BrokerRestartTestSupport.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;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;

import org.apache.activemq.util.IOHelper;

public class BrokerRestartTestSupport extends BrokerTestSupport {

   @Override
   protected BrokerService createBroker() throws Exception {
      BrokerService broker = new BrokerService();
      File dir = broker.getBrokerDataDirectory();
      if (dir != null) {
         IOHelper.deleteChildren(dir);
      }
      broker.setDeleteAllMessagesOnStartup(true);
      configureBroker(broker);
      return broker;
   }

   /**
    * @return
    * @throws Exception
    */
   protected BrokerService createRestartedBroker() throws Exception {
      BrokerService broker = new BrokerService();
      configureBroker(broker);
      return broker;
   }

   protected void configureBroker(BrokerService broker) throws Exception {
      broker.setDestinationPolicy(policyMap);
   }

   /**
    * Simulates a broker restart. The memory based persistence adapter is
    * reused so that it does not "loose" it's "persistent" messages.
    *
    * @throws IOException
    * @throws URISyntaxException
    */
   protected void restartBroker() throws Exception {
      broker.stop();
      broker.waitUntilStopped();
      broker = createRestartedBroker();
      broker.start();
   }

}