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ac387f5f7b
* Allows single factory to be specified and individual consumers to use it to create appropriate application-region-scoped messengers. * New interface more appropriate for where non-DI use will be required, e.g. Ehcache peer providers. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@33846 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
83 lines
2.1 KiB
Java
83 lines
2.1 KiB
Java
/*
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* Copyright (C) 2005-2012 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.repo.cluster;
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import java.io.Serializable;
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import org.springframework.extensions.surf.util.ParameterCheck;
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import com.hazelcast.core.ITopic;
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import com.hazelcast.core.MessageListener;
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/**
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* Hazelcast-based implementation of the {@link Messenger} interface.
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*
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* @see HazelcastMessengerFactory
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* @author Matt Ward
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*/
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public class HazelcastMessenger<T extends Serializable> implements Messenger<T>, MessageListener<T>
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{
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private ITopic<T> topic;
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private MessageReceiver<T> receiverDelegate;
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/**
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* @param topic
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*/
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public HazelcastMessenger(ITopic<T> topic)
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{
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this.topic = topic;
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}
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@Override
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public void send(T message)
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{
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topic.publish(message);
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}
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@Override
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public void setReceiver(MessageReceiver<T> receiver)
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{
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// Install a delegate to ready to handle incoming messages.
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receiverDelegate = receiver;
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// Start receiving messages.
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topic.addMessageListener(this);
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}
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@Override
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public void onMessage(T message)
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{
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ParameterCheck.mandatory("message", message);
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receiverDelegate.onReceive(message);
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}
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@Override
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public boolean isConnected()
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{
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return true;
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}
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protected ITopic<T> getTopic()
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{
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return topic;
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}
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}
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