/**
* 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.hcatalog.listener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.TextMessage;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.hadoop.hive.cli.CliSessionState;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.HiveMetaStoreClient;
import org.apache.hadoop.hive.metastore.api.PartitionEventType;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.apache.hcatalog.common.HCatConstants;
import org.apache.hcatalog.mapreduce.HCatBaseTest;
import org.apache.hcatalog.messaging.AddPartitionMessage;
import org.apache.hcatalog.messaging.CreateDatabaseMessage;
import org.apache.hcatalog.messaging.CreateTableMessage;
import org.apache.hcatalog.messaging.DropDatabaseMessage;
import org.apache.hcatalog.messaging.DropPartitionMessage;
import org.apache.hcatalog.messaging.DropTableMessage;
import org.apache.hcatalog.messaging.HCatEventMessage;
import org.apache.hcatalog.messaging.MessageDeserializer;
import org.apache.hcatalog.messaging.MessageFactory;
import org.apache.hcatalog.messaging.jms.MessagingUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class TestNotificationListener extends HCatBaseTest implements MessageListener {
private List<String> actualMessages = new ArrayList<String>();
@Before
public void setUp() throws Exception {
System.setProperty("java.naming.factory.initial",
"org.apache.activemq.jndi.ActiveMQInitialContextFactory");
System.setProperty("java.naming.provider.url",
"vm://localhost?broker.persistent=false");
ConnectionFactory connFac = new ActiveMQConnectionFactory(
"vm://localhost?broker.persistent=false");
Connection conn = connFac.createConnection();
conn.start();
// We want message to be sent when session commits, thus we run in
// transacted mode.
Session session = conn.createSession(true, Session.SESSION_TRANSACTED);
Destination hcatTopic = session
.createTopic(HCatConstants.HCAT_DEFAULT_TOPIC_PREFIX);
MessageConsumer consumer1 = session.createConsumer(hcatTopic);
consumer1.setMessageListener(this);
Destination tblTopic = session
.createTopic(HCatConstants.HCAT_DEFAULT_TOPIC_PREFIX + ".mydb.mytbl");
MessageConsumer consumer2 = session.createConsumer(tblTopic);
consumer2.setMessageListener(this);
Destination dbTopic = session
.createTopic(HCatConstants.HCAT_DEFAULT_TOPIC_PREFIX + ".mydb");
MessageConsumer consumer3 = session.createConsumer(dbTopic);
consumer3.setMessageListener(this);
setUpHiveConf();
hiveConf.set(ConfVars.METASTORE_EVENT_LISTENERS.varname,
NotificationListener.class.getName());
SessionState.start(new CliSessionState(hiveConf));
driver = new Driver(hiveConf);
client = new HiveMetaStoreClient(hiveConf);
}
@After
public void tearDown() throws Exception {
List<String> expectedMessages = Arrays.asList(
HCatConstants.HCAT_CREATE_DATABASE_EVENT,
HCatConstants.HCAT_CREATE_TABLE_EVENT,
HCatConstants.HCAT_ADD_PARTITION_EVENT,
HCatConstants.HCAT_DROP_PARTITION_EVENT,
HCatConstants.HCAT_DROP_TABLE_EVENT,
HCatConstants.HCAT_DROP_DATABASE_EVENT);
Assert.assertEquals(expectedMessages, actualMessages);
}
@Test
public void testAMQListener() throws Exception {
driver.run("create database mydb");
driver.run("use mydb");
driver.run("create table mytbl (a string) partitioned by (b string)");
driver.run("alter table mytbl add partition(b='2011')");
Map<String, String> kvs = new HashMap<String, String>(1);
kvs.put("b", "2011");
client.markPartitionForEvent("mydb", "mytbl", kvs,
PartitionEventType.LOAD_DONE);
driver.run("alter table mytbl drop partition(b='2011')");
driver.run("drop table mytbl");
driver.run("drop database mydb");
}
@Override
public void onMessage(Message msg) {
String event;
try {
event = msg.getStringProperty(HCatConstants.HCAT_EVENT);
String format = msg.getStringProperty(HCatConstants.HCAT_MESSAGE_FORMAT);
String version = msg.getStringProperty(HCatConstants.HCAT_MESSAGE_VERSION);
String messageBody = ((TextMessage)msg).getText();
actualMessages.add(event);
MessageDeserializer deserializer = MessageFactory.getDeserializer(format, version);
if (event.equals(HCatConstants.HCAT_CREATE_DATABASE_EVENT)) {
Assert.assertEquals("topic://" + HCatConstants.HCAT_DEFAULT_TOPIC_PREFIX, msg
.getJMSDestination().toString());
CreateDatabaseMessage message = deserializer.getCreateDatabaseMessage(messageBody);
Assert.assertEquals("mydb", message.getDB());
HCatEventMessage message2 = MessagingUtils.getMessage(msg);
Assert.assertTrue("Unexpected message-type.", message2 instanceof CreateDatabaseMessage);
Assert.assertEquals("mydb", message2.getDB());
} else if (event.equals(HCatConstants.HCAT_CREATE_TABLE_EVENT)) {
Assert.assertEquals("topic://hcat.mydb", msg.getJMSDestination().toString());
CreateTableMessage message = deserializer.getCreateTableMessage(messageBody);
Assert.assertEquals("mytbl", message.getTable());
Assert.assertEquals("mydb", message.getDB());
HCatEventMessage message2 = MessagingUtils.getMessage(msg);
Assert.assertTrue("Unexpected message-type.", message2 instanceof CreateTableMessage);
Assert.assertEquals("mydb", message2.getDB());
Assert.assertEquals("mytbl", ((CreateTableMessage) message2).getTable());
} else if (event.equals(HCatConstants.HCAT_ADD_PARTITION_EVENT)) {
Assert.assertEquals("topic://hcat.mydb.mytbl", msg.getJMSDestination()
.toString());
AddPartitionMessage message = deserializer.getAddPartitionMessage(messageBody);
Assert.assertEquals("mytbl", message.getTable());
Assert.assertEquals("mydb", message.getDB());
Assert.assertEquals(1, message.getPartitions().size());
Assert.assertEquals("2011", message.getPartitions().get(0).get("b"));
HCatEventMessage message2 = MessagingUtils.getMessage(msg);
Assert.assertTrue("Unexpected message-type.", message2 instanceof AddPartitionMessage);
Assert.assertEquals("mydb", message2.getDB());
Assert.assertEquals("mytbl", ((AddPartitionMessage) message2).getTable());
Assert.assertEquals(1, ((AddPartitionMessage) message2).getPartitions().size());
Assert.assertEquals("2011", ((AddPartitionMessage) message2).getPartitions().get(0).get("b"));
} else if (event.equals(HCatConstants.HCAT_DROP_PARTITION_EVENT)) {
Assert.assertEquals("topic://hcat.mydb.mytbl", msg.getJMSDestination()
.toString());
DropPartitionMessage message = deserializer.getDropPartitionMessage(messageBody);
Assert.assertEquals("mytbl", message.getTable());
Assert.assertEquals("mydb", message.getDB());
Assert.assertEquals(1, message.getPartitions().size());
Assert.assertEquals("2011", message.getPartitions().get(0).get("b"));
HCatEventMessage message2 = MessagingUtils.getMessage(msg);
Assert.assertTrue("Unexpected message-type.", message2 instanceof DropPartitionMessage);
Assert.assertEquals("mydb", message2.getDB());
Assert.assertEquals("mytbl", ((DropPartitionMessage) message2).getTable());
Assert.assertEquals(1, ((DropPartitionMessage) message2).getPartitions().size());
Assert.assertEquals("2011", ((DropPartitionMessage) message2).getPartitions().get(0).get("b"));
} else if (event.equals(HCatConstants.HCAT_DROP_TABLE_EVENT)) {
Assert.assertEquals("topic://hcat.mydb", msg.getJMSDestination().toString());
DropTableMessage message = deserializer.getDropTableMessage(messageBody);
Assert.assertEquals("mytbl", message.getTable());
Assert.assertEquals("mydb", message.getDB());
HCatEventMessage message2 = MessagingUtils.getMessage(msg);
Assert.assertTrue("Unexpected message-type.", message2 instanceof DropTableMessage);
Assert.assertEquals("mydb", message2.getDB());
Assert.assertEquals("mytbl", ((DropTableMessage) message2).getTable());
} else if (event.equals(HCatConstants.HCAT_DROP_DATABASE_EVENT)) {
Assert.assertEquals("topic://" + HCatConstants.HCAT_DEFAULT_TOPIC_PREFIX, msg
.getJMSDestination().toString());
DropDatabaseMessage message = deserializer.getDropDatabaseMessage(messageBody);
Assert.assertEquals("mydb", message.getDB());
HCatEventMessage message2 = MessagingUtils.getMessage(msg);
Assert.assertTrue("Unexpected message-type.", message2 instanceof DropDatabaseMessage);
Assert.assertEquals("mydb", message2.getDB());
} else if (event.equals(HCatConstants.HCAT_PARTITION_DONE_EVENT)) {
// TODO: Fill in when PARTITION_DONE_EVENT is supported.
Assert.assertTrue("Unexpected: HCAT_PARTITION_DONE_EVENT not supported (yet).", false);
} else {
Assert.assertTrue("Unexpected event-type: " + event, false);
}
} catch (JMSException e) {
e.printStackTrace(System.err);
assert false;
}
}
}