ActiveMQ example source code file (LocalBrokerFacade.java)

This example ActiveMQ source code file (LocalBrokerFacade.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

brokerservice, brokerservice, destination, destination, exception, exception, iterator, localbrokerfacade, management, object, override, queryexp, queue, queue, set, util

The ActiveMQ LocalBrokerFacade.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.web;

import java.util.Iterator;
import java.util.Set;

import javax.management.ObjectName;
import javax.management.QueryExp;

import org.apache.activemq.broker.Broker;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.BrokerView;
import org.apache.activemq.broker.jmx.BrokerViewMBean;
import org.apache.activemq.broker.jmx.ManagedRegionBroker;
import org.apache.activemq.broker.jmx.ManagementContext;
import org.apache.activemq.broker.region.Destination;
import org.apache.activemq.broker.region.Queue;
import org.apache.activemq.command.ActiveMQDestination;

/**
 * An implementation of {@link BrokerFacade} which uses a local in JVM broker
 * 
 * 
 */
public class LocalBrokerFacade extends BrokerFacadeSupport {
	private BrokerService brokerService;

	public LocalBrokerFacade(BrokerService brokerService) {
		this.brokerService = brokerService;
	}

	public BrokerService getBrokerService() {
		return brokerService;
	}
	public String getBrokerName() throws Exception {
		return brokerService.getBrokerName();
	}
	public Broker getBroker() throws Exception {
		return brokerService.getBroker();
	}
	public ManagementContext getManagementContext() {
		return brokerService.getManagementContext();
	}
	public BrokerViewMBean getBrokerAdmin() throws Exception {
		return brokerService.getAdminView();
	}
	public ManagedRegionBroker getManagedBroker() throws Exception {
		BrokerView adminView = brokerService.getAdminView();
		if (adminView == null) {
			return null;
		}
		return adminView.getBroker();
	}

    public void purgeQueue(ActiveMQDestination destination) throws Exception {
        Set destinations = getManagedBroker().getQueueRegion().getDestinations(destination);
        for (Iterator i = destinations.iterator(); i.hasNext();) {
            Destination dest = (Destination) i.next();
            if (dest instanceof Queue) {
                Queue regionQueue = (Queue) dest;
                regionQueue.purge();
            }
        }
    }

    @Override
    public Set queryNames(ObjectName name, QueryExp query) throws Exception {
        return getManagementContext().queryNames(name, query);
    }

    @Override
    public Object newProxyInstance(ObjectName objectName, Class interfaceClass, boolean notificationBroadcaster) {
        return getManagementContext().newProxyInstance(objectName, interfaceClass, notificationBroadcaster);
    }
    
}