/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed 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.springframework.integration.jdbc;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.context.IntegrationContextUtils;
import org.springframework.integration.handler.DelayHandler;
import org.springframework.integration.store.MessageGroup;
import org.springframework.integration.store.MessageGroupStore;
import org.springframework.integration.store.SimpleMessageGroup;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.integration.test.support.LongRunningIntegrationTest;
import org.springframework.integration.util.UUIDConverter;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.MessagingException;
import org.springframework.messaging.PollableChannel;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.transaction.support.TransactionSynchronization;
import org.springframework.transaction.support.TransactionSynchronizationAdapter;
import org.springframework.transaction.support.TransactionSynchronizationManager;
/**
* @author Artem Bilan
* @author Gary Russell
*/
public class DelayerHandlerRescheduleIntegrationTests {
public static final String DELAYER_ID = "delayerWithJdbcMS";
public static EmbeddedDatabase dataSource;
@Rule
public LongRunningIntegrationTest longTests = new LongRunningIntegrationTest();
@BeforeClass
public static void init() {
dataSource = new EmbeddedDatabaseBuilder()
.setType(EmbeddedDatabaseType.H2)
.addScript("classpath:/org/springframework/integration/jdbc/schema-drop-h2.sql")
.addScript("classpath:/org/springframework/integration/jdbc/schema-h2.sql")
.build();
}
@AfterClass
public static void destroy() {
dataSource.shutdown();
}
@Test //INT-1132
public void testDelayerHandlerRescheduleWithJdbcMessageStore() throws Exception {
AbstractApplicationContext context =
new ClassPathXmlApplicationContext("DelayerHandlerRescheduleIntegrationTests-context.xml", getClass());
MessageChannel input = context.getBean("input", MessageChannel.class);
MessageGroupStore messageStore = context.getBean("messageStore", MessageGroupStore.class);
assertEquals(0, messageStore.getMessageGroupCount());
Message<String> message1 = MessageBuilder.withPayload("test1").build();
input.send(message1);
input.send(MessageBuilder.withPayload("test2").build());
// Emulate restart and check DB state before next start
// Interrupt taskScheduler as quickly as possible
ThreadPoolTaskScheduler taskScheduler =
(ThreadPoolTaskScheduler) IntegrationContextUtils.getTaskScheduler(context);
taskScheduler.shutdown();
taskScheduler.getScheduledExecutor().awaitTermination(10, TimeUnit.SECONDS);
context.destroy();
try {
context.getBean("input", MessageChannel.class);
fail("IllegalStateException expected");
}
catch (Exception e) {
assertTrue(e instanceof IllegalStateException);
assertTrue(e.getMessage().contains("BeanFactory not initialized or already closed - call 'refresh'"));
}
String delayerMessageGroupId = UUIDConverter.getUUID(DELAYER_ID + ".messageGroupId").toString();
assertEquals(1, messageStore.getMessageGroupCount());
assertEquals(delayerMessageGroupId, messageStore.iterator().next().getGroupId());
assertEquals(2, messageStore.messageGroupSize(delayerMessageGroupId));
assertEquals(2, messageStore.getMessageCountForAllMessageGroups());
MessageGroup messageGroup = messageStore.getMessageGroup(delayerMessageGroupId);
// Ensure that with the lazyLoadMessageGroups = false the MessageStore doesn't return PersistentMessageGroup
assertThat(messageGroup, instanceOf(SimpleMessageGroup.class));
Message<?> messageInStore = messageGroup.getMessages().iterator().next();
Object payload = messageInStore.getPayload();
//INT-3049
assertTrue(payload instanceof DelayHandler.DelayedMessageWrapper);
assertEquals(message1, ((DelayHandler.DelayedMessageWrapper) payload).getOriginal());
context.refresh();
PollableChannel output = context.getBean("output", PollableChannel.class);
Message<?> message = output.receive(20000);
assertNotNull(message);
Object payload1 = message.getPayload();
message = output.receive(20000);
assertNotNull(message);
Object payload2 = message.getPayload();
assertNotSame(payload1, payload2);
assertEquals(1, messageStore.getMessageGroupCount());
assertEquals(0, messageStore.messageGroupSize(delayerMessageGroupId));
context.destroy();
}
@Test //INT-2649
public void testRollbackOnDelayerHandlerReleaseTask() throws Exception {
AbstractApplicationContext context =
new ClassPathXmlApplicationContext("DelayerHandlerRescheduleIntegrationTests-context.xml", getClass());
MessageChannel input = context.getBean("transactionalDelayerInput", MessageChannel.class);
MessageGroupStore messageStore = context.getBean("messageStore", MessageGroupStore.class);
String delayerMessageGroupId = UUIDConverter.getUUID("transactionalDelayer.messageGroupId").toString();
assertEquals(0, messageStore.messageGroupSize(delayerMessageGroupId));
input.send(MessageBuilder.withPayload("test").build());
Thread.sleep(1000);
assertEquals(1, messageStore.messageGroupSize(delayerMessageGroupId));
//To check that 'rescheduling' works in the transaction boundaries too
context.destroy();
context.refresh();
assertTrue(RollbackTxSync.latch.await(20, TimeUnit.SECONDS));
//On transaction rollback the delayed Message should remain in the persistent MessageStore
assertEquals(1, messageStore.messageGroupSize(delayerMessageGroupId));
context.close();
}
@SuppressWarnings("unused")
private static class ExceptionMessageHandler implements MessageHandler {
@Override
public void handleMessage(Message<?> message) throws MessagingException {
TransactionSynchronizationManager.registerSynchronization(new RollbackTxSync());
throw new RuntimeException("intentional");
}
}
private static class RollbackTxSync extends TransactionSynchronizationAdapter {
public static CountDownLatch latch = new CountDownLatch(2);
RollbackTxSync() {
super();
}
@Override
public void afterCompletion(int status) {
if (TransactionSynchronization.STATUS_ROLLED_BACK == status) {
latch.countDown();
}
}
}
}