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<?php |
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/** |
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* Spiral, Core Components |
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* |
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* @author Wolfy-J |
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*/ |
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namespace Spiral\ODM; |
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use Interop\Container\ContainerInterface; |
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use MongoDB\BSON\ObjectID; |
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use MongoDB\Collection; |
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use Spiral\Core\Component; |
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use Spiral\Core\Container; |
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use Spiral\Core\Container\SingletonInterface; |
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use Spiral\Core\FactoryInterface; |
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use Spiral\Core\MemoryInterface; |
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use Spiral\Core\NullMemory; |
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use Spiral\ODM\Entities\DocumentSelector; |
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use Spiral\ODM\Entities\DocumentSource; |
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use Spiral\ODM\Exceptions\ODMException; |
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use Spiral\ODM\Exceptions\SchemaException; |
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use Spiral\ODM\Schemas\LocatorInterface; |
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use Spiral\ODM\Schemas\NullLocator; |
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use Spiral\ODM\Schemas\SchemaBuilder; |
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/** |
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* Provides supporting functionality for ODM classes such as selectors, instantiators and schema |
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* builders. |
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* |
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* @todo add ODM strict mode which must thrown an exception in AbstractArray and DocumentCompositor |
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* @todo when multiple atomic operations applied to a field instead of forcing $set command. |
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*/ |
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class ODM extends Component implements ODMInterface, SingletonInterface |
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{ |
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/** |
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* Memory section to store ODM schema. |
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*/ |
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const MEMORY = 'odm.schema'; |
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/** |
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* Already created instantiators. |
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* |
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* @invisible |
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* @var InstantiatorInterface[] |
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*/ |
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private $instantiators = []; |
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/** |
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* ODM schema. |
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* |
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* @invisible |
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* @var array |
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*/ |
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private $schema = []; |
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/** |
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* @var MongoManager |
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*/ |
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protected $manager; |
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/** |
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* @var LocatorInterface |
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*/ |
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protected $locator; |
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/** |
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* @invisible |
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* @var MemoryInterface |
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*/ |
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protected $memory; |
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/** |
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* Container defines working scope for all Documents and DocumentEntities. |
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* |
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* @var ContainerInterface |
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*/ |
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protected $container; |
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/** |
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* @param MongoManager $manager |
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* @param LocatorInterface $locator |
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* @param MemoryInterface $memory |
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* @param ContainerInterface $container |
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*/ |
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public function __construct( |
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MongoManager $manager, |
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LocatorInterface $locator = null, |
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MemoryInterface $memory = null, |
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ContainerInterface $container = null |
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) { |
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$this->manager = $manager; |
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$this->locator = $locator ?? new NullLocator(); |
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$this->memory = $memory ?? new NullMemory(); |
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$this->container = $container ?? new Container(); |
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//Loading schema from memory (if any) |
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$this->schema = $this->loadSchema(); |
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} |
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/** |
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* Create instance of ORM SchemaBuilder. |
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* |
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* @param bool $locate Set to true to automatically locate available documents and document |
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* sources in a project files (based on tokenizer scope). |
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* |
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* @return SchemaBuilder |
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* |
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* @throws SchemaException |
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*/ |
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public function schemaBuilder(bool $locate = true): SchemaBuilder |
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{ |
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/** |
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* @var SchemaBuilder $builder |
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*/ |
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$builder = $this->getFactory()->make(SchemaBuilder::class, ['manager' => $this->manager]); |
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if ($locate) { |
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foreach ($this->locator->locateSchemas() as $schema) { |
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$builder->addSchema($schema); |
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} |
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foreach ($this->locator->locateSources() as $class => $source) { |
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$builder->addSource($class, $source); |
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} |
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} |
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return $builder; |
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} |
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/** |
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* Specify behaviour schema for ODM to be used. |
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* |
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* @param SchemaBuilder $builder |
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* @param bool $remember Set to true to remember packed schema in memory. |
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*/ |
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public function setSchema(SchemaBuilder $builder, bool $remember = false) |
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{ |
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$this->schema = $builder->packSchema(); |
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if ($remember) { |
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$this->memory->saveData(static::MEMORY, $this->schema); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function define(string $class, int $property) |
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{ |
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if (empty($this->schema)) { |
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//Update and remember |
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$this->setSchema($this->schemaBuilder(), true); |
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} |
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//Check value |
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if (!isset($this->schema[$class])) { |
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throw new ODMException("Undefined ODM schema item '{$class}', make sure schema is updated"); |
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} |
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if (!array_key_exists($property, $this->schema[$class])) { |
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throw new ODMException("Undefined ODM schema property '{$class}'.'{$property}'"); |
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} |
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return $this->schema[$class][$property]; |
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} |
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/** |
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* Get source (selection repository) for specific entity class. |
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* |
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* @param string $class |
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* |
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* @return DocumentSource |
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*/ |
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public function source(string $class): DocumentSource |
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{ |
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$source = $this->define($class, self::D_SOURCE_CLASS); |
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if (empty($source)) { |
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//Let's use default source |
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$source = DocumentSource::class; |
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} |
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$handles = $source::DOCUMENT; |
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if (empty($handles)) { |
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//All sources are linked to primary class (i.e. Admin source => User class), unless specified |
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//in source directly |
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$handles = $class; |
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} |
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return $this->getFactory()->make($source, [ |
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'class' => $handles, |
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'odm' => $this |
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]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function selector(string $class): DocumentSelector |
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{ |
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return new DocumentSelector( |
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$this->collection($class), |
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$this->define($class, self::D_PRIMARY_CLASS), |
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$this |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function collection(string $class): Collection |
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{ |
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return $this->manager->database( |
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$this->define($class, self::D_DATABASE) |
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)->selectCollection( |
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$this->define($class, self::D_COLLECTION) |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function make( |
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string $class, |
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$fields = [], |
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bool $filter = false |
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): CompositableInterface { |
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return $this->instantiator($class)->make($fields, $filter); |
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} |
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/** |
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* Get object responsible for class instantiation. |
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* |
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* @param string $class |
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* |
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* @return InstantiatorInterface |
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*/ |
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protected function instantiator(string $class): InstantiatorInterface |
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{ |
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if (isset($this->instantiators[$class])) { |
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return $this->instantiators[$class]; |
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} |
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//Potential optimization |
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$instantiator = $this->getFactory()->make( |
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$this->define($class, self::D_INSTANTIATOR), |
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[ |
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'class' => $class, |
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'odm' => $this, |
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'schema' => $this->define($class, self::D_SCHEMA) |
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] |
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); |
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//Constructing instantiator and storing it in cache |
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return $this->instantiators[$class] = $instantiator; |
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} |
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/** |
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* Load packed schema from memory. |
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* |
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* @return array |
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*/ |
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protected function loadSchema(): array |
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{ |
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return (array)$this->memory->loadData(static::MEMORY); |
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} |
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/** |
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* Get ODM specific factory. |
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* |
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* @return FactoryInterface |
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*/ |
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protected function getFactory(): FactoryInterface |
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{ |
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if ($this->container instanceof FactoryInterface) { |
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return $this->container; |
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} |
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return $this->container->get(FactoryInterface::class); |
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} |
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/** |
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* Create valid MongoId (ObjectID now) object based on string or id provided from client side. |
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* |
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* @param mixed $mongoID String or MongoId object. |
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* |
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* @return ObjectID|null |
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*/ |
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public static function mongoID($mongoID) |
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{ |
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if (empty($mongoID)) { |
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return null; |
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} |
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if (!is_object($mongoID)) { |
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//Old versions of mongo api does not throws exception on invalid mongo id (1.2.1) |
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if (!is_string($mongoID) || !preg_match('/[0-9a-f]{24}/', $mongoID)) { |
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return null; |
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} |
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try { |
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$mongoID = new ObjectID($mongoID); |
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} catch (\Exception $e) { |
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return null; |
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} |
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} |
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return $mongoID; |
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} |
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} |