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 */ 017 package org.apache.activemq.broker.region.policy; 018 019 import org.apache.activemq.broker.Broker; 020 import org.apache.activemq.broker.region.DurableTopicSubscription; 021 import org.apache.activemq.broker.region.Subscription; 022 import org.apache.activemq.broker.region.cursors.AbstractPendingMessageCursor; 023 import org.apache.activemq.broker.region.cursors.FilePendingMessageCursor; 024 import org.apache.activemq.broker.region.cursors.PendingMessageCursor; 025 026 /** 027 * Creates a PendIngMessageCursor for Durable subscribers * 028 * 029 * @org.apache.xbean.XBean element="fileDurableSubscriberCursor" 030 * description="Pending messages for durable subscribers 031 * held in temporary files" 032 * 033 */ 034 public class FilePendingDurableSubscriberMessageStoragePolicy implements PendingDurableSubscriberMessageStoragePolicy { 035 036 /** 037 * Retrieve the configured pending message storage cursor; 038 * @param broker 039 * 040 * @param clientId 041 * @param name 042 * @param maxBatchSize 043 * @param sub 044 * @return the Pending Message cursor 045 */ 046 public PendingMessageCursor getSubscriberPendingMessageCursor(Broker broker,String clientId, String name, int maxBatchSize, DurableTopicSubscription sub) { 047 return new FilePendingMessageCursor(broker,name,AbstractPendingMessageCursor.isPrioritizedMessageSubscriber(broker, sub)); 048 } 049 }