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* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.infinispan.atomic;
import org.infinispan.Cache;
import org.infinispan.config.Configuration;
import org.infinispan.manager.CacheContainer;
import org.infinispan.test.AbstractInfinispanTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.ValueFuture;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.infinispan.transaction.LockingMode;
import org.infinispan.transaction.lookup.DummyTransactionManagerLookup;
import org.infinispan.transaction.tm.DummyTransactionManager;
import org.infinispan.util.concurrent.TimeoutException;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import javax.transaction.TransactionManager;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.testng.Assert.assertEquals;
/**
* Tester class for AtomicMapCache.
*
* @author Mircea.Markus@jboss.com
*/
@Test(groups = "functional", testName = "atomic.AtomicHashMapConcurrencyTest")
public class AtomicHashMapConcurrencyTest extends AbstractInfinispanTest {
private static final Log log = LogFactory.getLog(AtomicHashMapConcurrencyTest.class);
public static final String KEY = "key";
Cache<String, Object> cache;
TransactionManager tm;
private CacheContainer cm;
@BeforeMethod
@SuppressWarnings("unchecked")
protected void setUp() {
Configuration c = new Configuration();
c.setLockAcquisitionTimeout(500);
// these 2 need to be set to use the AtomicMapCache
c.setInvocationBatchingEnabled(true);
c.fluent()
.transaction().transactionManagerLookup(new DummyTransactionManagerLookup())
.lockingMode(LockingMode.PESSIMISTIC);
cm = TestCacheManagerFactory.createCacheManager(c);
cache = cm.getCache();
tm = TestingUtil.getTransactionManager(cache);
}
@AfterMethod(alwaysRun = true)
protected void tearDown() {
try {
tm.rollback();
} catch (Exception e) {
}
TestingUtil.killCacheManagers(cm);
}
public void testConcurrentCreate() throws Exception {
tm.begin();
AtomicMapLookup.getAtomicMap(cache, KEY);
final AtomicBoolean gotTimeoutException = new AtomicBoolean();
fork(new Runnable() {
@Override
public void run() {
try {
tm.begin();
try {
AtomicMapLookup.getAtomicMap(cache, KEY);
} catch (TimeoutException e) {
// this is the exception we were expecting
gotTimeoutException.set(true);
} finally {
tm.rollback();
}
} catch (Exception e) {
log.error("Unexpected error performing transaction", e);
}
}
}, true);
assert gotTimeoutException.get();
}
public void testConcurrentModifications() throws Exception {
AtomicMap<Integer, String> atomicMap = AtomicMapLookup.getAtomicMap(cache, KEY);
tm.begin();
atomicMap.put(1, "");
final AtomicBoolean gotTimeoutException = new AtomicBoolean();
fork(new Runnable() {
@Override
public void run() {
try {
tm.begin();
try {
AtomicMap<Integer, String> otMap = AtomicMapLookup.getAtomicMap(cache, KEY);
otMap.put(1, "val");
} catch (TimeoutException e) {
// this is the exception we were expecting
gotTimeoutException.set(true);
} finally {
tm.rollback();
}
} catch (Exception e) {
log.error("Unexpected error performing transaction", e);
}
}
}, true);
assert gotTimeoutException.get();
}
public void testReadAfterTxStarted() throws Exception {
AtomicMap<Integer, String> atomicMap = AtomicMapLookup.getAtomicMap(cache, KEY);
atomicMap.put(1, "existing");
tm.begin();
atomicMap.put(1, "newVal");
final ValueFuture responseBeforeCommit = new ValueFuture();
final ValueFuture responseAfterCommit = new ValueFuture();
final CountDownLatch commitLatch = new CountDownLatch(1);
Thread ot = fork(new Runnable() {
@Override
public void run() {
try {
tm.begin();
try {
AtomicMap<Integer, String> otMap = AtomicMapLookup.getAtomicMap(cache, KEY);
responseBeforeCommit.set(otMap.get(1));
// wait until the main thread commits the transaction
commitLatch.await();
responseAfterCommit.set(otMap.get(1));
} finally {
tm.rollback();
}
} catch (Exception e) {
log.error("Unexpected error performing transaction", e);
}
}
}, false);
assertEquals(responseBeforeCommit.get(), "existing");
tm.commit();
commitLatch.countDown();
assertEquals(atomicMap.get(1), "newVal");
assertEquals(responseAfterCommit.get(), "newVal");
}
}