001 /** 002 * 003 * Copyright 2005 LogicBlaze, Inc. 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * 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 **/ 018 package org.logicblaze.lingo.jms.marshall; 019 020 import org.logicblaze.lingo.LingoInvocation; 021 import org.logicblaze.lingo.jms.Requestor; 022 import org.springframework.remoting.support.RemoteInvocation; 023 import org.springframework.remoting.support.RemoteInvocationResult; 024 025 import javax.jms.JMSException; 026 import javax.jms.Message; 027 028 /** 029 * @version $Revision: 1.1 $ 030 */ 031 public interface Marshaller { 032 /** 033 * Creates the request message 034 * 035 * @param requestor 036 * @param invocation the remote invocation to send 037 * @throws javax.jms.JMSException if the message could not be created 038 */ 039 Message createRequestMessage(Requestor requestor, LingoInvocation invocation) throws JMSException; 040 041 /** 042 * Extracts the invocation result from the response message 043 * 044 * @param message the response message 045 * @return the invocation result 046 * @throws javax.jms.JMSException is thrown if a JMS exception occurs 047 */ 048 RemoteInvocationResult extractInvocationResult(Message message) throws JMSException; 049 050 /** 051 * Read a RemoteInvocation from the given JMS message 052 * 053 * @param message current JMS message 054 * @return the RemoteInvocation object 055 */ 056 RemoteInvocation readRemoteInvocation(Message message) throws JMSException; 057 }