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<?php
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declare( strict_types=1 );
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namespace Doctrine\ODM\CouchDB\Proxy;
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use Closure;
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use Doctrine\ODM\CouchDB\DocumentManager;
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use Doctrine\ODM\CouchDB\Mapping\ClassMetadata;
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use ProxyManager\Factory\LazyLoadingGhostFactory;
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use ProxyManager\Proxy\GhostObjectInterface;
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use ReflectionProperty;
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/**
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* Static factory for proxy objects.
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*
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* @internal this class is to be used by ORM internals only
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*/
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final class StaticProxyFactory implements ProxyFactory {
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private const SKIPPED_PROPERTIES = 'skippedProperties';
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/** @var DocumentManager */
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private $dm;
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/** @var LazyLoadingGhostFactory */
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private $proxyFactory;
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/** @var Closure[] indexed by metadata class name */
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private $cachedInitializers = [];
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/** @var string[][][] indexed by metadata class name */
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private $cachedSkippedProperties = [];
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public function __construct(
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DocumentManager $dm,
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LazyLoadingGhostFactory $proxyFactory
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) {
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$this->dm = $dm;
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$this->proxyFactory = $proxyFactory;
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}
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/**
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* {@inheritdoc}
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*
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* @param ClassMetadata[] $classes
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*/
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public function generateProxyClasses( array $classes ): int {
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$concreteClasses = array_filter( $classes,
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static function ( ClassMetadata $metadata ): bool {
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return ! ( $metadata->isMappedSuperclass || $metadata->getReflectionClass()->isAbstract() );
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} );
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foreach ( $concreteClasses as $metadata ) {
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$this
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->proxyFactory
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->createProxy(
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$metadata->getName(),
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static function () {
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// empty closure, serves its purpose, for now
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},
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$this->skippedFieldsFqns( $metadata )
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);
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}
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return count( $concreteClasses );
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}
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/**
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* {@inheritdoc}
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*
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* @param ClassMetadata $metadata
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* @param string $identifier
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*
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* @return GhostObjectInterface
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*/
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public function getProxy( ClassMetadata $metadata, string $identifier ): GhostObjectInterface {
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$className = $metadata->getName();
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$proxyInstance = $this
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->proxyFactory
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->createProxy(
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$metadata->getName(),
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$this->cachedInitializers[ $className ]
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?? $this->cachedInitializers[ $className ] = $this->makeInitializer( $metadata ),
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$this->cachedSkippedProperties[ $className ]
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?? $this->cachedSkippedProperties[ $className ] = [
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self::SKIPPED_PROPERTIES => $this->skippedFieldsFqns( $metadata ),
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]
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);
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$metadata->setIdentifierValue($proxyInstance, $identifier);
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if ( $this->dm->getClassMetadataFactory() && ! $this->dm->getClassMetadataFactory()->hasMetadataFor(get_class($proxyInstance)) ) {
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$this->dm->getClassMetadataFactory()->setMetadataFor( get_class( $proxyInstance ), $metadata );
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}
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return $proxyInstance;
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}
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/**
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* @param ClassMetadata $metadata
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*
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* @return Closure
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*/
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private function makeInitializer( ClassMetadata $metadata ): Closure {
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$dm = $this->dm;
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return static function (
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GhostObjectInterface $ghostObject,
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string $method,
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// we don't care
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array $parameters,
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// we don't care
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& $initializer,
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array $properties // we currently do not use this
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) use (
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$metadata,
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$dm
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) : bool {
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$initializer = null;
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$dm->refresh($ghostObject);
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return true;
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};
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}
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/**
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* @param ClassMetadata $metadata
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*
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* @return string[]
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*/
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private function skippedFieldsFqns( ClassMetadata $metadata ): array {
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return array_merge(
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$this->identifierFieldFqns( $metadata ),
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$this->transientFieldsFqns( $metadata )
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);
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}
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/**
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* @param ClassMetadata $metadata
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*
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* @return string[]
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*/
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private function transientFieldsFqns( ClassMetadata $metadata ): array {
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return [];
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$transientFieldsFqns = [];
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foreach ( $metadata->fieldMappings as $name => $property ) {
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// TODO : Transient fields don't have mapping
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/*
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if ( ! $property instanceof TransientMetadata ) {
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continue;
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}
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$transientFieldsFqns[] = $this->propertyFqcn( $metadata->getReflectionProperty( $name ) );
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*/
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}
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return $transientFieldsFqns;
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}
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/**
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* @param ClassMetadata $metadata
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*
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* @return string[]
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*/
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private function identifierFieldFqns( ClassMetadata $metadata ): array {
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$idFieldFqcns = [];
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foreach ( $metadata->getIdentifierFieldNames() as $idField ) {
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if ( !$idField ) {
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continue;
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}
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$idFieldFqcns[] = $this->propertyFqcn( $metadata->getReflectionProperty( $idField ) );
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}
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return $idFieldFqcns;
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}
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private function propertyFqcn( ReflectionProperty $property ): string {
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if ( $property->isPrivate() ) {
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return "\0" . $property->getDeclaringClass()->getName() . "\0" . $property->getName();
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}
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if ( $property->isProtected() ) {
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return "\0*\0" . $property->getName();
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}
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return $property->getName();
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}
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} |
doctrine /
couchdb-odm
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.