package org.apache.torque.engine.database.model;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE

  * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the

  * License. You may obtain a copy of the License at

  * 

  * http://www.apache.org/licenses/LICENSE-2.0

  * 

  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on

  * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the

  * specific language governing permissions and limitations under the License.

  */

 /**

  * Interface for various ID retrieval method types. This currently includes native, ID broker, and none.

  * 

  * @author <a href="mailto:dlr@collab.net">Daniel Rall</a>

  * @version $Id: IDMethod.java,v 1.1 2007-10-21 07:57:27 abyrne Exp $

  */

 public interface IDMethod {

     void empty();

     /**

      * Key generation via database-specific ID method. For example, this would be auto-increment for MySQL, sequence for

      * Oracle, etc.

      */

     String NATIVE = "native";

     /**

      * Key generation via the IDBroker table.

      */

     String ID_BROKER = "idbroker";

     /**

      * No RDBMS key generation (keys may be generated by the application).

      */

     String NO_ID_METHOD = "none";

 }