/*
* Copyright 2011 Red Hat Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.persistence.jta;
import static org.drools.persistence.util.PersistenceUtil.DROOLS_PERSISTENCE_UNIT_NAME;
import static org.drools.persistence.util.PersistenceUtil.createEnvironment;
import static org.drools.persistence.util.PersistenceUtil.getValueOfField;
import static org.drools.persistence.util.PersistenceUtil.setupWithPoolingDataSource;
import static org.junit.Assert.fail;
import static org.kie.api.runtime.EnvironmentName.ENTITY_MANAGER_FACTORY;
import java.io.Serializable;
import java.util.HashMap;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.transaction.Status;
import javax.transaction.UserTransaction;
import org.drools.core.command.impl.CommandBasedStatefulKnowledgeSession;
import org.drools.persistence.SingleSessionCommandService;
import org.drools.persistence.TransactionManager;
import org.drools.persistence.infinispan.InfinispanPersistenceContextManager;
import org.drools.persistence.infinispan.marshaller.InfinispanPlaceholderResolverStrategy;
import org.drools.persistence.info.EntityHolder;
import org.drools.persistence.util.PersistenceUtil;
import org.infinispan.Cache;
import org.infinispan.manager.DefaultCacheManager;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.Environment;
import org.kie.api.runtime.EnvironmentName;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.io.ResourceFactory;
import org.kie.internal.persistence.infinispan.InfinispanKnowledgeService;
import org.kie.internal.runtime.StatefulKnowledgeSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import bitronix.tm.TransactionManagerServices;
public class JtaTransactionManagerTest {
private Logger logger = LoggerFactory.getLogger(getClass());
// Datasource (setup & clean up)
private HashMap<String, Object> context;
private DefaultCacheManager cm;
private static String simpleRule = "package org.kie.test\n"
+ "global java.util.List list\n"
+ "rule rule1\n"
+ "when\n"
+ " Integer(intValue > 0)\n"
+ "then\n"
+ " list.add( 1 );\n"
+ "end\n"
+ "\n";
@Before
public void setup() {
// This test does only plays with tx's, it doesn't actually persist
// any interersting (wrt marshalling) SessionInfo objects
boolean testMarshalling = false;
context = setupWithPoolingDataSource(DROOLS_PERSISTENCE_UNIT_NAME, testMarshalling);
cm = (DefaultCacheManager) context.get(ENTITY_MANAGER_FACTORY);
}
@After
public void tearDown() {
PersistenceUtil.tearDown(context);
}
private KnowledgeBase initializeKnowledgeBase(String rule) {
// Initialize knowledge base/session/etc..
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource(rule.getBytes()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
return kbase;
}
public static final String DEFAULT_USER_TRANSACTION_NAME = "java:comp/UserTransaction";
protected UserTransaction findUserTransaction() {
try {
InitialContext context = new InitialContext();
return (UserTransaction) context.lookup( DEFAULT_USER_TRANSACTION_NAME );
} catch ( NamingException ex ) {
logger.debug( "No UserTransaction found at JNDI location [{}]",
DEFAULT_USER_TRANSACTION_NAME,
ex );
return null;
}
}
private String getTestName() {
StackTraceElement [] ste = Thread.currentThread().getStackTrace();
String methodName = ste[2].getMethodName();
return methodName.substring(0, 1).toUpperCase() + methodName.substring(1);
}
@Test
public void basicTransactionManagerTest() {
String testName = getTestName();
// Setup the JtaTransactionmanager
Environment env = createEnvironment(context);
//TransactionManager txm = (TransactionManager) env.get( EnvironmentName.TRANSACTION_MANAGER );
javax.transaction.TransactionManager tm = (javax.transaction.TransactionManager) env.get( EnvironmentName.TRANSACTION_MANAGER );
TransactionManager txm = new JtaTransactionManager( env.get( EnvironmentName.TRANSACTION ),
env.get( EnvironmentName.TRANSACTION_SYNCHRONIZATION_REGISTRY ),
tm );
// Create linked transactionTestObjects
TransactionTestObject mainObject = new TransactionTestObject();
mainObject.setName("main" + testName);
TransactionTestObject subObject = new TransactionTestObject();
subObject.setName("sub" + testName);
mainObject.setSubObject(subObject);
// Commit the mainObject after "commiting" the subObject
Cache<Serializable, Object> cache = cm.getCache("jbpm-configured-cache");
try {
// Begin the real trasnaction
boolean txOwner = txm.begin();
// Do the "sub" transaction
// - the txm doesn't really commit,
// because we keep track of who's the tx owner.
boolean notTxOwner = txm.begin();
Serializable s = generateId(mainObject);
mainObject.setId(Long.valueOf(s.toString()));
cache.put(s, mainObject);
txm.commit(notTxOwner);
// Finish the transaction off
Serializable s2 = generateId(subObject);
subObject.setId(Long.valueOf(s2.toString()));
cache.put(s2, subObject);
txm.commit(txOwner);
}
catch( Throwable t ) {
fail( "No exception should have been thrown: " + t.getMessage() );
}
}
@Test
public void basicTransactionRollbackTest() {
Environment env = createEnvironment(context);
//TransactionManager txm = (TransactionManager) env.get( EnvironmentName.TRANSACTION_MANAGER );
javax.transaction.TransactionManager tm = (javax.transaction.TransactionManager) env.get( EnvironmentName.TRANSACTION_MANAGER );
TransactionManager txm = new JtaTransactionManager( env.get( EnvironmentName.TRANSACTION ),
env.get( EnvironmentName.TRANSACTION_SYNCHRONIZATION_REGISTRY ),
tm );
// Create linked transactionTestObjects
TransactionTestObject mainObject = new TransactionTestObject();
mainObject.setName("main");
TransactionTestObject subObject = new TransactionTestObject();
subObject.setName("sub");
mainObject.setSubObject(subObject);
Cache<Serializable, Object> cache = cm.getCache("jbpm-configured-cache");
try {
boolean notTxOwner = txm.begin();
Serializable s = generateId(mainObject);
mainObject.setId(Long.valueOf(s.toString()));
cache.put(s, mainObject);
txm.rollback(notTxOwner);
} catch ( Exception e ) {
fail("There should not be an exception thrown here: " + e.getMessage());
}
}
public static String COMMAND_ENTITY_MANAGER = "drools.persistence.test.command.EntityManager";
public static String COMMAND_ENTITY_MANAGER_FACTORY = "drools.persistence.test.EntityManagerFactory";
@Test
public void testSingleSessionCommandServiceAndJtaTransactionManagerTogether() {
// Initialize drools environment stuff
Environment env = createEnvironment(context);
KnowledgeBase kbase = initializeKnowledgeBase(simpleRule);
StatefulKnowledgeSession commandKSession = InfinispanKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
SingleSessionCommandService commandService = (SingleSessionCommandService) ((CommandBasedStatefulKnowledgeSession) commandKSession).getCommandService();
InfinispanPersistenceContextManager jpm = (InfinispanPersistenceContextManager) getValueOfField("jpm", commandService);
jpm.getApplicationScopedPersistenceContext();
@SuppressWarnings("unchecked")
Cache<String, EntityHolder> cache = (Cache<String, EntityHolder>) getValueOfField("appScopedCache", jpm);
TransactionTestObject mainObject = new TransactionTestObject();
mainObject.setName("mainCommand");
TransactionTestObject subObject = new TransactionTestObject();
subObject.setName("subCommand");
mainObject.setSubObject(subObject);
HashMap<String, Object> emEnv = new HashMap<String, Object>();
emEnv.put(COMMAND_ENTITY_MANAGER_FACTORY, cm);
emEnv.put(COMMAND_ENTITY_MANAGER, cache);
TransactionTestCommand txTestCmd = new TransactionTestCommand(mainObject, subObject, emEnv);
commandKSession.execute(txTestCmd);
}
private static int id=1;
protected static Serializable generateId(TransactionTestObject obj) {
Serializable s = InfinispanPlaceholderResolverStrategy.getClassIdValue(obj);
return (s == null) ? new Integer(++id) : s;
}
}