60 lines
2.1 KiB
PHP
60 lines
2.1 KiB
PHP
<?php
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/**
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* Doctrine_Association this class takes care of association mapping
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* (= many-to-many relationships, where the relationship is handled with an additional relational table
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* which holds 2 foreign keys)
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*
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*
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* @package Doctrine ORM
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* @url www.phpdoctrine.com
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* @license LGPL
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*/
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class Doctrine_Association extends Doctrine_Relation {
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/**
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* @var Doctrine_Table $associationTable
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*/
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private $associationTable;
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/**
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* the constructor
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* @param Doctrine_Table $table foreign factory object
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* @param Doctrine_Table $associationTable factory which handles the association
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* @param string $local local field name
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* @param string $foreign foreign field name
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* @param integer $type type of relation
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* @see Doctrine_Table constants
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*/
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public function __construct(Doctrine_Table $table, Doctrine_Table $associationTable, $local, $foreign, $type, $alias) {
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parent::__construct($table, $local, $foreign, $type, $alias);
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$this->associationTable = $associationTable;
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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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return $this->associationTable;
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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, $context = 'record') {
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$sub = "SELECT ".$this->foreign.
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" FROM ".$this->associationTable->getTableName().
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" WHERE ".$this->local.
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" IN (".substr(str_repeat("?, ", $count),0,-2).")";
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$dql = "FROM ".$this->table->getComponentName();
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if($context != 'record')
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$dql .= ":".$this->associationTable->getComponentName();
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$dql .= " WHERE ".$this->table->getComponentName().".".$this->table->getIdentifier().
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" IN ($sub)";
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return $dql;
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}
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}
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