/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
package org.infinispan.container.versioning;
import org.infinispan.Cache;
import org.infinispan.commands.VisitableCommand;
import org.infinispan.commands.tx.CommitCommand;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.context.Flag;
import org.infinispan.context.InvocationContext;
import org.infinispan.context.impl.TxInvocationContext;
import org.infinispan.interceptors.InvocationContextInterceptor;
import org.infinispan.interceptors.base.CommandInterceptor;
import org.infinispan.test.fwk.CleanupAfterMethod;
import org.testng.annotations.Test;
import javax.transaction.RollbackException;
import javax.transaction.Transaction;
import static org.testng.AssertJUnit.assertEquals;
@Test(testName = "container.versioning.ReplWriteSkewTest", groups = "functional")
@CleanupAfterMethod
public class ReplWriteSkewTest extends AbstractClusteredWriteSkewTest {
@Override
protected CacheMode getCacheMode() {
return CacheMode.REPL_SYNC;
}
@Override
protected int clusterSize() {
return 2;
}
public void testWriteSkew() throws Exception {
Cache<Object, Object> cache0 = cache(0);
Cache<Object, Object> cache1 = cache(1);
// Auto-commit is true
cache0.put("hello", "world 1");
assertEquals(cache0.get("hello"), "world 1");
assertEventuallyEquals(1, "hello", "world 1");
tm(0).begin();
assert "world 1".equals(cache0.get("hello"));
Transaction t = tm(0).suspend();
// Induce a write skew
cache1.put("hello", "world 3");
assert cache0.get("hello").equals("world 3");
assert cache1.get("hello").equals("world 3");
tm(0).resume(t);
cache0.put("hello", "world 2");
try {
tm(0).commit();
assert false : "Transaction should roll back";
} catch (RollbackException re) {
// expected
}
assert "world 3".equals(cache0.get("hello"));
assert "world 3".equals(cache1.get("hello"));
assertNoTransactions();
}
public void testWriteSkewMultiEntries() throws Exception {
Cache<Object, Object> cache0 = cache(0);
Cache<Object, Object> cache1 = cache(1);
tm(0).begin();
cache0.put("hello", "world 1");
cache0.put("hello2", "world 1");
tm(0).commit();
tm(0).begin();
cache0.put("hello2", "world 2");
assert "world 2".equals(cache0.get("hello2"));
assert "world 1".equals(cache0.get("hello"));
Transaction t = tm(0).suspend();
// Induce a write skew
// Auto-commit is true
cache1.put("hello", "world 3");
assert cache0.get("hello").equals("world 3");
assert cache0.get("hello2").equals("world 1");
assert cache1.get("hello").equals("world 3");
assert cache1.get("hello2").equals("world 1");
tm(0).resume(t);
cache0.put("hello", "world 2");
try {
tm(0).commit();
assert false : "Transaction should roll back";
} catch (RollbackException re) {
// expected
}
assert cache0.get("hello").equals("world 3");
assert cache0.get("hello2").equals("world 1");
assert cache1.get("hello").equals("world 3");
assert cache1.get("hello2").equals("world 1");
assertNoTransactions();
}
public void testNullEntries() throws Exception {
// Auto-commit is true
cache(0).put("hello", "world");
assertEquals(cache(0).get("hello"), "world");
assertEventuallyEquals(1, "hello", "world");
tm(0).begin();
assert "world".equals(cache(0).get("hello"));
Transaction t = tm(0).suspend();
cache(1).remove("hello");
assertEventuallyEquals(0, "hello", null);
assertEquals(cache(0).get("hello"), null);
tm(0).resume(t);
cache(0).put("hello", "world2");
try {
tm(0).commit();
assert false : "This transaction should roll back";
} catch (RollbackException expected) {
// expected
}
assert null == cache(0).get("hello");
assert null == cache(1).get("hello");
log.tracef("Local tx for cache %s are ", 0, transactionTable(0).getLocalTransactions());
log.tracef("Remote tx for cache %s are ", 0, transactionTable(0).getRemoteTransactions());
log.tracef("Local tx for cache %s are ", 1, transactionTable(1).getLocalTransactions());
log.tracef("Remote tx for cache %s are ", 0, transactionTable(1).getRemoteTransactions());
assertNoTransactions();
}
public void testResendPrepare() throws Exception {
Cache<Object, Object> cache0 = cache(0);
Cache<Object, Object> cache1 = cache(1);
// Auto-commit is true
cache0.put("hello", "world");
// create a write skew
tm(0).begin();
assert "world".equals(cache0.get("hello"));
assertEventuallyEquals(1, "hello", "world");
Transaction t = tm(0).suspend();
// Set up cache-1 to force the prepare to retry
cache(1).getAdvancedCache().addInterceptorAfter(new CommandInterceptor() {
boolean used = false;
@Override
public Object visitCommitCommand(TxInvocationContext ctx, CommitCommand c) throws Throwable {
if (!used) {
used = true;
log.trace("Force resend of prepare!");
return CommitCommand.RESEND_PREPARE;
} else {
return invokeNextInterceptor(ctx, c);
}
}
@Override
protected Object handleDefault(InvocationContext ctx, VisitableCommand command) throws Throwable {
return super.handleDefault(ctx, command);
}
}, InvocationContextInterceptor.class);
// Implicit tx. Prepare should be retried.
cache(0).put("hello", "world2");
assert "world2".equals(cache0.get("hello"));
assertEventuallyEquals(1, "hello", "world2");
tm(0).resume(t);
cache0.put("hello", "world3");
try {
log.warn("----- Now committing ---- ");
tm(0).commit();
assert false : "This transaction should roll back";
} catch (RollbackException expected) {
// expected
expected
.printStackTrace();
}
assert "world2".equals(cache0.get("hello"));
assert "world2".equals(cache1.get("hello"));
assertNoTransactions();
}
public void testLocalOnlyPut() {
localOnlyPut(this.<Integer, String>cache(0), 1, "v1");
localOnlyPut(this.<Integer, String>cache(1), 2, "v2");
assertNoTransactions();
}
private void localOnlyPut(Cache<Integer, String> cache, Integer k, String v) {
cache.getAdvancedCache().withFlags(Flag.CACHE_MODE_LOCAL).put(k, v);
}
}