/**
* 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.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;
private int cacheSize = 64;
public MessageGroupMap createMessageGroupMap() {
return new MessageGroupHashBucket(getBucketCount(), getCacheSize());
}
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;
}
public int getCacheSize() {
return cacheSize;
}
public void setCacheSize(int cacheSize) {
this.cacheSize = cacheSize;
}
}