kahaDbJdbcLeaseQueueMasterSlaveTest.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.
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package org.apache.activemq.broker.ft;

import javax.sql.DataSource;
import java.io.IOException;
import java.net.URI;

import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.store.jdbc.DataSourceServiceSupport;
import org.apache.activemq.store.jdbc.LeaseDatabaseLocker;
import org.apache.activemq.store.jdbc.Statements;
import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
import org.apache.activemq.util.DefaultIOExceptionHandler;
import org.apache.activemq.util.IOHelper;
import org.apache.derby.jdbc.EmbeddedDataSource;

public class kahaDbJdbcLeaseQueueMasterSlaveTest extends QueueMasterSlaveTestSupport {

   protected DataSource sharedDs;
   protected String MASTER_URL = "tcp://localhost:62001";
   protected String SLAVE_URL = "tcp://localhost:62002";

   @Override
   protected void setUp() throws Exception {
      // startup db
      sharedDs = new SyncCreateDataSource((EmbeddedDataSource) DataSourceServiceSupport.createDataSource(IOHelper.getDefaultDataDirectory()));
      super.setUp();
   }

   @Override
   protected void createMaster() throws Exception {
      master = new BrokerService();
      master.setBrokerName("master");
      master.addConnector(MASTER_URL);
      master.setUseJmx(false);
      master.setPersistent(true);
      master.setDeleteAllMessagesOnStartup(true);
      KahaDBPersistenceAdapter kahaDBPersistenceAdapter = (KahaDBPersistenceAdapter) master.getPersistenceAdapter();
      LeaseDatabaseLocker leaseDatabaseLocker = new LeaseDatabaseLocker();
      leaseDatabaseLocker.setCreateTablesOnStartup(true);
      leaseDatabaseLocker.setDataSource(getExistingDataSource());
      leaseDatabaseLocker.setStatements(new Statements());
      kahaDBPersistenceAdapter.setLocker(leaseDatabaseLocker);
      configureLocker(kahaDBPersistenceAdapter);
      configureBroker(master);
      master.start();
   }

   protected void configureBroker(BrokerService brokerService) {
      DefaultIOExceptionHandler stopBrokerOnStoreException = new DefaultIOExceptionHandler();
      // we want any store io exception to stop the broker
      stopBrokerOnStoreException.setIgnoreSQLExceptions(false);
      brokerService.setIoExceptionHandler(stopBrokerOnStoreException);
   }

   @Override
   protected void createSlave() throws Exception {
      // use a separate thread as the slave will block waiting for
      // the exclusive db lock
      Thread t = new Thread() {
         @Override
         public void run() {
            try {
               BrokerService broker = new BrokerService();
               broker.setBrokerName("slave");
               TransportConnector connector = new TransportConnector();
               connector.setUri(new URI(SLAVE_URL));
               broker.addConnector(connector);
               broker.setUseJmx(false);
               broker.setPersistent(true);
               KahaDBPersistenceAdapter kahaDBPersistenceAdapter = (KahaDBPersistenceAdapter) broker.getPersistenceAdapter();
               LeaseDatabaseLocker leaseDatabaseLocker = new LeaseDatabaseLocker();
               leaseDatabaseLocker.setDataSource(getExistingDataSource());
               leaseDatabaseLocker.setStatements(new Statements());
               kahaDBPersistenceAdapter.setLocker(leaseDatabaseLocker);
               configureLocker(kahaDBPersistenceAdapter);
               configureBroker(broker);
               broker.start();
               slave.set(broker);
               slaveStarted.countDown();
            } catch (IllegalStateException expectedOnShutdown) {
            } catch (Exception e) {
               fail("failed to start slave broker, reason:" + e);
            }
         }
      };
      t.start();
   }

   protected void configureLocker(KahaDBPersistenceAdapter kahaDBPersistenceAdapter) throws IOException {
      kahaDBPersistenceAdapter.setLockKeepAlivePeriod(500);
      kahaDBPersistenceAdapter.getLocker().setLockAcquireSleepInterval(500);
   }

   @Override
   public void testVirtualTopicFailover() throws Exception {
      // Ignoring for now, see AMQ-4842
   }

   protected DataSource getExistingDataSource() throws Exception {
      return sharedDs;
   }

}