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ActiveMQ example source code file (NetworkConnector.java)

This example ActiveMQ source code file (NetworkConnector.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

activemqdestination, copyonwritearraylist, demandforwardingbridgesupport, exception, exception, list, list, management, net, network, network, networkbridge, networkconnector, objectname, objectname, threading, threads, uri, util

The ActiveMQ NetworkConnector.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.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;

import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;

import org.apache.activemq.Service;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.AnnotatedMBean;
import org.apache.activemq.broker.jmx.NetworkBridgeView;
import org.apache.activemq.broker.jmx.NetworkBridgeViewMBean;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportFactory;
import org.apache.activemq.util.JMXSupport;
import org.apache.activemq.util.ServiceStopper;
import org.apache.activemq.util.ServiceSupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 */
public abstract class NetworkConnector extends NetworkBridgeConfiguration implements Service {

    private static final Logger LOG = LoggerFactory.getLogger(NetworkConnector.class);
    protected URI localURI;
    protected ConnectionFilter connectionFilter;
    protected ConcurrentHashMap<URI, NetworkBridge> bridges = new ConcurrentHashMap();
    
    protected ServiceSupport serviceSupport = new ServiceSupport() {

        protected void doStart() throws Exception {
            handleStart();
        }

        protected void doStop(ServiceStopper stopper) throws Exception {
            handleStop(stopper);
        }
    };

    private Set<ActiveMQDestination> durableDestinations;
    private List<ActiveMQDestination> excludedDestinations = new CopyOnWriteArrayList();
    private List<ActiveMQDestination> dynamicallyIncludedDestinations = new CopyOnWriteArrayList();
    private List<ActiveMQDestination> staticallyIncludedDestinations = new CopyOnWriteArrayList();
    private BrokerService brokerService;
    private ObjectName objectName;
    
    public NetworkConnector() {
    }

    public NetworkConnector(URI localURI) {
        this.localURI = localURI;
    }

    public URI getLocalUri() throws URISyntaxException {
        return localURI;
    }

    public void setLocalUri(URI localURI) {
        this.localURI = localURI;
    }

    /**
     * @return Returns the durableDestinations.
     */
    public Set getDurableDestinations() {
        return durableDestinations;
    }

    /**
     * @param durableDestinations The durableDestinations to set.
     */
    public void setDurableDestinations(Set<ActiveMQDestination> durableDestinations) {
        this.durableDestinations = durableDestinations;
    }

    /**
     * @return Returns the excludedDestinations.
     */
    public List<ActiveMQDestination> getExcludedDestinations() {
        return excludedDestinations;
    }

    /**
     * @param excludedDestinations The excludedDestinations to set.
     */
    public void setExcludedDestinations(List<ActiveMQDestination> excludedDestinations) {
        this.excludedDestinations = excludedDestinations;
    }

    public void addExcludedDestination(ActiveMQDestination destiantion) {
        this.excludedDestinations.add(destiantion);
    }

    /**
     * @return Returns the staticallyIncludedDestinations.
     */
    public List<ActiveMQDestination> getStaticallyIncludedDestinations() {
        return staticallyIncludedDestinations;
    }

    /**
     * @param staticallyIncludedDestinations The staticallyIncludedDestinations
     *                to set.
     */
    public void setStaticallyIncludedDestinations(List<ActiveMQDestination> staticallyIncludedDestinations) {
        this.staticallyIncludedDestinations = staticallyIncludedDestinations;
    }

    public void addStaticallyIncludedDestination(ActiveMQDestination destiantion) {
        this.staticallyIncludedDestinations.add(destiantion);
    }

    /**
     * @return Returns the dynamicallyIncludedDestinations.
     */
    public List<ActiveMQDestination> getDynamicallyIncludedDestinations() {
        return dynamicallyIncludedDestinations;
    }

    /**
     * @param dynamicallyIncludedDestinations The
     *                dynamicallyIncludedDestinations to set.
     */
    public void setDynamicallyIncludedDestinations(List<ActiveMQDestination> dynamicallyIncludedDestinations) {
        this.dynamicallyIncludedDestinations = dynamicallyIncludedDestinations;
    }

    public void addDynamicallyIncludedDestination(ActiveMQDestination destiantion) {
        this.dynamicallyIncludedDestinations.add(destiantion);
    }

    public ConnectionFilter getConnectionFilter() {
        return connectionFilter;
    }

    public void setConnectionFilter(ConnectionFilter connectionFilter) {
        this.connectionFilter = connectionFilter;
    }

    // Implementation methods
    // -------------------------------------------------------------------------
    protected NetworkBridge configureBridge(DemandForwardingBridgeSupport result) {
        List<ActiveMQDestination> destsList = getDynamicallyIncludedDestinations();
        ActiveMQDestination dests[] = destsList.toArray(new ActiveMQDestination[destsList.size()]);
        result.setDynamicallyIncludedDestinations(dests);
        destsList = getExcludedDestinations();
        dests = destsList.toArray(new ActiveMQDestination[destsList.size()]);
        result.setExcludedDestinations(dests);
        destsList = getStaticallyIncludedDestinations();
        dests = destsList.toArray(new ActiveMQDestination[destsList.size()]);
        result.setStaticallyIncludedDestinations(dests);
        if (durableDestinations != null) {
            
            HashSet<ActiveMQDestination> topics = new HashSet();
            for (ActiveMQDestination d : durableDestinations) {
                if( d.isTopic() ) {
                    topics.add(d);
                }
            }
            
            ActiveMQDestination[] dest = new ActiveMQDestination[topics.size()];
            dest = (ActiveMQDestination[])topics.toArray(dest);
            result.setDurableDestinations(dest);
        }
        return result;
    }

    protected Transport createLocalTransport() throws Exception {
        return TransportFactory.connect(localURI);
    }

    public void start() throws Exception {
        serviceSupport.start();
    }

    public void stop() throws Exception {
        serviceSupport.stop();
    }

    protected void handleStart() throws Exception {
        if (localURI == null) {
            throw new IllegalStateException("You must configure the 'localURI' property");
        }
        LOG.info("Network Connector " + this + " Started");
    }

    protected void handleStop(ServiceStopper stopper) throws Exception {
        LOG.info("Network Connector " + this + " Stopped");
    }

    public ObjectName getObjectName() {
        return objectName;
    }

    public void setObjectName(ObjectName objectName) {
        this.objectName = objectName;
    }

    public BrokerService getBrokerService() {
        return brokerService;
    }

    public void setBrokerService(BrokerService brokerService) {
        this.brokerService = brokerService;
    }

    protected void registerNetworkBridgeMBean(NetworkBridge bridge) {
        if (!getBrokerService().isUseJmx()) {
            return;
        }
        NetworkBridgeViewMBean view = new NetworkBridgeView(bridge);
        try {
            ObjectName objectName = createNetworkBridgeObjectName(bridge);
            AnnotatedMBean.registerMBean(getBrokerService().getManagementContext(), view, objectName);
        } catch (Throwable e) {
            LOG.debug("Network bridge could not be registered in JMX: " + e.getMessage(), e);
        }
    }

    protected void unregisterNetworkBridgeMBean(NetworkBridge bridge) {
        if (!getBrokerService().isUseJmx()) {
            return;
        }
        try {
            ObjectName objectName = createNetworkBridgeObjectName(bridge);
            getBrokerService().getManagementContext().unregisterMBean(objectName);
        } catch (Throwable e) {
            LOG.debug("Network bridge could not be unregistered in JMX: " + e.getMessage(), e);
        }
    }
    

    @SuppressWarnings("unchecked")
    protected ObjectName createNetworkBridgeObjectName(NetworkBridge bridge) throws MalformedObjectNameException {
        ObjectName connectorName = getObjectName();
        Map<String, String> map = new HashMap(connectorName.getKeyPropertyList());
        return new ObjectName(connectorName.getDomain() + ":" + "BrokerName=" + JMXSupport.encodeObjectNamePart((String)map.get("BrokerName")) + "," + "Type=NetworkBridge,"
                              + "NetworkConnectorName=" + JMXSupport.encodeObjectNamePart((String)map.get("NetworkConnectorName")) + "," + "Name="
                              + JMXSupport.encodeObjectNamePart(JMXSupport.encodeObjectNamePart(bridge.getRemoteAddress())));
    }

    // ask all the bridges as we can't know to which this consumer is tied
    public boolean removeDemandSubscription(ConsumerId consumerId) {
        boolean removeSucceeded = false;
        for (NetworkBridge bridge : bridges.values()) {
            if (bridge instanceof DemandForwardingBridgeSupport) {
                DemandForwardingBridgeSupport demandBridge = (DemandForwardingBridgeSupport) bridge;
                if (demandBridge.removeDemandSubscriptionByLocalId(consumerId)) {
                    removeSucceeded = true;
                    break;
                }
            }
        }
        return removeSucceeded;
    }
    
    public Collection<NetworkBridge> activeBridges() {
        return bridges.values();
    }

}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ NetworkConnector.java source code file:

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