package org.apache.helix.mock.participant;
   
   /*
    * 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.
   */
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.CountDownLatch;
  
  import org.I0Itec.zkclient.DataUpdater;
  import org.I0Itec.zkclient.exception.ZkNoNodeException;
  import org.apache.helix.AccessOption;
  import org.apache.helix.HelixManager;
  import org.apache.helix.HelixManagerFactory;
  import org.apache.helix.InstanceType;
  import org.apache.helix.NotificationContext;
  import org.apache.helix.ZNRecord;
  import org.apache.helix.ZkHelixTestManager;
  import org.apache.helix.mock.participant.DummyProcess.DummyLeaderStandbyStateModelFactory;
  import org.apache.helix.mock.participant.DummyProcess.DummyOnlineOfflineStateModelFactory;
  import org.apache.helix.model.Message;
  import org.apache.helix.participant.StateMachineEngine;
  import org.apache.helix.participant.statemachine.StateModel;
  import org.apache.helix.participant.statemachine.StateModelFactory;
  import org.apache.helix.participant.statemachine.StateModelInfo;
  import org.apache.helix.participant.statemachine.Transition;
  import org.apache.helix.store.zk.ZkHelixPropertyStore;
  import org.apache.log4j.Logger;
  
  
  public class MockParticipant extends Thread
  {
    private static Logger           LOG                      =
                                                                 Logger.getLogger(MockParticipant.class);
    private final String            _clusterName;
    private final String            _instanceName;
    // private final String _zkAddr;
  
    private final CountDownLatch    _startCountDown          = new CountDownLatch(1);
    private final CountDownLatch    _stopCountDown           = new CountDownLatch(1);
    private final CountDownLatch    _waitStopFinishCountDown = new CountDownLatch(1);
  
    private final ZkHelixTestManager _manager;
    private final StateModelFactory _msModelFactory;
    private final MockJobIntf       _job;
  
    public MockParticipant(String clusterName, String instanceName, String zkAddr) throws Exception
    {
      this(clusterName, instanceName, zkAddr, null, null);
    }
  
    public MockParticipant(String clusterName,
                           String instanceName,
                           String zkAddr,
                           MockTransition transition) throws Exception
    {
      this(clusterName, instanceName, zkAddr, transition, null);
    }
  
    public MockParticipant(String clusterName,
                           String instanceName,
                           String zkAddr,
                           MockTransition transition,
                           MockJobIntf job) throws Exception
    {
      _clusterName = clusterName;
      _instanceName = instanceName;
      _msModelFactory = new MockMSModelFactory(transition);
  
      _manager = new ZkHelixTestManager(_clusterName, _instanceName, InstanceType.PARTICIPANT, zkAddr);
      _job = job;
    }
  
    public MockParticipant(StateModelFactory factory,
                           String clusterName,
                           String instanceName,
                           String zkAddr,
                           MockJobIntf job) throws Exception
    {
      _clusterName = clusterName;
      _instanceName = instanceName;
     _msModelFactory = factory;
 
     _manager = new ZkHelixTestManager(_clusterName, _instanceName, InstanceType.PARTICIPANT, zkAddr);
     _job = job;
   }
 
   public StateModelFactory getStateModelFactory()
   {
     return _msModelFactory;
   }
 
   public MockParticipant(ZkHelixTestManager manager, MockTransition transition)
   {
     _clusterName = manager.getClusterName();
     _instanceName = manager.getInstanceName();
     _manager = manager;
 
     _msModelFactory = new MockMSModelFactory(transition);
     _job = null;
   }
 
   public void setTransition(MockTransition transition)
   {
     if (_msModelFactory instanceof MockMSModelFactory)
     {
       ((MockMSModelFactory) _msModelFactory).setTrasition(transition);
     }
   }
 
   public ZkHelixTestManager getManager()
   {
     return _manager;
   }
 
   public String getInstanceName()
   {
     return _instanceName;
   }
 
   public String getClusterName()
   {
     return _clusterName;
   }
 
   public void syncStop()
   {
     _stopCountDown.countDown();
     try
     {
       _waitStopFinishCountDown.await();
     }
     catch (InterruptedException e)
     {
       // TODO Auto-generated catch block
       e.printStackTrace();
     }
 
     // synchronized (_manager)
     // {
     // _manager.disconnect();
     // }
   }
 
   public void syncStart()
   {
     super.start();
     try
     {
       _startCountDown.await();
     }
     catch (InterruptedException e)
     {
       // TODO Auto-generated catch block
       e.printStackTrace();
     }
   }
 
   @Override
   public void run()
   {
     try
     {
       StateMachineEngine stateMach = _manager.getStateMachineEngine();
       stateMach.registerStateModelFactory("MasterSlave", _msModelFactory);
 
       DummyLeaderStandbyStateModelFactory lsModelFactory =
           new DummyLeaderStandbyStateModelFactory(10);
       DummyOnlineOfflineStateModelFactory ofModelFactory =
           new DummyOnlineOfflineStateModelFactory(10);
       stateMach.registerStateModelFactory("LeaderStandby", lsModelFactory);
       stateMach.registerStateModelFactory("OnlineOffline", ofModelFactory);
 
       MockSchemataModelFactory schemataFactory = new MockSchemataModelFactory();
       stateMach.registerStateModelFactory("STORAGE_DEFAULT_SM_SCHEMATA", schemataFactory);
       // MockBootstrapModelFactory bootstrapFactory = new MockBootstrapModelFactory();
       // stateMach.registerStateModelFactory("Bootstrap", bootstrapFactory);
 
       if (_job != null)
       {
         _job.doPreConnectJob(_manager);
       }
 
       _manager.connect();
       _startCountDown.countDown();
 
       if (_job != null)
       {
         _job.doPostConnectJob(_manager);
       }
 
       _stopCountDown.await();
     }
     catch (InterruptedException e)
     {
       String msg =
           "participant: " + _instanceName + ", " + Thread.currentThread().getName()
               + " is interrupted";
       LOG.info(msg);
       System.err.println(msg);
     }
     catch (Exception e)
     {
       // TODO Auto-generated catch block
       e.printStackTrace();
     }
     finally
     {
       _startCountDown.countDown();
 
       synchronized (_manager)
       {
         _manager.disconnect();
       }
       _waitStopFinishCountDown.countDown();
     }
   }
 }