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<?php |
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declare(strict_types = 1); |
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namespace Mikemirten\Component\JsonApi\Mapper\Definition; |
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use Doctrine\Common\Annotations\AnnotationRegistry; |
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use Doctrine\Common\Annotations\Reader; |
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use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\ResourceIdentifier as ResourceIdentifierAnnotation; |
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use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Relationship as RelationshipAnnotation; |
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use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Attribute as AttributeAnnotation; |
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use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Link as LinkAnnotation; |
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/** |
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* Annotation Definition Provider based on the Doctrine-Annotation library |
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* |
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* @package Mikemirten\Component\JsonApi\Mapper\Definition |
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*/ |
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class AnnotationDefinitionProvider implements DefinitionProviderInterface |
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{ |
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/** |
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* Pattern of "resource" parameter of link annotation |
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*/ |
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const RESOURCE_PATTERN = '~^(?<repository>[a-z_][a-z0-9_]*)\.(?<link>[a-z_][a-z0-9_]*)$~i'; |
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/** |
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* Pattern of "type" parameter of attribute annotation |
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*/ |
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const DATATYPE_PATTERN = '~^(?<type>[a-z_][a-z0-9_]*)\s*(?:\((?<params>[^\)]*)\))?$~i'; |
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/** |
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* Annotation classes ha been registered. |
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* |
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* @var bool |
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*/ |
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static private $annotationsRegistered = false; |
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/** |
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* Cache of created definitions |
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* |
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* @var array |
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*/ |
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private $definitionCache = []; |
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/** |
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* Register annotation classes. |
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* Supports a medieval-aged way of "autoloading" for the Doctrine Annotation library. |
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*/ |
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static protected function registerAnnotations() |
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{ |
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if (self::$annotationsRegistered === false) { |
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AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Relationship.php'); |
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AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Attribute.php'); |
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AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Link.php'); |
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self::$annotationsRegistered = true; |
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} |
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} |
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/** |
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* Doctrine annotation reader |
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* |
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* @var Reader |
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*/ |
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protected $reader; |
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/** |
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* AnnotationDefinitionProvider constructor. |
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* |
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* @param Reader $reader |
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*/ |
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public function __construct(Reader $reader) |
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{ |
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self::registerAnnotations(); |
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$this->reader = $reader; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDefinition(string $class): Definition |
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{ |
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if (! isset($this->definitionCache[$class])) { |
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$reflection = new \ReflectionClass($class); |
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$this->definitionCache[$class] = $this->createDefinition($reflection); |
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} |
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return $this->definitionCache[$class]; |
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} |
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/** |
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* Create definition for given class |
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* |
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* @param \ReflectionClass $reflection |
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* @return Definition |
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*/ |
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protected function createDefinition(\ReflectionClass $reflection): Definition |
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{ |
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$definition = new Definition($reflection->getName()); |
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$this->processClassAnnotations($reflection, $definition); |
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$this->processProperties($reflection, $definition); |
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$this->processMethods($reflection, $definition); |
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$parent = $reflection->getParentClass(); |
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if ($parent !== false) { |
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$definition->merge($this->createDefinition($parent)); |
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} |
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foreach ($reflection->getTraits() as $trait) |
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{ |
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$definition->merge($this->createDefinition($trait)); |
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} |
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return $definition; |
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} |
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/** |
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* Process properties of class |
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* |
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* @param \ReflectionClass $reflection |
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* @param Definition $definition |
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*/ |
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protected function processProperties(\ReflectionClass $reflection, Definition $definition) |
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{ |
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foreach ($reflection->getProperties() as $property) |
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{ |
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$this->processProperty($property, $definition); |
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} |
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} |
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/** |
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* Process property of class |
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* |
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* @param \ReflectionProperty $property |
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* @param Definition $definition |
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*/ |
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protected function processProperty(\ReflectionProperty $property, Definition $definition) |
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{ |
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$annotations = $this->reader->getPropertyAnnotations($property); |
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foreach ($annotations as $annotation) |
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{ |
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if ($annotation instanceof AttributeAnnotation) { |
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$attribute = $this->createAttributeByProperty($annotation, $property); |
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$definition->addAttribute($attribute); |
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continue; |
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} |
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if ($annotation instanceof RelationshipAnnotation) { |
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$relationship = $this->createRelationship($annotation, $property); |
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$definition->addRelationship($relationship); |
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} |
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} |
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} |
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/** |
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* Process methods of class |
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* |
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* @param \ReflectionClass $reflection |
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* @param Definition $definition |
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*/ |
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protected function processMethods(\ReflectionClass $reflection, Definition $definition) |
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{ |
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foreach ($reflection->getMethods() as $method) |
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{ |
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$this->processMethod($method, $definition); |
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} |
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} |
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/** |
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* Process method of class |
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* |
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* @param \ReflectionMethod $method |
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* @param Definition $definition |
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*/ |
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protected function processMethod(\ReflectionMethod $method, Definition $definition) |
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{ |
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$annotations = $this->reader->getMethodAnnotations($method); |
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foreach ($annotations as $annotation) |
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{ |
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if ($annotation instanceof AttributeAnnotation) { |
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$this->validateMethodAttribute($annotation, $method); |
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$attribute = $this->createAttributeByMethod($annotation, $method); |
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$definition->addAttribute($attribute); |
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} |
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} |
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} |
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/** |
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* Validate method with attribute definition |
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* |
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* @param AttributeAnnotation $annotation |
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* @param \ReflectionMethod $method |
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* @throws \LogicException |
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*/ |
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protected function validateMethodAttribute(AttributeAnnotation $annotation, \ReflectionMethod $method) |
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{ |
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if (! $method->isPublic()) { |
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throw new \LogicException(sprintf( |
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'Attribute annotation can be applied only to non public method "%s".', |
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$method->getName() |
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)); |
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} |
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if ($annotation->getter !== null) { |
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throw new \LogicException(sprintf( |
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'The "getter" property of Attribute annotation applied to method "%s" is useless.', |
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$method->getName() |
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)); |
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} |
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} |
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/** |
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* Process annotations of class |
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* |
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* @param \ReflectionClass $reflection |
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* @param Definition $definition |
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*/ |
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protected function processClassAnnotations(\ReflectionClass $reflection, Definition $definition) |
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{ |
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$annotations = $this->reader->getClassAnnotations($reflection); |
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foreach ($annotations as $annotation) |
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{ |
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if ($annotation instanceof LinkAnnotation) { |
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$link = $this->createLink($annotation); |
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$definition->addLink($link); |
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continue; |
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} |
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if ($annotation instanceof ResourceIdentifierAnnotation) { |
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$this->handlerResourceIdentifier($annotation, $definition); |
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} |
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} |
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} |
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/** |
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* Handler resource identifier |
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* |
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* @param ResourceIdentifierAnnotation $annotation |
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* @param Definition $definition |
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*/ |
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protected function handlerResourceIdentifier(ResourceIdentifierAnnotation $annotation, Definition $definition) |
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{ |
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if ($annotation->type !== null) { |
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$definition->setType($annotation->type); |
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} |
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} |
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/** |
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* Create attribute by annotation of property |
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* |
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* @param AttributeAnnotation $annotation |
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* @param \ReflectionProperty $property |
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* @return Attribute |
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*/ |
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protected function createAttributeByProperty(AttributeAnnotation $annotation, \ReflectionProperty $property): Attribute |
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{ |
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$name = ($annotation->name === null) |
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? $property->getName() |
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: $annotation->name; |
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$getter = ($annotation->getter === null) |
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? $this->resolveGetter($property) |
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: $annotation->getter; |
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$attribute = new Attribute($name, $getter); |
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$attribute->setPropertyName($property->getName()); |
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if ($annotation->type !== null) { |
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$this->processDataType($annotation->type, $attribute); |
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} |
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return $attribute; |
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} |
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/** |
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* Create attribute by annotation of method |
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* |
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* @param AttributeAnnotation $annotation |
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* @param \ReflectionMethod $method |
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* @return Attribute |
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*/ |
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protected function createAttributeByMethod(AttributeAnnotation $annotation, \ReflectionMethod $method): Attribute |
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{ |
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$name = ($annotation->name === null) |
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? $this->resolveNameByMethod($method) |
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: $annotation->name; |
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$attribute = new Attribute($name, $method->getName()); |
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2 |
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if ($annotation->type !== null) { |
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$this->processDataType($annotation->type, $attribute); |
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} |
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return $attribute; |
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} |
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307
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/** |
308
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* Resolve name of attribute by method |
309
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* |
310
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* @param \ReflectionMethod $method |
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* @return string |
312
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*/ |
313
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2 |
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protected function resolveNameByMethod(\ReflectionMethod $method): string |
314
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{ |
315
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2 |
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$name = $method->getName(); |
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316
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317
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2 |
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if (preg_match('~^(?:get|is)(?<name>[a-z0-9_]+)~i', $name, $matches)) { |
318
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return lcfirst($matches['name']); |
319
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} |
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321
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return $name; |
322
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} |
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324
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/** |
325
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* Process data-type |
326
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* |
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* @param string $definition |
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* @param Attribute $attribute |
329
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*/ |
330
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4 |
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protected function processDataType(string $definition, Attribute $attribute) |
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{ |
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4 |
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if (! preg_match(self::DATATYPE_PATTERN, $definition, $matches)) { |
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throw new \LogicException(sprintf('Data-type definition "%s" is invalid.', $definition)); |
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} |
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336
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4 |
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$attribute->setType($matches['type']); |
337
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338
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4 |
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if (empty($matches['params'])) { |
339
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return; |
340
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} |
341
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342
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4 |
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$parameters = explode(',', $matches['params']); |
343
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4 |
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$parameters = array_map('trim', $parameters); |
344
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345
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4 |
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$attribute->setTypeParameters($parameters); |
346
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4 |
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} |
347
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348
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/** |
349
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* Process relationship |
350
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* |
351
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* @param RelationshipAnnotation $annotation |
352
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* @param \ReflectionProperty $property |
353
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* @return Relationship |
354
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*/ |
355
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9 |
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protected function createRelationship(RelationshipAnnotation $annotation, \ReflectionProperty $property): Relationship |
356
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{ |
357
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9 |
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$name = ($annotation->name === null) |
358
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7 |
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? $property->getName() |
359
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9 |
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: $annotation->name; |
360
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361
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9 |
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$type = $this->resolveType($annotation); |
362
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363
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9 |
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$getter = ($annotation->getter === null) |
364
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9 |
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? $this->resolveGetter($property) |
365
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9 |
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: $annotation->getter; |
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367
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9 |
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$relationship = new Relationship($name, $type, $getter); |
368
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9 |
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$relationship->setPropertyName($property->getName()); |
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9 |
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$this->handleLinks($annotation, $relationship); |
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9 |
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$this->handleDataControl($annotation, $relationship); |
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373
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9 |
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return $relationship; |
374
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} |
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376
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/** |
377
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* Resolve getter of related object |
378
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* |
379
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* @param \ReflectionProperty $property |
380
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* @return string |
381
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*/ |
382
|
11 |
|
protected function resolveGetter(\ReflectionProperty $property): string |
383
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{ |
384
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11 |
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$name = $property->getName(); |
385
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11 |
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$class = $property->getDeclaringClass(); |
386
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|
387
|
11 |
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foreach (['get', 'is'] as $prefix) |
388
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{ |
389
|
11 |
|
$getter = $prefix . ucfirst($name); |
390
|
|
|
|
391
|
11 |
|
if ($class->hasMethod($getter) && $class->getMethod($getter)->isPublic()) { |
392
|
11 |
|
return $getter; |
393
|
|
|
} |
394
|
|
|
} |
395
|
|
|
|
396
|
|
|
throw new \LogicException(sprintf( |
397
|
|
|
'Getter-method for the property "%s" cannot be resolved automatically. ' . |
398
|
|
|
'Probably there is no get%2$s() or is%2$s() method or it is not public.', |
399
|
|
|
$name, ucfirst($name) |
400
|
|
|
)); |
401
|
|
|
} |
402
|
|
|
|
403
|
|
|
/** |
404
|
|
|
* Handle links |
405
|
|
|
* |
406
|
|
|
* @param RelationshipAnnotation $annotation |
407
|
|
|
* @param Relationship $relationship |
408
|
|
|
*/ |
409
|
9 |
|
protected function handleLinks(RelationshipAnnotation $annotation, Relationship $relationship) |
410
|
|
|
{ |
411
|
9 |
|
foreach ($annotation->links as $linkAnnotation) |
412
|
|
|
{ |
413
|
7 |
|
$link = $this->createLink($linkAnnotation); |
414
|
|
|
|
415
|
7 |
|
$relationship->addLink($link); |
416
|
|
|
} |
417
|
9 |
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* Create link by link's annotation |
421
|
|
|
* |
422
|
|
|
* @param LinkAnnotation $annotation |
423
|
|
|
* @return Link |
424
|
|
|
*/ |
425
|
8 |
|
protected function createLink(LinkAnnotation $annotation): Link |
426
|
|
|
{ |
427
|
8 |
|
if (! preg_match(self::RESOURCE_PATTERN, $annotation->resource, $matches)) { |
428
|
|
|
throw new \LogicException(sprintf('Invalid resource definition: "%s"', $annotation->resource)); |
429
|
|
|
} |
430
|
|
|
|
431
|
8 |
|
$link = new Link( |
432
|
8 |
|
$annotation->name, |
433
|
8 |
|
$matches['repository'], |
434
|
8 |
|
$matches['link'] |
435
|
|
|
); |
436
|
|
|
|
437
|
8 |
|
$link->setParameters($annotation->parameters); |
438
|
8 |
|
$link->setMetadata($annotation->metadata); |
439
|
|
|
|
440
|
8 |
|
return $link; |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
/** |
444
|
|
|
* Handle control of data-section |
445
|
|
|
* |
446
|
|
|
* @param RelationshipAnnotation $annotation |
447
|
|
|
* @param Relationship $relationship |
448
|
|
|
*/ |
449
|
9 |
|
protected function handleDataControl(RelationshipAnnotation $annotation, Relationship $relationship) |
450
|
|
|
{ |
451
|
9 |
|
$relationship->setIncludeData($annotation->dataAllowed); |
452
|
9 |
|
$relationship->setDataLimit($annotation->dataLimit); |
453
|
9 |
|
} |
454
|
|
|
|
455
|
|
|
/** |
456
|
|
|
* Resolve type of relationship |
457
|
|
|
* |
458
|
|
|
* @param RelationshipAnnotation $annotation |
459
|
|
|
* @return int |
460
|
|
|
*/ |
461
|
9 |
|
protected function resolveType(RelationshipAnnotation $annotation): int |
462
|
|
|
{ |
463
|
9 |
|
if ($annotation->type === RelationshipAnnotation::TYPE_ONE) { |
464
|
2 |
|
return Relationship::TYPE_X_TO_ONE; |
465
|
|
|
} |
466
|
|
|
|
467
|
7 |
|
if ($annotation->type === RelationshipAnnotation::TYPE_MANY) { |
468
|
7 |
|
return Relationship::TYPE_X_TO_MANY; |
469
|
|
|
} |
470
|
|
|
|
471
|
|
|
throw new \LogicException(sprintf('Invalid type of relation "%s" defined.', $annotation->type)); |
472
|
|
|
} |
473
|
|
|
} |