Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/doctrine/Doctrine/Common/Persistence/ObjectManager.php
<?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\Common\Persistence;

/**
 * Contract for a Doctrine persistence layer ObjectManager class to implement.
 *
 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link    www.doctrine-project.org
 * @since   2.1
 * @author  Benjamin Eberlei <hide@address.com>
 * @author  Jonathan Wage <hide@address.com>
 */
interface ObjectManager
{
    /**
     * Finds a object by its identifier.
     *
     * This is just a convenient shortcut for getRepository($className)->find($id).
     *
     * @param string
     * @param mixed
     * @return object
     */
    public function find($className, $id);

    /**
     * Tells the ObjectManager to make an instance managed and persistent.
     *
     * The object will be entered into the database as a result of the flush operation.
     * 
     * NOTE: The persist operation always considers objects that are not yet known to
     * this ObjectManager as NEW. Do not pass detached objects to the persist operation.
     *
     * @param object $object The instance to make managed and persistent.
     */
    public function persist($object);

    /**
     * Removes an object instance.
     *
     * A removed object will be removed from the database as a result of the flush operation.
     *
     * @param object $object The object instance to remove.
     */
    public function remove($object);

    /**
     * Merges the state of a detached object into the persistence context
     * of this ObjectManager and returns the managed copy of the object.
     * The object passed to merge will not become associated/managed with this ObjectManager.
     *
     * @param object $object
     */
    public function merge($object);

    /**
     * Detaches an object from the ObjectManager, causing a managed object to
     * become detached. Unflushed changes made to the object if any
     * (including removal of the object), will not be synchronized to the database.
     * Objects which previously referenced the detached object will continue to
     * reference it.
     *
     * @param object $object The object to detach.
     */
    public function detach($object);

    /**
     * Refreshes the persistent state of an object from the database,
     * overriding any local changes that have not yet been persisted.
     *
     * @param object $object The object to refresh.
     */
    public function refresh($object);

    /**
     * Flushes all changes to objects that have been queued up to now to the database.
     * This effectively synchronizes the in-memory state of managed objects with the
     * database.
     */
    public function flush();

    /**
     * Gets the repository for a class.
     *
     * @param string $className
     * @return \Doctrine\Common\Persistence\ObjectRepository
     */
    public function getRepository($className);

    /**
     * Returns the ClassMetadata descriptor for a class.
     *
     * The class name must be the fully-qualified class name without a leading backslash
     * (as it is returned by get_class($obj)).
     *
     * @param string $className
     * @return \Doctrine\Common\Persistence\Mapping\ClassMetadata
     */
    public function getClassMetadata($className);

    /**
     * Gets the metadata factory used to gather the metadata of classes.
     *
     * @return Doctrine\Common\Persistence\Mapping\ClassMetadataFactory
     */
    public function getMetadataFactory();
}
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