AbortSlowConsumerBase.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.ExceptionListener;
import javax.jms.JMSException;
import java.util.ArrayList;
import java.util.List;

import org.apache.activemq.JmsMultipleClientsTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.policy.AbortSlowConsumerStrategy;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.junit.Before;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class AbortSlowConsumerBase extends JmsMultipleClientsTestSupport implements ExceptionListener {

   private static final Logger LOG = LoggerFactory.getLogger(AbortSlowConsumerBase.class);

   protected AbortSlowConsumerStrategy underTest;
   protected boolean abortConnection = false;
   protected long checkPeriod = 2 * 1000;
   protected long maxSlowDuration = 5 * 1000;
   protected final List<Throwable> exceptions = new ArrayList<>();

   @Override
   @Before
   public void setUp() throws Exception {
      exceptions.clear();
      topic = true;
      underTest = createSlowConsumerStrategy();
      super.setUp();
      createDestination();
   }

   protected AbortSlowConsumerStrategy createSlowConsumerStrategy() {
      return new AbortSlowConsumerStrategy();
   }

   @Override
   protected BrokerService createBroker() throws Exception {
      BrokerService broker = super.createBroker();
      PolicyEntry policy = new PolicyEntry();
      underTest.setAbortConnection(abortConnection);
      underTest.setCheckPeriod(checkPeriod);
      underTest.setMaxSlowDuration(maxSlowDuration);

      policy.setSlowConsumerStrategy(underTest);
      policy.setQueuePrefetch(10);
      policy.setTopicPrefetch(10);
      PolicyMap pMap = new PolicyMap();
      pMap.setDefaultEntry(policy);
      broker.setDestinationPolicy(pMap);
      return broker;
   }

   @Override
   public void onException(JMSException exception) {
      exceptions.add(exception);
      exception.printStackTrace();
   }

}