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 }