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ActiveMQ example source code file (BrokerBroadcaster.java)

This example ActiveMQ source code file (BrokerBroadcaster.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, broker, broker, brokerbroadcaster, destination, exception, exception, list, override, override, producerinfo, sessioninfo, transactionid, transactionid, util

The ActiveMQ BrokerBroadcaster.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.broker;

import java.util.ArrayList;
import java.util.List;
import org.apache.activemq.broker.region.Destination;
import org.apache.activemq.broker.region.Subscription;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.BrokerInfo;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
import org.apache.activemq.command.SessionInfo;
import org.apache.activemq.command.TransactionId;

/**
 * Used to add listeners for Broker actions
 * 
 * 
 */
public class BrokerBroadcaster extends BrokerFilter {
    protected volatile Broker[] listeners = new Broker[0];

    public BrokerBroadcaster(Broker next) {
        super(next);
    }

    @Override
    public void acknowledge(ConsumerBrokerExchange consumerExchange, MessageAck ack) throws Exception {
        next.acknowledge(consumerExchange, ack);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].acknowledge(consumerExchange, ack);
        }
    }

    @Override
    public void addConnection(ConnectionContext context, ConnectionInfo info) throws Exception {
        next.addConnection(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].addConnection(context, info);
        }
    }

    @Override
    public Subscription addConsumer(ConnectionContext context, ConsumerInfo info) throws Exception {
        Subscription answer = next.addConsumer(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].addConsumer(context, info);
        }
        return answer;
    }

    @Override
    public void addProducer(ConnectionContext context, ProducerInfo info) throws Exception {
        next.addProducer(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].addProducer(context, info);
        }
    }

    @Override
    public void commitTransaction(ConnectionContext context, TransactionId xid, boolean onePhase) throws Exception {
        next.commitTransaction(context, xid, onePhase);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].commitTransaction(context, xid, onePhase);
        }
    }

    @Override
    public void removeSubscription(ConnectionContext context, RemoveSubscriptionInfo info) throws Exception {
        next.removeSubscription(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].removeSubscription(context, info);
        }
    }

    @Override
    public int prepareTransaction(ConnectionContext context, TransactionId xid) throws Exception {
        int result = next.prepareTransaction(context, xid);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            // TODO decide what to do with return values
            brokers[i].prepareTransaction(context, xid);
        }
        return result;
    }

    @Override
    public void removeConnection(ConnectionContext context, ConnectionInfo info, Throwable error) throws Exception {
        next.removeConnection(context, info, error);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].removeConnection(context, info, error);
        }
    }

    @Override
    public void removeConsumer(ConnectionContext context, ConsumerInfo info) throws Exception {
        next.removeConsumer(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].removeConsumer(context, info);
        }
    }

    @Override
    public void removeProducer(ConnectionContext context, ProducerInfo info) throws Exception {
        next.removeProducer(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].removeProducer(context, info);
        }
    }

    @Override
    public void rollbackTransaction(ConnectionContext context, TransactionId xid) throws Exception {
        next.rollbackTransaction(context, xid);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].rollbackTransaction(context, xid);
        }
    }

    @Override
    public void send(ProducerBrokerExchange producerExchange, Message messageSend) throws Exception {
        next.send(producerExchange, messageSend);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].send(producerExchange, messageSend);
        }
    }

    @Override
    public void beginTransaction(ConnectionContext context, TransactionId xid) throws Exception {
        next.beginTransaction(context, xid);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].beginTransaction(context, xid);
        }
    }

    @Override
    public void forgetTransaction(ConnectionContext context, TransactionId transactionId) throws Exception {
        next.forgetTransaction(context, transactionId);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].forgetTransaction(context, transactionId);
        }
    }

    @Override
    public Destination addDestination(ConnectionContext context, ActiveMQDestination destination,boolean createIfTemporary) throws Exception {
        Destination result = next.addDestination(context, destination,createIfTemporary);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].addDestination(context, destination,createIfTemporary);
        }
        return result;
    }

    @Override
    public void removeDestination(ConnectionContext context, ActiveMQDestination destination, long timeout) throws Exception {
        next.removeDestination(context, destination, timeout);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].removeDestination(context, destination, timeout);
        }
    }

    @Override
    public void start() throws Exception {
        next.start();
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].start();
        }
    }

    @Override
    public void stop() throws Exception {
        next.stop();
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].stop();
        }
    }

    @Override
    public void addSession(ConnectionContext context, SessionInfo info) throws Exception {
        next.addSession(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].addSession(context, info);
        }
    }

    @Override
    public void removeSession(ConnectionContext context, SessionInfo info) throws Exception {
        next.removeSession(context, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].removeSession(context, info);
        }
    }

    @Override
    public void gc() {
        next.gc();
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].gc();
        }
    }

    @Override
    public void addBroker(Connection connection, BrokerInfo info) {
        next.addBroker(connection, info);
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            brokers[i].addBroker(connection, info);
        }
    }

    protected Broker[] getListeners() {
        return listeners;
    }

    public synchronized void addListener(Broker broker) {
        List<Broker> tmp = getListenersAsList();
        tmp.add(broker);
        listeners = tmp.toArray(new Broker[tmp.size()]);
    }

    public synchronized void removeListener(Broker broker) {
        List<Broker> tmp = getListenersAsList();
        tmp.remove(broker);
        listeners = tmp.toArray(new Broker[tmp.size()]);
    }

    protected List<Broker> getListenersAsList() {
        List<Broker> tmp = new ArrayList();
        Broker brokers[] = getListeners();
        for (int i = 0; i < brokers.length; i++) {
            tmp.add(brokers[i]);
        }
        return tmp;
    }
}

Other ActiveMQ examples (source code examples)

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

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