<?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);
}
