417 lines
11 KiB
PHP
417 lines
11 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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/**
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* Base class for association mappings.
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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, internal 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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* @since 2.0
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*/
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abstract class AssociationMapping
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{
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/**
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* Specifies that an association is to be fetched when it is first accessed.
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*
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* @var integer
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*/
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const FETCH_LAZY = 2;
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/**
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* Specifies that an association is to be fetched when the owner of the
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* association is fetched.
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*
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* @var integer
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*/
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const FETCH_EAGER = 3;
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/**
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* Cascade types enumeration.
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*
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* @var array
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*/
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protected static $_cascadeTypes = array(
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'all', 'none', 'save', 'delete', 'refresh', 'merge'
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);
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public $cascades = array();
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public $isCascadeRemove;
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public $isCascadePersist;
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public $isCascadeRefresh;
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public $isCascadeMerge;
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public $isCascadeDetach;
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/**
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* The fetch mode used for the association.
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*
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* @var integer
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*/
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public $fetchMode = self::FETCH_LAZY;
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/**
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* Flag that indicates whether the class that defines this mapping is
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* the owning side of the association.
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*
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* @var boolean
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*/
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public $isOwningSide = true;
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/**
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* Whether the association is optional (0..X) or not (1..X).
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* By default all associations are optional.
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*
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* @var boolean
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*/
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public $isOptional = true;
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/**
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* The name of the source Entity (the Entity that defines this mapping).
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*
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* @var string
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*/
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public $sourceEntityName;
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/**
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* The name of the target Entity (the Enitity that is the target of the
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* association).
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*
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* @var string
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*/
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public $targetEntityName;
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/**
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* Identifies the field on the source class (the class this AssociationMapping
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* belongs to) that represents the association and stores the reference to the
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* other entity/entities.
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*
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* @var string
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*/
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public $sourceFieldName;
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/**
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* Identifies the field on the owning side that controls the mapping for the
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* association. This is only set on the inverse side of an association.
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*
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* @var string
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*/
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public $mappedByFieldName;
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/**
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* The join table definition, if any.
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*
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* @var array
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*/
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public $joinTable = array();
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//protected $_joinTableInsertSql;
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/**
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* Initializes a new instance of a class derived from AssociationMapping.
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*
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* @param array $mapping The mapping definition.
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*/
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public function __construct(array $mapping)
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{
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$this->_validateAndCompleteMapping($mapping);
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}
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/**
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* Validates & completes the mapping. Mapping defaults are applied here.
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*
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* @param array $mapping
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*/
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protected function _validateAndCompleteMapping(array $mapping)
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{
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// Mandatory attributes for both sides
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if ( ! isset($mapping['fieldName'])) {
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throw MappingException::missingFieldName();
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}
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$this->sourceFieldName = $mapping['fieldName'];
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if ( ! isset($mapping['sourceEntity'])) {
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throw MappingException::missingSourceEntity($mapping['fieldName']);
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}
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$this->sourceEntityName = $mapping['sourceEntity'];
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if ( ! isset($mapping['targetEntity'])) {
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throw MappingException::missingTargetEntity($mapping['fieldName']);
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}
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$this->targetEntityName = $mapping['targetEntity'];
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// Mandatory and optional attributes for either side
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if ( ! isset($mapping['mappedBy'])) {
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// Optional
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if (isset($mapping['joinTable'])) {
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if ($mapping['joinTable']['name'][0] == '`') {
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$mapping['joinTable']['name'] = trim($mapping['joinTable']['name'], '`');
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$mapping['joinTable']['quoted'] = true;
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}
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$this->joinTable = $mapping['joinTable'];
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}
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} else {
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$this->isOwningSide = false;
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$this->mappedByFieldName = $mapping['mappedBy'];
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}
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// Optional attributes for both sides
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$this->isOptional = isset($mapping['optional']) ?
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(bool)$mapping['optional'] : true;
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$this->cascades = isset($mapping['cascade']) ?
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(array)$mapping['cascade'] : array();
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$this->isCascadeRemove = in_array('remove', $this->cascades);
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$this->isCascadePersist = in_array('persist', $this->cascades);
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$this->isCascadeRefresh = in_array('refresh', $this->cascades);
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$this->isCascadeMerge = in_array('merge', $this->cascades);
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$this->isCascadeDetach = in_array('detach', $this->cascades);
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}
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/**
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* Whether the association cascades delete() operations from the source entity
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* to the target entity/entities.
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*
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* @return boolean
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*/
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public function isCascadeRemove()
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{
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return $this->isCascadeRemove;
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}
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/**
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* Whether the association cascades save() operations from the source entity
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* to the target entity/entities.
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*
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* @return boolean
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*/
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public function isCascadePersist()
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{
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return $this->isCascadePersist;
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}
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/**
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* Whether the association cascades refresh() operations from the source entity
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* to the target entity/entities.
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*
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* @return boolean
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*/
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public function isCascadeRefresh()
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{
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return $this->isCascadeRefresh;
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}
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/**
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* Whether the association cascades merge() operations from the source entity
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* to the target entity/entities.
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*
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* @return boolean
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*/
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public function isCascadeMerge()
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{
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return $this->isCascadeMerge;
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}
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/**
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* Whether the association cascades detach() operations from the source entity
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* to the target entity/entities.
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*
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* @return boolean
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*/
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public function isCascadeDetach()
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{
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return $this->isCascadeDetach;
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}
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/**
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* Whether the target entity/entities of the association are eagerly fetched.
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*
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* @return boolean
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*/
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public function isEagerlyFetched()
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{
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return $this->fetchMode == self::FETCH_EAGER;
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}
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/**
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* Whether the target entity/entities of the association are lazily fetched.
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*
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* @return boolean
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*/
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public function isLazilyFetched()
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{
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return $this->fetchMode == self::FETCH_LAZY;
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}
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/**
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* Whether the source entity of this association represents the owning side.
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*
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* @return boolean
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*/
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public function isOwningSide()
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{
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return $this->isOwningSide;
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}
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/**
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* Whether the source entity of this association represents the inverse side.
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*
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* @return boolean
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*/
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public function isInverseSide()
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{
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return ! $this->isOwningSide;
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}
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/**
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* Whether the association is optional (0..X), or not (1..X).
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*
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* @return boolean TRUE if the association is optional, FALSE otherwise.
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* @todo Only applicable to OneToOne. Move there.
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*/
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public function isOptional()
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{
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return $this->isOptional;
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}
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/**
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* Gets the name of the source entity class.
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*
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* @return string
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*/
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public function getSourceEntityName()
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{
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return $this->sourceEntityName;
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}
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/**
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* Gets the name of the target entity class.
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*
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* @return string
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*/
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public function getTargetEntityName()
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{
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return $this->targetEntityName;
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}
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/**
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* Gets the join table definition, if any.
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*
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* @return array
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*/
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public function getJoinTable()
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{
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return $this->joinTable;
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}
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/**
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* Get the name of the field the association is mapped into.
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*
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* @return string
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*/
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public function getSourceFieldName()
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{
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return $this->sourceFieldName;
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}
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/**
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* Gets the field name of the owning side in a bi-directional association.
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* This is only set on the inverse side. When invoked on the owning side,
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* NULL is returned.
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*
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* @return string
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*/
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public function getMappedByFieldName()
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{
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return $this->mappedByFieldName;
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}
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/**
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* Whether the association is a one-to-one association.
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*
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* @return boolean
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*/
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public function isOneToOne()
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{
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return false;
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}
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/**
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* Whether the association is a one-to-many association.
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*
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* @return boolean
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*/
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public function isOneToMany()
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{
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return false;
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}
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/**
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* Whether the association is a many-to-many association.
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*
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* @return boolean
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*/
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public function isManyToMany()
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{
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return false;
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}
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/**
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* Whether the association uses a join table for the mapping.
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*
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* @return boolean
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*/
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public function usesJoinTable()
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{
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return (bool) $this->joinTable;
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}
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/**
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* Loads data in $target domain object using this association.
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* The data comes from the association navigated from $sourceEntity
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* using $em.
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*
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* @param object $sourceEntity
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* @param object $target an entity or a collection
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* @param EntityManager $em
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* @param array $joinColumnValues foreign keys (significative for this
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* association) of $sourceEntity, if needed
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*/
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abstract public function load($sourceEntity, $target, $em, array $joinColumnValues = array());
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/**
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*
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* @param $platform
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* @return unknown_type
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*/
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public function getQuotedJoinTableName($platform)
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{
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return isset($this->joinTable['quoted']) ?
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$platform->quoteIdentifier($this->joinTable['name']) :
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$this->joinTable['name'];
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}
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}
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