Hibernate example source code file (AbstractEntityRegionAccessStrategyTestCase.java)
The Hibernate AbstractEntityRegionAccessStrategyTestCase.java source code/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2007, Red Hat, Inc. and/or it's affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
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*
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*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
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*/
package org.hibernate.test.cache.infinispan.entity;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.infinispan.transaction.tm.BatchModeTransactionManager;
import org.jboss.logging.Logger;
import org.hibernate.cache.spi.CacheDataDescription;
import org.hibernate.cache.spi.access.AccessType;
import org.hibernate.cache.spi.access.EntityRegionAccessStrategy;
import org.hibernate.cache.internal.CacheDataDescriptionImpl;
import org.hibernate.cache.infinispan.InfinispanRegionFactory;
import org.hibernate.cache.infinispan.entity.EntityRegionImpl;
import org.hibernate.cfg.Configuration;
import org.hibernate.internal.util.compare.ComparableComparator;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import junit.framework.AssertionFailedError;
import org.hibernate.test.cache.infinispan.AbstractNonFunctionalTestCase;
import org.hibernate.test.cache.infinispan.NodeEnvironment;
import org.hibernate.test.cache.infinispan.util.CacheTestUtil;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* Base class for tests of EntityRegionAccessStrategy impls.
*
* @author Galder Zamarreño
* @since 3.5
*/
public abstract class AbstractEntityRegionAccessStrategyTestCase extends AbstractNonFunctionalTestCase {
private static final Logger log = Logger.getLogger( AbstractEntityRegionAccessStrategyTestCase.class );
public static final String REGION_NAME = "test/com.foo.test";
public static final String KEY_BASE = "KEY";
public static final String VALUE1 = "VALUE1";
public static final String VALUE2 = "VALUE2";
protected static int testCount;
protected NodeEnvironment localEnvironment;
protected EntityRegionImpl localEntityRegion;
protected EntityRegionAccessStrategy localAccessStrategy;
protected NodeEnvironment remoteEnvironment;
protected EntityRegionImpl remoteEntityRegion;
protected EntityRegionAccessStrategy remoteAccessStrategy;
protected boolean invalidation;
protected boolean synchronous;
protected Exception node1Exception;
protected Exception node2Exception;
protected AssertionFailedError node1Failure;
protected AssertionFailedError node2Failure;
@Before
public void prepareResources() throws Exception {
// to mimic exactly the old code results, both environments here are exactly the same...
Configuration cfg = createConfiguration( getConfigurationName() );
localEnvironment = new NodeEnvironment( cfg );
localEnvironment.prepare();
localEntityRegion = localEnvironment.getEntityRegion( REGION_NAME, getCacheDataDescription() );
localAccessStrategy = localEntityRegion.buildAccessStrategy( getAccessType() );
invalidation = localEntityRegion.getCacheAdapter().isClusteredInvalidation();
synchronous = localEntityRegion.getCacheAdapter().isSynchronous();
// Sleep a bit to avoid concurrent FLUSH problem
avoidConcurrentFlush();
remoteEnvironment = new NodeEnvironment( cfg );
remoteEnvironment.prepare();
remoteEntityRegion = remoteEnvironment.getEntityRegion( REGION_NAME, getCacheDataDescription() );
remoteAccessStrategy = remoteEntityRegion.buildAccessStrategy( getAccessType() );
}
protected abstract String getConfigurationName();
protected static Configuration createConfiguration(String configName) {
Configuration cfg = CacheTestUtil.buildConfiguration(
REGION_PREFIX,
InfinispanRegionFactory.class,
true,
false
);
cfg.setProperty( InfinispanRegionFactory.ENTITY_CACHE_RESOURCE_PROP, configName );
return cfg;
}
protected CacheDataDescription getCacheDataDescription() {
return new CacheDataDescriptionImpl( true, true, ComparableComparator.INSTANCE );
}
@After
public void releaseResources() throws Exception {
if ( localEnvironment != null ) {
localEnvironment.release();
}
if ( remoteEnvironment != null ) {
remoteEnvironment.release();
}
}
protected abstract AccessType getAccessType();
protected boolean isUsingInvalidation() {
return invalidation;
}
protected boolean isSynchronous() {
return synchronous;
}
protected void assertThreadsRanCleanly() {
if ( node1Failure != null ) {
throw node1Failure;
}
if ( node2Failure != null ) {
throw node2Failure;
}
if ( node1Exception != null ) {
log.error("node1 saw an exception", node1Exception);
assertEquals( "node1 saw no exceptions", null, node1Exception );
}
if ( node2Exception != null ) {
log.error("node2 saw an exception", node2Exception);
assertEquals( "node2 saw no exceptions", null, node2Exception );
}
}
@Test
public abstract void testCacheConfiguration();
@Test
public void testGetRegion() {
assertEquals( "Correct region", localEntityRegion, localAccessStrategy.getRegion() );
}
@Test
public void testPutFromLoad() throws Exception {
putFromLoadTest( false );
}
@Test
public void testPutFromLoadMinimal() throws Exception {
putFromLoadTest( true );
}
/**
* Simulate 2 nodes, both start, tx do a get, experience a cache miss, then 'read from db.' First
* does a putFromLoad, then an update. Second tries to do a putFromLoad with stale data (i.e. it
* took longer to read from the db). Both commit their tx. Then both start a new tx and get.
* First should see the updated data; second should either see the updated data (isInvalidation()
* == false) or null (isInvalidation() == true).
*
* @param useMinimalAPI
* @throws Exception
*/
private void putFromLoadTest(final boolean useMinimalAPI) throws Exception {
final String KEY = KEY_BASE + testCount++;
final CountDownLatch writeLatch1 = new CountDownLatch( 1 );
final CountDownLatch writeLatch2 = new CountDownLatch( 1 );
final CountDownLatch completionLatch = new CountDownLatch( 2 );
Thread node1 = new Thread() {
@Override
public void run() {
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
assertNull( "node1 starts clean", localAccessStrategy.get( KEY, txTimestamp ) );
writeLatch1.await();
if ( useMinimalAPI ) {
localAccessStrategy.putFromLoad( KEY, VALUE1, txTimestamp, new Integer( 1 ), true );
}
else {
localAccessStrategy.putFromLoad( KEY, VALUE1, txTimestamp, new Integer( 1 ) );
}
localAccessStrategy.update( KEY, VALUE2, new Integer( 2 ), new Integer( 1 ) );
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
log.error("node1 caught exception", e);
node1Exception = e;
rollback();
}
catch (AssertionFailedError e) {
node1Failure = e;
rollback();
}
finally {
// Let node2 write
writeLatch2.countDown();
completionLatch.countDown();
}
}
};
Thread node2 = new Thread() {
@Override
public void run() {
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
assertNull( "node1 starts clean", remoteAccessStrategy.get( KEY, txTimestamp ) );
// Let node1 write
writeLatch1.countDown();
// Wait for node1 to finish
writeLatch2.await();
if ( useMinimalAPI ) {
remoteAccessStrategy.putFromLoad( KEY, VALUE1, txTimestamp, new Integer( 1 ), true );
}
else {
remoteAccessStrategy.putFromLoad( KEY, VALUE1, txTimestamp, new Integer( 1 ) );
}
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
log.error("node2 caught exception", e);
node2Exception = e;
rollback();
}
catch (AssertionFailedError e) {
node2Failure = e;
rollback();
}
finally {
completionLatch.countDown();
}
}
};
node1.setDaemon( true );
node2.setDaemon( true );
node1.start();
node2.start();
assertTrue( "Threads completed", completionLatch.await( 2, TimeUnit.SECONDS ) );
assertThreadsRanCleanly();
long txTimestamp = System.currentTimeMillis();
assertEquals( "Correct node1 value", VALUE2, localAccessStrategy.get( KEY, txTimestamp ) );
if ( isUsingInvalidation() ) {
// no data version to prevent the PFER; we count on db locks preventing this
assertEquals( "Expected node2 value", VALUE1, remoteAccessStrategy.get( KEY, txTimestamp ) );
}
else {
// The node1 update is replicated, preventing the node2 PFER
assertEquals( "Correct node2 value", VALUE2, remoteAccessStrategy.get( KEY, txTimestamp ) );
}
}
@Test
public void testInsert() throws Exception {
final String KEY = KEY_BASE + testCount++;
final CountDownLatch readLatch = new CountDownLatch( 1 );
final CountDownLatch commitLatch = new CountDownLatch( 1 );
final CountDownLatch completionLatch = new CountDownLatch( 2 );
Thread inserter = new Thread() {
@Override
public void run() {
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
assertNull( "Correct initial value", localAccessStrategy.get( KEY, txTimestamp ) );
localAccessStrategy.insert( KEY, VALUE1, new Integer( 1 ) );
readLatch.countDown();
commitLatch.await();
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
log.error("node1 caught exception", e);
node1Exception = e;
rollback();
}
catch (AssertionFailedError e) {
node1Failure = e;
rollback();
}
finally {
completionLatch.countDown();
}
}
};
Thread reader = new Thread() {
@Override
public void run() {
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
readLatch.await();
// Object expected = !isBlockingReads() ? null : VALUE1;
Object expected = null;
assertEquals(
"Correct initial value", expected, localAccessStrategy.get(
KEY,
txTimestamp
)
);
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
log.error("node1 caught exception", e);
node1Exception = e;
rollback();
}
catch (AssertionFailedError e) {
node1Failure = e;
rollback();
}
finally {
commitLatch.countDown();
completionLatch.countDown();
}
}
};
inserter.setDaemon( true );
reader.setDaemon( true );
inserter.start();
reader.start();
assertTrue( "Threads completed", completionLatch.await( 1, TimeUnit.SECONDS ) );
assertThreadsRanCleanly();
long txTimestamp = System.currentTimeMillis();
assertEquals( "Correct node1 value", VALUE1, localAccessStrategy.get( KEY, txTimestamp ) );
Object expected = isUsingInvalidation() ? null : VALUE1;
assertEquals( "Correct node2 value", expected, remoteAccessStrategy.get( KEY, txTimestamp ) );
}
@Test
public void testUpdate() throws Exception {
final String KEY = KEY_BASE + testCount++;
// Set up initial state
localAccessStrategy.putFromLoad( KEY, VALUE1, System.currentTimeMillis(), new Integer( 1 ) );
remoteAccessStrategy.putFromLoad( KEY, VALUE1, System.currentTimeMillis(), new Integer( 1 ) );
// Let the async put propagate
sleep( 250 );
final CountDownLatch readLatch = new CountDownLatch( 1 );
final CountDownLatch commitLatch = new CountDownLatch( 1 );
final CountDownLatch completionLatch = new CountDownLatch( 2 );
Thread updater = new Thread( "testUpdate-updater" ) {
@Override
public void run() {
boolean readerUnlocked = false;
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
log.debug("Transaction began, get initial value");
assertEquals( "Correct initial value", VALUE1, localAccessStrategy.get( KEY, txTimestamp ) );
log.debug("Now update value");
localAccessStrategy.update( KEY, VALUE2, new Integer( 2 ), new Integer( 1 ) );
log.debug("Notify the read latch");
readLatch.countDown();
readerUnlocked = true;
log.debug("Await commit");
commitLatch.await();
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
log.error("node1 caught exception", e);
node1Exception = e;
rollback();
}
catch (AssertionFailedError e) {
node1Failure = e;
rollback();
}
finally {
if ( !readerUnlocked ) {
readLatch.countDown();
}
log.debug("Completion latch countdown");
completionLatch.countDown();
}
}
};
Thread reader = new Thread( "testUpdate-reader" ) {
@Override
public void run() {
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
log.debug("Transaction began, await read latch");
readLatch.await();
log.debug("Read latch acquired, verify local access strategy");
// This won't block w/ mvc and will read the old value
Object expected = VALUE1;
assertEquals( "Correct value", expected, localAccessStrategy.get( KEY, txTimestamp ) );
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
log.error("node1 caught exception", e);
node1Exception = e;
rollback();
}
catch (AssertionFailedError e) {
node1Failure = e;
rollback();
}
finally {
commitLatch.countDown();
log.debug("Completion latch countdown");
completionLatch.countDown();
}
}
};
updater.setDaemon( true );
reader.setDaemon( true );
updater.start();
reader.start();
// Should complete promptly
assertTrue( completionLatch.await( 2, TimeUnit.SECONDS ) );
assertThreadsRanCleanly();
long txTimestamp = System.currentTimeMillis();
assertEquals( "Correct node1 value", VALUE2, localAccessStrategy.get( KEY, txTimestamp ) );
Object expected = isUsingInvalidation() ? null : VALUE2;
assertEquals( "Correct node2 value", expected, remoteAccessStrategy.get( KEY, txTimestamp ) );
}
@Test
public void testRemove() {
evictOrRemoveTest( false );
}
@Test
public void testRemoveAll() {
evictOrRemoveAllTest( false );
}
@Test
public void testEvict() {
evictOrRemoveTest( true );
}
@Test
public void testEvictAll() {
evictOrRemoveAllTest( true );
}
private void evictOrRemoveTest(boolean evict) {
final String KEY = KEY_BASE + testCount++;
assertEquals( 0, getValidKeyCount( localEntityRegion.getCacheAdapter().keySet() ) );
assertEquals( 0, getValidKeyCount( remoteEntityRegion.getCacheAdapter().keySet() ) );
assertNull( "local is clean", localAccessStrategy.get( KEY, System.currentTimeMillis() ) );
assertNull( "remote is clean", remoteAccessStrategy.get( KEY, System.currentTimeMillis() ) );
localAccessStrategy.putFromLoad( KEY, VALUE1, System.currentTimeMillis(), new Integer( 1 ) );
assertEquals( VALUE1, localAccessStrategy.get( KEY, System.currentTimeMillis() ) );
remoteAccessStrategy.putFromLoad( KEY, VALUE1, System.currentTimeMillis(), new Integer( 1 ) );
assertEquals( VALUE1, remoteAccessStrategy.get( KEY, System.currentTimeMillis() ) );
if ( evict ) {
localAccessStrategy.evict( KEY );
}
else {
localAccessStrategy.remove( KEY );
}
assertEquals( null, localAccessStrategy.get( KEY, System.currentTimeMillis() ) );
assertEquals( 0, getValidKeyCount( localEntityRegion.getCacheAdapter().keySet() ) );
assertEquals( null, remoteAccessStrategy.get( KEY, System.currentTimeMillis() ) );
assertEquals( 0, getValidKeyCount( remoteEntityRegion.getCacheAdapter().keySet() ) );
}
private void evictOrRemoveAllTest(boolean evict) {
final String KEY = KEY_BASE + testCount++;
assertEquals( 0, getValidKeyCount( localEntityRegion.getCacheAdapter().keySet() ) );
assertEquals( 0, getValidKeyCount( remoteEntityRegion.getCacheAdapter().keySet() ) );
assertNull( "local is clean", localAccessStrategy.get( KEY, System.currentTimeMillis() ) );
assertNull( "remote is clean", remoteAccessStrategy.get( KEY, System.currentTimeMillis() ) );
localAccessStrategy.putFromLoad( KEY, VALUE1, System.currentTimeMillis(), new Integer( 1 ) );
assertEquals( VALUE1, localAccessStrategy.get( KEY, System.currentTimeMillis() ) );
// Wait for async propagation
sleep( 250 );
remoteAccessStrategy.putFromLoad( KEY, VALUE1, System.currentTimeMillis(), new Integer( 1 ) );
assertEquals( VALUE1, remoteAccessStrategy.get( KEY, System.currentTimeMillis() ) );
// Wait for async propagation
sleep( 250 );
if ( evict ) {
log.debug("Call evict all locally");
localAccessStrategy.evictAll();
}
else {
localAccessStrategy.removeAll();
}
// This should re-establish the region root node in the optimistic case
assertNull( localAccessStrategy.get( KEY, System.currentTimeMillis() ) );
assertEquals( 0, getValidKeyCount( localEntityRegion.getCacheAdapter().keySet() ) );
// Re-establishing the region root on the local node doesn't
// propagate it to other nodes. Do a get on the remote node to re-establish
assertEquals( null, remoteAccessStrategy.get( KEY, System.currentTimeMillis() ) );
assertEquals( 0, getValidKeyCount( remoteEntityRegion.getCacheAdapter().keySet() ) );
// Test whether the get above messes up the optimistic version
remoteAccessStrategy.putFromLoad( KEY, VALUE1, System.currentTimeMillis(), new Integer( 1 ) );
assertEquals( VALUE1, remoteAccessStrategy.get( KEY, System.currentTimeMillis() ) );
assertEquals( 1, getValidKeyCount( remoteEntityRegion.getCacheAdapter().keySet() ) );
// Wait for async propagation
sleep( 250 );
assertEquals(
"local is correct", (isUsingInvalidation() ? null : VALUE1), localAccessStrategy
.get( KEY, System.currentTimeMillis() )
);
assertEquals(
"remote is correct", VALUE1, remoteAccessStrategy.get(
KEY, System
.currentTimeMillis()
)
);
}
protected void rollback() {
try {
BatchModeTransactionManager.getInstance().rollback();
}
catch (Exception e) {
log.error(e.getMessage(), e);
}
}
}
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