--- /dev/null
+<?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 MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Persistence\Mapping;
+
+/**
+ * Contract for a Doctrine persistence layer ClassMetadata class to implement.
+ *
+ * @link www.doctrine-project.org
+ * @since 2.1
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @author Jonathan Wage <jonwage@gmail.com>
+ */
+interface ClassMetadataFactory
+{
+ /**
+ * Forces the factory to load the metadata of all classes known to the underlying
+ * mapping driver.
+ *
+ * @return array The ClassMetadata instances of all mapped classes.
+ */
+ public function getAllMetadata();
+
+ /**
+ * Gets the class metadata descriptor for a class.
+ *
+ * @param string $className The name of the class.
+ *
+ * @return ClassMetadata
+ */
+ public function getMetadataFor($className);
+
+ /**
+ * Checks whether the factory has the metadata for a class loaded already.
+ *
+ * @param string $className
+ *
+ * @return boolean TRUE if the metadata of the class in question is already loaded, FALSE otherwise.
+ */
+ public function hasMetadataFor($className);
+
+ /**
+ * Sets the metadata descriptor for a specific class.
+ *
+ * @param string $className
+ *
+ * @param ClassMetadata $class
+ */
+ public function setMetadataFor($className, $class);
+
+ /**
+ * Returns whether the class with the specified name should have its metadata loaded.
+ * This is only the case if it is either mapped directly or as a MappedSuperclass.
+ *
+ * @param string $className
+ *
+ * @return boolean
+ */
+ public function isTransient($className);
+}