110 lines
4.1 KiB
PHP
110 lines
4.1 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.phpdoctrine.org>.
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*/
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Doctrine::autoload('Doctrine_Relation');
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/**
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* Doctrine_Relation_Association
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*
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* This class is reponsible for lazy-loading the related objects in a many-to-many relation.
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*
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* @package Doctrine
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* @subpackage Relation
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.phpdoctrine.org
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* @since 1.0
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* @version $Revision$
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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class Doctrine_Relation_Association extends Doctrine_Relation
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{
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/**
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* @return Doctrine_Table
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*/
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public function getAssociationFactory()
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{
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return $this->definition['refTable'];
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}
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public function getAssociationTable()
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{
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return $this->definition['refTable'];
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}
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public function getAssociationClassName()
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{
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return $this->definition['refClass'];
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}
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/**
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* getRelationDql
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*
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* @param integer $count
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* @return string
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*/
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public function getRelationDql($count, $context = 'record')
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{
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//$table = $this->definition['refTable'];
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$assocRelationName = $this->definition['refClass'];
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$relatedClassName = $this->_foreignMapper->getComponentName();
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switch ($context) {
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case "record":
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$sub = substr(str_repeat("?, ", $count),0,-2);
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$dql = "FROM $relatedClassName";
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$dql .= " INNER JOIN $relatedClassName.$assocRelationName";
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//$dql .= " ON $relatedClassName.$assocRelationName.$inverseJoinColumn = $relatedClassName.$relatedClassIdentifier";
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$dql .= " WHERE $relatedClassName.$assocRelationName.{$this->definition['local']} IN ($sub)";
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break;
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case "collection":
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$sub = substr(str_repeat("?, ", $count),0,-2);
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$dql = "FROM $assocRelationName INNER JOIN $assocRelationName.$relatedClassName";
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//$dql .= " ON $relatedClassName.$assocRelationName.$inverseJoinColumn = $relatedClassName.$relatedClassIdentifier";
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$dql .= " WHERE $assocRelationName.{$this->definition['local']} IN ($sub)";
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break;
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}
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return $dql;
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}
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/**
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* fetchRelatedFor
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*
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* fetches a component related to given record
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*
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* @param Doctrine_Entity $record
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* @return Doctrine_Entity|Doctrine_Collection
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*/
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public function fetchRelatedFor(Doctrine_Entity $record)
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{
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// FIXME: composite key support
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$ids = $record->identifier();
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$id = count($ids) > 0 ? array_pop($ids) : null;
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if (empty($id) || ! $this->_foreignMapper->getClassMetadata()->getAttribute(Doctrine::ATTR_LOAD_REFERENCES)) {
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$coll = new Doctrine_Collection($this->getForeignComponentName());
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} else {
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$query = Doctrine_Query::create()->parseQuery($this->getRelationDql(1));
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$coll = Doctrine_Query::create()->query($this->getRelationDql(1), array($id));
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}
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$coll->setReference($record, $this);
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return $coll;
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}
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} |