001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.proxy2;
019
020import java.io.Serializable;
021import java.lang.reflect.Method;
022
023/**
024 * An invoker is responsible for handling a method invocation.
025 * 
026 * @since 1.0
027 */
028public interface Invoker extends Serializable
029{
030    //******************************************************************************************************************
031    // Other Methods
032    //******************************************************************************************************************
033
034    /**
035     * "Invokes" the method. Implementation should throw a {@link org.apache.commons.proxy2.exception.InvokerException}
036     * if problems arise while trying to invoke the method.
037     * 
038     * @param proxy
039     *            the proxy2 object
040     * @param method
041     *            the method being invoked
042     * @param arguments
043     *            the arguments
044     * @return the return value
045     * @throws Throwable
046     *             thrown by the implementation
047     */
048    Object invoke(Object proxy, Method method, Object[] arguments) throws Throwable;
049}