View Javadoc

1   /*
2    * Copyright 2005 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at 
7    * 
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software 
11   * distributed under the License is distributed on an "AS IS" BASIS, 
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
13   * See the License for the specific language governing permissions and 
14   * limitations under the License.
15   */
16  
17  /*
18   *  RegisterClassListener.java
19   *
20   */
21  
22  package javax.jdo.spi;
23  
24  import java.util.EventListener;
25  
26  /***
27   * A "RegisterClassEvent" event gets fired whenever a persistence-capable class 
28   * is loaded and gets registered with the <code>JDOImplHelper</code>. You can register a 
29   * <code>RegisterClassListener</code> so as to be notified of any registration of a 
30   * persistence-capable class.
31   *
32   * @version 1.0
33   */
34  public interface RegisterClassListener 
35      extends EventListener
36  {
37      /***
38       * This method gets called when a persistence-capable class is registered.
39       * @param event a <code>RegisterClassEvent</code> instance describing the registered 
40       * class plus metadata.
41       */
42      public void registerClass(RegisterClassEvent event);
43  }