home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

ActiveMQ example source code file (MessageGroupHashBucketFactory.java)

This example ActiveMQ source code file (MessageGroupHashBucketFactory.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

messagegrouphashbucket, messagegrouphashbucket, messagegrouphashbucketfactory, messagegrouphashbucketfactory, messagegroupmap, messagegroupmap, messagegroupmapfactory, messagegroupmapfactory

The ActiveMQ MessageGroupHashBucketFactory.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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.activemq.broker.region.group;

 * A factory to create instances of {@link SimpleMessageGroupMap} when
 * implementing the <a
 * href="http://activemq.apache.org/message-groups.html">Message
 * Groups</a> functionality.
 * @org.apache.xbean.XBean
public class MessageGroupHashBucketFactory implements MessageGroupMapFactory {

    private int bucketCount = 1024;

    public MessageGroupMap createMessageGroupMap() {
        return new MessageGroupHashBucket(bucketCount);

    public int getBucketCount() {
        return bucketCount;

     * Sets the number of hash buckets to use for the message group
     * functionality. This is only applicable to using message groups to
     * parallelize processing of a queue while preserving order across an
     * individual JMSXGroupID header value. This value sets the number of hash
     * buckets that will be used (i.e. the maximum possible concurrency).
    public void setBucketCount(int bucketCount) {
        this.bucketCount = bucketCount;


Other ActiveMQ examples (source code examples)

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

new blog posts


Copyright 1998-2016 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.