| package org.apache.helix.integration.messaging; |
| |
| /* |
| * 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.Date; |
| import java.util.UUID; |
| |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.HelixManager; |
| import org.apache.helix.HelixManagerFactory; |
| import org.apache.helix.InstanceType; |
| import org.apache.helix.common.ZkTestBase; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.integration.task.WorkflowGenerator; |
| import org.apache.helix.model.Message; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class TestGroupCommitAddBackData extends ZkTestBase { |
| private static Logger LOG = LoggerFactory.getLogger(TestGroupCommitAddBackData.class); |
| private static final int START_PORT = 12918; |
| private static final int DEFAULT_TIMEOUT = 30 * 1000; |
| |
| private HelixManager _manager; |
| private final String CLASS_NAME = getShortClassName(); |
| private final String CLUSTER_NAME = CLUSTER_PREFIX + "_" + CLASS_NAME; |
| |
| private MockParticipantManager _participant; |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| // Logger.getRootLogger().setLevel(Level.INFO); |
| System.out.println("START " + CLASS_NAME + " at " + new Date(System.currentTimeMillis())); |
| |
| // setup storage cluster |
| _gSetupTool.addCluster(CLUSTER_NAME, true); |
| String storageNodeName = PARTICIPANT_PREFIX + "_" + START_PORT; |
| _gSetupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName); |
| _participant = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, storageNodeName); |
| _participant.syncStart(); |
| |
| // create cluster manager |
| _manager = HelixManagerFactory.getZKHelixManager(CLUSTER_NAME, "Admin", |
| InstanceType.ADMINISTRATOR, ZK_ADDR); |
| _manager.connect(); |
| } |
| |
| @AfterClass |
| public void afterClass() throws Exception { |
| if (_participant != null && _participant.isConnected()) { |
| _participant.syncStop(); |
| } |
| |
| if (_manager != null && _manager.isConnected()) { |
| _manager.disconnect(); |
| } |
| |
| String namespace = "/" + CLUSTER_NAME; |
| if (_gZkClient.exists(namespace)) { |
| try { |
| _gSetupTool.deleteCluster(CLUSTER_NAME); |
| } catch (Exception ex) { |
| System.err.println( |
| "Failed to delete cluster " + CLUSTER_NAME + ", error: " + ex.getLocalizedMessage()); |
| _gSetupTool.deleteCluster(CLUSTER_NAME); |
| } |
| } |
| |
| System.out.println("END " + CLASS_NAME + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| @Test |
| public void testGroupCommitAddCurrentStateBack() throws InterruptedException { |
| HelixDataAccessor accessor = _manager.getHelixDataAccessor(); |
| Message initMessage = generateMessage("OFFLINE", "ONLINE"); |
| accessor.setProperty( |
| accessor.keyBuilder().message(_participant.getInstanceName(), initMessage.getMsgId()), |
| initMessage); |
| Assert.assertTrue(waitForMessageProcessed(accessor, initMessage.getMsgId())); |
| Message toOffline = generateMessage("ONLINE", "OFFLINE"); |
| accessor.setProperty( |
| accessor.keyBuilder().message(_participant.getInstanceName(), toOffline.getMsgId()), |
| toOffline); |
| Assert.assertTrue(waitForMessageProcessed(accessor, toOffline.getMsgId())); |
| |
| // Consequential 10 messages |
| for (int i = 0; i < 10; i++) { |
| Message dropped = generateMessage("OFFLINE", "DROPPED"); |
| accessor.setProperty( |
| accessor.keyBuilder().message(_participant.getInstanceName(), dropped.getMsgId()), |
| dropped); |
| Assert.assertTrue(waitForMessageProcessed(accessor, dropped.getMsgId())); |
| Assert.assertFalse(accessor.getBaseDataAccessor() |
| .exists(accessor.keyBuilder().currentState(_participant.getInstanceName(), |
| _participant.getSessionId(), WorkflowGenerator.DEFAULT_TGT_DB).getPath(), 0)); |
| } |
| } |
| |
| private Message generateMessage(String from, String to) { |
| String uuid = UUID.randomUUID().toString(); |
| Message message = new Message(Message.MessageType.STATE_TRANSITION, uuid); |
| message.setSrcName("ADMIN"); |
| message.setTgtName(_participant.getInstanceName()); |
| message.setMsgState(Message.MessageState.NEW); |
| message.setPartitionName("P"); |
| message.setResourceName(WorkflowGenerator.DEFAULT_TGT_DB); |
| message.setFromState(from); |
| message.setToState(to); |
| message.setTgtSessionId(_participant.getSessionId()); |
| message.setSrcSessionId(_manager.getSessionId()); |
| message.setStateModelDef("OnlineOffline"); |
| message.setStateModelFactoryName("DEFAULT"); |
| return message; |
| } |
| |
| private boolean waitForMessageProcessed(HelixDataAccessor accessor, String messageId) |
| throws InterruptedException { |
| String path = |
| accessor.keyBuilder().message(_participant.getInstanceName(), messageId).getPath(); |
| long startTime = System.currentTimeMillis(); |
| while (accessor.getBaseDataAccessor().exists(path, 0)) { |
| if (System.currentTimeMillis() - startTime > DEFAULT_TIMEOUT) { |
| return false; |
| } |
| Thread.sleep(200); |
| } |
| return true; |
| } |
| } |