diff -r 000000000000 -r 7f95f8617b0b vendor/doctrine/lib/Doctrine/ORM/Persisters/AbstractCollectionPersister.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/lib/Doctrine/ORM/Persisters/AbstractCollectionPersister.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,191 @@
+<?php
+/*
+ * 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.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Persisters;
+
+use Doctrine\ORM\EntityManager,
+    Doctrine\ORM\PersistentCollection;
+
+/**
+ * Base class for all collection persisters.
+ *
+ * @since 2.0
+ * @author Roman Borschel <roman@code-factory.org>
+ */
+abstract class AbstractCollectionPersister
+{
+    /**
+     * @var EntityManager
+     */
+    protected $_em;
+
+    /**
+     * @var Doctrine\DBAL\Connection
+     */
+    protected $_conn;
+
+    /**
+     * @var Doctrine\ORM\UnitOfWork
+     */
+    protected $_uow;
+
+    /**
+     * Initializes a new instance of a class derived from AbstractCollectionPersister.
+     *
+     * @param Doctrine\ORM\EntityManager $em
+     */
+    public function __construct(EntityManager $em)
+    {
+        $this->_em = $em;
+        $this->_uow = $em->getUnitOfWork();
+        $this->_conn = $em->getConnection();
+    }
+
+    /**
+     * Deletes the persistent state represented by the given collection.
+     *
+     * @param PersistentCollection $coll
+     */
+    public function delete(PersistentCollection $coll)
+    {
+        $mapping = $coll->getMapping();
+        if ( ! $mapping['isOwningSide']) {
+            return; // ignore inverse side
+        }
+        $sql = $this->_getDeleteSQL($coll);
+        $this->_conn->executeUpdate($sql, $this->_getDeleteSQLParameters($coll));
+    }
+
+    /**
+     * Gets the SQL statement for deleting the given collection.
+     *
+     * @param PersistentCollection $coll
+     */
+    abstract protected function _getDeleteSQL(PersistentCollection $coll);
+
+    /**
+     * Gets the SQL parameters for the corresponding SQL statement to delete
+     * the given collection.
+     *
+     * @param PersistentCollection $coll
+     */
+    abstract protected function _getDeleteSQLParameters(PersistentCollection $coll);
+
+    /**
+     * Updates the given collection, synchronizing it's state with the database
+     * by inserting, updating and deleting individual elements.
+     *
+     * @param PersistentCollection $coll
+     */
+    public function update(PersistentCollection $coll)
+    {
+        $mapping = $coll->getMapping();
+        if ( ! $mapping['isOwningSide']) {
+            return; // ignore inverse side
+        }
+        $this->deleteRows($coll);
+        //$this->updateRows($coll);
+        $this->insertRows($coll);
+    }
+    
+    public function deleteRows(PersistentCollection $coll)
+    {        
+        $deleteDiff = $coll->getDeleteDiff();
+        $sql = $this->_getDeleteRowSQL($coll);
+        foreach ($deleteDiff as $element) {
+            $this->_conn->executeUpdate($sql, $this->_getDeleteRowSQLParameters($coll, $element));
+        }
+    }
+    
+    //public function updateRows(PersistentCollection $coll)
+    //{}
+    
+    public function insertRows(PersistentCollection $coll)
+    {
+        $insertDiff = $coll->getInsertDiff();
+        $sql = $this->_getInsertRowSQL($coll);
+        foreach ($insertDiff as $element) {
+            $this->_conn->executeUpdate($sql, $this->_getInsertRowSQLParameters($coll, $element));
+        }
+    }
+
+    public function count(PersistentCollection $coll)
+    {
+        throw new \BadMethodCallException("Counting the size of this persistent collection is not supported by this CollectionPersister.");
+    }
+
+    public function slice(PersistentCollection $coll, $offset, $length = null)
+    {
+        throw new \BadMethodCallException("Slicing elements is not supported by this CollectionPersister.");
+    }
+
+    public function contains(PersistentCollection $coll, $element)
+    {
+        throw new \BadMethodCallException("Checking for existance of an element is not supported by this CollectionPersister.");
+    }
+
+    public function containsKey(PersistentCollection $coll, $key)
+    {
+        throw new \BadMethodCallException("Checking for existance of a key is not supported by this CollectionPersister.");
+    }
+
+    public function get(PersistentCollection $coll, $index)
+    {
+        throw new \BadMethodCallException("Selecting a collection by index is not supported by this CollectionPersister.");
+    }
+
+    /**
+     * Gets the SQL statement used for deleting a row from the collection.
+     * 
+     * @param PersistentCollection $coll
+     */
+    abstract protected function _getDeleteRowSQL(PersistentCollection $coll);
+
+    /**
+     * Gets the SQL parameters for the corresponding SQL statement to delete the given
+     * element from the given collection.
+     *
+     * @param PersistentCollection $coll
+     * @param mixed $element
+     */
+    abstract protected function _getDeleteRowSQLParameters(PersistentCollection $coll, $element);
+
+    /**
+     * Gets the SQL statement used for updating a row in the collection.
+     *
+     * @param PersistentCollection $coll
+     */
+    abstract protected function _getUpdateRowSQL(PersistentCollection $coll);
+
+    /**
+     * Gets the SQL statement used for inserting a row in the collection.
+     *
+     * @param PersistentCollection $coll
+     */
+    abstract protected function _getInsertRowSQL(PersistentCollection $coll);
+
+    /**
+     * Gets the SQL parameters for the corresponding SQL statement to insert the given
+     * element of the given collection into the database.
+     *
+     * @param PersistentCollection $coll
+     * @param mixed $element
+     */
+    abstract protected function _getInsertRowSQLParameters(PersistentCollection $coll, $element);
+}
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