Java tutorial
/** * 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. */ package org.apache.falcon.oozie.workflow; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.broker.BrokerService; import org.apache.falcon.entity.ClusterHelper; import org.apache.falcon.workflow.FalconPostProcessing; import org.apache.falcon.workflow.WorkflowExecutionArgs; import org.apache.commons.lang3.StringUtils; import org.testng.Assert; import org.testng.annotations.AfterClass; import org.testng.annotations.BeforeClass; import org.testng.annotations.Test; import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.Destination; import javax.jms.JMSException; import javax.jms.MapMessage; import javax.jms.MessageConsumer; import javax.jms.Session; import java.util.concurrent.CountDownLatch; /** * Test for validating the falcon post processing utility. */ public class FalconPostProcessingTest { private String[] args; private static final String BROKER_URL = "vm://localhost?broker.useJmx=false&broker.persistent=true"; private static final String BROKER_IMPL_CLASS = "org.apache.activemq.ActiveMQConnectionFactory"; private static final String ENTITY_NAME = "agg-coord"; private String userBrokerUrl = BROKER_URL; private BrokerService broker; private volatile AssertionError error; private CountDownLatch latch = new CountDownLatch(1); private String[] outputFeedNames = { "out-click-logs", "out-raw-logs" }; private String[] outputFeedPaths = { "/out-click-logs/10/05/05/00/20", "/out-raw-logs/10/05/05/00/20" }; private String userNotification = "true"; @BeforeClass public void setup() throws Exception { args = new String[] { "-" + WorkflowExecutionArgs.ENTITY_NAME.getName(), ENTITY_NAME, "-" + WorkflowExecutionArgs.OUTPUT_FEED_NAMES.getName(), StringUtils.join(outputFeedNames, ","), "-" + WorkflowExecutionArgs.OUTPUT_FEED_PATHS.getName(), StringUtils.join(outputFeedPaths, ","), "-" + WorkflowExecutionArgs.WORKFLOW_ID.getName(), "workflow-01-00", "-" + WorkflowExecutionArgs.WORKFLOW_USER.getName(), "falcon", "-" + WorkflowExecutionArgs.RUN_ID.getName(), "1", "-" + WorkflowExecutionArgs.NOMINAL_TIME.getName(), "2011-01-01-01-00", "-" + WorkflowExecutionArgs.TIMESTAMP.getName(), "2012-01-01-01-00", "-" + WorkflowExecutionArgs.BRKR_URL.getName(), BROKER_URL, "-" + WorkflowExecutionArgs.BRKR_IMPL_CLASS.getName(), BROKER_IMPL_CLASS, "-" + WorkflowExecutionArgs.USER_BRKR_URL.getName(), userBrokerUrl, "-" + WorkflowExecutionArgs.USER_JMS_NOTIFICATION_ENABLED, userNotification, "-" + WorkflowExecutionArgs.USER_BRKR_IMPL_CLASS.getName(), BROKER_IMPL_CLASS, "-" + WorkflowExecutionArgs.ENTITY_TYPE.getName(), "process", "-" + WorkflowExecutionArgs.OPERATION.getName(), "GENERATE", "-" + WorkflowExecutionArgs.LOG_FILE.getName(), "/logFile", "-" + WorkflowExecutionArgs.STATUS.getName(), "SUCCEEDED", "-" + WorkflowExecutionArgs.BRKR_TTL.getName(), "10", "-" + WorkflowExecutionArgs.CLUSTER_NAME.getName(), "corp", "-" + WorkflowExecutionArgs.WF_ENGINE_URL.getName(), "http://localhost:11000/oozie/", "-" + WorkflowExecutionArgs.LOG_DIR.getName(), "target/log", "-" + WorkflowExecutionArgs.USER_SUBFLOW_ID.getName(), "userflow@wf-id" + "test", "-" + WorkflowExecutionArgs.USER_WORKFLOW_ENGINE.getName(), "oozie", "-" + WorkflowExecutionArgs.INPUT_FEED_NAMES.getName(), "in-click-logs,in-raw-logs", "-" + WorkflowExecutionArgs.INPUT_FEED_PATHS.getName(), "/in-click-logs/10/05/05/00/20,/in-raw-logs/10/05/05/00/20", "-" + WorkflowExecutionArgs.USER_WORKFLOW_NAME.getName(), "test-workflow", "-" + WorkflowExecutionArgs.USER_WORKFLOW_VERSION.getName(), "1.0.0", }; broker = new BrokerService(); broker.addConnector(BROKER_URL); broker.setDataDirectory("target/activemq"); broker.setBrokerName("localhost"); broker.start(); } @AfterClass public void tearDown() throws Exception { broker.deleteAllMessages(); broker.stop(); } @Test public void testProcessMessageCreator() throws Exception { Thread t = new Thread() { @Override public void run() { try { // falcon message [FALCON_TOPIC_NAME] and user message ["FALCON." + ENTITY_NAME] consumer(BROKER_URL, "FALCON.>", true); } catch (AssertionError e) { error = e; } catch (JMSException ignore) { error = null; } } }; t.start(); userBrokerUrl = BROKER_URL; latch.await(); new FalconPostProcessing().run(args); t.join(); if (error != null) { throw error; } } @Test public void testNoUserMessage() throws Exception { Thread t = new Thread() { @Override public void run() { try { // falcon message [FALCON_TOPIC_NAME] and user message ["FALCON." + ENTITY_NAME] consumer(BROKER_URL, "FALCON.>", false); } catch (AssertionError e) { error = e; } catch (JMSException ignore) { error = null; } } }; t.start(); userNotification = "false"; latch.await(); new FalconPostProcessing().run(this.args); t.join(); userNotification = "true"; userBrokerUrl = ClusterHelper.NO_USER_BROKER_URL; latch.await(); new FalconPostProcessing().run(this.args); t.join(); if (error != null) { throw error; } } private void consumer(String brokerUrl, String topic, boolean checkUserMessage) throws JMSException { ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(brokerUrl); Connection connection = connectionFactory.createConnection(); connection.start(); Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); Destination destination = session.createTopic(topic); MessageConsumer consumer = session.createConsumer(destination); latch.countDown(); // Verify user message if (checkUserMessage) { verifyMesssage(consumer); } // Verify falcon message verifyMesssage(consumer); connection.close(); } private void verifyMesssage(MessageConsumer consumer) throws JMSException { for (int index = 0; index < outputFeedPaths.length; ++index) { // receive call is blocking MapMessage m = (MapMessage) consumer.receive(); System.out.println("Received JMS message {}" + m.toString()); System.out.println("Consumed: " + m.toString()); assertMessage(m); Assert.assertEquals(m.getString(WorkflowExecutionArgs.OUTPUT_FEED_NAMES.getName()), outputFeedNames[index]); Assert.assertEquals(m.getString(WorkflowExecutionArgs.OUTPUT_FEED_PATHS.getName()), outputFeedPaths[index]); } } private void assertMessage(MapMessage m) throws JMSException { Assert.assertEquals(m.getString(WorkflowExecutionArgs.ENTITY_NAME.getName()), "agg-coord"); String workflowUser = m.getString(WorkflowExecutionArgs.WORKFLOW_USER.getName()); if (workflowUser != null) { // in case of user message, its NULL Assert.assertEquals(workflowUser, "falcon"); } Assert.assertEquals(m.getString(WorkflowExecutionArgs.NOMINAL_TIME.getName()), "2011-01-01-01-00"); Assert.assertEquals(m.getString(WorkflowExecutionArgs.TIMESTAMP.getName()), "2012-01-01-01-00"); Assert.assertEquals(m.getString(WorkflowExecutionArgs.STATUS.getName()), "SUCCEEDED"); } @Test(expectedExceptions = JMSException.class) public void testFailuresInSendMessagesAreNotMasked() throws Exception { try { broker.stop(); } catch (Exception ignored) { // ignore } finally { new FalconPostProcessing().run(getMessageArgs()); } } private String[] getMessageArgs() { return new String[] { "-" + WorkflowExecutionArgs.ENTITY_NAME.getName(), ENTITY_NAME, "-" + WorkflowExecutionArgs.OUTPUT_FEED_NAMES.getName(), "out-click-logs,out-raw-logs", "-" + WorkflowExecutionArgs.OUTPUT_FEED_PATHS.getName(), "/out-click-logs/10/05/05/00/20,/out-raw-logs/10/05/05/00/20", "-" + WorkflowExecutionArgs.WORKFLOW_ID.getName(), "workflow-01-00", "-" + WorkflowExecutionArgs.WORKFLOW_USER.getName(), "falcon", "-" + WorkflowExecutionArgs.RUN_ID.getName(), "1", "-" + WorkflowExecutionArgs.NOMINAL_TIME.getName(), "2011-01-01-01-00", "-" + WorkflowExecutionArgs.TIMESTAMP.getName(), "2012-01-01-01-00", "-" + WorkflowExecutionArgs.BRKR_URL.getName(), "error", "-" + WorkflowExecutionArgs.BRKR_IMPL_CLASS.getName(), BROKER_IMPL_CLASS, "-" + WorkflowExecutionArgs.USER_BRKR_URL.getName(), "error", "-" + WorkflowExecutionArgs.USER_BRKR_IMPL_CLASS.getName(), BROKER_IMPL_CLASS, "-" + WorkflowExecutionArgs.ENTITY_TYPE.getName(), "process", "-" + WorkflowExecutionArgs.OPERATION.getName(), "GENERATE", "-" + WorkflowExecutionArgs.LOG_FILE.getName(), "/logFile", "-" + WorkflowExecutionArgs.STATUS.getName(), "SUCCEEDED", "-" + WorkflowExecutionArgs.BRKR_TTL.getName(), "10", "-" + WorkflowExecutionArgs.CLUSTER_NAME.getName(), "corp", "-" + WorkflowExecutionArgs.WF_ENGINE_URL.getName(), "http://localhost:11000/oozie/", "-" + WorkflowExecutionArgs.LOG_DIR.getName(), "target/log", "-" + WorkflowExecutionArgs.USER_SUBFLOW_ID.getName(), "userflow@wf-id" + "test", "-" + WorkflowExecutionArgs.USER_WORKFLOW_ENGINE.getName(), "oozie", "-" + WorkflowExecutionArgs.INPUT_FEED_NAMES.getName(), "in-click-logs,in-raw-logs", "-" + WorkflowExecutionArgs.INPUT_FEED_PATHS.getName(), "/in-click-logs/10/05/05/00/20,/in-raw-logs/10/05/05/00/20", "-" + WorkflowExecutionArgs.USER_WORKFLOW_NAME.getName(), "test-workflow", "-" + WorkflowExecutionArgs.USER_WORKFLOW_VERSION.getName(), "1.0.0", }; } }