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1   package org.apache.torque.adapter;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  /***
23   * Interface for various ID retrieval method types
24   * (i.e. auto-increment, sequence, ID broker, etc.).
25   *
26   * @author <a href="mailto:dlr@collab.net">Daniel Rall</a>
27   * @version $Id: IDMethod.java 473821 2006-11-11 22:37:25Z tv $
28   */
29  public interface IDMethod
30  {
31      /***
32       * Key generation via database-specific ID method
33       * (i.e. auto-increment for MySQL, sequence for Oracle, etc.).
34       */
35      String NATIVE = "native";
36  
37      /***
38       * Key generation via auto-increment.
39       */
40      String AUTO_INCREMENT = "autoincrement";
41  
42      /***
43       * Key generation via sequences.
44       */
45      String SEQUENCE = "sequence";
46  
47      /***
48       * Key generation via the IDBroker table.
49       */
50      String ID_BROKER = "idbroker";
51  
52      /***
53       * No RDBMS key generation (keys may be generated by the
54       * application).
55       */
56      String NO_ID_METHOD = "none";
57  }