RemoteEventDispatcher


1   package org.apache.beehive.controls.api.events;
2   /*
3    * Copyright 2004 The Apache Software Foundation.
4    *
5    * Licensed under the Apache License, Version 2.0 (the "License");
6    * you may not use this file except in compliance with the License.
7    * You may obtain a copy of the License at
8    * 
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   *
17   * $Header:$
18   */
19  
20  import java.rmi.RemoteException  ;
21  
22  import org.apache.beehive.controls.api.context.ControlHandle;
23  
24  /**
25   * The RemoteEventDispatcher interface defines the method signature that a container supporting
26   * the external dispatch of Control events would implement if events can be dispatched using RMI.
27   */
28  public interface RemoteEventDispatcher
29  {
30      /**
31       * Dispatches a Control event to a target control.
32       * @param target the target control
33       * @param event the event to deliver to the control
34       * @param args the parameters to the control event
35       * @throws IllegalAccessException the underlying event method is not accessible due to
36       *         access control.
37       * @throws IllegalArgumentException the target is not valid, the event is not a valid event
38       *         type for the requested target, or the argument types do not match the event
39       *         signature.
40       * @throws InvocationTargetException wraps any exception thrown by the underlying event
41       *         handler.
42       */ 
43      public Object   dispatchEvent(ControlHandle target, EventRef event, Object   [] args)
44                    throws RemoteException  ;
45  }
46

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