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ActiveMQ example source code file (TopicSubscriptionView.java)

This example ActiveMQ source code file (TopicSubscriptionView.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

durabletopicsubscription, durabletopicsubscription, override, subscriptionview, subscriptionview, topicsubscription, topicsubscription, topicsubscriptionview, topicsubscriptionview, topicsubscriptionviewmbean

The ActiveMQ TopicSubscriptionView.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.jmx;

import org.apache.activemq.broker.region.DurableTopicSubscription;
import org.apache.activemq.broker.region.TopicSubscription;

/**
 * 
 * 
 */
public class TopicSubscriptionView extends SubscriptionView implements TopicSubscriptionViewMBean {

    public TopicSubscriptionView(String clientId, TopicSubscription subs) {
        super(clientId, subs);
    }

    protected TopicSubscription getTopicSubscription() {
        return (TopicSubscription)subscription;
    }

    /**
     * @return the number of messages discarded due to being a slow consumer
     */
    public int getDiscardedCount() {
        TopicSubscription topicSubscription = getTopicSubscription();
        return topicSubscription != null ? topicSubscription.discarded() : 0;
    }

    /**
     * @return the maximun number of messages that can be pending.
     */
    public int getMaximumPendingQueueSize() {
        TopicSubscription topicSubscription = getTopicSubscription();
        return topicSubscription != null ? topicSubscription.getMaximumPendingMessages() : 0;
    }

    /**
     * 
     */
    public void setMaximumPendingQueueSize(int max) {
        TopicSubscription topicSubscription = getTopicSubscription();
        if (topicSubscription != null) {
            topicSubscription.setMaximumPendingMessages(max);
        }
    }

    @Override
    public boolean isActive() {
        if (subscription instanceof DurableTopicSubscription) {
            return ((DurableTopicSubscription)subscription).isActive();
        } else {
            return super.isActive();
        }
    }

    

}

Other ActiveMQ examples (source code examples)

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