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ActiveMQ example source code file (DemandForwardingBridge.java)
The ActiveMQ DemandForwardingBridge.java source code/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.activemq.network; import java.io.IOException; import org.apache.activemq.command.BrokerId; import org.apache.activemq.command.BrokerInfo; import org.apache.activemq.command.Command; import org.apache.activemq.command.ConsumerInfo; import org.apache.activemq.command.NetworkBridgeFilter; import org.apache.activemq.transport.Transport; import org.apache.activemq.util.ServiceSupport; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Forwards messages from the local broker to the remote broker based on demand. * * @org.apache.xbean.XBean * * */ public class DemandForwardingBridge extends DemandForwardingBridgeSupport { private static final Logger LOG = LoggerFactory.getLogger(DemandForwardingBridge.class); protected final BrokerId remoteBrokerPath[] = new BrokerId[] {null}; protected Object brokerInfoMutex = new Object(); protected BrokerId remoteBrokerId; public DemandForwardingBridge(NetworkBridgeConfiguration configuration, Transport localBroker, Transport remoteBroker) { super(configuration, localBroker, remoteBroker); } protected void serviceRemoteBrokerInfo(Command command) throws IOException { synchronized (brokerInfoMutex) { BrokerInfo remoteBrokerInfo = (BrokerInfo)command; remoteBrokerId = remoteBrokerInfo.getBrokerId(); remoteBrokerPath[0] = remoteBrokerId; remoteBrokerName = remoteBrokerInfo.getBrokerName(); if (localBrokerId != null) { if (localBrokerId.equals(remoteBrokerId)) { if (LOG.isTraceEnabled()) { LOG.trace(configuration.getBrokerName() + " disconnecting remote loop back connection: " + remoteBrokerName); } ServiceSupport.dispose(this); } } if (LOG.isTraceEnabled()) { LOG.trace("counting down remoteBrokerNameKnownLatch with: " + command); } remoteBrokerNameKnownLatch.countDown(); } } protected void addRemoteBrokerToBrokerPath(ConsumerInfo info) { info.setBrokerPath(appendToBrokerPath(info.getBrokerPath(), getRemoteBrokerPath())); } protected void serviceLocalBrokerInfo(Command command) throws InterruptedException { synchronized (brokerInfoMutex) { localBrokerId = ((BrokerInfo)command).getBrokerId(); localBrokerPath[0] = localBrokerId; localBrokerIdKnownLatch.countDown(); if (remoteBrokerId != null) { if (remoteBrokerId.equals(localBrokerId)) { if (LOG.isTraceEnabled()) { LOG.trace(configuration.getBrokerName() + " disconnecting local loop back connection."); } waitStarted(); ServiceSupport.dispose(this); } } } } protected NetworkBridgeFilter createNetworkBridgeFilter(ConsumerInfo info) throws IOException { return new NetworkBridgeFilter(remoteBrokerPath[0], configuration.getNetworkTTL()); } protected BrokerId[] getRemoteBrokerPath() { return remoteBrokerPath; } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ DemandForwardingBridge.java source code file: |
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