diff -r 000000000000 -r 7f95f8617b0b vendor/doctrine/lib/Doctrine/ORM/ORMException.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/lib/Doctrine/ORM/ORMException.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,133 @@
+<?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;
+
+use Exception;
+
+/**
+ * Base exception class for all ORM exceptions.
+ *
+ * @author Roman Borschel <roman@code-factory.org>
+ * @since 2.0
+ */
+class ORMException extends Exception
+{
+    public static function missingMappingDriverImpl()
+    {
+        return new self("It's a requirement to specify a Metadata Driver and pass it ".
+            "to Doctrine\ORM\Configuration::setMetadataDriverImpl().");
+    }
+    
+    public static function entityMissingForeignAssignedId($entity, $relatedEntity)
+    {
+        return new self(
+            "Entity of type " . get_class($entity) . " has identity through a foreign entity " . get_class($relatedEntity) . ", " .
+            "however this entity has no ientity itself. You have to call EntityManager#persist() on the related entity " .
+            "and make sure it an identifier was generated before trying to persist '" . get_class($entity) . "'. In case " .
+            "of Post Insert ID Generation (such as MySQL Auto-Increment or PostgreSQL SERIAL) this means you have to call " .
+            "EntityManager#flush() between both persist operations."
+        );
+    }
+
+    public static function entityMissingAssignedId($entity)
+    {
+        return new self("Entity of type " . get_class($entity) . " is missing an assigned ID. " .
+            "The identifier generation strategy for this entity requires the ID field to be populated before ".
+            "EntityManager#persist() is called. If you want automatically generated identifiers instead " . 
+            "you need to adjust the metadata mapping accordingly."
+        );
+    }
+
+    public static function unrecognizedField($field)
+    {
+        return new self("Unrecognized field: $field");
+    }
+
+    public static function invalidFlushMode($mode)
+    {
+        return new self("'$mode' is an invalid flush mode.");
+    }
+
+    public static function entityManagerClosed()
+    {
+        return new self("The EntityManager is closed.");
+    }
+
+    public static function invalidHydrationMode($mode)
+    {
+        return new self("'$mode' is an invalid hydration mode.");
+    }
+
+    public static function mismatchedEventManager()
+    {
+        return new self("Cannot use different EventManager instances for EntityManager and Connection.");
+    }
+
+    public static function findByRequiresParameter($methodName)
+    {
+        return new self("You need to pass a parameter to '".$methodName."'");
+    }
+
+    public static function invalidFindByCall($entityName, $fieldName, $method)
+    {
+        return new self(
+            "Entity '".$entityName."' has no field '".$fieldName."'. ".
+            "You can therefore not call '".$method."' on the entities' repository"
+        );
+    }
+
+    public static function invalidFindByInverseAssociation($entityName, $associationFieldName)
+    {
+        return new self(
+            "You cannot search for the association field '".$entityName."#".$associationFieldName."', ".
+            "because it is the inverse side of an association. Find methods only work on owning side associations."
+        );
+    }
+
+    public static function invalidResultCacheDriver() {
+        return new self("Invalid result cache driver; it must implement \Doctrine\Common\Cache\Cache.");
+    }
+
+    public static function notSupported() {
+        return new self("This behaviour is (currently) not supported by Doctrine 2");
+    }
+
+    public static function queryCacheNotConfigured()
+    {
+        return new self('Query Cache is not configured.');
+    }
+
+    public static function metadataCacheNotConfigured()
+    {
+        return new self('Class Metadata Cache is not configured.');
+    }
+
+    public static function proxyClassesAlwaysRegenerating()
+    {
+        return new self('Proxy Classes are always regenerating.');
+    }
+
+    public static function unknownEntityNamespace($entityNamespaceAlias)
+    {
+        return new self(
+            "Unknown Entity namespace alias '$entityNamespaceAlias'."
+        );
+    }
+}