001/*
002 * Copyright 2002-2007 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.remoting.support;
018
019import java.lang.reflect.InvocationTargetException;
020
021/**
022 * Strategy interface for executing a {@link RemoteInvocation} on a target object.
023 *
024 * <p>Used by {@link org.springframework.remoting.rmi.RmiServiceExporter} (for RMI invokers)
025 * and by {@link org.springframework.remoting.httpinvoker.HttpInvokerServiceExporter}.
026 *
027 * @author Juergen Hoeller
028 * @since 1.1
029 * @see DefaultRemoteInvocationFactory
030 * @see org.springframework.remoting.rmi.RmiServiceExporter#setRemoteInvocationExecutor
031 * @see org.springframework.remoting.httpinvoker.HttpInvokerServiceExporter#setRemoteInvocationExecutor
032 */
033public interface RemoteInvocationExecutor {
034
035        /**
036         * Perform this invocation on the given target object.
037         * Typically called when a RemoteInvocation is received on the server.
038         * @param invocation the RemoteInvocation
039         * @param targetObject the target object to apply the invocation to
040         * @return the invocation result
041         * @throws NoSuchMethodException if the method name could not be resolved
042         * @throws IllegalAccessException if the method could not be accessed
043         * @throws InvocationTargetException if the method invocation resulted in an exception
044         * @see java.lang.reflect.Method#invoke
045         */
046        Object invoke(RemoteInvocation invocation, Object targetObject)
047                        throws NoSuchMethodException, IllegalAccessException, InvocationTargetException;
048
049}