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* See the copyright.txt in the distribution for a full listing of
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*
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* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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package org.infinispan.distribution;
import org.infinispan.Cache;
import org.infinispan.context.Flag;
import org.infinispan.transaction.LockingMode;
import org.infinispan.util.concurrent.NotifyingFuture;
import org.infinispan.util.concurrent.TimeoutException;
import org.testng.annotations.Test;
import javax.transaction.Status;
import javax.transaction.TransactionManager;
import java.lang.reflect.Method;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import static org.infinispan.test.TestingUtil.k;
import static org.infinispan.test.TestingUtil.v;
/**
* Transactional tests for asynchronous methods in a distributed
* environment and a single owner.
*
* @author Galder ZamarreƱo
* @since 5.0
*/
@Test(groups = "functional", testName = "distribution.SingleOwnerAndAsyncMethodsWithTxTest")
public class SingleOwnerAndAsyncMethodsWithTxTest extends BaseDistFunctionalTest {
public SingleOwnerAndAsyncMethodsWithTxTest() {
INIT_CLUSTER_SIZE = 2;
numOwners = 1;
sync = true;
tx = true;
l1CacheEnabled = true;
lockTimeout = 5;
lockingMode = LockingMode.PESSIMISTIC;
}
public void testAsyncGetsWithinTx(Method m) throws Exception {
String k = k(m);
String v = v(m);
Cache<Object, String> ownerCache = getOwner(k);
Cache<Object, String> nonOwnerCache = getNonOwner(k);
ownerCache.put(k, v);
TransactionManager tm = getTransactionManager(nonOwnerCache);
tm.begin();
NotifyingFuture<String> f = nonOwnerCache.getAsync(k);
assert f != null;
assert f.get().equals(v);
nonOwnerCache.put(k, v(m, 2));
tm.commit();
f = nonOwnerCache.getAsync(k);
assert f != null;
assert f.get().equals(v(m, 2));
}
public void testAsyncGetToL1AndConcurrentModification(final Method m) throws Throwable {
// The storage to L1 should fail "silently" and not affect other transactions.
modifyConcurrently(m, getNonOwner(k(m)), false);
}
public void testAsyncGetWithForceWriteLockFlag(final Method m) throws Throwable {
modifyConcurrently(m, getOwner(k(m)), true);
}
private void modifyConcurrently(final Method m, final Cache cache, final boolean withFlag) throws Throwable {
final String k = k(m);
final String v = v(m);
Cache<Object, String> ownerCache = getOwner(k);
ownerCache.put(k, v);
final CountDownLatch getAsynclatch = new CountDownLatch(1);
final CountDownLatch putLatch = new CountDownLatch(1);
ExecutorService exec = Executors.newCachedThreadPool();
Callable<Void> c1 = new Callable<Void>() {
@Override
public Void call() throws Exception {
Cache localCache = cache;
TransactionManager tm = getTransactionManager(localCache);
tm.begin();
// This brings k,v to L1 in non-owner cache
NotifyingFuture<String> f;
if (withFlag)
localCache = cache.getAdvancedCache().withFlags(Flag.FORCE_WRITE_LOCK);
f = localCache.getAsync(k);
assert f != null;
assert f.get().equals(v);
putLatch.countDown();
getAsynclatch.await();
tm.commit();
return null;
}
};
Callable<Void> c2 = new Callable<Void>() {
@Override
public Void call() throws Exception {
putLatch.await();
TransactionManager tm = getTransactionManager(cache);
tm.begin();
try {
// If getAsync was done within a tx, k should be locked
// and put() should timeout
cache.put(k, v(m, 1));
getAsynclatch.countDown();
assert !withFlag : "Put operation should have timed out if the get operation acquires a write lock";
} catch (TimeoutException e) {
tm.setRollbackOnly();
getAsynclatch.countDown();
throw e;
} finally {
if (tm.getStatus() == Status.STATUS_ACTIVE)
tm.commit();
else
tm.rollback();
}
return null;
}
};
Future f1 = exec.submit(c1);
Future f2 = exec.submit(c2);
f1.get();
try {
f2.get();
assert !withFlag : "Should throw a TimeoutException if the get operation acquired a lock";
} catch (ExecutionException e) {
Throwable cause = e.getCause();
if (cause instanceof AssertionError)
throw cause; // Assert failed so rethrow as is
else
assert e.getCause() instanceof TimeoutException : String.format(
"The exception should be a TimeoutException but instead was %s",
e.getCause());
}
}
protected Cache<Object, String> getOwner(Object key) {
return getOwners(key)[0];
}
protected Cache<Object, String> getNonOwner(Object key) {
return getNonOwners(key)[0];
}
public Cache<Object, String>[] getOwners(Object key) {
return getOwners(key, 1);
}
public Cache<Object, String>[] getNonOwners(Object key) {
return getNonOwners(key, 1);
}
}