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ActiveMQ example source code file (ActiveMQComponent.java)

This example ActiveMQ source code file (ActiveMQComponent.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

activemqcomponent, activemqcomponent, activemqconfiguration, activemqconfiguration, activemqconnectionfactory, camelendpointloader, copyonwritearraylist, copyonwritearraylist, exception, jmscomponent, override, override, service, singleconnectionfactory, threading, threads

The ActiveMQ ActiveMQComponent.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.camel.component;

import java.util.concurrent.CopyOnWriteArrayList;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.Service;
import org.apache.camel.CamelContext;
import org.apache.camel.component.jms.JmsComponent;
import org.apache.camel.component.jms.JmsConfiguration;
import org.springframework.jms.connection.SingleConnectionFactory;

/**
 * The <a href="http://activemq.apache.org/camel/activemq.html">ActiveMQ Component
 *
 * 
 */
public class ActiveMQComponent extends JmsComponent {
    private final CopyOnWriteArrayList<SingleConnectionFactory> singleConnectionFactoryList =
        new CopyOnWriteArrayList<SingleConnectionFactory>();
    private final CopyOnWriteArrayList<Service> pooledConnectionFactoryServiceList =
        new CopyOnWriteArrayList<Service>();
    private boolean exposeAllQueues;
    private CamelEndpointLoader endpointLoader;

    /**
     * Creates an <a href="http://camel.apache.org/activemq.html">ActiveMQ Component
     *
     * @return the created component
     */
    public static ActiveMQComponent activeMQComponent() {
        return new ActiveMQComponent();
    }

    /**
     * Creates an <a href="http://camel.apache.org/activemq.html">ActiveMQ Component
     * connecting to the given <a href="http://activemq.apache.org/configuring-transports.html">broker URL
     *
     * @param brokerURL the URL to connect to
     * @return the created component
     */
    public static ActiveMQComponent activeMQComponent(String brokerURL) {
        ActiveMQComponent answer = new ActiveMQComponent();
        if (answer.getConfiguration() instanceof ActiveMQConfiguration) {
            ((ActiveMQConfiguration) answer.getConfiguration())
                    .setBrokerURL(brokerURL);
        }

        // set the connection factory with the provided broker url
        answer.setConnectionFactory(new ActiveMQConnectionFactory(brokerURL));
        return answer;
    }

    public ActiveMQComponent() {
    }

    public ActiveMQComponent(CamelContext context) {
        super(context);
    }

    public ActiveMQComponent(ActiveMQConfiguration configuration) {
        super(configuration);
    }


    public void setBrokerURL(String brokerURL) {
        if (getConfiguration() instanceof ActiveMQConfiguration) {
            ((ActiveMQConfiguration)getConfiguration()).setBrokerURL(brokerURL);
        }
    }

    public void setUserName(String userName) {
        if (getConfiguration() instanceof ActiveMQConfiguration) {
            ((ActiveMQConfiguration)getConfiguration()).setUserName(userName);
        }
    }

    public void setPassword(String password) {
        if (getConfiguration() instanceof ActiveMQConfiguration) {
            ((ActiveMQConfiguration)getConfiguration()).setPassword(password);
        }
    }

    public boolean isExposeAllQueues() {
        return exposeAllQueues;
    }

    /**
     * If enabled this will cause all Queues in the ActiveMQ broker to be eagerly populated into the CamelContext
     * so that they can be easily browsed by any Camel tooling. This option is disabled by default.
     *
     * @param exposeAllQueues
     */
    public void setExposeAllQueues(boolean exposeAllQueues) {
        this.exposeAllQueues = exposeAllQueues;
    }

    public void setUsePooledConnection(boolean usePooledConnection) {
        if (getConfiguration() instanceof ActiveMQConfiguration) {
            ((ActiveMQConfiguration)getConfiguration()).setUsePooledConnection(usePooledConnection);
        }
    }

    public void setUseSingleConnection(boolean useSingleConnection) {
        if (getConfiguration() instanceof ActiveMQConfiguration) {
            ((ActiveMQConfiguration)getConfiguration()).setUseSingleConnection(useSingleConnection);
        }
    }

    protected void addPooledConnectionFactoryService(Service pooledConnectionFactoryService) {
        pooledConnectionFactoryServiceList.add(pooledConnectionFactoryService);
    }

    protected void addSingleConnectionFactory(SingleConnectionFactory singleConnectionFactory) {
        singleConnectionFactoryList.add(singleConnectionFactory);
    }

    @Override
    protected void doStart() throws Exception {
        super.doStart();
        if (isExposeAllQueues()) {
            endpointLoader = new CamelEndpointLoader(getCamelContext());
            endpointLoader.afterPropertiesSet();
        }
    }

    @Override
    protected void doStop() throws Exception {
        if (endpointLoader != null) {
            endpointLoader.destroy();
            endpointLoader = null;
        }
        for (Service s : pooledConnectionFactoryServiceList) {
            s.stop();
        }
        pooledConnectionFactoryServiceList.clear();
        for (SingleConnectionFactory s : singleConnectionFactoryList) {
            s.destroy();
        }
        singleConnectionFactoryList.clear();
        super.doStop();
    }

    @Override
    public void setConfiguration(JmsConfiguration configuration) {
        if (configuration instanceof ActiveMQConfiguration) {
            ((ActiveMQConfiguration) configuration).setActiveMQComponent(this);
        }
        super.setConfiguration(configuration);
    }

    @Override
    protected JmsConfiguration createConfiguration() {
        ActiveMQConfiguration answer = new ActiveMQConfiguration();
        answer.setActiveMQComponent(this);
        return answer;
    }
}

Other ActiveMQ examples (source code examples)

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

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