added Doctrine_Association_Self

Doctrine/Association/Self.php

+<?php
+/*
+ *  $Id$
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.phpdoctrine.com>.
+ */
+ 
+class Doctrine_Association_Self extends Doctrine_Association {
+    /**
+     * getRelationDql
+     *
+     * @param integer $count
+     * @return string
+     */
+    public function getRelationDql($count, $context = 'record') {    
+        switch($context):
+            case "record":
+                $sub    = "SELECT ".$this->foreign.
+                          " FROM ".$this->associationTable->getTableName().
+                          " WHERE ".$this->local.
+                          " = ?";
+                $sub2   = "SELECT ".$this->local.
+                          " FROM ".$this->associationTable->getTableName().
+                          " WHERE ".$this->foreign.
+                          " = ?";
+
+
+                $dql  = "FROM ".$this->table->getComponentName();
+                $dql .= ".".$this->associationTable->getComponentName();
+                $dql .= " WHERE ".$this->table->getComponentName().".".$this->table->getIdentifier()." IN ($sub)";
+                $dql .= " || ".$this->table->getComponentName().".".$this->table->getIdentifier()." IN ($sub2)";
+            break;
+            case "collection":
+                $sub  = substr(str_repeat("?, ", $count),0,-2);
+                $dql  = "FROM ".$this->associationTable->getComponentName().".".$this->table->getComponentName();
+                $dql .= " WHERE ".$this->associationTable->getComponentName().".".$this->local." IN ($sub)";
+        endswitch;
+
+        return $dql;
+    }
+}
+?>