From 4c93539b1929bfd3861b25c56caf77f7c03cb7ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20K=C3=A4hm?= <rafael.kaehm@dkd.de>
Date: Thu, 26 Oct 2023 22:36:14 +0200
Subject: [PATCH] [TASK] Fix PHP CS issues

---
 Classes/Domain/Result/Document/Collection.php |  15 +-
 Classes/Domain/Result/Document/Document.php   |  88 ++--
 .../Result/Document/Field/Collection.php      |   4 +-
 .../Domain/Result/Document/Field/Field.php    | 111 +++--
 Classes/Domain/Result/Explanation/Content.php |  33 +-
 .../Result/Explanation/ExplainResult.php      | 206 ++++----
 .../Result/Explanation/ExplainService.php     |  53 +-
 .../Domain/Result/Explanation/MetaData.php    |  89 ++--
 .../Result/Explanation/Nodes/Explain.php      | 456 +++++++++---------
 .../Domain/Result/Explanation/Nodes/Leaf.php  |  15 +-
 .../Domain/Result/Explanation/Nodes/Max.php   |  38 +-
 .../Result/Explanation/Nodes/Product.php      |  15 +-
 .../Domain/Result/Explanation/Nodes/Sum.php   |  12 +-
 Classes/Domain/Result/Explanation/Parser.php  | 371 +++++++-------
 .../Visitors/ExplainNodeVisitorInterface.php  |  12 +-
 .../Visitors/SummarizeFieldImpacts.php        |  99 ++--
 .../Visitors/SummarizeLeafImpacts.php         |  40 +-
 Classes/Domain/Result/Parser.php              | 421 ++++++++--------
 Classes/Domain/Result/Result.php              | 213 ++++----
 Classes/Domain/Result/Timing/Item.php         |  82 ++--
 .../Domain/Result/Timing/ItemCollection.php   |  39 +-
 Classes/Domain/Result/Timing/Timing.php       | 113 +++--
 Tests/Domain/AbstractSolrTestCase.php         |  41 +-
 .../AbstractExplanationTestCase.php           |  27 +-
 .../Explanation/ExplainServiceTestCase.php    |  35 +-
 .../Explanation/ExplanationSolr34TestCase.php | 202 ++++----
 .../Explanation/ExplanationSolr3TestCase.php  | 153 +++---
 .../Explanation/ExplanationSolr40TestCase.php |  37 +-
 .../Result/Explanation/Nodes/MaxTestCase.php  |  15 +-
 .../SummarizeFieldImpactsTestCase.php         | 187 ++++---
 .../Visitors/SummarizeLeafImpactsTestCase.php | 143 +++---
 Tests/Domain/Result/ParserTestCase.php        |  99 ++--
 Tests/Domain/Result/Timing/ItemTestCase.php   |  34 +-
 33 files changed, 1718 insertions(+), 1780 deletions(-)

diff --git a/Classes/Domain/Result/Document/Collection.php b/Classes/Domain/Result/Document/Collection.php
index 53b6230..ec7633d 100644
--- a/Classes/Domain/Result/Document/Collection.php
+++ b/Classes/Domain/Result/Document/Collection.php
@@ -6,13 +6,12 @@
 
 class Collection extends ArrayObject
 {
-
-	/**
-	 * @param $offset
-	 * @return Document
-	 */
-	public function getDocument($offset): Document
+    /**
+     * @param $offset
+     * @return Document
+     */
+    public function getDocument($offset): Document
     {
-		return $this->offsetGet($offset);
-	}
+        return $this->offsetGet($offset);
+    }
 }
diff --git a/Classes/Domain/Result/Document/Document.php b/Classes/Domain/Result/Document/Document.php
index ddd9078..92623ea 100644
--- a/Classes/Domain/Result/Document/Document.php
+++ b/Classes/Domain/Result/Document/Document.php
@@ -7,63 +7,59 @@
 
 class Document
 {
+    /**
+     * @var Collection
+     */
+    protected $fieldCollection;
 
-	/**
-	 * @var Collection
-	 */
-	protected $fieldCollection;
+    /**
+     * @var string
+     */
+    protected $rawExplainData;
 
-	/**
-	 * @var string
-	 */
-	protected $rawExplainData;
-
-	/**
-	 * @return void
-	 */
-	public function __construct()
+    public function __construct()
     {
-		$this->fieldCollection = new Collection();
-	}
+        $this->fieldCollection = new Collection();
+    }
 
-	/**
-	 * @param Field $field
-	 */
-	public function addField(Field $field)
+    /**
+     * @param Field $field
+     */
+    public function addField(Field $field)
     {
-		$this->fieldCollection->offsetSet($field->getName(),$field);
-	}
+        $this->fieldCollection->offsetSet($field->getName(), $field);
+    }
 
-	/**
-	 * @return Collection
-	 */
-	public function getFields(): Collection
+    /**
+     * @return Collection
+     */
+    public function getFields(): Collection
     {
-		return $this->fieldCollection;
-	}
+        return $this->fieldCollection;
+    }
 
-	/**
-	 * @param string
-	 * @return Field
-	 */
-	public function getFieldByName(string $fieldName): Field
+    /**
+     * @param string
+     * @return Field
+     */
+    public function getFieldByName(string $fieldName): Field
     {
-		return $this->fieldCollection->offsetGet($fieldName);
-	}
+        return $this->fieldCollection->offsetGet($fieldName);
+    }
 
-	/**
-	 * @param string $rawExplainData
-	 */
-	public function setRawExplainData(string $rawExplainData)
+    /**
+     * @param string $rawExplainData
+     */
+    public function setRawExplainData(string $rawExplainData)
     {
-		$this->rawExplainData = $rawExplainData;
-	}
+        $this->rawExplainData = $rawExplainData;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getRawExplainData(): string
+    /**
+     * @return string
+     */
+    public function getRawExplainData(): string
     {
-		return $this->rawExplainData;
-	}
+        return $this->rawExplainData;
+    }
 }
diff --git a/Classes/Domain/Result/Document/Field/Collection.php b/Classes/Domain/Result/Document/Field/Collection.php
index 76da759..96e20dc 100644
--- a/Classes/Domain/Result/Document/Field/Collection.php
+++ b/Classes/Domain/Result/Document/Field/Collection.php
@@ -4,6 +4,4 @@
 
 use ArrayObject;
 
-class Collection extends ArrayObject
-{
-}
+class Collection extends ArrayObject {}
diff --git a/Classes/Domain/Result/Document/Field/Field.php b/Classes/Domain/Result/Document/Field/Field.php
index b53f734..e9d5bb4 100644
--- a/Classes/Domain/Result/Document/Field/Field.php
+++ b/Classes/Domain/Result/Document/Field/Field.php
@@ -4,75 +4,74 @@
 
 class Field
 {
+    /**
+     * @var string
+     */
+    protected $name;
 
-	/**
-	 * @var string
-	 */
-	protected $name;
+    /**
+     * @var mixed
+     */
+    protected $value;
 
-	/**
-	 * @var mixed
-	 */
-	protected $value;
+    /**
+     * @var int
+     */
+    protected $type;
 
-	/**
-	 * @var int
-	 */
-	protected $type;
-
-	/**
-	 * @param string $name
-	 */
-	public function setName(string $name)
+    /**
+     * @param string $name
+     */
+    public function setName(string $name)
     {
-		$this->name = $name;
-	}
+        $this->name = $name;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getName(): string
+    /**
+     * @return string
+     */
+    public function getName(): string
     {
-		return $this->name;
-	}
+        return $this->name;
+    }
 
-	/**
-	 * @param int $type
-	 */
-	public function setType(int $type)
+    /**
+     * @param int $type
+     */
+    public function setType(int $type)
     {
-		$this->type = $type;
-	}
+        $this->type = $type;
+    }
 
-	/**
-	 * @return int
-	 */
-	public function getType(): int
+    /**
+     * @return int
+     */
+    public function getType(): int
     {
-		return $this->type;
-	}
+        return $this->type;
+    }
 
-	/**
-	 * @param mixed $value
-	 */
-	public function setValue($value)
+    /**
+     * @param mixed $value
+     */
+    public function setValue($value)
     {
-		$this->value = $value;
-	}
+        $this->value = $value;
+    }
 
-	/**
-	 * @return mixed
-	 */
-	public function getValue()
+    /**
+     * @return mixed
+     */
+    public function getValue()
     {
-		return $this->value;
-	}
+        return $this->value;
+    }
 
-	/**
-	 * @boolean
-	 */
-	public function isMultiValue(): bool
+    /**
+     * @boolean
+     */
+    public function isMultiValue(): bool
     {
-		return is_array($this->value);
-	}
-}
\ No newline at end of file
+        return is_array($this->value);
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/Content.php b/Classes/Domain/Result/Explanation/Content.php
index 0f7e55a..2f19b4c 100644
--- a/Classes/Domain/Result/Explanation/Content.php
+++ b/Classes/Domain/Result/Explanation/Content.php
@@ -21,25 +21,24 @@
  */
 class Content
 {
+    /**
+     * @var string
+     */
+    protected $content;
 
-	/**
-	 * @var string
-	 */
-	protected $content;
-
-	/**
-	 * @param string $content
-	 */
-	public function __construct(string $content)
+    /**
+     * @param string $content
+     */
+    public function __construct(string $content)
     {
-		$this->content = $content;
-	}
+        $this->content = $content;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getContent(): string
+    /**
+     * @return string
+     */
+    public function getContent(): string
     {
-		return $this->content;
-	}
+        return $this->content;
+    }
 }
diff --git a/Classes/Domain/Result/Explanation/ExplainResult.php b/Classes/Domain/Result/Explanation/ExplainResult.php
index f1880a1..d4d3d3c 100644
--- a/Classes/Domain/Result/Explanation/ExplainResult.php
+++ b/Classes/Domain/Result/Explanation/ExplainResult.php
@@ -17,121 +17,117 @@
  */
 class ExplainResult
 {
-
-	/**
-	 * Id of the relevant document.
-	 *
-	 * @var string
-	 */
-	protected $documentId = '';
-
-	/**
-	 * @var ArrayObject
-	 */
-	protected $children = null;
-
-	/**
-	 * @var Explain
-	 */
-	protected $rootNode = null;
-
-	/**
-	 * @var ArrayObject
-	 */
-	protected $attributes = null;
-
-	/**
-	 * @return void
-	 */
-	public function __construct()
+    /**
+     * Id of the relevant document.
+     *
+     * @var string
+     */
+    protected $documentId = '';
+
+    /**
+     * @var ArrayObject
+     */
+    protected $children;
+
+    /**
+     * @var Explain
+     */
+    protected $rootNode;
+
+    /**
+     * @var ArrayObject
+     */
+    protected $attributes;
+
+    public function __construct()
     {
-		$this->attributes = new ArrayObject();
-	}
+        $this->attributes = new ArrayObject();
+    }
 
-	/**
-	 * @param ArrayObject $children
-	 */
-	public function setChildren(ArrayObject $children)
+    /**
+     * @param ArrayObject $children
+     */
+    public function setChildren(ArrayObject $children)
     {
-		$this->children = $children;
-	}
+        $this->children = $children;
+    }
 
-	/**
-	 * @return ArrayObject<ExplainNode>
-	 */
-	public function getChildren(): ?ArrayObject
+    /**
+     * @return ArrayObject<ExplainNode>
+     */
+    public function getChildren(): ?ArrayObject
     {
-		return $this->children;
-	}
-
-	/**
-	 * @param $index
-	 * @return Explain
-	 */
-	public function getChild($index): Explain
+        return $this->children;
+    }
+
+    /**
+     * @param $index
+     * @return Explain
+     */
+    public function getChild($index): Explain
     {
-		return $this->children[$index];
-	}
+        return $this->children[$index];
+    }
 
-	/**
-	 * @param Explain $rootNode
-	 */
-	public function setRootNode(Explain $rootNode)
+    /**
+     * @param Explain $rootNode
+     */
+    public function setRootNode(Explain $rootNode)
     {
-		$this->rootNode = $rootNode;
-	}
-
-	/**
-	 * Method to retrieve the root node of the explain.
-	 *
-	 * @return Explain
-	 */
-	public function getRootNode(): ?Explain
+        $this->rootNode = $rootNode;
+    }
+
+    /**
+     * Method to retrieve the root node of the explain.
+     *
+     * @return Explain
+     */
+    public function getRootNode(): ?Explain
     {
-		return $this->rootNode;
-	}
-
-	/**
-	 * Method to set the corresponding document id.
-	 *
-	 * @param string $documentId
-	 */
-	public function setDocumentId(string $documentId)
+        return $this->rootNode;
+    }
+
+    /**
+     * Method to set the corresponding document id.
+     *
+     * @param string $documentId
+     */
+    public function setDocumentId(string $documentId)
     {
-		$this->documentId = $documentId;
-	}
-
-	/**
-	 * Document id where this explanation belongs to.
-	 *
-	 * @return string
-	 */
-	public function getDocumentId(): string
+        $this->documentId = $documentId;
+    }
+
+    /**
+     * Document id where this explanation belongs to.
+     *
+     * @return string
+     */
+    public function getDocumentId(): string
     {
-		return $this->documentId;
-	}
-
-	/**
-	 * Method to set a single attribute
-	 *
-	 * Eg: :query
-	 *
-	 * @param string $key
-	 * @param mixed $value
-	 */
-	public function setAttribute(string $key, $value)
+        return $this->documentId;
+    }
+
+    /**
+     * Method to set a single attribute
+     *
+     * Eg: :query
+     *
+     * @param string $key
+     * @param mixed $value
+     */
+    public function setAttribute(string $key, $value)
     {
-		$this->attributes->offsetSet($key,$value);
-	}
-
-	/**
-	 * Return the value for a single attribute.
-	 *
-	 * @param string $key
-	 * @return mixed
-	 */
-	public function getAttribute(string $key)
+        $this->attributes->offsetSet($key, $value);
+    }
+
+    /**
+     * Return the value for a single attribute.
+     *
+     * @param string $key
+     * @return mixed
+     */
+    public function getAttribute(string $key)
     {
-		return $this->attributes->offsetGet($key);
-	}
-}
\ No newline at end of file
+        return $this->attributes->offsetGet($key);
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/ExplainService.php b/Classes/Domain/Result/Explanation/ExplainService.php
index d7c5969..30881cf 100644
--- a/Classes/Domain/Result/Explanation/ExplainService.php
+++ b/Classes/Domain/Result/Explanation/ExplainService.php
@@ -9,35 +9,34 @@
  */
 class ExplainService
 {
-
-	/**
-	 * @param string $explainContent
-	 * @param string $documentId
-	 * @param string $mode
-	 * @return ExplainResult
-	 */
-	public static function getExplainFromRawContent(string $explainContent, string $documentId, string $mode): ExplainResult
+    /**
+     * @param string $explainContent
+     * @param string $documentId
+     * @param string $mode
+     * @return ExplainResult
+     */
+    public static function getExplainFromRawContent(string $explainContent, string $documentId, string $mode): ExplainResult
     {
-		$content 	= new Content($explainContent);
-		$metaData 	= new MetaData($documentId, $mode);
-		$parser 	= new Parser();
-		$parser->injectExplainResult(new ExplainResult());
+        $content 	= new Content($explainContent);
+        $metaData 	= new MetaData($documentId, $mode);
+        $parser 	= new Parser();
+        $parser->injectExplainResult(new ExplainResult());
 
-		return $parser->parse($content,$metaData);
-	}
+        return $parser->parse($content, $metaData);
+    }
 
-	/**
-	 * @param string $explainContent
-	 * @param string $documentId
-	 * @param string $mode
-	 * @return float[]
-	 */
-	public static function getFieldImpactsFromRawContent(string $explainContent, string $documentId, string $mode): array
+    /**
+     * @param string $explainContent
+     * @param string $documentId
+     * @param string $mode
+     * @return float[]
+     */
+    public static function getFieldImpactsFromRawContent(string $explainContent, string $documentId, string $mode): array
     {
-		$explain 	= self::getExplainFromRawContent($explainContent, $documentId, $mode);
-		$fieldImpactVisitor = new SummarizeFieldImpacts();
-		$explain->getRootNode()->visitNodes($fieldImpactVisitor);
+        $explain 	= self::getExplainFromRawContent($explainContent, $documentId, $mode);
+        $fieldImpactVisitor = new SummarizeFieldImpacts();
+        $explain->getRootNode()->visitNodes($fieldImpactVisitor);
 
-		return $fieldImpactVisitor->getFieldImpacts();
-	}
-}
\ No newline at end of file
+        return $fieldImpactVisitor->getFieldImpacts();
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/MetaData.php b/Classes/Domain/Result/Explanation/MetaData.php
index 64c85da..9ad0dd3 100644
--- a/Classes/Domain/Result/Explanation/MetaData.php
+++ b/Classes/Domain/Result/Explanation/MetaData.php
@@ -8,56 +8,55 @@
  */
 class MetaData
 {
-
-	/**
-	 * @var string
-	 */
-	protected $documentId = '';
-
-	/**
-	 * @var string
-	 */
-	protected $mode = '';
-
-	/**
-	 * @param string $documentId
-	 * @param string $mode
-	 */
-	public function __construct(string $documentId, string $mode)
+    /**
+     * @var string
+     */
+    protected $documentId = '';
+
+    /**
+     * @var string
+     */
+    protected $mode = '';
+
+    /**
+     * @param string $documentId
+     * @param string $mode
+     */
+    public function __construct(string $documentId, string $mode)
     {
-		$this->setDocumentId($documentId);
-		$this->setMode($mode);
-	}
-
-	/**
-	 * @param string $documentId
-	 */
-	public function setDocumentId(string $documentId)
+        $this->setDocumentId($documentId);
+        $this->setMode($mode);
+    }
+
+    /**
+     * @param string $documentId
+     */
+    public function setDocumentId(string $documentId)
     {
-		$this->documentId = $documentId;
-	}
+        $this->documentId = $documentId;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getDocumentId(): string
+    /**
+     * @return string
+     */
+    public function getDocumentId(): string
     {
-		return $this->documentId;
-	}
+        return $this->documentId;
+    }
 
-	/**
-	 * @param string $mode
-	 */
-	public function setMode(string $mode)
+    /**
+     * @param string $mode
+     */
+    public function setMode(string $mode)
     {
-		$this->mode = $mode;
-	}
+        $this->mode = $mode;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getMode(): string
+    /**
+     * @return string
+     */
+    public function getMode(): string
     {
-		return $this->mode;
-	}
-}
\ No newline at end of file
+        return $this->mode;
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/Nodes/Explain.php b/Classes/Domain/Result/Explanation/Nodes/Explain.php
index dd02ccf..ed2c159 100644
--- a/Classes/Domain/Result/Explanation/Nodes/Explain.php
+++ b/Classes/Domain/Result/Explanation/Nodes/Explain.php
@@ -10,287 +10,279 @@
  */
 class Explain
 {
+    /**
+     * Different types of nodes that need to be handled different during calculation
+     */
+    public const NODE_TYPE_SUM = 1;
+    public const NODE_TYPE_MAX = 2;
+    public const NODE_TYPE_PRODUCT = 4;
+    public const NODE_TYPE_LEAF = 8;
+
+    /**
+     * @var int
+     */
+    protected $level = 0;
+
+    /**
+     * @var string
+     */
+    protected $content = '';
+
+    /**
+     * @var float
+     */
+    protected $score = 0.0;
+
+    /**
+     * @var ArrayObject
+     */
+    protected $children;
+
+    /**
+     * @var Explain
+     */
+    protected $parent;
+
+    /**
+     * @var int
+     */
+    protected $nodeType = -1;
 
-	/**
-	 * Different types of nodes that need to be handled different during calculation
-	 */
-	const NODE_TYPE_SUM = 1;
-	const NODE_TYPE_MAX = 2;
-	const NODE_TYPE_PRODUCT = 4;
-	const NODE_TYPE_LEAF = 8;
-
-	/**
-	 * @var int
-	 */
-	protected $level = 0;
-
-	/**
-	 * @var string
-	 */
-	protected $content = '';
-
-	/**
-	 * @var float
-	 */
-	protected $score = 0.0;
-
-	/**
-	 * @var ArrayObject
-	 */
-	protected $children = null;
-
-	/**
-	 * @var Explain
-	 */
-	protected $parent = null;
-
-	/**
-	 * @var int
-	 */
-	protected $nodeType = -1;
-
-	/**
-	 * @var string
-	 */
-	protected $fieldName = '*';
-
-	/**
-	 * @return void
-	 */
-	public function __construct()
+    /**
+     * @var string
+     */
+    protected $fieldName = '*';
+
+    public function __construct()
     {
-		$this->children = new ArrayObject();
-	}
+        $this->children = new ArrayObject();
+    }
 
     /**
      * @return ?float|?int
      */
-	public function getAbsoluteImpactPercentage()
+    public function getAbsoluteImpactPercentage()
     {
-		if($this->level == 0) {
-			return 100.0;
-		}
+        if ($this->level == 0) {
+            return 100.0;
+        }
 
-        if($this->getParent()->getNodeType() == self::NODE_TYPE_SUM) {
+        if ($this->getParent()->getNodeType() == self::NODE_TYPE_SUM) {
             return $this->handleSumParent();
         }
-        if($this->getParent()->getNodeType() == self::NODE_TYPE_MAX) {
+        if ($this->getParent()->getNodeType() == self::NODE_TYPE_MAX) {
             return $this->handleMaxParent();
         }
-        if($this->getParent()->getNodeType() == self::NODE_TYPE_PRODUCT) {
+        if ($this->getParent()->getNodeType() == self::NODE_TYPE_PRODUCT) {
             return $this->handleProductParent();
         }
         return null;
-	}
+    }
 
-	/**
-	 * @return float
-	 */
-	protected function handleProductParent()
+    /**
+     * @return float
+     */
+    protected function handleProductParent()
     {
-		$neighbors = $this->getParent()->getChildren();
-
-		if ($neighbors->count() > 1) {
-			$neighborScorePart = [];
-			$parentPercentage = $this->getParent()->getAbsoluteImpactPercentage();
-
-			foreach ($neighbors as $neighbor) {
-				if ($neighbor != $this) {
-					$neighborScore = $neighbor->getScore();
-					$neighborScorePart[] = $neighborScore;
-				}
-			}
-
-			$scoreSum = array_sum($neighborScorePart) + $this->getScore();
-
-			$multiplier = 100 / $scoreSum;
-			$parentMultiplier = $parentPercentage / 100;
-			return $this->getScore() * $multiplier * $parentMultiplier;
-		} else {
-			//when only one leaf in product is present we can inherit the parent score
-			return $this->getParent()->getAbsoluteImpactPercentage();
-		}
-	}
-
-	/**
-	 * @return float
-	 */
-	protected function handleSumParent()
+        $neighbors = $this->getParent()->getChildren();
+
+        if ($neighbors->count() > 1) {
+            $neighborScorePart = [];
+            $parentPercentage = $this->getParent()->getAbsoluteImpactPercentage();
+
+            foreach ($neighbors as $neighbor) {
+                if ($neighbor != $this) {
+                    $neighborScore = $neighbor->getScore();
+                    $neighborScorePart[] = $neighborScore;
+                }
+            }
+
+            $scoreSum = array_sum($neighborScorePart) + $this->getScore();
+
+            $multiplier = 100 / $scoreSum;
+            $parentMultiplier = $parentPercentage / 100;
+            return $this->getScore() * $multiplier * $parentMultiplier;
+        }
+        //when only one leaf in product is present we can inherit the parent score
+        return $this->getParent()->getAbsoluteImpactPercentage();
+    }
+
+    /**
+     * @return float
+     */
+    protected function handleSumParent()
     {
-		$parentScore = $this->getParent()->getScore();
-		$parentPercentage = $this->getParent()->getAbsoluteImpactPercentage();
-
-		//part of this node relative to the parent
-		$scorePercentageToParent = (100 / $parentScore) * $this->getScore();
-		return ($parentPercentage / 100) * $scorePercentageToParent;
-	}
-
-	/**
-	 * @return float
-	 */
-	protected function handleMaxParent()
+        $parentScore = $this->getParent()->getScore();
+        $parentPercentage = $this->getParent()->getAbsoluteImpactPercentage();
+
+        //part of this node relative to the parent
+        $scorePercentageToParent = (100 / $parentScore) * $this->getScore();
+        return ($parentPercentage / 100) * $scorePercentageToParent;
+    }
+
+    /**
+     * @return float
+     */
+    protected function handleMaxParent()
     {
-		$neighbors = $this->getParent()->getChildren();
-		$tieBreaker = $this->getParent()->getTieBreaker();
-
-		$parentScore = $this->getParent()->getScore();
-		$parentScorePart = ($this->getScore() / $parentScore) * (100);
-		$parentScorePartPercentage = $this->getParent()->getAbsoluteImpactPercentage() / 100.0;
-
-		$isMaxNode = true;
-		foreach ($neighbors as $neighbor) {
-			if ($neighbor != $this && $neighbor->getScore() > $this->getScore()) {
-				$isMaxNode = false;
-				break;
-			}
-		}
-
-		if ($tieBreaker > 0) {
-			if ($isMaxNode) {
-				return $parentScorePart * $parentScorePartPercentage;
-			} else {
-				return $parentScorePart * $parentScorePartPercentage * $tieBreaker;
-			}
-		} else {
-			if ($isMaxNode) {
-				return $this->getParent()->getAbsoluteImpactPercentage();
-			} else {
-				return 0.0;
-			}
-		}
-	}
+        $neighbors = $this->getParent()->getChildren();
+        $tieBreaker = $this->getParent()->getTieBreaker();
+
+        $parentScore = $this->getParent()->getScore();
+        $parentScorePart = ($this->getScore() / $parentScore) * (100);
+        $parentScorePartPercentage = $this->getParent()->getAbsoluteImpactPercentage() / 100.0;
+
+        $isMaxNode = true;
+        foreach ($neighbors as $neighbor) {
+            if ($neighbor != $this && $neighbor->getScore() > $this->getScore()) {
+                $isMaxNode = false;
+                break;
+            }
+        }
+
+        if ($tieBreaker > 0) {
+            if ($isMaxNode) {
+                return $parentScorePart * $parentScorePartPercentage;
+            }
+            return $parentScorePart * $parentScorePartPercentage * $tieBreaker;
+        }
+        if ($isMaxNode) {
+            return $this->getParent()->getAbsoluteImpactPercentage();
+        }
+        return 0.0;
+    }
 
     /**
      * @param ?Explain $parent
      */
-	public function setParent(?Explain $parent)
+    public function setParent(?Explain $parent)
     {
-		$this->parent = $parent;
-	}
+        $this->parent = $parent;
+    }
 
-	/**
-	 * @return Explain
-	 */
-	public function getParent(): ?Explain
+    /**
+     * @return Explain
+     */
+    public function getParent(): ?Explain
     {
-		return $this->parent;
-	}
+        return $this->parent;
+    }
 
-	/**
-	 * @param string $content
-	 */
-	public function setContent(string $content)
+    /**
+     * @param string $content
+     */
+    public function setContent(string $content)
     {
-		$this->content = $content;
-	}
+        $this->content = $content;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getContent(): string
+    /**
+     * @return string
+     */
+    public function getContent(): string
     {
-		return $this->content;
-	}
+        return $this->content;
+    }
 
-	/**
-	 * @param int $level
-	 */
-	public function setLevel(int $level)
+    /**
+     * @param int $level
+     */
+    public function setLevel(int $level)
     {
-		$this->level = $level;
-	}
+        $this->level = $level;
+    }
 
-	/**
-	 * @param ArrayObject $children
-	 */
-	public function setChildren(ArrayObject $children)
+    /**
+     * @param ArrayObject $children
+     */
+    public function setChildren(ArrayObject $children)
     {
-		$this->children = $children;
-	}
+        $this->children = $children;
+    }
 
-	/**
-	 * @return ArrayObject
-	 */
-	public function getChildren(): ?ArrayObject
+    /**
+     * @return ArrayObject
+     */
+    public function getChildren(): ?ArrayObject
     {
-		return $this->children;
-	}
-
-	/**
-	 * @param $index
-	 * @return Explain
-	 */
-	public function getChild($index): Explain
+        return $this->children;
+    }
+
+    /**
+     * @param $index
+     * @return Explain
+     */
+    public function getChild($index): Explain
     {
-		return $this->children[$index];
-	}
+        return $this->children[$index];
+    }
 
-	/**
-	 * @return int
-	 */
-	public function getLevel(): int
+    /**
+     * @return int
+     */
+    public function getLevel(): int
     {
-		return $this->level;
-	}
+        return $this->level;
+    }
 
-	/**
-	 * @param float $score
-	 */
-	public function setScore(float $score)
+    /**
+     * @param float $score
+     */
+    public function setScore(float $score)
     {
-		$this->score = $score;
-	}
+        $this->score = $score;
+    }
 
-	/**
-	 * @return float
-	 */
-	public function getScore(): float
+    /**
+     * @return float
+     */
+    public function getScore(): float
     {
-		return $this->score;
-	}
+        return $this->score;
+    }
 
-	/**
-	 * @param int $nodeType
-	 */
-	protected function setNodeType(int $nodeType)
+    /**
+     * @param int $nodeType
+     */
+    protected function setNodeType(int $nodeType)
     {
-		$this->nodeType = $nodeType;
-	}
+        $this->nodeType = $nodeType;
+    }
 
-	/**
-	 * @return int
-	 */
-	public function getNodeType(): int
+    /**
+     * @return int
+     */
+    public function getNodeType(): int
     {
-		return $this->nodeType;
-	}
+        return $this->nodeType;
+    }
 
-	/**
-	 * @param string $fieldName
-	 */
-	public function setFieldName(string $fieldName)
+    /**
+     * @param string $fieldName
+     */
+    public function setFieldName(string $fieldName)
     {
-		$this->fieldName = $fieldName;
-	}
+        $this->fieldName = $fieldName;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getFieldName(): string
+    /**
+     * @return string
+     */
+    public function getFieldName(): string
     {
-		return $this->fieldName;
-	}
-
-	/**
-	 * This method can be used to traverse all child nodes.
-	 *
-	 * @param ExplainNodeVisitorInterface $visitor
-	 */
-	public function visitNodes(ExplainNodeVisitorInterface $visitor)
+        return $this->fieldName;
+    }
+
+    /**
+     * This method can be used to traverse all child nodes.
+     *
+     * @param ExplainNodeVisitorInterface $visitor
+     */
+    public function visitNodes(ExplainNodeVisitorInterface $visitor)
     {
-		$visitor->visit($this);
-		foreach($this->getChildren() as $child) {
-			$child->visitNodes($visitor);
-		}
-	}
-}
\ No newline at end of file
+        $visitor->visit($this);
+        foreach ($this->getChildren() as $child) {
+            $child->visitNodes($visitor);
+        }
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/Nodes/Leaf.php b/Classes/Domain/Result/Explanation/Nodes/Leaf.php
index eebaecf..bd4c697 100644
--- a/Classes/Domain/Result/Explanation/Nodes/Leaf.php
+++ b/Classes/Domain/Result/Explanation/Nodes/Leaf.php
@@ -4,14 +4,9 @@
 
 class Leaf extends Explain
 {
-
-	/**
-	 * @return void
-	 */
-	public function __construct()
+    public function __construct()
     {
-		parent::__construct();
-		$this->setNodeType(self::NODE_TYPE_LEAF);
-	}
-
-}
\ No newline at end of file
+        parent::__construct();
+        $this->setNodeType(self::NODE_TYPE_LEAF);
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/Nodes/Max.php b/Classes/Domain/Result/Explanation/Nodes/Max.php
index 52eacd9..a915b54 100644
--- a/Classes/Domain/Result/Explanation/Nodes/Max.php
+++ b/Classes/Domain/Result/Explanation/Nodes/Max.php
@@ -4,29 +4,23 @@
 
 class Max extends Explain
 {
-
-	/**
-	 * @return void
-	 */
-	public function __construct()
+    public function __construct()
     {
-		parent::__construct();
-		$this->setNodeType(self::NODE_TYPE_MAX);
-	}
+        parent::__construct();
+        $this->setNodeType(self::NODE_TYPE_MAX);
+    }
 
-	/**
-	 * @return float
-	 */
-	public function getTieBreaker()
+    /**
+     * @return float
+     */
+    public function getTieBreaker()
     {
+        $matches = [];
+        preg_match('~plus (?<tiebreaker>.*) times~', $this->getContent(), $matches);
+        if (isset($matches['tiebreaker'])) {
+            return $matches['tiebreaker'];
+        }
 
-		$matches = [];
-		preg_match('~plus (?<tiebreaker>.*) times~',$this->getContent(),$matches);
-		if(isset($matches['tiebreaker'])) {
-			return $matches['tiebreaker'];
-		}
-
-		return 0;
-	}
-
-}
\ No newline at end of file
+        return 0;
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/Nodes/Product.php b/Classes/Domain/Result/Explanation/Nodes/Product.php
index 612879c..2822a42 100644
--- a/Classes/Domain/Result/Explanation/Nodes/Product.php
+++ b/Classes/Domain/Result/Explanation/Nodes/Product.php
@@ -4,14 +4,9 @@
 
 class Product extends Explain
 {
-
-	/**
-	 * @return void
-	 */
-	public function __construct()
+    public function __construct()
     {
-		parent::__construct();
-		$this->setNodeType(self::NODE_TYPE_PRODUCT);
-	}
-
-}
\ No newline at end of file
+        parent::__construct();
+        $this->setNodeType(self::NODE_TYPE_PRODUCT);
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/Nodes/Sum.php b/Classes/Domain/Result/Explanation/Nodes/Sum.php
index 5001ef8..3f44a03 100644
--- a/Classes/Domain/Result/Explanation/Nodes/Sum.php
+++ b/Classes/Domain/Result/Explanation/Nodes/Sum.php
@@ -4,13 +4,9 @@
 
 class Sum extends Explain
 {
-
-	/**
-	 * @return void
-	 */
-	public function __construct()
+    public function __construct()
     {
-		parent::__construct();
-		$this->setNodeType(self::NODE_TYPE_SUM);
-	}
+        parent::__construct();
+        $this->setNodeType(self::NODE_TYPE_SUM);
+    }
 }
diff --git a/Classes/Domain/Result/Explanation/Parser.php b/Classes/Domain/Result/Explanation/Parser.php
index 4203aec..69d3625 100644
--- a/Classes/Domain/Result/Explanation/Parser.php
+++ b/Classes/Domain/Result/Explanation/Parser.php
@@ -14,38 +14,36 @@
  */
 class Parser
 {
+    /**
+     * @var ExplainResult
+     */
+    protected $explain;
 
-	/**
-	 * @var ExplainResult
-	 */
-	protected $explain;
-
-	/**
-	 * @param ExplainResult $explain
-	 */
-	public function injectExplainResult(ExplainResult $explain)
+    /**
+     * @param ExplainResult $explain
+     */
+    public function injectExplainResult(ExplainResult $explain)
     {
-		$this->explain = $explain;
-	}
-
-	/**
-	 * Invokes the parsing of the raw content and returns the root node.
-	 *
-	 * @param string
-	 * @return  Explain
-	 */
-	protected function getRootNode($content): Explain
+        $this->explain = $explain;
+    }
+
+    /**
+     * Invokes the parsing of the raw content and returns the root node.
+     *
+     * @param string
+     * @return  Explain
+     */
+    protected function getRootNode($content): Explain
     {
-		$tokens = new ArrayObject();
-		$this->parseChildNodes($content,$tokens);
+        $tokens = new ArrayObject();
+        $this->parseChildNodes($content, $tokens);
 
-		if(isset($tokens[0])) {
-			return $tokens[0];
-		} else {
-			//error in parsing return a new empty dummy node
-			return new Explain();
-		}
-	}
+        if (isset($tokens[0])) {
+            return $tokens[0];
+        }
+        //error in parsing return a new empty dummy node
+        return new Explain();
+    }
 
     /**
      * This method is used to parse the node type from the content and retrieve the
@@ -54,23 +52,23 @@ protected function getRootNode($content): Explain
      * @param string $tokenName
      * @return Leaf|Max|Product|Sum
      */
-	protected function getNodeFromName(string $tokenName): Explain
+    protected function getNodeFromName(string $tokenName): Explain
     {
-		if(mb_strpos($tokenName,'sum of:') !== false || mb_strpos($tokenName,'result of:') !== false)  {
-			return new Sum();
-		}
+        if (mb_strpos($tokenName, 'sum of:') !== false || mb_strpos($tokenName, 'result of:') !== false) {
+            return new Sum();
+        }
 
-		if(mb_strpos($tokenName,'product of:') !== false) {
-			return new Product();
-		}
+        if (mb_strpos($tokenName, 'product of:') !== false) {
+            return new Product();
+        }
 
-		if(mb_strpos($tokenName,'max') !== false && mb_strpos($tokenName,'of:')) {
-			return new Max();
-		}
+        if (mb_strpos($tokenName, 'max') !== false && mb_strpos($tokenName, 'of:')) {
+            return new Max();
+        }
 
-			//when nothing else matched we have a leaf node
-		return new Leaf();
-	}
+        //when nothing else matched we have a leaf node
+        return new Leaf();
+    }
 
     /**
      * Recursive method to parse the explain content into a child node structure.
@@ -80,149 +78,152 @@ protected function getNodeFromName(string $tokenName): Explain
      * @param Explain|null $parent
      * @param int $level
      */
-	protected function parseChildNodes(string $contextContent, ArrayObject $collection, Explain $parent = null, int $level = 0)
+    protected function parseChildNodes(string $contextContent, ArrayObject $collection, Explain $parent = null, int $level = 0)
+    {
+        $matches = [];
+
+        //look for tokens stating with 0-9* and get all following lines stating with " " space
+        preg_match_all('~((?<=^)|(?<=\n))(?<token>[0-9].*?\n)((?=[0-9])|(?=$))~s', $contextContent, $matches);
+
+        if (array_key_exists('token', $matches)) {
+            foreach ($matches['token'] as $tokenKey => $tokenContent) {
+                $nodeParts		= explode(PHP_EOL, $tokenContent);
+                $nodeContent	= trim(array_shift($nodeParts));
+                $node			= $this->getNodeFromName($nodeContent);
+                $score 			= $this->getScoreFromContent($nodeContent);
+                $nodeFieldName 	= $this->getFieldNameFromNodeName($nodeContent);
+
+                $node->setContent($nodeContent);
+                $node->setParent($parent);
+                $node->setScore($score);
+                $node->setLevel($level);
+                $node->setFieldName($nodeFieldName);
+                $collection->append($node);
+
+                $nextLevelContent = $this->removeLeadingSpacesFromNextLevelContent($nodeParts);
+
+                if (trim($nextLevelContent) != '') {
+                    $level++;
+                    //walk recursive through the input
+                    $this->parseChildNodes($nextLevelContent, $node->getChildren(), $node, $level);
+                }
+            }
+        }
+    }
+
+    /**
+     * @param $tokenParts
+     * @return string
+     */
+    protected function removeLeadingSpacesFromNextLevelContent($tokenParts)
+    {
+        $nextLevelContent = '';
+        if (count($tokenParts)) {
+            $preparedTokens = preg_replace('~^  ~ims', '', $tokenParts);
+            $nextLevelContent = implode(PHP_EOL, $preparedTokens);
+            return trim($nextLevelContent) . PHP_EOL;
+        }
+        return $nextLevelContent;
+    }
+
+    /**
+     * Extracts the score from a token name.
+     *
+     * Input eg: 3.8332133 = idf(docFreq=0, maxDocs=17)
+     * Output eg: 3.8332133
+     *
+     * @param string $nodeName
+     * @return float
+     */
+    protected function getScoreFromContent($nodeName)
+    {
+        $score = 0.0;
+        $scoreMatches 	= [];
+        preg_match('~(?<score>[0-9]*\.[^ ]*)~', $nodeName, $scoreMatches);
+        if (isset($scoreMatches['score']) && (float)$scoreMatches['score'] > 0) {
+            $score = (float)$scoreMatches['score'];
+        }
+
+        return $score;
+    }
+
+    /**
+     * @param $content
+     * @return string
+     */
+    protected function getQueryAttribute($content)
+    {
+        $querystring = '';
+        $matches = [];
+        preg_match("~^#(?<attributes>[^\n]*)~ism", $content, $matches);
+
+        if (isset($matches['attributes'])) {
+            $attributes 		= $matches['attributes'];
+            $attributeMatches 	= [];
+            preg_match('~.*q=(?<querystring>[^&]*)~ism', $attributes, $attributeMatches);
+            if (isset($attributeMatches['querystring'])) {
+                $querystring = $attributeMatches['querystring'];
+                //convert boostvalues without decimals to boost value with
+                //decimal eg: foo^20 => foo^20.0
+                $querystring = preg_replace('~\^([0-9^.]+)~i', '^$1.0', $querystring);
+            }
+        }
+
+        return $querystring;
+    }
+
+    /**
+     * @param $nodeName
+     */
+    protected function getFieldNameFromNodeName($nodeName)
     {
-		$matches = [];
-
-		//look for tokens stating with 0-9* and get all following lines stating with " " space
-		preg_match_all('~((?<=^)|(?<=\n))(?<token>[0-9].*?\n)((?=[0-9])|(?=$))~s', $contextContent,$matches);
-
-		if( array_key_exists('token',$matches)) {
-
-			foreach($matches['token'] as $tokenKey => $tokenContent) {
-				$nodeParts		= explode(PHP_EOL,$tokenContent);
-				$nodeContent	= trim(array_shift($nodeParts));
-				$node			= $this->getNodeFromName($nodeContent);
-				$score 			= $this->getScoreFromContent($nodeContent);
-				$nodeFieldName 	= $this->getFieldNameFromNodeName($nodeContent);
-
-				$node->setContent($nodeContent);
-				$node->setParent($parent);
-				$node->setScore($score);
-				$node->setLevel($level);
-				$node->setFieldName($nodeFieldName);
-				$collection->append($node);
-
-				$nextLevelContent = $this->removeLeadingSpacesFromNextLevelContent($nodeParts);
-
-				if(trim($nextLevelContent) != '') {
-					$level++;
-						//walk recursive through the input
-					$this->parseChildNodes($nextLevelContent,$node->getChildren(),$node,$level);
-				}
-			}
-		}
-	}
-
-	/**
-	 * @param $tokenParts
-	 * @return string
-	 */
-	protected function removeLeadingSpacesFromNextLevelContent($tokenParts) {
-		$nextLevelContent = '';
-		if (count($tokenParts)) {
-			$preparedTokens = preg_replace('~^  ~ims', '', $tokenParts);
-			$nextLevelContent = implode(PHP_EOL, $preparedTokens);
-			return trim($nextLevelContent).PHP_EOL;
-		}
-		return $nextLevelContent;
-	}
-
-	/**
-	 * Extracts the score from a token name.
-	 *
-	 * Input eg: 3.8332133 = idf(docFreq=0, maxDocs=17)
-	 * Output eg: 3.8332133
-	 *
-	 * @param string $nodeName
-	 * @return float
-	 */
-	protected function getScoreFromContent($nodeName) {
-		$score = 0.0;
-		$scoreMatches 	= [];
-		preg_match('~(?<score>[0-9]*\.[^ ]*)~',$nodeName,$scoreMatches);
-		if(isset($scoreMatches['score']) && (float) $scoreMatches['score'] > 0) {
-			$score = (float) $scoreMatches['score'];
-		}
-
-		return $score;
-	}
-
-	/**
-	 * @param $content
-	 * @return string
-	 */
-	protected function getQueryAttribute($content) {
-		$querystring = '';
-		$matches = [];
-		preg_match("~^#(?<attributes>[^\n]*)~ism", $content, $matches);
-
-		if(isset($matches['attributes'])) {
-			$attributes 		= $matches['attributes'];
-			$attributeMatches 	= [];
-			preg_match('~.*q=(?<querystring>[^&]*)~ism',$attributes,$attributeMatches);
-			if(isset($attributeMatches['querystring'])) {
-				$querystring = $attributeMatches['querystring'];
-					//convert boostvalues without decimals to boost value with
-					//decimal eg: foo^20 => foo^20.0
-				$querystring = preg_replace('~\^([0-9^.]+)~i','^$1.0',$querystring);
-			}
-		}
-
-		return $querystring;
-	}
-
-	/**
-	 * @param $nodeName
-	 */
-	protected function getFieldNameFromNodeName($nodeName) {
-		$result 	= '';
-		$matches 	= [];
-        if (mb_strpos($nodeName,'weight(Synonym(') !== false ) {
+        $result 	= '';
+        $matches 	= [];
+        if (mb_strpos($nodeName, 'weight(Synonym(') !== false) {
             preg_match('~weight\(Synonym\((?<fieldname>[^\):]*)~', $nodeName, $matches);
-        } elseif(mb_strpos($nodeName,'weight(') !== false ){
-			preg_match('~weight\((?<fieldname>[^\):]*)~', $nodeName, $matches);
-		} elseif (mb_strpos($nodeName, 'queryWeight(') !== false ) {
-			preg_match('~queryWeight\((?<fieldname>[^\):]*)~', $nodeName, $matches);
-		} elseif (mb_strpos($nodeName,'fieldWeight(') !== false ) {
-			preg_match('~fieldWeight\((?<fieldname>[^\):]*)~', $nodeName, $matches);
-        }  elseif (mb_strpos($nodeName, 'FunctionQuery(') !== false ) {
-			preg_match('~FunctionQuery\([^\(]*\((?<fieldname>[^\):]*)~', $nodeName, $matches);
-
-				//check if it is a nested function query an get inner fieldname
-			$lastBracketPos = mb_strpos($matches['fieldname'],'(');
-			if($lastBracketPos !== false) {
-				$fieldMatch = mb_substr($matches['fieldname'], $lastBracketPos+1, mb_strlen($matches['fieldname']));
-				if(!is_numeric($fieldMatch)) {
-					$matches['fieldname'] = $fieldMatch;
-				}
-			}
-		}
-
-		if(isset($matches['fieldname'])) {
-			$result = $matches['fieldname'];
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Parses the explain content to an explain object wit child nodes.
-	 *
-	 * @return ExplainResult
-	 */
-	public function parse(Content $content, MetaData $metaData) {
-
-		$rawContent = $content->getContent();
-		$rootNode = $this->getRootNode($rawContent.PHP_EOL);
-		$this->explain->setRootNode($rootNode);
-
-		$children = $rootNode->getChildren();
-		$this->explain->setChildren($children);
-
-		$this->explain->setDocumentId($metaData->getDocumentId());
-		$this->explain->setAttribute(':query',$this->getQueryAttribute($rawContent));
-
-		return $this->explain;
-	}
-}
\ No newline at end of file
+        } elseif (mb_strpos($nodeName, 'weight(') !== false) {
+            preg_match('~weight\((?<fieldname>[^\):]*)~', $nodeName, $matches);
+        } elseif (mb_strpos($nodeName, 'queryWeight(') !== false) {
+            preg_match('~queryWeight\((?<fieldname>[^\):]*)~', $nodeName, $matches);
+        } elseif (mb_strpos($nodeName, 'fieldWeight(') !== false) {
+            preg_match('~fieldWeight\((?<fieldname>[^\):]*)~', $nodeName, $matches);
+        } elseif (mb_strpos($nodeName, 'FunctionQuery(') !== false) {
+            preg_match('~FunctionQuery\([^\(]*\((?<fieldname>[^\):]*)~', $nodeName, $matches);
+
+            //check if it is a nested function query an get inner fieldname
+            $lastBracketPos = mb_strpos($matches['fieldname'], '(');
+            if ($lastBracketPos !== false) {
+                $fieldMatch = mb_substr($matches['fieldname'], $lastBracketPos + 1, mb_strlen($matches['fieldname']));
+                if (!is_numeric($fieldMatch)) {
+                    $matches['fieldname'] = $fieldMatch;
+                }
+            }
+        }
+
+        if (isset($matches['fieldname'])) {
+            $result = $matches['fieldname'];
+        }
+
+        return $result;
+    }
+
+    /**
+     * Parses the explain content to an explain object wit child nodes.
+     *
+     * @return ExplainResult
+     */
+    public function parse(Content $content, MetaData $metaData)
+    {
+        $rawContent = $content->getContent();
+        $rootNode = $this->getRootNode($rawContent . PHP_EOL);
+        $this->explain->setRootNode($rootNode);
+
+        $children = $rootNode->getChildren();
+        $this->explain->setChildren($children);
+
+        $this->explain->setDocumentId($metaData->getDocumentId());
+        $this->explain->setAttribute(':query', $this->getQueryAttribute($rawContent));
+
+        return $this->explain;
+    }
+}
diff --git a/Classes/Domain/Result/Explanation/Visitors/ExplainNodeVisitorInterface.php b/Classes/Domain/Result/Explanation/Visitors/ExplainNodeVisitorInterface.php
index 950fd67..1deb06a 100644
--- a/Classes/Domain/Result/Explanation/Visitors/ExplainNodeVisitorInterface.php
+++ b/Classes/Domain/Result/Explanation/Visitors/ExplainNodeVisitorInterface.php
@@ -7,13 +7,11 @@
 /**
  * Visitor interface, needs to be implemented by a node visitor.
  */
-
 interface ExplainNodeVisitorInterface
 {
-
-	/**
-	 * @param Explain $node
-	 * @return mixed
-	 */
-	public function visit(Explain $node);
+    /**
+     * @param Explain $node
+     * @return mixed
+     */
+    public function visit(Explain $node);
 }
diff --git a/Classes/Domain/Result/Explanation/Visitors/SummarizeFieldImpacts.php b/Classes/Domain/Result/Explanation/Visitors/SummarizeFieldImpacts.php
index b611a1c..bd65cb4 100644
--- a/Classes/Domain/Result/Explanation/Visitors/SummarizeFieldImpacts.php
+++ b/Classes/Domain/Result/Explanation/Visitors/SummarizeFieldImpacts.php
@@ -10,34 +10,31 @@
  */
 class SummarizeFieldImpacts implements ExplainNodeVisitorInterface
 {
+    /**
+     * @var float[]
+     */
+    protected $sums = [];
 
-	/**
-	 * @var float[]
-	 */
-	protected $sums = [];
-
-	/**
-	 * @param Explain $node
-	 * @return void
-	 */
-	public function visit(Explain $node)
+    /**
+     * @param Explain $node
+     */
+    public function visit(Explain $node)
     {
-		if($node->getNodeType() == $node::NODE_TYPE_LEAF) {
-			if($node->getParent() != null) {
-				$fieldName = $this->getClosestFieldName($node);
-                if(trim($fieldName) === '') {
+        if ($node->getNodeType() == $node::NODE_TYPE_LEAF) {
+            if ($node->getParent() != null) {
+                $fieldName = $this->getClosestFieldName($node);
+                if (trim($fieldName) === '') {
                     return;
                 }
 
-				if(!isset($this->sums[$fieldName])) {
-					$this->sums[$fieldName] = 0;
-				}
-
-				$this->sums[$fieldName] += $node->getAbsoluteImpactPercentage();
+                if (!isset($this->sums[$fieldName])) {
+                    $this->sums[$fieldName] = 0;
+                }
 
-			}
-		}
-	}
+                $this->sums[$fieldName] += $node->getAbsoluteImpactPercentage();
+            }
+        }
+    }
 
     /**
      * Returns the closest fieldname in the parent root line and and empty string when none is present.
@@ -45,9 +42,9 @@ public function visit(Explain $node)
      * @param $node
      * @return string
      */
-	protected function getClosestFieldName($node): string
+    protected function getClosestFieldName($node): string
     {
-        while(!is_null($node->getParent())) {
+        while (!is_null($node->getParent())) {
             $parent = $node->getParent();
             if ($parent->getFieldName() !== '') {
                 return $parent->getFieldName();
@@ -59,38 +56,38 @@ protected function getClosestFieldName($node): string
         return '';
     }
 
-	/**
-	 * Returns the fieldnames that have been relevant during the explain.
-	 *
-	 * @return string[]
-	 */
-	public function getRelevantFieldNames(): array
+    /**
+     * Returns the fieldnames that have been relevant during the explain.
+     *
+     * @return string[]
+     */
+    public function getRelevantFieldNames(): array
     {
-		return array_keys($this->sums);
-	}
+        return array_keys($this->sums);
+    }
 
-	/**
-	 * Returns the impact for a certain field by name.
-	 *
-	 * @param $fieldName
-	 * @return float
-	 */
-	public function getFieldImpact($fieldName): float
+    /**
+     * Returns the impact for a certain field by name.
+     *
+     * @param $fieldName
+     * @return float
+     */
+    public function getFieldImpact($fieldName): float
     {
-		if(!array_key_exists($fieldName,$this->sums)) {
-			return 0.0;
-		}
+        if (!array_key_exists($fieldName, $this->sums)) {
+            return 0.0;
+        }
 
-		return $this->sums[$fieldName];
-	}
+        return $this->sums[$fieldName];
+    }
 
-	/**
-	 * Returns the fieldname => impact array.
-	 *
-	 * @return float[]
+    /**
+     * Returns the fieldname => impact array.
+     *
+     * @return float[]
      */
-	public function getFieldImpacts(): array
+    public function getFieldImpacts(): array
     {
-		return $this->sums;
-	}
+        return $this->sums;
+    }
 }
diff --git a/Classes/Domain/Result/Explanation/Visitors/SummarizeLeafImpacts.php b/Classes/Domain/Result/Explanation/Visitors/SummarizeLeafImpacts.php
index 9725627..044b728 100644
--- a/Classes/Domain/Result/Explanation/Visitors/SummarizeLeafImpacts.php
+++ b/Classes/Domain/Result/Explanation/Visitors/SummarizeLeafImpacts.php
@@ -11,28 +11,26 @@
  */
 class SummarizeLeafImpacts implements ExplainNodeVisitorInterface
 {
+    /**
+     * @var float
+     */
+    protected $sum = 0.0;
 
-	/**
-	 * @var float
-	 */
-	protected $sum = 0.0;
-
-	/**
-	 * @param Explain $node
-	 * @return void
-	 */
-	public function visit(Explain $node)
+    /**
+     * @param Explain $node
+     */
+    public function visit(Explain $node)
     {
-		if($node->getNodeType() == $node::NODE_TYPE_LEAF) {
-			$this->sum += $node->getAbsoluteImpactPercentage();
-		}
-	}
+        if ($node->getNodeType() == $node::NODE_TYPE_LEAF) {
+            $this->sum += $node->getAbsoluteImpactPercentage();
+        }
+    }
 
-	/**
-	 * @return float
-	 */
-	public function getSum(): float
+    /**
+     * @return float
+     */
+    public function getSum(): float
     {
-		return round($this->sum,1);
-	}
-}
\ No newline at end of file
+        return round($this->sum, 1);
+    }
+}
diff --git a/Classes/Domain/Result/Parser.php b/Classes/Domain/Result/Parser.php
index 3c788b5..6c9918a 100644
--- a/Classes/Domain/Result/Parser.php
+++ b/Classes/Domain/Result/Parser.php
@@ -13,260 +13,261 @@
 use DOMNodeList;
 use DOMXPath;
 
-class Parser {
-
-	/**
-	 * @var
-	 */
-	protected $explainNodes;
-
-	/**
-	 * @param string $xml
-	 * @return Result
-	 */
-	public function parse(string $xml): Result
+class Parser
+{
+    /**
+     * @var
+     */
+    protected $explainNodes;
+
+    /**
+     * @param string $xml
+     * @return Result
+     */
+    public function parse(string $xml): Result
     {
-		$result 	= new Result();
-		$dom		= new DOMDocument(1.0,"UTF-8");
-		$dom->loadXML(trim($xml));
+        $result 	= new Result();
+        $dom		= new DOMDocument(1.0, 'UTF-8');
+        $dom->loadXML(trim($xml));
 
-		$xpath 		= new DOMXPath($dom);
+        $xpath 		= new DOMXPath($dom);
 
-		$completeResultCount = $this->extractCompleteResultCount($xpath);
-		$result->setCompleteResultCount($completeResultCount);
+        $completeResultCount = $this->extractCompleteResultCount($xpath);
+        $result->setCompleteResultCount($completeResultCount);
 
-		$queryTime 	= $this->extractQueryTime($xpath);
-		$result->setQueryTime($queryTime);
+        $queryTime 	= $this->extractQueryTime($xpath);
+        $result->setQueryTime($queryTime);
 
-		$documentCollection = $this->extractDocumentCollection($xpath);
-		$result->setDocumentCollection($documentCollection);
+        $documentCollection = $this->extractDocumentCollection($xpath);
+        $result->setDocumentCollection($documentCollection);
 
-		$timing = $this->extractTiming($xpath);
-		$result->setTiming($timing);
+        $timing = $this->extractTiming($xpath);
+        $result->setTiming($timing);
 
-		$queryParserName = $this->extractParserName($xpath);
-		$result->setQueryParser($queryParserName);
+        $queryParserName = $this->extractParserName($xpath);
+        $result->setQueryParser($queryParserName);
 
-		return $result;
-	}
+        return $result;
+    }
 
-	/**
-	 * @param DOMXPath $resultXpath
-	 * @return int
-	 */
-	protected function extractCompleteResultCount(DOMXPath $resultXpath): int
+    /**
+     * @param DOMXPath $resultXpath
+     * @return int
+     */
+    protected function extractCompleteResultCount(DOMXPath $resultXpath): int
     {
-		$result 	= 0;
-		$numFound 	= $resultXpath->query("//response/result/@numFound");
+        $result 	= 0;
+        $numFound 	= $resultXpath->query('//response/result/@numFound');
 
-		if(isset($numFound->item(0)->textContent)) {
-			$result = (int) $numFound->item(0)->textContent;
-		}
+        if (isset($numFound->item(0)->textContent)) {
+            $result = (int)$numFound->item(0)->textContent;
+        }
 
-		return $result;
-	}
+        return $result;
+    }
 
-	/**
-	 * @param DOMXPath $resultXpath
-	 * @return int
-	 */
-	protected function extractQueryTime(DOMXPath $resultXpath): int
+    /**
+     * @param DOMXPath $resultXpath
+     * @return int
+     */
+    protected function extractQueryTime(DOMXPath $resultXpath): int
     {
-		$result 		= 0;
-		$responseTime 	= $resultXpath->query("//lst[@name='responseHeader']/int[@name='QTime']");
+        $result 		= 0;
+        $responseTime 	= $resultXpath->query("//lst[@name='responseHeader']/int[@name='QTime']");
 
-		if(isset($responseTime->item(0)->textContent)) {
-			$result = (int) $responseTime->item(0)->textContent;
-		}
+        if (isset($responseTime->item(0)->textContent)) {
+            $result = (int)$responseTime->item(0)->textContent;
+        }
 
-		return $result;
-	}
+        return $result;
+    }
 
-	/**
-	 * @param DOMXPath $resultXpath
-	 * @return Collection
-	 */
-	protected function extractDocumentCollection(DOMXPath $resultXpath): Collection
+    /**
+     * @param DOMXPath $resultXpath
+     * @return Collection
+     */
+    protected function extractDocumentCollection(DOMXPath $resultXpath): Collection
     {
-		$result 		= new Collection();
-		$documentNodes 	= $resultXpath->query("//doc");
-		$documentCount 	= 0;
-
-		foreach($documentNodes as $documentNode) {
-			$document = new Document();
-
-			/* @var DOMElement $documentNode */
-			foreach($documentNode->childNodes as $fieldNode) {
-				$this->extractDocumentFields($fieldNode, $document);
-			}
-
-			$explainContent = $this->extractExplainContent($resultXpath, $documentCount);
-			$document->setRawExplainData($explainContent);
-
-			$result->append($document);
-			$documentCount++;
-		}
-
-		return $result;
-	}
-
-	/**
-	 * This method is used to extract the fields from the xml response
-	 * and attach them to the document object.
-	 *
-	 * @param $fieldNode
-	 * @param Document $document
-	 */
-	protected function extractDocumentFields($fieldNode, Document $document) {
-		if ($fieldNode instanceof DOMElement) {
-			$field = new Field();
-
-			if ($fieldNode->nodeName == 'arr') {
-				//multivalue field
-				$value = [];
-				foreach ($fieldNode->childNodes as $singleField) {
-					$value[] = $singleField->textContent;
-				}
-			} else {
-				//single value field
-				$value = $fieldNode->textContent;
-			}
-
-			$field->setValue($value);
-
-			$fieldName = $fieldNode->getAttribute('name');
-			$field->setName($fieldName);
-
-			$document->addField($field);
-		}
-	}
-
-	/**
-	 * @param DOMXPath $resultXPath
-	 * @return DOMNodeList|false a DOMNodeList containing all nodes matching
+        $result 		= new Collection();
+        $documentNodes 	= $resultXpath->query('//doc');
+        $documentCount 	= 0;
+
+        foreach ($documentNodes as $documentNode) {
+            $document = new Document();
+
+            /* @var DOMElement $documentNode */
+            foreach ($documentNode->childNodes as $fieldNode) {
+                $this->extractDocumentFields($fieldNode, $document);
+            }
+
+            $explainContent = $this->extractExplainContent($resultXpath, $documentCount);
+            $document->setRawExplainData($explainContent);
+
+            $result->append($document);
+            $documentCount++;
+        }
+
+        return $result;
+    }
+
+    /**
+     * This method is used to extract the fields from the xml response
+     * and attach them to the document object.
+     *
+     * @param $fieldNode
+     * @param Document $document
+     */
+    protected function extractDocumentFields($fieldNode, Document $document)
+    {
+        if ($fieldNode instanceof DOMElement) {
+            $field = new Field();
+
+            if ($fieldNode->nodeName == 'arr') {
+                //multivalue field
+                $value = [];
+                foreach ($fieldNode->childNodes as $singleField) {
+                    $value[] = $singleField->textContent;
+                }
+            } else {
+                //single value field
+                $value = $fieldNode->textContent;
+            }
+
+            $field->setValue($value);
+
+            $fieldName = $fieldNode->getAttribute('name');
+            $field->setName($fieldName);
+
+            $document->addField($field);
+        }
+    }
+
+    /**
+     * @param DOMXPath $resultXPath
+     * @return DOMNodeList|false a DOMNodeList containing all nodes matching
      * the given XPath expression. Any expression which does not return nodes
      * will return an empty DOMNodeList. The return is false if the expression
      * is malformed or the contextnode is invalid.
-	 */
-	protected function getExplainNodes(DOMXPath $resultXPath)
+     */
+    protected function getExplainNodes(DOMXPath $resultXPath)
     {
-		if($this->explainNodes == null) {
-			$this->explainNodes = $resultXPath->query("//lst[@name='debug']/lst[@name='explain']/str");
-		}
+        if ($this->explainNodes == null) {
+            $this->explainNodes = $resultXPath->query("//lst[@name='debug']/lst[@name='explain']/str");
+        }
 
-		return $this->explainNodes;
-	}
+        return $this->explainNodes;
+    }
 
     /**
      * @param DOMXPath $resultXPath
      * @param
      * @return string
      */
-	protected function extractExplainContent(DOMXPath $resultXPath, $documentCount): string
+    protected function extractExplainContent(DOMXPath $resultXPath, $documentCount): string
     {
-		$explainContent = '';
+        $explainContent = '';
 
-		$explainNodes 	= $this->getExplainNodes($resultXPath);
+        $explainNodes 	= $this->getExplainNodes($resultXPath);
 
-		if(isset($explainNodes->item($documentCount)->textContent)) {
-			$explainContent = $explainNodes->item($documentCount)->textContent;
-		}
+        if (isset($explainNodes->item($documentCount)->textContent)) {
+            $explainContent = $explainNodes->item($documentCount)->textContent;
+        }
 
-		return $explainContent;
-	}
+        return $explainContent;
+    }
 
-	/**
-	 * @param DOMXPath $xpath
-	 * @return Timing
-	 */
-	protected function extractTiming(DOMXPath $xpath): Timing
+    /**
+     * @param DOMXPath $xpath
+     * @return Timing
+     */
+    protected function extractTiming(DOMXPath $xpath): Timing
     {
-		$prepareItemCollection 		= new ItemCollection();
-		$processingItemCollection	= new ItemCollection();
-
-		$path 			= "//lst[@name='debug']/lst[@name='timing']/*[@name='time']";
-		$overallTime 	= $this->getTimeFromNode($xpath, $path);
-
-		//get prepare timing and items
-		$path 			= "//lst[@name='debug']/lst[@name='timing']/lst[@name='prepare']/*[@name='time']";
-		$prepareTime	= $this->getTimeFromNode($xpath, $path);
-		$prepareItemCollection->setTimeSpend($prepareTime);
-
-		$prepareNodesPath = "//lst[@name='debug']/lst[@name='timing']/lst[@name='prepare']/lst";
-		$this->extractTimingSubNodes($xpath, $prepareNodesPath, $prepareItemCollection);
-
-		//get processing time and items
-		$path 			= "//lst[@name='debug']/lst[@name='timing']/lst[@name='process']/*[@name='time']";
-		$processingTime	= $this->getTimeFromNode($xpath, $path);
-		$processingItemCollection->setTimeSpend($processingTime);
-
-		$processingNodesPath = "//lst[@name='debug']/lst[@name='timing']/lst[@name='process']/lst";
-		$this->extractTimingSubNodes($xpath, $processingNodesPath, $processingItemCollection);
-
-		//build all and return
-		$result = new Timing($prepareItemCollection, $processingItemCollection);
-		$result->setTimeSpend($overallTime);
-
-		return $result;
-	}
-
-	/**
-	 * This method is used to build timing items from timing subnodes.
-	 *
-	 * @param DOMXPath $xpath
-	 * @param string $nodeXPath
-	 * @param ItemCollection $itemCollection
-	 */
-	protected function extractTimingSubNodes(DOMXPath $xpath, string $nodeXPath, ItemCollection $itemCollection)
+        $prepareItemCollection 		= new ItemCollection();
+        $processingItemCollection	= new ItemCollection();
+
+        $path 			= "//lst[@name='debug']/lst[@name='timing']/*[@name='time']";
+        $overallTime 	= $this->getTimeFromNode($xpath, $path);
+
+        //get prepare timing and items
+        $path 			= "//lst[@name='debug']/lst[@name='timing']/lst[@name='prepare']/*[@name='time']";
+        $prepareTime	= $this->getTimeFromNode($xpath, $path);
+        $prepareItemCollection->setTimeSpend($prepareTime);
+
+        $prepareNodesPath = "//lst[@name='debug']/lst[@name='timing']/lst[@name='prepare']/lst";
+        $this->extractTimingSubNodes($xpath, $prepareNodesPath, $prepareItemCollection);
+
+        //get processing time and items
+        $path 			= "//lst[@name='debug']/lst[@name='timing']/lst[@name='process']/*[@name='time']";
+        $processingTime	= $this->getTimeFromNode($xpath, $path);
+        $processingItemCollection->setTimeSpend($processingTime);
+
+        $processingNodesPath = "//lst[@name='debug']/lst[@name='timing']/lst[@name='process']/lst";
+        $this->extractTimingSubNodes($xpath, $processingNodesPath, $processingItemCollection);
+
+        //build all and return
+        $result = new Timing($prepareItemCollection, $processingItemCollection);
+        $result->setTimeSpend($overallTime);
+
+        return $result;
+    }
+
+    /**
+     * This method is used to build timing items from timing subnodes.
+     *
+     * @param DOMXPath $xpath
+     * @param string $nodeXPath
+     * @param ItemCollection $itemCollection
+     */
+    protected function extractTimingSubNodes(DOMXPath $xpath, string $nodeXPath, ItemCollection $itemCollection)
     {
-		$nodes = $xpath->query($nodeXPath);
-
-		foreach ($nodes as $node) {
-			/** @var $node DOMElement */
-			$name = $node->getAttribute('name');
-			$time = 0.0;
-			if (isset($node->childNodes->item(0)->textContent)) {
-				$time = (float)$node->childNodes->item(0)->textContent;
-			}
-
-			$item = new Item();
-			$item->setComponentName($name);
-			$item->setTimeSpend($time);
-
-			$itemCollection->append($item);
-		}
-	}
-
-	/**
-	 * @param DOMXPath $xpath
-	 * @param string $path
-	 * @return float
-	 */
-	protected function getTimeFromNode(DOMXPath $xpath, string $path): float
+        $nodes = $xpath->query($nodeXPath);
+
+        foreach ($nodes as $node) {
+            /** @var $node DOMElement */
+            $name = $node->getAttribute('name');
+            $time = 0.0;
+            if (isset($node->childNodes->item(0)->textContent)) {
+                $time = (float)$node->childNodes->item(0)->textContent;
+            }
+
+            $item = new Item();
+            $item->setComponentName($name);
+            $item->setTimeSpend($time);
+
+            $itemCollection->append($item);
+        }
+    }
+
+    /**
+     * @param DOMXPath $xpath
+     * @param string $path
+     * @return float
+     */
+    protected function getTimeFromNode(DOMXPath $xpath, string $path): float
     {
-		$timeNode = $xpath->query($path);
-		$time = 0.0;
-		if (isset($timeNode->item(0)->textContent)) {
-			$time = (float)$timeNode->item(0)->textContent;
-		}
+        $timeNode = $xpath->query($path);
+        $time = 0.0;
+        if (isset($timeNode->item(0)->textContent)) {
+            $time = (float)$timeNode->item(0)->textContent;
+        }
 
-		return $time;
-	}
+        return $time;
+    }
 
     /**
      * @param DOMXPath $xpath
      * @return string
      */
-	protected function extractParserName(DOMXPath $xpath): string
+    protected function extractParserName(DOMXPath $xpath): string
     {
-		$result				= '';
-		$path 				= "//lst[@name='debug']/str[@name='QParser']";
-		$queryParserNode 	= $xpath->query($path);
+        $result				= '';
+        $path 				= "//lst[@name='debug']/str[@name='QParser']";
+        $queryParserNode 	= $xpath->query($path);
 
-		if(isset($queryParserNode->item(0)->textContent)) {
-			$result = $queryParserNode->item(0)->textContent;
-		}
+        if (isset($queryParserNode->item(0)->textContent)) {
+            $result = $queryParserNode->item(0)->textContent;
+        }
 
-		return $result;
-	}
+        return $result;
+    }
 }
diff --git a/Classes/Domain/Result/Result.php b/Classes/Domain/Result/Result.php
index 5a8baef..fc88233 100644
--- a/Classes/Domain/Result/Result.php
+++ b/Classes/Domain/Result/Result.php
@@ -5,121 +5,124 @@
 use ApacheSolrForTypo3\SolrExplain\Domain\Result\Document\Collection;
 use ApacheSolrForTypo3\SolrExplain\Domain\Result\Timing\Timing;
 
-class Result {
-
-	/**
-	 * @var int
-	 */
-	protected $completeResultCount = 0;
-
-	/**
-	 * @var int
-	 */
-	protected $queryTime = 0;
-
-	/**
-	 * @var string
-	 */
-	protected $queryParser = '';
-
-	/**
-	 * @var Collection
-	 */
-	protected $documentCollection;
-
-	/**
-	 * @var Timing
-	 */
-	protected $timing = null;
-
-	/**
-	 * @param int $completeResultCount
-	 * @return self
-	 */
-	public function setCompleteResultCount(int $completeResultCount): Result
+class Result
+{
+    /**
+     * @var int
+     */
+    protected $completeResultCount = 0;
+
+    /**
+     * @var int
+     */
+    protected $queryTime = 0;
+
+    /**
+     * @var string
+     */
+    protected $queryParser = '';
+
+    /**
+     * @var Collection
+     */
+    protected $documentCollection;
+
+    /**
+     * @var Timing
+     */
+    protected $timing;
+
+    /**
+     * @param int $completeResultCount
+     * @return self
+     */
+    public function setCompleteResultCount(int $completeResultCount): Result
     {
-		$this->completeResultCount = $completeResultCount;
+        $this->completeResultCount = $completeResultCount;
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * @return int
-	 */
-	public function getCompleteResultCount(): int
+    /**
+     * @return int
+     */
+    public function getCompleteResultCount(): int
     {
-		return $this->completeResultCount;
-	}
+        return $this->completeResultCount;
+    }
 
-	/**
-	 * @return int
-	 */
-	public function getResultCount(): int
+    /**
+     * @return int
+     */
+    public function getResultCount(): int
     {
-		return $this->documentCollection->count();
-	}
-
-	/**
-	 * @param int $queryTime
-	 * @return self
-	 */
-	public function setQueryTime(int $queryTime): Result
+        return $this->documentCollection->count();
+    }
+
+    /**
+     * @param int $queryTime
+     * @return self
+     */
+    public function setQueryTime(int $queryTime): Result
     {
-		$this->queryTime = $queryTime;
+        $this->queryTime = $queryTime;
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * @return int
-	 */
-	public function getQueryTime(): int
+    /**
+     * @return int
+     */
+    public function getQueryTime(): int
     {
-		return $this->queryTime;
-	}
-
-	/**
-	 * @param Collection $documentCollection
-	 */
-	public function setDocumentCollection(Collection $documentCollection) {
-		$this->documentCollection = $documentCollection;
-	}
-
-	/**
-	 * @return Collection
-	 */
-	public function getDocumentCollection(): Collection
+        return $this->queryTime;
+    }
+
+    /**
+     * @param Collection $documentCollection
+     */
+    public function setDocumentCollection(Collection $documentCollection)
     {
-		return $this->documentCollection;
-	}
-
-	/**
-	 * @param Timing $timing
-	 */
-	public function setTiming(Timing $timing) {
-		$this->timing = $timing;
-	}
-
-	/**
-	 * @return Timing
-	 */
-	public function getTiming(): ?Timing
+        $this->documentCollection = $documentCollection;
+    }
+
+    /**
+     * @return Collection
+     */
+    public function getDocumentCollection(): Collection
     {
-		return $this->timing;
-	}
-
-	/**
-	 * @param string $queryParser
-	 */
-	public function setQueryParser(string $queryParser) {
-		$this->queryParser = $queryParser;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getQueryParser(): string
+        return $this->documentCollection;
+    }
+
+    /**
+     * @param Timing $timing
+     */
+    public function setTiming(Timing $timing)
+    {
+        $this->timing = $timing;
+    }
+
+    /**
+     * @return Timing
+     */
+    public function getTiming(): ?Timing
+    {
+        return $this->timing;
+    }
+
+    /**
+     * @param string $queryParser
+     */
+    public function setQueryParser(string $queryParser)
+    {
+        $this->queryParser = $queryParser;
+    }
+
+    /**
+     * @return string
+     */
+    public function getQueryParser(): string
     {
-		return $this->queryParser;
-	}
-}
\ No newline at end of file
+        return $this->queryParser;
+    }
+}
diff --git a/Classes/Domain/Result/Timing/Item.php b/Classes/Domain/Result/Timing/Item.php
index 432034b..3778741 100644
--- a/Classes/Domain/Result/Timing/Item.php
+++ b/Classes/Domain/Result/Timing/Item.php
@@ -2,53 +2,53 @@
 
 namespace ApacheSolrForTypo3\SolrExplain\Domain\Result\Timing;
 
-class Item {
-
-	/**
-	 * @var float
-	 */
-	protected $timeSpend = 0.0;
-
-	/**
-	 * @var string
-	 */
-	protected $componentName = '';
-
-	/**
-	 * @param string $componentName
-	 * @return self
-	 */
-	public function setComponentName(string $componentName): Item
+class Item
+{
+    /**
+     * @var float
+     */
+    protected $timeSpend = 0.0;
+
+    /**
+     * @var string
+     */
+    protected $componentName = '';
+
+    /**
+     * @param string $componentName
+     * @return self
+     */
+    public function setComponentName(string $componentName): Item
     {
-		$this->componentName = $componentName;
+        $this->componentName = $componentName;
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function getComponentName(): string
+    /**
+     * @return string
+     */
+    public function getComponentName(): string
     {
-		return $this->componentName;
-	}
-
-	/**
-	 * @param float $timeSpend
-	 * @return self
-	 */
-	public function setTimeSpend(float $timeSpend): Item
+        return $this->componentName;
+    }
+
+    /**
+     * @param float $timeSpend
+     * @return self
+     */
+    public function setTimeSpend(float $timeSpend): Item
     {
-		$this->timeSpend = $timeSpend;
+        $this->timeSpend = $timeSpend;
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * @return float
-	 */
-	public function getTimeSpend(): float
+    /**
+     * @return float
+     */
+    public function getTimeSpend(): float
     {
-		return $this->timeSpend;
-	}
+        return $this->timeSpend;
+    }
 }
diff --git a/Classes/Domain/Result/Timing/ItemCollection.php b/Classes/Domain/Result/Timing/ItemCollection.php
index 025662b..6626a0b 100644
--- a/Classes/Domain/Result/Timing/ItemCollection.php
+++ b/Classes/Domain/Result/Timing/ItemCollection.php
@@ -10,28 +10,27 @@
  */
 class ItemCollection extends ArrayObject
 {
+    /**
+     * @var float
+     */
+    protected $timeSpend = 0.0;
 
-	/**
-	 * @var float
-	 */
-	protected $timeSpend = 0.0;
-
-	/**
-	 * @param float $timeSpend
-	 * @return self
-	 */
-	public function setTimeSpend(float $timeSpend): ItemCollection
+    /**
+     * @param float $timeSpend
+     * @return self
+     */
+    public function setTimeSpend(float $timeSpend): ItemCollection
     {
-		$this->timeSpend = $timeSpend;
+        $this->timeSpend = $timeSpend;
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * @return float
-	 */
-	public function getTimeSpend(): float
+    /**
+     * @return float
+     */
+    public function getTimeSpend(): float
     {
-		return $this->timeSpend;
-	}
-}
\ No newline at end of file
+        return $this->timeSpend;
+    }
+}
diff --git a/Classes/Domain/Result/Timing/Timing.php b/Classes/Domain/Result/Timing/Timing.php
index 203db86..82c9cfd 100644
--- a/Classes/Domain/Result/Timing/Timing.php
+++ b/Classes/Domain/Result/Timing/Timing.php
@@ -7,77 +7,76 @@
  */
 class Timing
 {
+    /**
+     * @var ItemCollection
+     */
+    protected $preparationItems;
 
-	/**
-	 * @var ItemCollection
-	 */
-	protected $preparationItems;
+    /**
+     * @var ItemCollection
+     */
+    protected $processingItems;
 
-	/**
-	 * @var ItemCollection
-	 */
-	protected $processingItems;
+    /**
+     * @var float
+     */
+    protected $timeSpend = 0.0;
 
-	/**
-	 * @var float
-	 */
-	protected $timeSpend = 0.0;
-
-	/**
-	 * @param ItemCollection $preparationItems
-	 * @param ItemCollection $processingItems
-	 */
-	public function __construct(ItemCollection $preparationItems, ItemCollection $processingItems)
+    /**
+     * @param ItemCollection $preparationItems
+     * @param ItemCollection $processingItems
+     */
+    public function __construct(ItemCollection $preparationItems, ItemCollection $processingItems)
     {
-		$this->preparationItems = $preparationItems;
-		$this->processingItems = $processingItems;
-	}
+        $this->preparationItems = $preparationItems;
+        $this->processingItems = $processingItems;
+    }
 
-	/**
-	 * @param float $timeSpend
-	 */
-	public function setTimeSpend(float $timeSpend)
+    /**
+     * @param float $timeSpend
+     */
+    public function setTimeSpend(float $timeSpend)
     {
-		$this->timeSpend = $timeSpend;
-	}
+        $this->timeSpend = $timeSpend;
+    }
 
-	/**
-	 * @return float
-	 */
-	public function getTimeSpend(): float
+    /**
+     * @return float
+     */
+    public function getTimeSpend(): float
     {
-		return $this->timeSpend;
-	}
+        return $this->timeSpend;
+    }
 
-	/**
-	 * @param ItemCollection $processingItems
-	 */
-	public function setProcessingItems(ItemCollection $processingItems)
+    /**
+     * @param ItemCollection $processingItems
+     */
+    public function setProcessingItems(ItemCollection $processingItems)
     {
-		$this->processingItems = $processingItems;
-	}
+        $this->processingItems = $processingItems;
+    }
 
-	/**
-	 * @return ItemCollection
-	 */
-	public function getProcessingItems(): ItemCollection
+    /**
+     * @return ItemCollection
+     */
+    public function getProcessingItems(): ItemCollection
     {
-		return $this->processingItems;
-	}
+        return $this->processingItems;
+    }
 
-	/**
-	 * @param ItemCollection $preparationItems
-	 */
-	public function setPreparationItems(ItemCollection $preparationItems)
+    /**
+     * @param ItemCollection $preparationItems
+     */
+    public function setPreparationItems(ItemCollection $preparationItems)
     {
-		$this->preparationItems = $preparationItems;
-	}
+        $this->preparationItems = $preparationItems;
+    }
 
-	/**
-	 * @return ItemCollection
-	 */
-	public function getPreparationItems(): ItemCollection
+    /**
+     * @return ItemCollection
+     */
+    public function getPreparationItems(): ItemCollection
     {
-		return $this->preparationItems;
-	}
+        return $this->preparationItems;
+    }
 }
diff --git a/Tests/Domain/AbstractSolrTestCase.php b/Tests/Domain/AbstractSolrTestCase.php
index 031b635..2b51ad3 100644
--- a/Tests/Domain/AbstractSolrTestCase.php
+++ b/Tests/Domain/AbstractSolrTestCase.php
@@ -6,28 +6,27 @@
 
 abstract class AbstractSolrTest extends TestCase
 {
-	/**
-	 * Helper method to get the path of a "fixtures" folder that is relative to the current class folder.
-	 *
-	 * @return string
-	 */
-	protected function getTestFixturePath()
+    /**
+     * Helper method to get the path of a "fixtures" folder that is relative to the current class folder.
+     *
+     * @return string
+     */
+    protected function getTestFixturePath()
     {
-		$reflector	= new \ReflectionClass(get_class($this));
-		$path 		= dirname($reflector->getFileName()).'/Fixtures/';
-		return $path;
-	}
+        $reflector	= new \ReflectionClass(static::class);
+        $path 		= dirname($reflector->getFileName()) . '/Fixtures/';
+        return $path;
+    }
 
-	/**
-	 * Helper method to get a content of a fixture that is located in the "fixtures" folder beside the
-	 * current testcase.
-	 *
-	 * @param $fixtureFilename
-	 * @return string
-	 */
-	protected function getFixtureContent($fixtureFilename)
+    /**
+     * Helper method to get a content of a fixture that is located in the "fixtures" folder beside the
+     * current testcase.
+     *
+     * @param $fixtureFilename
+     * @return string
+     */
+    protected function getFixtureContent($fixtureFilename)
     {
-		return file_get_contents($this->getTestFixturePath().$fixtureFilename);
-	}
-
+        return file_get_contents($this->getTestFixturePath() . $fixtureFilename);
+    }
 }
diff --git a/Tests/Domain/Result/Explanation/AbstractExplanationTestCase.php b/Tests/Domain/Result/Explanation/AbstractExplanationTestCase.php
index 55877ff..8c048fc 100644
--- a/Tests/Domain/Result/Explanation/AbstractExplanationTestCase.php
+++ b/Tests/Domain/Result/Explanation/AbstractExplanationTestCase.php
@@ -10,21 +10,20 @@
 
 abstract class AbstractExplanationTestCase extends AbstractSolrTest
 {
-
-	/**
-	 * @param $filename
-	 * @return ExplainResult
-	 */
-	protected function getExplainFromFixture($filename)
+    /**
+     * @param $filename
+     * @return ExplainResult
+     */
+    protected function getExplainFromFixture($filename)
     {
-		$fileContent = $this->getFixtureContent($filename.".txt");
-		$content = new Content($fileContent);
-		$metaData = new MetaData('P_164345','auto');
+        $fileContent = $this->getFixtureContent($filename . '.txt');
+        $content = new Content($fileContent);
+        $metaData = new MetaData('P_164345', 'auto');
 
-		$parser = new Parser();
-		$parser->injectExplainResult(new ExplainResult());
-		$explain = $parser->parse($content,$metaData);
+        $parser = new Parser();
+        $parser->injectExplainResult(new ExplainResult());
+        $explain = $parser->parse($content, $metaData);
 
-		return $explain;
-	}
+        return $explain;
+    }
 }
diff --git a/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php b/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php
index e70da97..5ff1fb6 100644
--- a/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php
+++ b/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php
@@ -9,21 +9,20 @@
  */
 class ExplainServiceTestCase extends AbstractExplanationTestCase
 {
-
-	/**
-	 * @test
-	 */
-	public function testFixture1()
+    /**
+     * @test
+     */
+    public function testFixture1()
     {
-		$content 	= $this->getFixtureContent('3.0.001.txt');
-		$result 	= ExplainService::getFieldImpactsFromRawContent(
-			$content,
-			'foo',
-			'bar'
-		);
+        $content 	= $this->getFixtureContent('3.0.001.txt');
+        $result 	= ExplainService::getFieldImpactsFromRawContent(
+            $content,
+            'foo',
+            'bar'
+        );
 
-		$this->assertEquals(['name' => 100], $result);
-	}
+        self::assertEquals(['name' => 100], $result);
+    }
 
     /**
  * @test
@@ -40,9 +39,9 @@ public function testCanNotCreateEmptyNodes()
         $expectedResult = [
             'keywords' => 3.9746099859253836,
             'title' =>  7.1126007378396707,
-            'content' => 88.912788999915335
+            'content' => 88.912788999915335,
         ];
-        $this->assertEquals($expectedResult, $result);
+        self::assertEquals($expectedResult, $result);
     }
 
     /**
@@ -64,7 +63,7 @@ public function testCanParseSynonymNodes()
             'content' => 81.02878024976832,
         ];
 
-        $this->assertEquals($expectedResult, $result);
+        self::assertEquals($expectedResult, $result);
     }
 
     /**
@@ -82,9 +81,9 @@ public function testCanParse82Response()
         $expectedResult = [
             'content' => 85.44380986095436,
             'tagsH2H3' => 4.056216176545581,
-            'title' => 10.499972051284612
+            'title' => 10.499972051284612,
         ];
 
-        $this->assertEquals($expectedResult, $result);
+        self::assertEquals($expectedResult, $result);
     }
 }
diff --git a/Tests/Domain/Result/Explanation/ExplanationSolr34TestCase.php b/Tests/Domain/Result/Explanation/ExplanationSolr34TestCase.php
index 7c7af48..db49478 100644
--- a/Tests/Domain/Result/Explanation/ExplanationSolr34TestCase.php
+++ b/Tests/Domain/Result/Explanation/ExplanationSolr34TestCase.php
@@ -5,126 +5,126 @@
 /**
  * Testcases for the php port of solr explain for solr version 3.4 responses.
  */
-class ExplanationSolr34TestCase extends AbstractExplanationTestCase{
-
-	/**
-	 * @test
-	 */
-	public function testFixture001()
+class ExplanationSolr34TestCase extends AbstractExplanationTestCase
+{
+    /**
+     * @test
+     */
+    public function testFixture001()
     {
-		$explain = $this->getExplainFromFixture('3.4.001');
-
-		$this->assertNotNull($explain);
-		$this->assertEquals('P_164345',$explain->getDocumentId());
-		$this->assertEquals(1.0,$explain->getRootNode()->getScore());
-		$this->assertEquals(1,$explain->getChildren()->count());
-		$this->assertEquals(0,$explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(1.0,$explain->getChild(0)->getScore());
-		$this->assertEquals('*:*',$explain->getAttribute(':query'));
-	}
-
-	/**
-	 * @test
-	 */
-	public function testFixture002()
+        $explain = $this->getExplainFromFixture('3.4.001');
+
+        self::assertNotNull($explain);
+        self::assertEquals('P_164345', $explain->getDocumentId());
+        self::assertEquals(1.0, $explain->getRootNode()->getScore());
+        self::assertEquals(1, $explain->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(1.0, $explain->getChild(0)->getScore());
+        self::assertEquals('*:*', $explain->getAttribute(':query'));
+    }
+
+    /**
+     * @test
+     */
+    public function testFixture002()
     {
-		$explain = $this->getExplainFromFixture('3.4.002');
+        $explain = $this->getExplainFromFixture('3.4.002');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals('P_164345',$explain->getDocumentId());
-		$this->assertEquals(1.0,$explain->getRootNode()->getScore());
-		$this->assertEquals(2,$explain->getChildren()->count());
+        self::assertNotNull($explain);
+        self::assertEquals('P_164345', $explain->getDocumentId());
+        self::assertEquals(1.0, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
 
-		$this->assertEquals(0,$explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(0,$explain->getChild(1)->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(1)->getChildren()->count());
 
-		$this->assertEquals(10.0,$explain->getChild(0)->getScore());
-		$this->assertEquals(0.1,$explain->getChild(1)->getScore());
+        self::assertEquals(10.0, $explain->getChild(0)->getScore());
+        self::assertEquals(0.1, $explain->getChild(1)->getScore());
 
-		$this->assertEquals('*:*^10.0',$explain->getAttribute(':query'));
-	}
+        self::assertEquals('*:*^10.0', $explain->getAttribute(':query'));
+    }
 
-	/**
-	 * @test
-	 */
-	public function testFixture003()
+    /**
+     * @test
+     */
+    public function testFixture003()
     {
-		$explain = $this->getExplainFromFixture('3.4.003');
+        $explain = $this->getExplainFromFixture('3.4.003');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals('P_164345', $explain->getDocumentId());
-		$this->assertEquals(100.48211, $explain->getRootNode()->getScore());
+        self::assertNotNull($explain);
+        self::assertEquals('P_164345', $explain->getDocumentId());
+        self::assertEquals(100.48211, $explain->getRootNode()->getScore());
 
-		$this->assertEquals(2, $explain->getChildren()->count());
-		$this->assertEquals(2, $explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(3, $explain->getChild(1)->getChildren()->count());
+        self::assertEquals(2, $explain->getChildren()->count());
+        self::assertEquals(2, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(3, $explain->getChild(1)->getChildren()->count());
 
-		$this->assertEquals(0.99999994, $explain->getChild(0)->getScore());
-		$this->assertEquals(100.48212, $explain->getChild(1)->getScore());
-	}
+        self::assertEquals(0.99999994, $explain->getChild(0)->getScore());
+        self::assertEquals(100.48212, $explain->getChild(1)->getScore());
+    }
 
-	public function testFixture004()
+    public function testFixture004()
     {
-		$explain = $this->getExplainFromFixture('3.4.004');
-
-		$this->assertNotNull($explain);
-		$this->assertEquals('P_164345', $explain->getDocumentId());
-		$this->assertEquals(0.0,$explain->getRootNode()->getScore());
-		$this->assertEquals(3,$explain->getChildren()->count());
-		$this->assertEquals(0, $explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(0, $explain->getChild(1)->getChildren()->count());
-		$this->assertEquals(0, $explain->getChild(2)->getChildren()->count());
-
-		$this->assertEquals(3.8332133, $explain->getChild(1)->getScore());
-		$this->assertEquals(32.0, $explain->getChild(2)->getScore());
-	}
-
-	/**
-	 * @test
-	 */
-	public function testFixture005()
+        $explain = $this->getExplainFromFixture('3.4.004');
+
+        self::assertNotNull($explain);
+        self::assertEquals('P_164345', $explain->getDocumentId());
+        self::assertEquals(0.0, $explain->getRootNode()->getScore());
+        self::assertEquals(3, $explain->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(1)->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(2)->getChildren()->count());
+
+        self::assertEquals(3.8332133, $explain->getChild(1)->getScore());
+        self::assertEquals(32.0, $explain->getChild(2)->getScore());
+    }
+
+    /**
+     * @test
+     */
+    public function testFixture005()
     {
-		$explain = $this->getExplainFromFixture('3.4.005');
+        $explain = $this->getExplainFromFixture('3.4.005');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals('P_164345', $explain->getDocumentId());
-		$this->assertEquals(142.10316,$explain->getRootNode()->getScore());
-		$this->assertEquals(2,$explain->getChildren()->count());
-		$this->assertEquals(2,$explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(2,$explain->getChild(1)->getChildren()->count());
+        self::assertNotNull($explain);
+        self::assertEquals('P_164345', $explain->getDocumentId());
+        self::assertEquals(142.10316, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
+        self::assertEquals(2, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(2, $explain->getChild(1)->getChildren()->count());
 
-		$this->assertEquals(71.05158,$explain->getChild(0)->getScore());
-		$this->assertEquals(71.05158,$explain->getChild(1)->getScore());
-	}
+        self::assertEquals(71.05158, $explain->getChild(0)->getScore());
+        self::assertEquals(71.05158, $explain->getChild(1)->getScore());
+    }
 
-	public function testFixture006()
+    public function testFixture006()
     {
-		$explain = $this->getExplainFromFixture('3.4.006');
+        $explain = $this->getExplainFromFixture('3.4.006');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals('P_164345', $explain->getDocumentId());
-		$this->assertEquals(0.0, $explain->getRootNode()->getScore());
-		$this->assertEquals(2, $explain->getChildren()->count());
-		$this->assertEquals(2, $explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(0, $explain->getChild(1)->getChildren()->count());
+        self::assertNotNull($explain);
+        self::assertEquals('P_164345', $explain->getDocumentId());
+        self::assertEquals(0.0, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
+        self::assertEquals(2, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(1)->getChildren()->count());
 
-		$this->assertEquals(63.675232, $explain->getChild(0)->getScore());
-		$this->assertEquals(0.0, $explain->getChild(1)->getScore());
-	}
+        self::assertEquals(63.675232, $explain->getChild(0)->getScore());
+        self::assertEquals(0.0, $explain->getChild(1)->getScore());
+    }
 
-	public function testFixture007()
+    public function testFixture007()
     {
-		$explain = $this->getExplainFromFixture('3.4.007');
-
-		$this->assertNotNull($explain);
-		$this->assertEquals('P_164345', $explain->getDocumentId());
-		$this->assertEquals(200.96422,$explain->getRootNode()->getScore());
-		$this->assertEquals(2,$explain->getChildren()->count());
-		$this->assertEquals(2, $explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(3, $explain->getChild(1)->getChildren()->count());
-		$this->assertEquals(0.99999994,$explain->getChild(0)->getScore());
-		$this->assertEquals(200.96423, $explain->getChild(1)->getScore());
-
-		$this->assertEquals('name:"Dell Widescreen"',$explain->getAttribute(':query'));
-	}
-}
\ No newline at end of file
+        $explain = $this->getExplainFromFixture('3.4.007');
+
+        self::assertNotNull($explain);
+        self::assertEquals('P_164345', $explain->getDocumentId());
+        self::assertEquals(200.96422, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
+        self::assertEquals(2, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(3, $explain->getChild(1)->getChildren()->count());
+        self::assertEquals(0.99999994, $explain->getChild(0)->getScore());
+        self::assertEquals(200.96423, $explain->getChild(1)->getScore());
+
+        self::assertEquals('name:"Dell Widescreen"', $explain->getAttribute(':query'));
+    }
+}
diff --git a/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php b/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php
index a0730be..b241c3b 100644
--- a/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php
+++ b/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php
@@ -9,103 +9,102 @@
  */
 class ExplanationSolr3TestCase extends AbstractExplanationTestCase
 {
-
-	/**
-	 * @test
-	 */
-	public function testFixture001GetScore()
+    /**
+     * @test
+     */
+    public function testFixture001GetScore()
     {
-		$explain = $this->getExplainFromFixture('3.0.001');
-
-		$this->assertNotNull($explain);
-		$this->assertEquals(1, $explain->getChildren()->count());
-		$this->assertEquals(2,$explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(2,$explain->getChild(0)->getParent()->getChild(0)->getChildren()->count());
-		$this->assertEquals(0.8621642, $explain->getRootNode()->getScore());
-		$this->assertEquals(0.8621642,$explain->getChild(0)->getScore());
-	}
-
-	/**
-	 * @test
-	 */
-	public function testFixture001GetImpact()
+        $explain = $this->getExplainFromFixture('3.0.001');
+
+        self::assertNotNull($explain);
+        self::assertEquals(1, $explain->getChildren()->count());
+        self::assertEquals(2, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(2, $explain->getChild(0)->getParent()->getChild(0)->getChildren()->count());
+        self::assertEquals(0.8621642, $explain->getRootNode()->getScore());
+        self::assertEquals(0.8621642, $explain->getChild(0)->getScore());
+    }
+
+    /**
+     * @test
+     */
+    public function testFixture001GetImpact()
     {
-		$explain = $this->getExplainFromFixture('3.0.001');
+        $explain = $this->getExplainFromFixture('3.0.001');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals(0.8621642, $explain->getRootNode()->getScore());
-		$this->assertEquals(0.8621642,$explain->getChild(0)->getScore());
-		$this->assertEquals(0.4310821,$explain->getChild(0)->getChild(0)->getScore());
+        self::assertNotNull($explain);
+        self::assertEquals(0.8621642, $explain->getRootNode()->getScore());
+        self::assertEquals(0.8621642, $explain->getChild(0)->getScore());
+        self::assertEquals(0.4310821, $explain->getChild(0)->getChild(0)->getScore());
 
-		$this->assertEquals(100.0,$explain->getRootNode()->getAbsoluteImpactPercentage());
+        self::assertEquals(100.0, $explain->getRootNode()->getAbsoluteImpactPercentage());
 
-		$this->assertEquals(Explain::NODE_TYPE_SUM,$explain->getRootNode()->getNodeType());
-		$this->assertEquals(Explain::NODE_TYPE_SUM,$explain->getRootNode()->getChild(0)->getNodeType());
+        self::assertEquals(Explain::NODE_TYPE_SUM, $explain->getRootNode()->getNodeType());
+        self::assertEquals(Explain::NODE_TYPE_SUM, $explain->getRootNode()->getChild(0)->getNodeType());
 
-		$this->assertEquals(100.0,$explain->getRootNode()->getChild(0)->getAbsoluteImpactPercentage());
+        self::assertEquals(100.0, $explain->getRootNode()->getChild(0)->getAbsoluteImpactPercentage());
 
-			//the sum nodes
-		$this->assertEquals(50.0,$explain->getRootNode()->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
-		$this->assertEquals(50.0,$explain->getRootNode()->getChild(0)->getChild(1)->getAbsoluteImpactPercentage());
+        //the sum nodes
+        self::assertEquals(50.0, $explain->getRootNode()->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
+        self::assertEquals(50.0, $explain->getRootNode()->getChild(0)->getChild(1)->getAbsoluteImpactPercentage());
 
-			//the max node
-		$this->assertEquals(50.0,$explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
+        //the max node
+        self::assertEquals(50.0, $explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
 
-			//	0.5044475 + 0.8545628 = 1,3590103
-			// 100 / 1,3590103 = 73,582959599
-			// 0.5044475 * 73,582959599 = 37,118740012 / 2 => 18,559370006
-			// 0.8545628 * 73,582959599 = 62,881259988 / 2 => 31,440629994
+        //	0.5044475 + 0.8545628 = 1,3590103
+        // 100 / 1,3590103 = 73,582959599
+        // 0.5044475 * 73,582959599 = 37,118740012 / 2 => 18,559370006
+        // 0.8545628 * 73,582959599 = 62,881259988 / 2 => 31,440629994
 
-		$this->assertEquals(18.55937000624646,$explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
-		$this->assertEquals(31.440629993753543,$explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(1)->getAbsoluteImpactPercentage());
-		$this->assertEquals(Explain::NODE_TYPE_MAX,$explain->getRootNode()->getChild(0)->getChild(0)->getNodeType());
-	}
+        self::assertEquals(18.55937000624646, $explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
+        self::assertEquals(31.440629993753543, $explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(1)->getAbsoluteImpactPercentage());
+        self::assertEquals(Explain::NODE_TYPE_MAX, $explain->getRootNode()->getChild(0)->getChild(0)->getNodeType());
+    }
 
-	/**
-	 * @test
-	 */
-	public function testFixture002()
+    /**
+     * @test
+     */
+    public function testFixture002()
     {
-		$explain = $this->getExplainFromFixture('3.0.002');
+        $explain = $this->getExplainFromFixture('3.0.002');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals(1.6506158, $explain->getRootNode()->getScore());
-		$this->assertEquals(2, $explain->getChildren()->count());
-	}
+        self::assertNotNull($explain);
+        self::assertEquals(1.6506158, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
+    }
 
-	/**
-	 * @test
-	 */
-	public function testFixture003()
+    /**
+     * @test
+     */
+    public function testFixture003()
     {
-		$explain = $this->getExplainFromFixture('3.0.003');
+        $explain = $this->getExplainFromFixture('3.0.003');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals(36.50278,$explain->getRootNode()->getScore());
-		$this->assertEquals(2, $explain->getChildren()->count());
-	}
+        self::assertNotNull($explain);
+        self::assertEquals(36.50278, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
+    }
 
-	/**
-	 * @test
-	 */
-	public function testFixture004()
+    /**
+     * @test
+     */
+    public function testFixture004()
     {
-		$explain = $this->getExplainFromFixture('3.0.004');
+        $explain = $this->getExplainFromFixture('3.0.004');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals(0.524427,$explain->getRootNode()->getScore());
-		$this->assertEquals(2, $explain->getChildren()->count());
-	}
+        self::assertNotNull($explain);
+        self::assertEquals(0.524427, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
+    }
 
-	/**
-	 * @test
-	 */
-	public function testFixture005()
+    /**
+     * @test
+     */
+    public function testFixture005()
     {
-		$explain = $this->getExplainFromFixture('3.0.005');
+        $explain = $this->getExplainFromFixture('3.0.005');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals(5.8746934,$explain->getRootNode()->getScore());
-		$this->assertEquals(2, $explain->getChildren()->count());
-	}
+        self::assertNotNull($explain);
+        self::assertEquals(5.8746934, $explain->getRootNode()->getScore());
+        self::assertEquals(2, $explain->getChildren()->count());
+    }
 }
diff --git a/Tests/Domain/Result/Explanation/ExplanationSolr40TestCase.php b/Tests/Domain/Result/Explanation/ExplanationSolr40TestCase.php
index b42e0d0..02beb29 100644
--- a/Tests/Domain/Result/Explanation/ExplanationSolr40TestCase.php
+++ b/Tests/Domain/Result/Explanation/ExplanationSolr40TestCase.php
@@ -7,25 +7,24 @@
  */
 class ExplanationSolr40TestCase extends AbstractExplanationTestCase
 {
-
-	/**
-	 * @test
-	 */
-	public function testFixture001()
+    /**
+     * @test
+     */
+    public function testFixture001()
     {
-		$explain = $this->getExplainFromFixture('4.0.001');
+        $explain = $this->getExplainFromFixture('4.0.001');
 
-		$this->assertNotNull($explain);
-		$this->assertEquals(0.6495038, $explain->getRootNode()->getScore());
-		$this->assertEquals(1, $explain->getChildren()->count());
-		$this->assertEquals(0.6495038, $explain->getChild(0)->getScore());
-		$this->assertEquals(3, $explain->getChild(0)->getChildren()->count());
-		$this->assertEquals(1, $explain->getChild(0)->getChild(0)->getChildren()->count());
-		$this->assertEquals(0, $explain->getChild(0)->getChild(1)->getChildren()->count());
-		$this->assertEquals(0, $explain->getChild(0)->getChild(2)->getChildren()->count());
+        self::assertNotNull($explain);
+        self::assertEquals(0.6495038, $explain->getRootNode()->getScore());
+        self::assertEquals(1, $explain->getChildren()->count());
+        self::assertEquals(0.6495038, $explain->getChild(0)->getScore());
+        self::assertEquals(3, $explain->getChild(0)->getChildren()->count());
+        self::assertEquals(1, $explain->getChild(0)->getChild(0)->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(0)->getChild(1)->getChildren()->count());
+        self::assertEquals(0, $explain->getChild(0)->getChild(2)->getChildren()->count());
 
-		//TODO:
-		// $this->assertEquals(4, $explain->getMetaData()->getVersion());
-		// assert_equal('P_164345', explain.metadata[:id])
-	}
-}
\ No newline at end of file
+        //TODO:
+        // $this->assertEquals(4, $explain->getMetaData()->getVersion());
+        // assert_equal('P_164345', explain.metadata[:id])
+    }
+}
diff --git a/Tests/Domain/Result/Explanation/Nodes/MaxTestCase.php b/Tests/Domain/Result/Explanation/Nodes/MaxTestCase.php
index d693949..34557e9 100644
--- a/Tests/Domain/Result/Explanation/Nodes/MaxTestCase.php
+++ b/Tests/Domain/Result/Explanation/Nodes/MaxTestCase.php
@@ -6,13 +6,10 @@
 
 class MaxTestCase extends AbstractExplanationTestCase
 {
-
-	/**
-	 */
-	public function testGetTieBreaker()
+    public function testGetTieBreaker()
     {
-		$maxNode = new \ApacheSolrForTypo3\SolrExplain\Domain\Result\Explanation\Nodes\Max();
-		$maxNode->setContent('8.040816E-4 = (MATCH) max plus 0.7 times others of:');
-		$this->assertEquals(0.7, $maxNode->getTieBreaker());
-	}
-}
\ No newline at end of file
+        $maxNode = new \ApacheSolrForTypo3\SolrExplain\Domain\Result\Explanation\Nodes\Max();
+        $maxNode->setContent('8.040816E-4 = (MATCH) max plus 0.7 times others of:');
+        self::assertEquals(0.7, $maxNode->getTieBreaker());
+    }
+}
diff --git a/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php b/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php
index c43a3f4..e324ccc 100644
--- a/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php
+++ b/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php
@@ -11,105 +11,104 @@
 
 class SummarizeFieldImpactsTestCase extends AbstractExplanationTestCase
 {
+    /**
+     * @return ExplainResult
+     */
+    protected function getExplain($filename)
+    {
+        $fileContent = $this->getFixtureContent($filename . '.txt');
+        $content = new Content($fileContent);
+        $metaData = new MetaData('P_164345', 'auto');
+        $parser = new Parser();
+
+        $parser->injectExplainResult(new ExplainResult());
+        $explain = $parser->parse($content, $metaData);
+
+        return $explain;
+    }
 
-	/**
-	 * @return ExplainResult
-	 */
-	protected function getExplain($filename) {
-		$fileContent = $this->getFixtureContent($filename.".txt");
-		$content = new Content($fileContent);
-		$metaData = new MetaData('P_164345','auto');
-		$parser = new Parser();
-
-		$parser->injectExplainResult(new ExplainResult());
-		$explain = $parser->parse($content,$metaData);
-
-		return $explain;
-	}
-
-	/**
-	 * @test
-	 */
-	public function testCanSummarizeFieldImpactFixture001()
+    /**
+     * @test
+     */
+    public function testCanSummarizeFieldImpactFixture001()
     {
-		$explain = $this->getExplain('3.0.001');
-		$visitor = new SummarizeFieldImpacts();
-		$explain->getRootNode()->visitNodes($visitor);
-
-		$this->assertEquals(100.0,$visitor->getFieldImpact('name'));
-		$this->assertEquals(['name'],$visitor->getRelevantFieldNames());
-	}
-
-	/**
-	 * @test
-	 */
-	public function testCanSummarizeFieldImpactFixture003()
+        $explain = $this->getExplain('3.0.001');
+        $visitor = new SummarizeFieldImpacts();
+        $explain->getRootNode()->visitNodes($visitor);
+
+        self::assertEquals(100.0, $visitor->getFieldImpact('name'));
+        self::assertEquals(['name'], $visitor->getRelevantFieldNames());
+    }
+
+    /**
+     * @test
+     */
+    public function testCanSummarizeFieldImpactFixture003()
     {
-		$explain = $this->getExplain('3.0.003');
-		$visitor = new SummarizeFieldImpacts();
-		$explain->getRootNode()->visitNodes($visitor);
-
-		$this->assertEquals(95.75659716876356,$visitor->getFieldImpact('price'));
-		$this->assertEquals(['name','manu','price'],$visitor->getRelevantFieldNames());
-	}
-
-	/**
-	 * @test
-	 */
-	public function testCanSummarizeFieldImpactFixture004()
+        $explain = $this->getExplain('3.0.003');
+        $visitor = new SummarizeFieldImpacts();
+        $explain->getRootNode()->visitNodes($visitor);
+
+        self::assertEquals(95.75659716876356, $visitor->getFieldImpact('price'));
+        self::assertEquals(['name', 'manu', 'price'], $visitor->getRelevantFieldNames());
+    }
+
+    /**
+     * @test
+     */
+    public function testCanSummarizeFieldImpactFixture004()
     {
-		$explain = $this->getExplain('3.0.004');
-		$visitor = new SummarizeFieldImpacts();
-		$explain->getRootNode()->visitNodes($visitor);
-
-		$this->assertEquals(100.0,$visitor->getFieldImpact('name'));
-		$this->assertEquals(['name','price'],$visitor->getRelevantFieldNames());
-	}
-
-	/**
-	 * @test
-	 */
-	public function testCanSummarizeCustomTieBreakerFixture()
+        $explain = $this->getExplain('3.0.004');
+        $visitor = new SummarizeFieldImpacts();
+        $explain->getRootNode()->visitNodes($visitor);
+
+        self::assertEquals(100.0, $visitor->getFieldImpact('name'));
+        self::assertEquals(['name', 'price'], $visitor->getRelevantFieldNames());
+    }
+
+    /**
+     * @test
+     */
+    public function testCanSummarizeCustomTieBreakerFixture()
     {
-		$explain = $this->getExplain('custom.tieBreaker');
-		$visitor = new SummarizeFieldImpacts();
-		$explain->getRootNode()->visitNodes($visitor);
-
-		$this->assertEquals(['expandedcontent','content','doctype'],$visitor->getRelevantFieldNames());
-		$this->assertEquals(47.9,round($visitor->getFieldImpact('doctype'),1));
-		$this->assertEquals(47.9,round($visitor->getFieldImpact('expandedcontent'),1));
-		$this->assertEquals(4.2,round($visitor->getFieldImpact('content'),1));
-	}
-
-	/**
-	 * @test
-	 */
-	public function testCanSummarizeCustomTieBreaker2Fixture()
+        $explain = $this->getExplain('custom.tieBreaker');
+        $visitor = new SummarizeFieldImpacts();
+        $explain->getRootNode()->visitNodes($visitor);
+
+        self::assertEquals(['expandedcontent', 'content', 'doctype'], $visitor->getRelevantFieldNames());
+        self::assertEquals(47.9, round($visitor->getFieldImpact('doctype'), 1));
+        self::assertEquals(47.9, round($visitor->getFieldImpact('expandedcontent'), 1));
+        self::assertEquals(4.2, round($visitor->getFieldImpact('content'), 1));
+    }
+
+    /**
+     * @test
+     */
+    public function testCanSummarizeCustomTieBreaker2Fixture()
     {
-		$explain = $this->getExplain('custom.tieBreaker2');
-		$visitor = new SummarizeFieldImpacts();
-		$explain->getRootNode()->visitNodes($visitor);
-
-		$this->assertEquals(['pr_title','doctype'],$visitor->getRelevantFieldNames());
-		$this->assertEquals(0.07,round($visitor->getFieldImpact('doctype'),2));
-		$this->assertEquals(99.93,round($visitor->getFieldImpact('pr_title'),2));
-	}
-
-
-	/**
-	 * @test
-	 */
-	public function testCanSummarizeCustomTieBreaker3Fixture()
+        $explain = $this->getExplain('custom.tieBreaker2');
+        $visitor = new SummarizeFieldImpacts();
+        $explain->getRootNode()->visitNodes($visitor);
+
+        self::assertEquals(['pr_title', 'doctype'], $visitor->getRelevantFieldNames());
+        self::assertEquals(0.07, round($visitor->getFieldImpact('doctype'), 2));
+        self::assertEquals(99.93, round($visitor->getFieldImpact('pr_title'), 2));
+    }
+
+    /**
+     * @test
+     */
+    public function testCanSummarizeCustomTieBreaker3Fixture()
     {
-		$explain = $this->getExplain('custom.tieBreaker3');
-		$visitor = new SummarizeFieldImpacts();
-		$explain->getRootNode()->visitNodes($visitor);
-
-		$this->assertEquals(['keywords','expandedcontent','content','description','doctype'],$visitor->getRelevantFieldNames());
-		$this->assertEquals(0.00,round($visitor->getFieldImpact('keywords'),2));
-		$this->assertEquals(7.55,round($visitor->getFieldImpact('expandedcontent'),2));
-		$this->assertEquals(4.72,round($visitor->getFieldImpact('content'),2));
-		$this->assertEquals(85.64,round($visitor->getFieldImpact('description'),2));
-		$this->assertEquals(2.09, round($visitor->getFieldImpact('doctype'),2));
-	}
+        $explain = $this->getExplain('custom.tieBreaker3');
+        $visitor = new SummarizeFieldImpacts();
+        $explain->getRootNode()->visitNodes($visitor);
+
+        self::assertEquals(['keywords', 'expandedcontent', 'content', 'description', 'doctype'], $visitor->getRelevantFieldNames());
+        self::assertEquals(0.00, round($visitor->getFieldImpact('keywords'), 2));
+        self::assertEquals(7.55, round($visitor->getFieldImpact('expandedcontent'), 2));
+        self::assertEquals(4.72, round($visitor->getFieldImpact('content'), 2));
+        self::assertEquals(85.64, round($visitor->getFieldImpact('description'), 2));
+        self::assertEquals(2.09, round($visitor->getFieldImpact('doctype'), 2));
+    }
 }
diff --git a/Tests/Domain/Result/Explanation/Visitors/SummarizeLeafImpactsTestCase.php b/Tests/Domain/Result/Explanation/Visitors/SummarizeLeafImpactsTestCase.php
index 1507702..a6ceb42 100644
--- a/Tests/Domain/Result/Explanation/Visitors/SummarizeLeafImpactsTestCase.php
+++ b/Tests/Domain/Result/Explanation/Visitors/SummarizeLeafImpactsTestCase.php
@@ -7,87 +7,84 @@
 use ApacheSolrForTypo3\SolrExplain\Domain\Result\Explanation\MetaData;
 use ApacheSolrForTypo3\SolrExplain\Domain\Result\Explanation\Parser;
 use ApacheSolrForTypo3\SolrExplain\Domain\Result\Explanation\Visitors\SummarizeLeafImpacts;
-use ApacheSolrForTypo3\SolrExplain\Tests\Domain\Result\Explanation\AbstractExplanationTestCase;
 
 class SummarizeLeafImpactsTestCase extends AbstractExplanationTestCase
 {
-
-	/**
-	 * @return ExplainResult
-	 */
-	protected function getExplain($filename)
+    /**
+     * @return ExplainResult
+     */
+    protected function getExplain($filename)
     {
-		$fileContent = $this->getFixtureContent($filename.".txt");
-		$content = new Content($fileContent);
-		$metaData = new MetaData('P_164345','auto');
-		$parser = new Parser();
+        $fileContent = $this->getFixtureContent($filename . '.txt');
+        $content = new Content($fileContent);
+        $metaData = new MetaData('P_164345', 'auto');
+        $parser = new Parser();
 
-		$parser->injectExplainResult(new ExplainResult());
-		$explain = $parser->parse($content,$metaData);
+        $parser->injectExplainResult(new ExplainResult());
+        $explain = $parser->parse($content, $metaData);
 
-		return $explain;
-	}
+        return $explain;
+    }
 
-	/**
-	 * @return array
-	 */
-	public function leafSumFixtureNameDataProvider()
+    /**
+     * @return array
+     */
+    public function leafSumFixtureNameDataProvider()
     {
-		return [
-			['3.0.001'],
-			['3.0.002'],
-			['3.0.003'],
-			['3.0.004'],
-			['3.0.005'],
-			['3.4.001'],
-			['3.4.002'],
-			['3.4.003'],
-			['3.4.004'],
-			['3.4.005'],
-			['3.4.006'],
-			['3.4.007'],
-			['3.4.008'],
-			['3.4.009'],
-			['3.4.010'],
-			['3.4.011'],
-			['3.4.012'],
-			['3.4.013'],
-			['3.4.014'],
-			['3.4.015'],
-			['3.4.016'],
-			['3.4.017'],
-				//contains invalid content therefore no overall impact of 100 expected
-			['3.4.018',0.0],
-			['3.4.019'],
-			['3.4.020'],
-			['3.4.021'],
-			['3.4.022'],
-			['3.4.023'],
-			['3.4.024'],
-			['3.4.025'],
-			['3.4.026'],
-			['3.4.027'],
-			['3.4.028'],
-			['4.0.001'],
-			['complex'],
-			['custom.tieBreaker']
+        return [
+            ['3.0.001'],
+            ['3.0.002'],
+            ['3.0.003'],
+            ['3.0.004'],
+            ['3.0.005'],
+            ['3.4.001'],
+            ['3.4.002'],
+            ['3.4.003'],
+            ['3.4.004'],
+            ['3.4.005'],
+            ['3.4.006'],
+            ['3.4.007'],
+            ['3.4.008'],
+            ['3.4.009'],
+            ['3.4.010'],
+            ['3.4.011'],
+            ['3.4.012'],
+            ['3.4.013'],
+            ['3.4.014'],
+            ['3.4.015'],
+            ['3.4.016'],
+            ['3.4.017'],
+                //contains invalid content therefore no overall impact of 100 expected
+            ['3.4.018', 0.0],
+            ['3.4.019'],
+            ['3.4.020'],
+            ['3.4.021'],
+            ['3.4.022'],
+            ['3.4.023'],
+            ['3.4.024'],
+            ['3.4.025'],
+            ['3.4.026'],
+            ['3.4.027'],
+            ['3.4.028'],
+            ['4.0.001'],
+            ['complex'],
+            ['custom.tieBreaker'],
         ];
-	}
+    }
 
-	/**
-	 * The sum for all leaf impacts in percetage should be 100%.
-	 *
-	 * This testcase is used to test this for some fixture files.
-	 *
-	 * @test
-	 * @dataProvider leafSumFixtureNameDataProvider
-	 */
-	public function verifyFixtureLeafImpactSum($fixtureName, $expectedImpactSum = 100)
+    /**
+     * The sum for all leaf impacts in percetage should be 100%.
+     *
+     * This testcase is used to test this for some fixture files.
+     *
+     * @test
+     * @dataProvider leafSumFixtureNameDataProvider
+     */
+    public function verifyFixtureLeafImpactSum($fixtureName, $expectedImpactSum = 100)
     {
-		$explain = $this->getExplain($fixtureName);
-		$visitor = new SummarizeLeafImpacts();
-		$explain->getRootNode()->visitNodes($visitor);
-		$this->assertEquals($expectedImpactSum, $visitor->getSum());
-	}
-
-}
\ No newline at end of file
+        $explain = $this->getExplain($fixtureName);
+        $visitor = new SummarizeLeafImpacts();
+        $explain->getRootNode()->visitNodes($visitor);
+        self::assertEquals($expectedImpactSum, $visitor->getSum());
+    }
+}
diff --git a/Tests/Domain/Result/ParserTestCase.php b/Tests/Domain/Result/ParserTestCase.php
index aab3daf..2c43b5b 100644
--- a/Tests/Domain/Result/ParserTestCase.php
+++ b/Tests/Domain/Result/ParserTestCase.php
@@ -1,4 +1,5 @@
 <?php
+
 use ApacheSolrForTypo3\SolrExplain\Domain\Result\Parser;
 use ApacheSolrForTypo3\SolrExplain\Tests\AbstractSolrTest;
 
@@ -8,65 +9,65 @@
  */
 class ParserTestCase extends AbstractSolrTest
 {
-
-	/**
-	 * @test
-	 */
-	public function testFixture001()
+    /**
+     * @test
+     */
+    public function testFixture001()
     {
-		$content = $this->getFixtureContent("3.4.001.xml");
-		$parser = new Parser();
-		$result = $parser->parse($content);
+        $content = $this->getFixtureContent('3.4.001.xml');
+        $parser = new Parser();
+        $result = $parser->parse($content);
 
-		$this->assertEquals(17, $result->getCompleteResultCount());
-		$this->assertEquals(9, $result->getQueryTime());
-		$this->assertEquals(10, $result->getResultCount());
+        self::assertEquals(17, $result->getCompleteResultCount());
+        self::assertEquals(9, $result->getQueryTime());
+        self::assertEquals(10, $result->getResultCount());
 
-		$this->assertEquals("GB18030TEST",
-			$result->getDocumentCollection()->getDocument(0)->getFieldByName('id')->getValue()
-		);
+        self::assertEquals(
+            'GB18030TEST',
+            $result->getDocumentCollection()->getDocument(0)->getFieldByName('id')->getValue()
+        );
 
-		$this->assertEquals(
-            ['electronics','hard drive'],
-			$result->getDocumentCollection()->getDocument(1)->getFieldByName('cat')->getValue()
-		);
+        self::assertEquals(
+            ['electronics', 'hard drive'],
+            $result->getDocumentCollection()->getDocument(1)->getFieldByName('cat')->getValue()
+        );
 
-		$expectedExplain = PHP_EOL.'1.0 = (MATCH) MatchAllDocsQuery, product of:'.PHP_EOL.'  1.0 = queryNorm'.PHP_EOL;
-		$actualExplain = $result->getDocumentCollection()->getDocument(9)->getRawExplainData();
-		$this->assertEquals($expectedExplain, $actualExplain);
-	}
+        $expectedExplain = PHP_EOL . '1.0 = (MATCH) MatchAllDocsQuery, product of:' . PHP_EOL . '  1.0 = queryNorm' . PHP_EOL;
+        $actualExplain = $result->getDocumentCollection()->getDocument(9)->getRawExplainData();
+        self::assertEquals($expectedExplain, $actualExplain);
+    }
 
-	/**
-	 * @test
-	 */
-	public function testFixture004()
+    /**
+     * @test
+     */
+    public function testFixture004()
     {
-		$content = $this->getFixtureContent("3.4.004.xml");
-		$parser = new Parser();
-		$result = $parser->parse($content);
+        $content = $this->getFixtureContent('3.4.004.xml');
+        $parser = new Parser();
+        $result = $parser->parse($content);
 
-		$this->assertEquals(2, $result->getQueryTime());
-		$this->assertEquals(10, $result->getResultCount());
+        self::assertEquals(2, $result->getQueryTime());
+        self::assertEquals(10, $result->getResultCount());
 
-		$expectedExplain4 	= PHP_EOL."4.0 = (MATCH) MatchAllDocsQuery, product of:".PHP_EOL."  4.0 = queryNorm".PHP_EOL;
-		$actualExplain 		= $result->getDocumentCollection()->getDocument(3)->getRawExplainData();
+        $expectedExplain4 	= PHP_EOL . '4.0 = (MATCH) MatchAllDocsQuery, product of:' . PHP_EOL . '  4.0 = queryNorm' . PHP_EOL;
+        $actualExplain 		= $result->getDocumentCollection()->getDocument(3)->getRawExplainData();
 
-		$this->assertEquals($expectedExplain4, $actualExplain);
-		$this->assertEquals(2.0, $result->getTiming()->getTimeSpend());
-		$this->assertEquals(6, $result->getTiming()->getProcessingItems()->count());
-	}
+        self::assertEquals($expectedExplain4, $actualExplain);
+        self::assertEquals(2.0, $result->getTiming()->getTimeSpend());
+        self::assertEquals(6, $result->getTiming()->getProcessingItems()->count());
+    }
 
-	/**
-	 * @test
-	 */
-	public function testFixtureSolr4010()
+    /**
+     * @test
+     */
+    public function testFixtureSolr4010()
     {
-		$content = $this->getFixtureContent("4.0.010.xml");
-		$parser = new Parser();
-		$result = $parser->parse($content);
+        $content = $this->getFixtureContent('4.0.010.xml');
+        $parser = new Parser();
+        $result = $parser->parse($content);
 
-		$this->assertEquals(3, $result->getResultCount());
-		$this->assertEquals(4, $result->getTiming()->getTimeSpend());
-		$this->assertEquals("LuceneQParser",$result->getQueryParser());
-	}
-}
\ No newline at end of file
+        self::assertEquals(3, $result->getResultCount());
+        self::assertEquals(4, $result->getTiming()->getTimeSpend());
+        self::assertEquals('LuceneQParser', $result->getQueryParser());
+    }
+}
diff --git a/Tests/Domain/Result/Timing/ItemTestCase.php b/Tests/Domain/Result/Timing/ItemTestCase.php
index 39266e1..a9676bb 100644
--- a/Tests/Domain/Result/Timing/ItemTestCase.php
+++ b/Tests/Domain/Result/Timing/ItemTestCase.php
@@ -5,27 +5,23 @@
 
 class ItemTestCase extends AbstractSolrTest
 {
+    /**
+     * @var Item
+     */
+    protected $timingItem;
 
-	/**
-	 * @var Item
-	 */
-	protected $timingItem;
-
-	/**
-	 * @return void
-	 */
     protected function setUp(): void
     {
-		$this->timingItem = new Item();
-	}
+        $this->timingItem = new Item();
+    }
 
-	/**
-	 * @test
-	 */
-	public function testSetTimeSpend()
+    /**
+     * @test
+     */
+    public function testSetTimeSpend()
     {
-		$this->assertEquals(0.0, $this->timingItem->getTimeSpend());
-		$this->timingItem->setTimeSpend(1.0);
-		$this->assertEquals(1.0, $this->timingItem->getTimeSpend());
-	}
-}
\ No newline at end of file
+        self::assertEquals(0.0, $this->timingItem->getTimeSpend());
+        $this->timingItem->setTimeSpend(1.0);
+        self::assertEquals(1.0, $this->timingItem->getTimeSpend());
+    }
+}