wikimedia / mediawiki-extensions-WikibaseQualityExternalValidation

includes/Serializer/SerializerFactory.php

Spacing +3 added lines, -3 removed lines

@@ -25,7 +25,7 @@ 
 	 * @param Serializer $dataValueSerializer
 	 * @param Serializer $referenceSerializer
 	 */
-	public function __construct( Serializer $dataValueSerializer, Serializer $referenceSerializer ) {
+	public function __construct(Serializer $dataValueSerializer, Serializer $referenceSerializer) {
 		$this->dataValueSerializer = $dataValueSerializer;
 		$this->referenceSerializer = $referenceSerializer;
 	}
@@ -47,7 +47,7 @@ 
 	 * @return Serializer
 	 */
 	public function newComparisonResultSerializer() {
-		return new ComparisonResultSerializer( $this->dataValueSerializer );
+		return new ComparisonResultSerializer($this->dataValueSerializer);
 	}
 
 	/**
@@ -78,7 +78,7 @@ 
 	 * @return Serializer
 	 */
 	public function newReferenceResultSerializer() {
-		return new ReferenceResultSerializer( $this->referenceSerializer );
+		return new ReferenceResultSerializer($this->referenceSerializer);
 	}
 
 }

includes/UpdateExternalData/CsvImportSettings.php

Spacing +5 added lines, -5 removed lines

@@ -43,11 +43,11 @@
 	 * @param int $batchSize
 	 * @param bool $quiet
 	 */
-	public function __construct( $externalValuesFilePath, $dumpInformationFilePath, $batchSize, $quiet = false ) {
-		Assert::parameterType( 'string', $externalValuesFilePath, '$externalValuesFilePath' );
-		Assert::parameterType( 'string', $dumpInformationFilePath, '$dumpInformationFilePath' );
-		Assert::parameterType( 'integer', $batchSize, '$batchSize' );
-		Assert::parameterType( 'boolean', $quiet, '$quiet' );
+	public function __construct($externalValuesFilePath, $dumpInformationFilePath, $batchSize, $quiet = false) {
+		Assert::parameterType('string', $externalValuesFilePath, '$externalValuesFilePath');
+		Assert::parameterType('string', $dumpInformationFilePath, '$dumpInformationFilePath');
+		Assert::parameterType('integer', $batchSize, '$batchSize');
+		Assert::parameterType('boolean', $quiet, '$quiet');
 
 		$this->externalValuesFilePath = $externalValuesFilePath;
 		$this->dumpInformationFilePath = $dumpInformationFilePath;

includes/Serializer/DumpMetaInformationSerializer.php

Spacing +8 added lines, -8 removed lines

@@ -21,7 +21,7 @@ 
 	 *
 	 * @return bool
 	 */
-	public function isSerializerFor( $object ) {
+	public function isSerializerFor($object) {
 		return $object instanceof DumpMetaInformation;
 	}
 
@@ -33,32 +33,32 @@ 
 	 * @return array
 	 * @throws UnsupportedObjectException
 	 */
-	public function serialize( $object ) {
-		if ( !$this->isSerializerFor( $object ) ) {
+	public function serialize($object) {
+		if (!$this->isSerializerFor($object)) {
 			throw new UnsupportedObjectException(
 				$object,
 				'DumpMetaInformationSerializer can only serialize DumpMetaInformation objects.'
 			);
 		}
 
-		return $this->getSerialized( $object );
+		return $this->getSerialized($object);
 	}
 
-	private function getSerialized( DumpMetaInformation $dumpMetaInformation ) {
+	private function getSerialized(DumpMetaInformation $dumpMetaInformation) {
 		$identifierPropertyIds = array_map(
-			function( PropertyId $id ) {
+			function(PropertyId $id) {
 				return $id->getSerialization();
 			},
 			$dumpMetaInformation->getIdentifierPropertyIds()
 		);
 
-		$this->setIndexedTagName( $identifierPropertyIds, 'propertyId' );
+		$this->setIndexedTagName($identifierPropertyIds, 'propertyId');
 
 		return array(
 			'dumpId' => $dumpMetaInformation->getDumpId(),
 			'sourceItemId' => $dumpMetaInformation->getSourceItemId()->getSerialization(),
 			'identifierPropertyIds' => $identifierPropertyIds,
-			'importDate' => wfTimestamp( TS_ISO_8601, $dumpMetaInformation->getImportDate() ),
+			'importDate' => wfTimestamp(TS_ISO_8601, $dumpMetaInformation->getImportDate()),
 			'language' => $dumpMetaInformation->getLanguageCode(),
 			'sourceUrl' => $dumpMetaInformation->getSourceUrl(),
 			'size' => $dumpMetaInformation->getSize(),

includes/CrossCheck/Result/CrossCheckResultList.php

Spacing +13 added lines, -13 removed lines

@@ -26,8 +26,8 @@ 
 	 *
 	 * @throws InvalidArgumentException
 	 */
-	public function __construct( array $results = array() ) {
-		Assert::parameterElementType( CrossCheckResult::class, $results, '$results' );
+	public function __construct(array $results = array()) {
+		Assert::parameterElementType(CrossCheckResult::class, $results, '$results');
 
 		$this->results = $results;
 	}
@@ -37,7 +37,7 @@ 
 	 *
 	 * @param CrossCheckResult $result
 	 */
-	public function add( CrossCheckResult $result ) {
+	public function add(CrossCheckResult $result) {
 		$this->results[] = $result;
 	}
 
@@ -46,8 +46,8 @@ 
 	 *
 	 * @param self $resultList
 	 */
-	public function merge( self $resultList ) {
-		$this->results = array_merge( $this->results, $resultList->results );
+	public function merge(self $resultList) {
+		$this->results = array_merge($this->results, $resultList->results);
 	}
 
 	/**
@@ -58,9 +58,9 @@ 
 	public function getPropertyIds() {
 		$propertyIds = array();
 
-		foreach ( $this->results as $result ) {
+		foreach ($this->results as $result) {
 			$propertyId = $result->getPropertyId();
-			if ( !in_array( $propertyId, $propertyIds ) ) {
+			if (!in_array($propertyId, $propertyIds)) {
 				$propertyIds[] = $propertyId;
 			}
 		}
@@ -75,16 +75,16 @@ 
 	 *
 	 * @return self
 	 */
-	public function getByPropertyId( PropertyId $propertyId ) {
+	public function getByPropertyId(PropertyId $propertyId) {
 		$results = array();
 
-		foreach ( $this->results as $result ) {
-			if ( $result->getPropertyId()->equals( $propertyId ) ) {
+		foreach ($this->results as $result) {
+			if ($result->getPropertyId()->equals($propertyId)) {
 				$results[] = $result;
 			}
 		}
 
-		return new self( $results );
+		return new self($results);
 	}
 
 	/**
@@ -103,7 +103,7 @@ 
 	 * @codeCoverageIgnore
 	 */
 	public function getIterator() {
-		return new ArrayIterator( $this->results );
+		return new ArrayIterator($this->results);
 	}
 
 	/**
@@ -112,7 +112,7 @@ 
 	 * @return int
 	 */
 	public function count() {
-		return count( $this->results );
+		return count($this->results);
 	}
 
 }

includes/CrossCheck/Result/ComparisonResult.php

Spacing +8 added lines, -8 removed lines

@@ -45,12 +45,12 @@ 
 	 *
 	 * @throws InvalidArgumentException
 	 */
-	public function __construct( DataValue $localValue, array $externalValues, $status ) {
-		Assert::parameterElementType( DataValue::class, $externalValues, '$externalValues' );
+	public function __construct(DataValue $localValue, array $externalValues, $status) {
+		Assert::parameterElementType(DataValue::class, $externalValues, '$externalValues');
 
 		$this->localValue = $localValue;
 		$this->externalValues = $externalValues;
-		$this->setStatus( $status );
+		$this->setStatus($status);
 	}
 
 	/**
@@ -79,14 +79,14 @@ 
 	 *
 	 * @throws InvalidArgumentException
 	 */
-	private function setStatus( $status ) {
-		Assert::parameterType( 'string', $status, '$status' );
-		if ( !in_array(
+	private function setStatus($status) {
+		Assert::parameterType('string', $status, '$status');
+		if (!in_array(
 			$status,
-			array( self::STATUS_MATCH, self::STATUS_PARTIAL_MATCH, self::STATUS_MISMATCH )
+			array(self::STATUS_MATCH, self::STATUS_PARTIAL_MATCH, self::STATUS_MISMATCH)
 		)
 		) {
-			throw new InvalidArgumentException( '$status must be one of the status constants.' );
+			throw new InvalidArgumentException('$status must be one of the status constants.');
 		}
 
 		$this->status = $status;

includes/CrossCheck/Comparer/EntityIdValueComparer.php

Spacing +11 added lines, -11 removed lines

@@ -32,7 +32,7 @@ 
 	 * @param TermIndex $termIndex
 	 * @param StringComparer $stringComparer
 	 */
-	public function __construct( TermIndex $termIndex, StringComparer $stringComparer ) {
+	public function __construct(TermIndex $termIndex, StringComparer $stringComparer) {
 		$this->termIndex = $termIndex;
 		$this->stringComparer = $stringComparer;
 	}
@@ -45,9 +45,9 @@ 
 	 *
 	 * @return string|null One of the ComparisonResult::STATUS_... constants.
 	 */
-	public function compare( DataValue $value, DataValue $comparativeValue ) {
-		Assert::parameterType( EntityIdValue::class, $value, '$value' );
-		Assert::parameterType( MonolingualTextValue::class, $comparativeValue, '$comparativeValue' );
+	public function compare(DataValue $value, DataValue $comparativeValue) {
+		Assert::parameterType(EntityIdValue::class, $value, '$value');
+		Assert::parameterType(MonolingualTextValue::class, $comparativeValue, '$comparativeValue');
 
 		/**
 		 * @var EntityIdValue $value
@@ -56,10 +56,10 @@ 
 
 		$entityId = $value->getEntityId();
 		$language = $comparativeValue->getLanguageCode();
-		$terms = $this->getTerms( $entityId, $language );
+		$terms = $this->getTerms($entityId, $language);
 
-		if ( $terms ) {
-			return $this->stringComparer->compareWithArray( $comparativeValue->getText(), $terms );
+		if ($terms) {
+			return $this->stringComparer->compareWithArray($comparativeValue->getText(), $terms);
 		}
 
 		return null;
@@ -73,18 +73,18 @@ 
 	 *
 	 * @return array
 	 */
-	private function getTerms( EntityId $entityId, $language ) {
+	private function getTerms(EntityId $entityId, $language) {
 		$terms = $this->termIndex->getTermsOfEntity(
 			$entityId,
 			array(
 				TermIndexEntry::TYPE_LABEL,
 				TermIndexEntry::TYPE_ALIAS
 			),
-			array( $language )
+			array($language)
 		);
 
 		return array_map(
-			function( TermIndexEntry $term ) {
+			function(TermIndexEntry $term) {
 				return $term->getText();
 			},
 			$terms
@@ -98,7 +98,7 @@ 
 	 * @param DataValue $comparativeValue
 	 * @return bool
 	 */
-	public function canCompare( DataValue $value, DataValue $comparativeValue ) {
+	public function canCompare(DataValue $value, DataValue $comparativeValue) {
 		return $value instanceof EntityIdValue && $comparativeValue instanceof MonolingualTextValue;
 	}
 

includes/CrossCheck/CrossCheckInteractor.php

Spacing +62 added lines, -62 removed lines

@@ -43,7 +43,7 @@ 
 	 * @param StatementGuidParser $statementGuidParser
 	 * @param CrossChecker $crossChecker
 	 */
-	public function __construct( EntityLookup $entityLookup, StatementGuidParser $statementGuidParser, CrossChecker $crossChecker ) {
+	public function __construct(EntityLookup $entityLookup, StatementGuidParser $statementGuidParser, CrossChecker $crossChecker) {
 		$this->entityLookup = $entityLookup;
 		$this->statementGuidParser = $statementGuidParser;
 		$this->crossChecker = $crossChecker;
@@ -56,11 +56,11 @@ 
 	 *
 	 * @return CrossCheckResultList|null
 	 */
-	public function crossCheckEntityById( EntityId $entityId ) {
-		$entity = $this->entityLookup->getEntity( $entityId );
+	public function crossCheckEntityById(EntityId $entityId) {
+		$entity = $this->entityLookup->getEntity($entityId);
 
-		if ( $entity instanceof StatementListProvider ) {
-			return $this->crossCheckStatements( $entity->getStatements() );
+		if ($entity instanceof StatementListProvider) {
+			return $this->crossCheckStatements($entity->getStatements());
 		}
 
 		return null;
@@ -73,12 +73,12 @@ 
 	 *
 	 * @return CrossCheckResultList[]
 	 */
-	public function crossCheckEntitiesByIds( array $entityIds ) {
-		Assert::parameterElementType( EntityId::class,  $entityIds, '$entityIds' );
+	public function crossCheckEntitiesByIds(array $entityIds) {
+		Assert::parameterElementType(EntityId::class, $entityIds, '$entityIds');
 
 		$results = array();
-		foreach ( $entityIds as $entityId ) {
-			$results[$entityId->getSerialization()] = $this->crossCheckEntityById( $entityId );
+		foreach ($entityIds as $entityId) {
+			$results[$entityId->getSerialization()] = $this->crossCheckEntityById($entityId);
 		}
 
 		return $results;
@@ -91,8 +91,8 @@ 
 	 *
 	 * @return CrossCheckResultList
 	 */
-	public function crossCheckStatements( StatementList $statements ) {
-		return $this->crossChecker->crossCheckStatements( $statements, $statements );
+	public function crossCheckStatements(StatementList $statements) {
+		return $this->crossChecker->crossCheckStatements($statements, $statements);
 	}
 
 	/**
@@ -103,14 +103,14 @@ 
 	 * @return CrossCheckResultList[]
 	 * @throws InvalidArgumentException
 	 */
-	public function crossCheckEntities( array $entities ) {
-		Assert::parameterElementType( EntityDocument::class,  $entities, '$entities' );
+	public function crossCheckEntities(array $entities) {
+		Assert::parameterElementType(EntityDocument::class, $entities, '$entities');
 
 		$results = array();
-		foreach ( $entities as $entity ) {
+		foreach ($entities as $entity) {
 			$entityId = $entity->getId()->getSerialization();
-			if ( $entity instanceof StatementListProvider ) {
-				$results[$entityId] = $this->crossCheckStatements( $entity->getStatements() );
+			if ($entity instanceof StatementListProvider) {
+				$results[$entityId] = $this->crossCheckStatements($entity->getStatements());
 			}
 		}
 
@@ -126,13 +126,13 @@ 
 	 * @return CrossCheckResultList|null
 	 * @throws InvalidArgumentException
 	 */
-	public function crossCheckEntityByIdWithProperties( EntityId $entityId, array $propertyIds ) {
-		Assert::parameterElementType( PropertyId::class,  $propertyIds, '$propertyIds' );
+	public function crossCheckEntityByIdWithProperties(EntityId $entityId, array $propertyIds) {
+		Assert::parameterElementType(PropertyId::class, $propertyIds, '$propertyIds');
 
-		$entity = $this->entityLookup->getEntity( $entityId );
+		$entity = $this->entityLookup->getEntity($entityId);
 
-		if ( $entity instanceof StatementListProvider ) {
-			return $this->crossCheckStatementsWithProperties( $entity->getStatements(), $propertyIds );
+		if ($entity instanceof StatementListProvider) {
+			return $this->crossCheckStatementsWithProperties($entity->getStatements(), $propertyIds);
 		}
 
 		return null;
@@ -147,13 +147,13 @@ 
 	 * @return CrossCheckResultList[]
 	 * @throws InvalidArgumentException
 	 */
-	public function crossCheckEntitiesByIdWithProperties( array $entityIds, array $propertyIds ) {
-		Assert::parameterElementType( EntityId::class,  $entityIds, '$entityIds' );
-		Assert::parameterElementType( PropertyId::class,  $propertyIds, '$propertyIds' );
+	public function crossCheckEntitiesByIdWithProperties(array $entityIds, array $propertyIds) {
+		Assert::parameterElementType(EntityId::class, $entityIds, '$entityIds');
+		Assert::parameterElementType(PropertyId::class, $propertyIds, '$propertyIds');
 
 		$results = array();
-		foreach ( $entityIds as $entityId ) {
-			$results[$entityId->getSerialization()] = $this->crossCheckEntityByIdWithProperties( $entityId, $propertyIds );
+		foreach ($entityIds as $entityId) {
+			$results[$entityId->getSerialization()] = $this->crossCheckEntityByIdWithProperties($entityId, $propertyIds);
 		}
 
 		return $results;
@@ -168,17 +168,17 @@ 
 	 * @return CrossCheckResultList
 	 * @throws InvalidArgumentException
 	 */
-	public function crossCheckStatementsWithProperties( StatementList $entityStatements, array $propertyIds ) {
-		Assert::parameterElementType( PropertyId::class,  $propertyIds, '$propertyIds' );
+	public function crossCheckStatementsWithProperties(StatementList $entityStatements, array $propertyIds) {
+		Assert::parameterElementType(PropertyId::class, $propertyIds, '$propertyIds');
 
 		$statements = new StatementList();
-		foreach ( $entityStatements->toArray() as $statement ) {
-			if ( in_array( $statement->getPropertyId(), $propertyIds ) ) {
-				$statements->addStatement( $statement );
+		foreach ($entityStatements->toArray() as $statement) {
+			if (in_array($statement->getPropertyId(), $propertyIds)) {
+				$statements->addStatement($statement);
 			}
 		}
 
-		return $this->crossChecker->crossCheckStatements( $entityStatements, $statements );
+		return $this->crossChecker->crossCheckStatements($entityStatements, $statements);
 	}
 
 	/**
@@ -190,14 +190,14 @@ 
 	 * @return CrossCheckResultList[]
 	 * @throws InvalidArgumentException
 	 */
-	public function crossCheckEntitiesWithProperties( array $entities, array $propertyIds ) {
-		Assert::parameterElementType( EntityDocument::class,  $entities, '$entities' );
-		Assert::parameterElementType( PropertyId::class,  $propertyIds, '$propertyIds' );
+	public function crossCheckEntitiesWithProperties(array $entities, array $propertyIds) {
+		Assert::parameterElementType(EntityDocument::class, $entities, '$entities');
+		Assert::parameterElementType(PropertyId::class, $propertyIds, '$propertyIds');
 
 		$results = array();
-		foreach ( $entities as $entity ) {
+		foreach ($entities as $entity) {
 			$entityId = $entity->getId()->getSerialization();
-			if ( $entity instanceof StatementListProvider ) {
+			if ($entity instanceof StatementListProvider) {
 				$results[$entityId] = $this->crossCheckStatementsWithProperties(
 					$entity->getStatements(),
 					$propertyIds
@@ -216,12 +216,12 @@ 
 	 * @return CrossCheckResultList
 	 * @throws InvalidArgumentException
 	 */
-	public function crossCheckStatementByGuid( $guid ) {
-		$this->assertIsString( $guid, '$guid' );
+	public function crossCheckStatementByGuid($guid) {
+		$this->assertIsString($guid, '$guid');
 
-		$resultList = $this->crossCheckStatementsByGuids( array( $guid ) );
+		$resultList = $this->crossCheckStatementsByGuids(array($guid));
 
-		return reset( $resultList );
+		return reset($resultList);
 	}
 
 	/**
@@ -232,21 +232,21 @@ 
 	 * @return CrossCheckResultList[]
 	 * @throws InvalidArgumentException
 	 */
-	public function crossCheckStatementsByGuids( array $guids ) {
-		$this->assertIsArrayOfStrings( $guids, '$guids' );
+	public function crossCheckStatementsByGuids(array $guids) {
+		$this->assertIsArrayOfStrings($guids, '$guids');
 
 		$entityIds = array();
 		$groupedStatementGuids = array();
-		foreach ( $guids as $guid ) {
-			$serializedEntityId = $this->statementGuidParser->parse( $guid )->getEntityId();
+		foreach ($guids as $guid) {
+			$serializedEntityId = $this->statementGuidParser->parse($guid)->getEntityId();
 			$entityIds[$serializedEntityId->getSerialization()] = $serializedEntityId;
 			$groupedStatementGuids[$serializedEntityId->getSerialization()][] = $guid;
 		}
 
 		$resultLists = array();
-		foreach ( $groupedStatementGuids as $serializedEntityId => $guidsOfEntity ) {
-			$entityId = $entityIds[ $serializedEntityId ];
-			$resultLists[ $serializedEntityId ] = $this->crossCheckClaimsOfEntity( $entityId, $guidsOfEntity );
+		foreach ($groupedStatementGuids as $serializedEntityId => $guidsOfEntity) {
+			$entityId = $entityIds[$serializedEntityId];
+			$resultLists[$serializedEntityId] = $this->crossCheckClaimsOfEntity($entityId, $guidsOfEntity);
 		}
 
 		return $resultLists;
@@ -258,18 +258,18 @@ 
 	 *
 	 * @return CrossCheckResultList|null
 	 */
-	private function crossCheckClaimsOfEntity( EntityId $entityId, array $guids ) {
-		$entity = $this->entityLookup->getEntity( $entityId );
+	private function crossCheckClaimsOfEntity(EntityId $entityId, array $guids) {
+		$entity = $this->entityLookup->getEntity($entityId);
 
-		if ( $entity instanceof StatementListProvider ) {
+		if ($entity instanceof StatementListProvider) {
 			$statements = new StatementList();
-			foreach ( $entity->getStatements()->toArray() as $statement ) {
-				if ( in_array( $statement->getGuid(), $guids ) ) {
-					$statements->addStatement( $statement );
+			foreach ($entity->getStatements()->toArray() as $statement) {
+				if (in_array($statement->getGuid(), $guids)) {
+					$statements->addStatement($statement);
 				}
 			}
 
-			return $this->crossChecker->crossCheckStatements( $entity->getStatements(), $statements );
+			return $this->crossChecker->crossCheckStatements($entity->getStatements(), $statements);
 		}
 
 		return null;
@@ -281,9 +281,9 @@ 
 	 *
 	 * @throws InvalidArgumentException
 	 */
-	private function assertIsString( $string, $parameterName ) {
-		if ( !is_string( $string ) ) {
-			throw new InvalidArgumentException( "$parameterName must be string." );
+	private function assertIsString($string, $parameterName) {
+		if (!is_string($string)) {
+			throw new InvalidArgumentException("$parameterName must be string.");
 		}
 	}
 
@@ -293,10 +293,10 @@ 
 	 *
 	 * @throws InvalidArgumentException
 	 */
-	private function assertIsArrayOfStrings( array $strings, $parameterName ) {
-		foreach ( $strings as $string ) {
-			if ( !is_string( $string ) ) {
-				throw new InvalidArgumentException( "Each element of $parameterName must be string." );
+	private function assertIsArrayOfStrings(array $strings, $parameterName) {
+		foreach ($strings as $string) {
+			if (!is_string($string)) {
+				throw new InvalidArgumentException("Each element of $parameterName must be string.");
 			}
 		}
 	}

WikibaseQualityExternalValidationHooks.php

Spacing +6 added lines, -6 removed lines

@@ -7,16 +7,16 @@
 	 *
 	 * @return bool
 	 */
-	public static function onCreateSchema( DatabaseUpdater $updater ) {
-		$updater->addExtensionTable( 'wbqev_dump_information', __DIR__ . '/sql/create_wbqev_dump_information.sql' );
-		$updater->addExtensionTable( 'wbqev_external_data', __DIR__ . '/sql/create_wbqev_external_data.sql' );
-		$updater->addExtensionTable( 'wbqev_identifier_properties', __DIR__ . '/sql/create_wbqev_identifier_properties.sql' );
+	public static function onCreateSchema(DatabaseUpdater $updater) {
+		$updater->addExtensionTable('wbqev_dump_information', __DIR__.'/sql/create_wbqev_dump_information.sql');
+		$updater->addExtensionTable('wbqev_external_data', __DIR__.'/sql/create_wbqev_external_data.sql');
+		$updater->addExtensionTable('wbqev_identifier_properties', __DIR__.'/sql/create_wbqev_identifier_properties.sql');
 
 		return true;
 	}
 
-	public static function onUnitTestsList( &$paths ) {
-		$paths[] = __DIR__ . '/tests/phpunit';
+	public static function onUnitTestsList(&$paths) {
+		$paths[] = __DIR__.'/tests/phpunit';
 		return true;
 	}
 

includes/CrossCheck/Comparer/TimeValueComparer.php

Spacing +23 added lines, -23 removed lines

@@ -30,9 +30,9 @@ 
 	 * @throws InvalidArgumentException
 	 * @return string One of the ComparisonResult::STATUS_... constants.
 	 */
-	public function compare( DataValue $value, DataValue $comparativeValue ) {
-		if ( !$this->canCompare( $value, $comparativeValue ) ) {
-			throw new InvalidArgumentException( 'Given values can not be compared using this comparer.' );
+	public function compare(DataValue $value, DataValue $comparativeValue) {
+		if (!$this->canCompare($value, $comparativeValue)) {
+			throw new InvalidArgumentException('Given values can not be compared using this comparer.');
 		}
 
 		/**
@@ -42,38 +42,38 @@ 
 
 		$result = ComparisonResult::STATUS_MISMATCH;
 
-		if ( !preg_match( '/^([-+]?)(\d*)((\d{4}\b).*)/', $value->getTime(), $localMatches )
-			|| !preg_match( '/^([-+]?)(\d*)((\d{4}\b).*)/', $comparativeValue->getTime(), $externalMatches )
+		if (!preg_match('/^([-+]?)(\d*)((\d{4}\b).*)/', $value->getTime(), $localMatches)
+			|| !preg_match('/^([-+]?)(\d*)((\d{4}\b).*)/', $comparativeValue->getTime(), $externalMatches)
 		) {
 			return ComparisonResult::STATUS_MISMATCH;
 		}
-		list( , $localSign, $localYearHigh, $localMwTime, $localYearLow ) = $localMatches;
-		list( , $externalSign, $externalYearHigh, $externalMwTime, $externalYearLow ) = $externalMatches;
-		if ( $localSign !== $externalSign && ( $localYearHigh . $localYearLow !== '0000'
-				|| $externalYearHigh . $externalYearLow !== '0000' )
+		list(, $localSign, $localYearHigh, $localMwTime, $localYearLow) = $localMatches;
+		list(, $externalSign, $externalYearHigh, $externalMwTime, $externalYearLow) = $externalMatches;
+		if ($localSign !== $externalSign && ($localYearHigh.$localYearLow !== '0000'
+				|| $externalYearHigh.$externalYearLow !== '0000')
 		) {
 			return ComparisonResult::STATUS_MISMATCH;
 		}
 
 		try {
-			$localTimestamp = new MWTimestamp( $localMwTime );
-			$externalTimestamp = new MWTimestamp( $externalMwTime );
-			$diff = $localTimestamp->diff( $externalTimestamp );
-			$diff->y += abs( $localYearHigh - $externalYearHigh ) * 10000;
+			$localTimestamp = new MWTimestamp($localMwTime);
+			$externalTimestamp = new MWTimestamp($externalMwTime);
+			$diff = $localTimestamp->diff($externalTimestamp);
+			$diff->y += abs($localYearHigh - $externalYearHigh) * 10000;
 
-			if ( $value->getPrecision() === $comparativeValue->getPrecision()
-				&& $this->resultOfDiffWithPrecision( $diff, $value->getPrecision() )
+			if ($value->getPrecision() === $comparativeValue->getPrecision()
+				&& $this->resultOfDiffWithPrecision($diff, $value->getPrecision())
 			) {
 				$result = ComparisonResult::STATUS_MATCH;
 			} elseif (
 				$this->resultOfDiffWithPrecision(
 					$diff,
-					min( $value->getPrecision(), $comparativeValue->getPrecision() )
+					min($value->getPrecision(), $comparativeValue->getPrecision())
 				)
 			) {
 				$result = ComparisonResult::STATUS_PARTIAL_MATCH;
 			}
-		} catch ( TimestampException $ex ) {
+		} catch (TimestampException $ex) {
 		}
 
 		return $result;
@@ -87,10 +87,10 @@ 
 	 *
 	 * @return bool
 	 */
-	private function resultOfDiffWithPrecision( DateInterval $diff, $precision ) {
+	private function resultOfDiffWithPrecision(DateInterval $diff, $precision) {
 		$result = true;
 
-		switch ( $precision ) {
+		switch ($precision) {
 			case TimeValue::PRECISION_SECOND:
 				$result = $diff->s === 0;
 				// Fall through with no break/return. This is critical for this algorithm.
@@ -134,10 +134,10 @@ 
 	 *
 	 * @return ValueParser
 	 */
-	protected function getExternalValueParser( DumpMetaInformation $dumpMetaInformation ) {
+	protected function getExternalValueParser(DumpMetaInformation $dumpMetaInformation) {
 		$parserOptions = new ParserOptions();
-		$parserOptions->setOption( ValueParser::OPT_LANG, $dumpMetaInformation->getLanguageCode() );
-		$timeParserFactory = new TimeParserFactory( $parserOptions );
+		$parserOptions->setOption(ValueParser::OPT_LANG, $dumpMetaInformation->getLanguageCode());
+		$timeParserFactory = new TimeParserFactory($parserOptions);
 
 		return $timeParserFactory->getTimeParser();
 	}
@@ -150,7 +150,7 @@ 
 	 *
 	 * @return bool
 	 */
-	public function canCompare( DataValue $value, DataValue $comparativeValue ) {
+	public function canCompare(DataValue $value, DataValue $comparativeValue) {
 		return $value instanceof TimeValue && $comparativeValue instanceof TimeValue;
 	}