<?php

/*
 *  $Id: IDMethod.php 521 2007-01-05 13:29:36Z heltem $
 *
 * 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 please see
 * <http://propel.phpdb.org>.
 */

/**
 * Interface for various ID retrieval method types
 * (i.e. auto-increment, sequence, ID broker, etc.).
 *
 * @author     Hans Lellelid <hans@xmpl.org> (Propel)
 * @author     Daniel Rall <dlr@collab.net> (Torque)
 * @version    $Revision: 521 $
 * @package    propel.engine.database.model
 */
interface IDMethod {

	/**
	 * Key generation via database-specific ID method
	 * (i.e. auto-increment for MySQL, sequence for Oracle, etc.).
	 */
	const NATIVE = "native";

	/**
	 * No RDBMS key generation (keys may be generated by the
	 * application).
	 */
	const NO_ID_METHOD = "none";

}
