View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  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  
18  package org.apache.commons.proxy2;
19  
20  import java.io.Serializable;
21  import java.lang.reflect.Method;
22  
23  /**
24   * An invoker is responsible for handling a method invocation.
25   * 
26   * @since 1.0
27   */
28  public interface Invoker extends Serializable
29  {
30      //******************************************************************************************************************
31      // Other Methods
32      //******************************************************************************************************************
33  
34      /**
35       * "Invokes" the method. Implementation should throw a {@link org.apache.commons.proxy2.exception.InvokerException}
36       * if problems arise while trying to invoke the method.
37       * 
38       * @param proxy
39       *            the proxy2 object
40       * @param method
41       *            the method being invoked
42       * @param arguments
43       *            the arguments
44       * @return the return value
45       * @throws Throwable
46       *             thrown by the implementation
47       */
48      Object invoke(Object proxy, Method method, Object[] arguments) throws Throwable;
49  }