377 lines
12 KiB
PHP
377 lines
12 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Mapping;
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use Doctrine\Common\DoctrineException;
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/**
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* A <tt>ClassMetadata</tt> instance holds all the object-relational mapping metadata
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* of an entity and it's associations.
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*
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* Once populated, ClassMetadata instances are usually cached in a serialized form.
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*
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* <b>IMPORTANT NOTE:</b>
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*
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* The fields of this class are only public for 2 reasons:
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* 1) To allow fast READ access.
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* 2) To drastically reduce the size of a serialized instance (private/protected members
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* get the whole class name, namespace inclusive, prepended to every property in
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* the serialized representation).
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @author Jonathan H. Wage <jonwage@gmail.com>
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* @since 2.0
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*/
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final class ClassMetadata extends ClassMetadataInfo
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{
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/**
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* The ReflectionClass instance of the mapped class.
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*
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* @var ReflectionClass
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*/
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public $reflClass;
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/**
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* The ReflectionProperty instances of the mapped class.
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*
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* @var array
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*/
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public $reflFields = array();
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/**
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* Initializes a new ClassMetadata instance that will hold the object-relational mapping
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* metadata of the class with the given name.
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*
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* @param string $entityName The name of the entity class the new instance is used for.
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*/
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public function __construct($entityName)
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{
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$this->name = $entityName;
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$this->reflClass = new \ReflectionClass($entityName);
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$this->namespace = $this->reflClass->getNamespaceName();
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$this->primaryTable['name'] = $this->reflClass->getShortName();
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$this->rootEntityName = $entityName;
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//$this->prototype = unserialize(sprintf('O:%d:"%s":0:{}', strlen($this->name), $this->name));
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}
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/**
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* Gets the ReflectionClass instance of the mapped class.
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*
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* @return ReflectionClass
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*/
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public function getReflectionClass()
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{
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return $this->reflClass;
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}
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/**
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* Gets the ReflectionPropertys of the mapped class.
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*
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* @return array An array of ReflectionProperty instances.
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*/
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public function getReflectionProperties()
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{
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return $this->reflFields;
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}
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/**
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* INTERNAL:
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* Adds a reflection property. Usually only used by the ClassMetadataFactory
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* while processing inheritance mappings.
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*
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* @param array $props
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*/
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public function addReflectionProperty($propName, \ReflectionProperty $property)
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{
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$this->reflFields[$propName] = $property;
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}
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/**
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* Gets a ReflectionProperty for a specific field of the mapped class.
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*
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* @param string $name
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* @return ReflectionProperty
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*/
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public function getReflectionProperty($name)
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{
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return $this->reflFields[$name];
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}
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/**
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* Gets the ReflectionProperty for the single identifier field.
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*
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* @return ReflectionProperty
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* @throws DoctrineException If the class has a composite identifier.
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*/
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public function getSingleIdReflectionProperty()
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{
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if ($this->isIdentifierComposite) {
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throw DoctrineException::singleIdNotAllowedOnCompositePrimaryKey();
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}
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return $this->reflFields[$this->identifier[0]];
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}
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/**
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* Validates & completes the given field mapping.
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*
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* @param array $mapping The field mapping to validated & complete.
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* @return array The validated and completed field mapping.
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*/
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protected function _validateAndCompleteFieldMapping(array &$mapping)
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{
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parent::_validateAndCompleteFieldMapping($mapping);
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// Store ReflectionProperty of mapped field
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$refProp = $this->reflClass->getProperty($mapping['fieldName']);
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$refProp->setAccessible(true);
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$this->reflFields[$mapping['fieldName']] = $refProp;
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}
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/**
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* Extracts the identifier values of an entity of this class.
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*
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* For composite identifiers, the identifier values are returned as an array
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* with the same order as the field order in {@link identifier}.
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*
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* @param object $entity
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* @return mixed
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*/
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public function getIdentifierValues($entity)
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{
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if ($this->isIdentifierComposite) {
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$id = array();
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foreach ($this->identifier as $idField) {
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$value = $this->reflFields[$idField]->getValue($entity);
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if ($value !== null) {
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$id[] = $value;
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}
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}
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return $id;
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} else {
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return $this->reflFields[$this->identifier[0]]->getValue($entity);
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}
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}
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public function getColumnValues($entity, array $columns)
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{
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$values = array();
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foreach ($columns as $column) {
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$values[] = $this->reflFields[$this->fieldNames[$column]]->getValue($entity);
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}
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return $values;
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}
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/**
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* Populates the entity identifier of an entity.
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*
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* @param object $entity
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* @param mixed $id
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* @todo Rename to assignIdentifier()
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*/
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public function setIdentifierValues($entity, $id)
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{
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if ($this->isIdentifierComposite) {
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foreach ((array)$id as $idField => $idValue) {
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$this->reflFields[$idField]->setValue($entity, $idValue);
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}
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} else {
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$this->reflFields[$this->identifier[0]]->setValue($entity, $id);
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}
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}
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/**
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* Sets the specified field to the specified value on the given entity.
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*
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* @param object $entity
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* @param string $field
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* @param mixed $value
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*/
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public function setFieldValue($entity, $field, $value)
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{
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$this->reflFields[$field]->setValue($entity, $value);
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}
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/**
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* Sets the field mapped to the specified column to the specified value on the given entity.
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*
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* @param object $entity
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* @param string $field
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* @param mixed $value
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*/
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public function setColumnValue($entity, $column, $value)
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{
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$this->reflFields[$this->fieldNames[$column]]->setValue($entity, $value);
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}
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/**
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* Stores the association mapping.
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*
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* @param AssociationMapping $assocMapping
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*/
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protected function _storeAssociationMapping(AssociationMapping $assocMapping)
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{
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parent::_storeAssociationMapping($assocMapping);
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// Store ReflectionProperty of mapped field
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$sourceFieldName = $assocMapping->sourceFieldName;
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$refProp = $this->reflClass->getProperty($sourceFieldName);
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$refProp->setAccessible(true);
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$this->reflFields[$sourceFieldName] = $refProp;
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}
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/**
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* Dispatches the lifecycle event of the given entity to the registered
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* lifecycle callbacks and lifecycle listeners.
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*
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* @param string $event The lifecycle event.
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* @param Entity $entity The Entity on which the event occured.
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*/
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public function invokeLifecycleCallbacks($lifecycleEvent, $entity)
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{
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foreach ($this->lifecycleCallbacks[$lifecycleEvent] as $callback) {
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$entity->$callback();
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}
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}
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/**
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* Gets the (possibly quoted) column name of a mapped field for safe use
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* in an SQL statement.
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*
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* @param string $field
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* @param AbstractPlatform $platform
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* @return string
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*/
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public function getQuotedColumnName($field, $platform)
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{
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return isset($this->fieldMappings[$field]['quoted']) ?
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$platform->quoteIdentifier($this->fieldMappings[$field]['columnName']) :
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$this->fieldMappings[$field]['columnName'];
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}
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/**
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* Gets the (possibly quoted) primary table name of this class for safe use
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* in an SQL statement.
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*
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* @param AbstractPlatform $platform
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* @return string
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*/
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public function getQuotedTableName($platform)
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{
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return isset($this->primaryTable['quoted']) ?
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$platform->quoteIdentifier($this->primaryTable['name']) :
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$this->primaryTable['name'];
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}
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/**
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* Gets the (possibly quoted) name of the discriminator column for safe use
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* in an SQL statement.
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*
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* @param AbstractPlatform $platform
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* @return string
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*/
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public function getQuotedDiscriminatorColumnName($platform)
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{
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return isset($this->discriminatorColumn['quoted']) ?
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$platform->quoteIdentifier($this->discriminatorColumn['name']) :
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$this->discriminatorColumn['name'];
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}
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/**
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* Creates a string representation of this instance.
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*
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* @return string The string representation of this instance.
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* @todo Construct meaningful string representation.
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*/
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public function __toString()
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{
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return __CLASS__ . '@' . spl_object_hash($this);
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}
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/**
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* Determines which fields get serialized.
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*
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* Parts that are NOT serialized because they can not be properly unserialized:
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* - reflClass (ReflectionClass)
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* - reflFields (ReflectionProperty array)
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*
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* @return array The names of all the fields that should be serialized.
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*/
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public function __sleep()
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{
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return array(
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'associationMappings',
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'changeTrackingPolicy',
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'columnNames',
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'customRepositoryClassName',
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'discriminatorColumn',
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'discriminatorValue',
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'discriminatorMap',
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'fieldMappings',
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'fieldNames',
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'generatorType',
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'identifier',
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'idGenerator',
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'inheritanceType',
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'inheritedAssociationFields',
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'insertSql',
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'inverseMappings',
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'isIdentifierComposite',
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'isMappedSuperclass',
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'isVersioned',
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'lifecycleCallbacks',
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'name',
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'namespace',
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'parentClasses',
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'primaryTable',
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'resultColumnNames',
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'rootEntityName',
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'sequenceGeneratorDefinition',
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'subClasses',
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'versionField'
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);
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}
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/**
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* Restores some state that can not be serialized/unserialized.
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*
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* @return void
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*/
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public function __wakeup()
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{
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// Restore ReflectionClass and properties
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$this->reflClass = new \ReflectionClass($this->name);
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foreach ($this->fieldNames as $field) {
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$this->reflFields[$field] = $this->reflClass->getProperty($field);
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$this->reflFields[$field]->setAccessible(true);
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}
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foreach ($this->associationMappings as $field => $mapping) {
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$this->reflFields[$field] = $this->reflClass->getProperty($field);
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$this->reflFields[$field]->setAccessible(true);
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}
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//$this->prototype = unserialize(sprintf('O:%d:"%s":0:{}', strlen($this->name), $this->name));
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}
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//public $prototype;
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}
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