/
MockParticipantManager.java
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/
MockParticipantManager.java
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package org.apache.helix.integration.manager;
/*
* 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.List;
import java.util.concurrent.CountDownLatch;
import org.apache.helix.HelixCloudProperty;
import org.apache.helix.HelixManagerProperty;
import org.apache.helix.HelixPropertyFactory;
import org.apache.helix.InstanceType;
import org.apache.helix.manager.zk.CallbackHandler;
import org.apache.helix.mock.participant.DummyProcess.DummyLeaderStandbyStateModelFactory;
import org.apache.helix.mock.participant.DummyProcess.DummyOnlineOfflineStateModelFactory;
import org.apache.helix.mock.participant.MockMSModelFactory;
import org.apache.helix.mock.participant.MockSchemataModelFactory;
import org.apache.helix.mock.participant.MockTransition;
import org.apache.helix.model.BuiltInStateModelDefinitions;
import org.apache.helix.participant.StateMachineEngine;
import org.apache.helix.zookeeper.api.client.RealmAwareZkClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MockParticipantManager extends ClusterManager {
private static final Logger LOG = LoggerFactory.getLogger(MockParticipantManager.class);
protected int _transDelay = 10;
protected MockMSModelFactory _msModelFactory;
protected DummyLeaderStandbyStateModelFactory _lsModelFactory;
protected DummyOnlineOfflineStateModelFactory _ofModelFactory;
protected HelixCloudProperty _helixCloudProperty;
public MockParticipantManager(String zkAddr, String clusterName, String instanceName) {
this(zkAddr, clusterName, instanceName, 10);
}
public MockParticipantManager(String zkAddr, String clusterName, String instanceName,
int transDelay) {
this(zkAddr, clusterName, instanceName, transDelay, null);
}
public MockParticipantManager(String zkAddr, String clusterName, String instanceName,
int transDelay, HelixCloudProperty helixCloudProperty) {
this(zkAddr, clusterName, instanceName, transDelay, helixCloudProperty,
HelixPropertyFactory.getInstance().getHelixManagerProperty(zkAddr, clusterName));
}
public MockParticipantManager(String zkAddr, String clusterName, String instanceName,
int transDelay, HelixCloudProperty helixCloudProperty,
HelixManagerProperty helixManagerProperty) {
super(clusterName, instanceName, InstanceType.PARTICIPANT, zkAddr, null, helixManagerProperty);
_transDelay = transDelay;
_msModelFactory = new MockMSModelFactory(null);
_lsModelFactory = new DummyLeaderStandbyStateModelFactory(_transDelay);
_ofModelFactory = new DummyOnlineOfflineStateModelFactory(_transDelay);
_helixCloudProperty = helixCloudProperty;
}
public MockParticipantManager(String clusterName, String instanceName,
HelixManagerProperty helixManagerProperty, int transDelay,
HelixCloudProperty helixCloudProperty) {
super(clusterName, instanceName, InstanceType.PARTICIPANT, null, null, helixManagerProperty);
_transDelay = transDelay;
_msModelFactory = new MockMSModelFactory(null);
_lsModelFactory = new DummyLeaderStandbyStateModelFactory(_transDelay);
_ofModelFactory = new DummyOnlineOfflineStateModelFactory(_transDelay);
_helixCloudProperty = helixCloudProperty;
}
public void setTransition(MockTransition transition) {
_msModelFactory.setTrasition(transition);
}
/**
* This method should be called before syncStart() called after syncStop()
*/
public void reset() {
syncStop();
_startCountDown = new CountDownLatch(1);
_stopCountDown = new CountDownLatch(1);
_waitStopFinishCountDown = new CountDownLatch(1);
}
@Override
public void run() {
try {
StateMachineEngine stateMach = getStateMachineEngine();
stateMach.registerStateModelFactory(BuiltInStateModelDefinitions.MasterSlave.name(),
_msModelFactory);
stateMach.registerStateModelFactory(BuiltInStateModelDefinitions.LeaderStandby.name(),
_lsModelFactory);
stateMach.registerStateModelFactory(BuiltInStateModelDefinitions.OnlineOffline.name(),
_ofModelFactory);
MockSchemataModelFactory schemataFactory = new MockSchemataModelFactory();
stateMach.registerStateModelFactory("STORAGE_DEFAULT_SM_SCHEMATA", schemataFactory);
connect();
_startCountDown.countDown();
_stopCountDown.await();
} catch (InterruptedException e) {
String msg =
"participant: " + getInstanceName() + ", " + Thread.currentThread().getName()
+ " is interrupted";
LOG.info(msg);
} catch (Exception e) {
LOG.error("exception running participant-manager", e);
} finally {
_startCountDown.countDown();
disconnect();
_waitStopFinishCountDown.countDown();
}
}
@Override
public RealmAwareZkClient getZkClient() {
return _zkclient;
}
@Override
public List<CallbackHandler> getHandlers() {
return _handlers;
}
@Override
public void finalize() {
super.finalize();
}
}