package org.infinispan.replication;
import org.infinispan.Cache;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.context.Flag;
import org.infinispan.distribution.MagicKey;
import org.infinispan.test.MultipleCacheManagersTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.transaction.LockingMode;
import org.infinispan.transaction.impl.LocalTransaction;
import org.infinispan.transaction.impl.RemoteTransaction;
import org.infinispan.transaction.lookup.DummyTransactionManagerLookup;
import org.testng.annotations.Test;
import javax.transaction.TransactionManager;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import static org.jgroups.util.Util.assertFalse;
import static org.testng.Assert.assertTrue;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertNull;
/**
* Tests for implicit locking
* <p/>
* Transparent eager locking for transactions https://jira.jboss.org/jira/browse/ISPN-70
*
* @author Vladimir Blagojevic
*/
@Test(groups = "functional", testName = "replication.SyncReplPessimisticLockingTest")
public class SyncReplPessimisticLockingTest extends MultipleCacheManagersTest {
private String k = "key", v = "value";
public SyncReplPessimisticLockingTest() {
cleanup = CleanupPhase.AFTER_METHOD;
}
protected CacheMode getCacheMode() {
return CacheMode.REPL_SYNC;
}
protected void createCacheManagers() throws Throwable {
ConfigurationBuilder cfg = getDefaultClusteredCacheConfig(getCacheMode(), true);
cfg.transaction().transactionManagerLookup(new DummyTransactionManagerLookup())
.lockingMode(LockingMode.PESSIMISTIC)
.locking().lockAcquisitionTimeout(500);
createClusteredCaches(2, "testcache", cfg);
}
public void testBasicOperation() throws Exception {
testBasicOperationHelper(false);
testBasicOperationHelper(true);
}
public void testLocksReleasedWithNoMods() throws Exception {
assertClusterSize("Should only be 2 caches in the cluster!!!", 2);
Cache cache1 = cache(0, "testcache");
Cache cache2 = cache(1, "testcache");
assertNull("Should be null", cache1.get(k));
assertNull("Should be null", cache2.get(k));
TransactionManager mgr = TestingUtil.getTransactionManager(cache1);
mgr.begin();
// do a dummy read
cache1.get(k);
mgr.commit();
assertNotLocked(cache1);
assertNotLocked(cache2);
cache1.clear();
cache2.clear();
}
public void testReplaceNonExistentKey() throws Exception {
assertClusterSize("Should only be 2 caches in the cluster!!!", 2);
Cache cache1 = cache(0, "testcache");
Cache cache2 = cache(1, "testcache");
TransactionManager mgr = TestingUtil.getTransactionManager(cache1);
mgr.begin();
// do a replace on empty key
// https://jira.jboss.org/browse/ISPN-514
Object old = cache1.replace(k, "blah");
boolean replaced = cache1.replace(k, "Vladimir", "Blagojevic");
assert !replaced;
assertNull("Should be null", cache1.get(k));
assertNull("Should be null", cache2.get(k));
mgr.commit();
assertNotLocked(cache1);
assertNotLocked(cache2);
cache1.clear();
cache2.clear();
}
private void testBasicOperationHelper(boolean useCommit) throws Exception {
Cache cache1 = cache(0, "testcache");
Cache cache2 = cache(1, "testcache");
assertClusterSize("Should only be 2 caches in the cluster!!!", 2);
assertNull("Should be null", cache1.get(k));
assertNull("Should be null", cache2.get(k));
String name = "Infinispan";
TransactionManager mgr = TestingUtil.getTransactionManager(cache1);
mgr.begin();
cache1.put(k, name);
//automatically locked on another cache node
assertKeyLockedCorrectly(k, "testcache");
String key2 = "name";
cache1.put(key2, "Vladimir");
//automatically locked on another cache node
assertKeyLockedCorrectly(key2, "testcache");
String key3 = "product";
String key4 = "org";
Map<String, String> newMap = new HashMap<String, String>();
newMap.put(key3, "Infinispan");
newMap.put(key4, "JBoss");
cache1.putAll(newMap);
//automatically locked on another cache node
assertLocked(getLockOwner(key3, "testcache"), key3);
assertLocked(getLockOwner(key4, "testcache"), key4);
if (useCommit)
mgr.commit();
else
mgr.rollback();
if (useCommit) {
assertEquals(name, cache1.get(k));
assertEquals("Should have replicated", name, cache2.get(k));
} else {
assertEquals(null, cache1.get(k));
assertEquals("Should not have replicated", null, cache2.get(k));
}
cache2.remove(k);
cache2.remove(key2);
cache2.remove(key3);
cache2.remove(key4);
}
public void testSimpleCommit() throws Throwable {
tm(0, "testcache").begin();
cache(0, "testcache").put("k", "v");
tm(0, "testcache").commit();
assertEquals(cache(0, "testcache").get("k"), "v");
assertEquals(cache(1, "testcache").get("k"), "v");
assertNotLocked("testcache", "k");
tm(0, "testcache").begin();
cache(0, "testcache").put("k", "v");
cache(0, "testcache").remove("k");
tm(0, "testcache").commit();
assertEquals(cache(0, "testcache").get("k"), null);
assertEquals(cache(1, "testcache").get("k"), null);
assertNotLocked("testcache", "k");
}
public void testSimpleRollabck() throws Throwable {
tm(0, "testcache").begin();
cache(0, "testcache").put("k", "v");
tm(0, "testcache").rollback();
assert !lockManager(1, "testcache").isLocked("k");
assertEquals(cache(0, "testcache").get("k"), null);
assertEquals(cache(1, "testcache").get("k"), null);
assert !lockManager(0, "testcache").isLocked("k");
}
@Test
public void testRemoteLocksReleasedWhenReadTransactionCommitted() throws Exception {
testRemoteLocksReleased(false, true);
}
@Test
public void testRemoteLocksReleasedWhenReadTransactionRolledBack() throws Exception {
testRemoteLocksReleased(false, false);
}
@Test
public void testRemoteLocksReleasedWhenWriteTransactionCommitted() throws Exception {
testRemoteLocksReleased(true, true);
}
@Test
public void testRemoteLocksReleasedWhenWriteTransactionRolledBack() throws Exception {
testRemoteLocksReleased(true, false);
}
private void testRemoteLocksReleased(boolean write, boolean commit) throws Exception {
final MagicKey key = new MagicKey(cache(0, "testcache"));
tm(1, "testcache").begin();
if (write) {
cache(1, "testcache").put(key, "somevalue");
} else {
cache(1, "testcache").getAdvancedCache().withFlags(Flag.FORCE_WRITE_LOCK).get(key);
}
Collection<LocalTransaction> localTxs = TestingUtil.getTransactionTable(cache(1, "testcache")).getLocalTransactions();
assertEquals(1, localTxs.size());
LocalTransaction localTx = localTxs.iterator().next();
if (write) {
assertFalse(localTx.isReadOnly());
} else {
assertTrue(localTx.isReadOnly());
}
final Collection<RemoteTransaction> remoteTxs = TestingUtil.getTransactionTable(cache(0, "testcache")).getRemoteTransactions();
assertEquals(1, remoteTxs.size());
RemoteTransaction remoteTx = remoteTxs.iterator().next();
assertTrue(remoteTx.getLockedKeys().contains(key));
assertTrue(TestingUtil.extractLockManager(cache(0, "testcache")).isLocked(key));
if (commit) {
tm(1, "testcache").commit();
} else {
tm(1, "testcache").rollback();
}
eventually(new Condition() {
@Override
public boolean isSatisfied() throws Exception {
return remoteTxs.isEmpty();
}
});
eventually(new Condition() {
@Override
public boolean isSatisfied() throws Exception {
return !TestingUtil.extractLockManager(cache(0, "testcache")).isLocked(key);
}
});
}
}