package org.apache.helix;
/*
* 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 org.apache.helix.Mocks.MockHelixTaskExecutor;
import org.apache.helix.Mocks.MockManager;
import org.apache.helix.Mocks.MockStateModel;
import org.apache.helix.PropertyKey.Builder;
import org.apache.helix.messaging.handling.AsyncCallbackService;
import org.apache.helix.messaging.handling.HelixStateTransitionHandler;
import org.apache.helix.model.CurrentState;
import org.apache.helix.model.Message;
import org.apache.helix.model.Message.MessageType;
import org.apache.helix.model.StateModelDefinition;
import org.apache.helix.tools.StateModelConfigGenerator;
import org.testng.AssertJUnit;
import org.testng.annotations.Test;
public class TestHelixTaskExecutor
{
@Test()
public void testCMTaskExecutor() throws Exception
{
System.out.println("START TestCMTaskExecutor");
String msgId = "TestMessageId";
Message message = new Message(MessageType.TASK_REPLY, msgId);
message.setMsgId(msgId);
message.setSrcName("cm-instance-0");
message.setTgtName("cm-instance-1");
message.setTgtSessionId("1234");
message.setFromState("Offline");
message.setToState("Slave");
message.setPartitionName("TestDB_0");
message.setResourceName("TestDB");
message.setStateModelDef("MasterSlave");
MockManager manager = new MockManager("clusterName");
// DataAccessor accessor = manager.getDataAccessor();
HelixDataAccessor accessor = manager.getHelixDataAccessor();
StateModelConfigGenerator generator = new StateModelConfigGenerator();
StateModelDefinition stateModelDef =
new StateModelDefinition(generator.generateConfigForMasterSlave());
Builder keyBuilder = accessor.keyBuilder();
accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);
MockHelixTaskExecutor executor = new MockHelixTaskExecutor();
MockStateModel stateModel = new MockStateModel();
NotificationContext context;
executor.registerMessageHandlerFactory(MessageType.TASK_REPLY.toString(),
new AsyncCallbackService());
// String clusterName =" testcluster";
context = new NotificationContext(manager);
CurrentState currentStateDelta = new CurrentState("TestDB");
currentStateDelta.setState("TestDB_0", "OFFLINE");
HelixStateTransitionHandler handler =
new HelixStateTransitionHandler(stateModel,
message,
context,
currentStateDelta,
executor);
executor.scheduleTask(message, handler, context);
while (!executor.isDone(msgId + "/" + message.getPartitionName()))
{
Thread.sleep(500);
}
AssertJUnit.assertTrue(stateModel.stateModelInvoked);
System.out.println("END TestCMTaskExecutor");
}
}