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;
018    
019    import java.io.IOException;
020    import java.util.Set;
021    
022    import org.apache.activemq.broker.ConnectionContext;
023    import org.apache.activemq.command.ActiveMQDestination;
024    import org.apache.activemq.command.ActiveMQTopic;
025    import org.apache.activemq.command.SubscriptionInfo;
026    
027    /**
028     * Used to create Destinations. One instance of DestinationFactory is used per BrokerService. 
029     * 
030     * @author fateev@amazon.com
031     * 
032     */
033    public abstract class DestinationFactory {
034        
035        /**
036         * Create destination implementation.
037         */
038        public abstract Destination createDestination(ConnectionContext context, ActiveMQDestination destination, DestinationStatistics destinationStatistics) throws Exception;
039    
040        public abstract void removeDestination(Destination dest);
041    
042        /**
043         * Returns a set of all the {@link org.apache.activemq.command.ActiveMQDestination}
044         * objects that the persistence store is aware exist.
045         */
046        public abstract Set<ActiveMQDestination> getDestinations();
047    
048        /**
049         * Lists all the durable subscirptions for a given destination.
050         */
051        public abstract SubscriptionInfo[] getAllDurableSubscriptions(ActiveMQTopic topic) throws IOException;
052    
053        
054        public abstract long getLastMessageBrokerSequenceId() throws IOException;
055    
056        public abstract void setRegionBroker(RegionBroker regionBroker);
057    }