001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.messaging;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.kernel.messaging.sender.MessageSender;
020    import com.liferay.portal.kernel.messaging.sender.SingleDestinationMessageSender;
021    
022    /**
023     * @author Michael C. Han
024     * @author Brian Wing Shun Chan
025     */
026    public abstract class BaseMessageStatusMessageListener
027            implements MessageListener {
028    
029            public BaseMessageStatusMessageListener() {
030            }
031    
032            /**
033             * @deprecated As of 6.1.0
034             */
035            @Deprecated
036            public BaseMessageStatusMessageListener(
037                    SingleDestinationMessageSender statusSender,
038                    MessageSender responseSender) {
039    
040                    _statusSender = statusSender;
041                    _responseSender = responseSender;
042            }
043    
044            @Override
045            public void receive(Message message) {
046                    MessageStatus messageStatus = new MessageStatus();
047    
048                    messageStatus.startTimer();
049    
050                    try {
051                            doReceive(message, messageStatus);
052                    }
053                    catch (Exception e) {
054                            _log.error(
055                                    "Unable to process request " + message.getDestinationName(), e);
056    
057                            messageStatus.setException(e);
058                    }
059                    finally {
060                            messageStatus.stopTimer();
061    
062                            _statusSender.send(messageStatus);
063                    }
064            }
065    
066            public void setResponseSender(MessageSender responseSender) {
067                    _responseSender = responseSender;
068            }
069    
070            public void setStatusSender(SingleDestinationMessageSender statusSender) {
071                    _statusSender = statusSender;
072            }
073    
074            protected abstract void doReceive(
075                            Message message, MessageStatus messageStatus)
076                    throws Exception;
077    
078            protected MessageSender getResponseSender() {
079                    return _responseSender;
080            }
081    
082            private static final Log _log = LogFactoryUtil.getLog(
083                    BaseMessageStatusMessageListener.class);
084    
085            private MessageSender _responseSender;
086            private SingleDestinationMessageSender _statusSender;
087    
088    }