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* 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.
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package org.apache.activemq.artemis.tests.unit.core.journal.impl;
import java.util.ArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.core.journal.PreparedTransactionInfo;
import org.apache.activemq.artemis.core.journal.RecordInfo;
import org.apache.activemq.artemis.core.journal.impl.JournalImpl;
import org.apache.activemq.artemis.tests.unit.core.journal.impl.fakes.FakeSequentialFileFactory;
import org.apache.activemq.artemis.tests.unit.core.journal.impl.fakes.SimpleEncoding;
import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class JournalAsyncTest extends ActiveMQTestBase {
// Constants -----------------------------------------------------
// Attributes ----------------------------------------------------
private FakeSequentialFileFactory factory;
private JournalImpl journalImpl = null;
private ArrayList<RecordInfo> records = null;
private ArrayList<PreparedTransactionInfo> transactions = null;
// Static --------------------------------------------------------
// Constructors --------------------------------------------------
// Public --------------------------------------------------------
@Test
public void testAsynchronousCommit() throws Exception {
doAsynchronousTest(true);
}
@Test
public void testAsynchronousRollback() throws Exception {
doAsynchronousTest(false);
}
public void doAsynchronousTest(final boolean isCommit) throws Exception {
final int JOURNAL_SIZE = 20000;
setupJournal(JOURNAL_SIZE, 100, 5);
factory.setHoldCallbacks(true, null);
final CountDownLatch latch = new CountDownLatch(1);
class LocalThread extends Thread {
Exception e;
@Override
public void run() {
try {
for (int i = 0; i < 10; i++) {
journalImpl.appendAddRecordTransactional(1L, i, (byte) 1, new SimpleEncoding(1, (byte) 0));
}
journalImpl.debugWait();
latch.countDown();
factory.setHoldCallbacks(false, null);
if (isCommit) {
journalImpl.appendCommitRecord(1L, true);
} else {
journalImpl.appendRollbackRecord(1L, true);
}
} catch (Exception e) {
e.printStackTrace();
this.e = e;
}
}
}
LocalThread t = new LocalThread();
t.start();
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
Thread.yield();
Thread.sleep(100);
Assert.assertTrue(t.isAlive());
factory.flushAllCallbacks();
t.join();
if (t.e != null) {
throw t.e;
}
}
// If a callback error already arrived, we should just throw the exception right away
@Test
public void testPreviousError() throws Exception {
final int JOURNAL_SIZE = 20000;
setupJournal(JOURNAL_SIZE, 100, 5);
factory.setHoldCallbacks(true, null);
factory.setGenerateErrors(true);
journalImpl.appendAddRecordTransactional(1L, 1, (byte) 1, new SimpleEncoding(1, (byte) 0));
journalImpl.debugWait();
factory.flushAllCallbacks();
factory.setGenerateErrors(false);
factory.setHoldCallbacks(false, null);
try {
journalImpl.appendAddRecordTransactional(1L, 2, (byte) 1, new SimpleEncoding(1, (byte) 0));
journalImpl.appendCommitRecord(1L, true);
Assert.fail("Exception expected");
// An exception already happened in one of the elements on this transaction.
// We can't accept any more elements on the transaction
} catch (Exception ignored) {
}
}
@Test
public void testSyncNonTransaction() throws Exception {
final int JOURNAL_SIZE = 20000;
setupJournal(JOURNAL_SIZE, 100, 5);
factory.setGenerateErrors(true);
try {
journalImpl.appendAddRecord(1L, (byte) 0, new SimpleEncoding(1, (byte) 0), true);
Assert.fail("Exception expected");
} catch (Exception ignored) {
}
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
@Override
@Before
public void setUp() throws Exception {
super.setUp();
records = new ArrayList<>();
transactions = new ArrayList<>();
factory = null;
journalImpl = null;
}
@Override
@After
public void tearDown() throws Exception {
if (journalImpl != null) {
try {
journalImpl.stop();
} catch (Throwable ignored) {
}
}
super.tearDown();
}
// Private -------------------------------------------------------
private void setupJournal(final int journalSize,
final int alignment,
final int numberOfMinimalFiles) throws Exception {
if (factory == null) {
factory = new FakeSequentialFileFactory(alignment, true);
}
if (journalImpl != null) {
journalImpl.stop();
}
journalImpl = new JournalImpl(journalSize, numberOfMinimalFiles, numberOfMinimalFiles, 0, 0, factory, "tt", "tt", 1000);
journalImpl.start();
records.clear();
transactions.clear();
journalImpl.load(records, transactions, null);
}
// Inner classes -------------------------------------------------
}