PerDurableConsumerDeadLetterTest.java

/**
 * 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.policy;

import javax.jms.Destination;

import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.policy.IndividualDeadLetterStrategy;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.command.ActiveMQQueue;

/**
 * for durable subs, allow a dlq per subscriber such that poison messages are not duplicates
 * on the dlq and such that rejecting consumers can be identified
 * https://issues.apache.org/jira/browse/AMQ-3003
 */
public class PerDurableConsumerDeadLetterTest extends DeadLetterTest {

   private static final String CLIENT_ID = "george";

   @Override
   protected BrokerService createBroker() throws Exception {
      BrokerService broker = super.createBroker();

      PolicyEntry policy = new PolicyEntry();
      IndividualDeadLetterStrategy strategy = new IndividualDeadLetterStrategy();
      strategy.setProcessNonPersistent(true);
      strategy.setDestinationPerDurableSubscriber(true);
      policy.setDeadLetterStrategy(strategy);

      PolicyMap pMap = new PolicyMap();
      pMap.setDefaultEntry(policy);

      broker.setDestinationPolicy(pMap);

      return broker;
   }

   @Override
   protected String createClientId() {
      return CLIENT_ID;
   }

   @Override
   protected Destination createDlqDestination() {
      String prefix = topic ? "ActiveMQ.DLQ.Topic." : "ActiveMQ.DLQ.Queue.";
      String destinationName = prefix + getClass().getName() + "." + getName();
      if (durableSubscriber) {
         String subName = // connectionId:SubName
            CLIENT_ID + ":" + getDestination().toString();
         destinationName += "." + subName;
      }
      return new ActiveMQQueue(destinationName);
   }
}