--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine-migrations/lib/Doctrine/DBAL/Migrations/AbstractMigration.php	Fri Nov 25 18:55:43 2011 +0100
@@ -0,0 +1,178 @@
+<?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\DBAL\Migrations;
+
+use Doctrine\DBAL\Schema\Schema,
+    Doctrine\DBAL\Migrations\Configuration\Configuration,
+    Doctrine\DBAL\Migrations\Version;
+
+/**
+ * Abstract class for individual migrations to extend from.
+ *
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @link        www.doctrine-project.org
+ * @since       2.0
+ * @author      Jonathan H. Wage <jonwage@gmail.com>
+ */
+abstract class AbstractMigration
+{
+    /**
+     * The Migrations Configuration instance for this migration
+     *
+     * @var Configuration
+     */
+    private $configuration;
+
+    /**
+     * The OutputWriter object instance used for outputting information
+     *
+     * @var OutputWriter
+     */
+    private $outputWriter;
+
+    /**
+     * The Doctrine\DBAL\Connection instance we are migrating
+     *
+     * @var Connection
+     */
+    protected $connection;
+
+    /**
+     * Reference to the SchemaManager instance referened by $_connection
+     *
+     * @var \Doctrine\DBAL\Schema\AbstractSchemaManager
+     */
+    protected $sm;
+
+    /**
+     * Reference to the DatabasePlatform instance referenced by $_conection
+     *
+     * @var \Doctrine\DBAL\Platforms\AbstractPlatform
+     */
+    protected $platform;
+
+    /**
+     * Reference to the Version instance representing this migration
+     *
+     * @var Version
+     */
+    protected $version;
+
+    public function __construct(Version $version)
+    {
+        $this->configuration = $version->getConfiguration();
+        $this->outputWriter = $this->configuration->getOutputWriter();
+        $this->connection = $this->configuration->getConnection();
+        $this->sm = $this->connection->getSchemaManager();
+        $this->platform = $this->connection->getDatabasePlatform();
+        $this->version = $version;
+    }
+
+    /**
+     * Get custom migration name
+     *
+     * @return string
+     */
+    public function getName()
+    {
+    }
+
+    abstract public function up(Schema $schema);
+    abstract public function down(Schema $schema);
+
+    protected function addSql($sql, array $params = array())
+    {
+        return $this->version->addSql($sql, $params);
+    }
+
+    protected function write($message)
+    {
+        $this->outputWriter->write($message);
+    }
+
+    protected function throwIrreversibleMigrationException($message = null)
+    {
+        if ($message === null) {
+            $message = 'This migration is irreversible and cannot be reverted.';
+        }
+        throw new IrreversibleMigrationException($message);
+    }
+
+    /**
+     * Print a warning message if the condition evalutes to TRUE.
+     *
+     * @param bool $condition
+     * @param string $message
+     */
+    public function warnIf($condition, $message = '')
+    {
+        $message = (strlen($message)) ? $message : 'Unknown Reason';
+
+        if ($condition === true) {
+            $this->outputWriter->write('    <warning>Warning during ' . $this->version->getExecutionState() . ': ' . $message . '</warning>');
+        }
+    }
+
+    /**
+     * Abort the migration if the condition evalutes to TRUE.
+     *
+     * @param bool $condition
+     * @param string $message
+     */
+    public function abortIf($condition, $message = '')
+    {
+        $message = (strlen($message)) ? $message : 'Unknown Reason';
+
+        if ($condition === true) {
+            throw new AbortMigrationException($message);
+        }
+    }
+
+    /**
+     * Skip this migration (but not the next ones) if condition evalutes to TRUE.
+     *
+     * @param bool $condition
+     * @param string $message
+     */
+    public function skipIf($condition, $message = '')
+    {
+        $message = (strlen($message)) ? $message : 'Unknown Reason';
+
+        if ($condition === true) {
+            throw new SkipMigrationException($message);
+        }
+    }
+
+    public function preUp(Schema $schema)
+    {
+    }
+
+    public function postUp(Schema $schema)
+    {
+    }
+
+    public function preDown(Schema $schema)
+    {
+    }
+
+    public function postDown(Schema $schema)
+    {
+    }
+}