001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq.broker.region.policy; 018 019import org.apache.activemq.broker.Broker; 020import org.apache.activemq.broker.region.DurableTopicSubscription; 021import org.apache.activemq.broker.region.Subscription; 022import org.apache.activemq.broker.region.cursors.AbstractPendingMessageCursor; 023import org.apache.activemq.broker.region.cursors.PendingMessageCursor; 024import org.apache.activemq.broker.region.cursors.VMPendingMessageCursor; 025 026/** 027 * Creates a VMPendingMessageCursor * 028 * 029 * @org.apache.xbean.XBean element="vmDurableCursor" description="Pending 030 * messages held in the JVM" 031 * 032 */ 033public class VMPendingDurableSubscriberMessageStoragePolicy implements PendingDurableSubscriberMessageStoragePolicy { 034 035 /** 036 * Retrieve the configured pending message storage cursor; 037 * @param broker 038 * @param clientId 039 * @param name 040 * @param maxBatchSize 041 * @param sub 042 * @return the Pending Message cursor 043 */ 044 public PendingMessageCursor getSubscriberPendingMessageCursor(Broker broker,String clientId, String name,int maxBatchSize, DurableTopicSubscription sub) { 045 return new VMPendingMessageCursor(AbstractPendingMessageCursor.isPrioritizedMessageSubscriber(broker, sub)); 046 } 047}