/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.jbpm.runtime.manager.concurrent;
import bitronix.tm.resource.jdbc.PoolingDataSource;
import org.jbpm.runtime.manager.impl.DefaultRegisterableItemsFactory;
import org.jbpm.runtime.manager.impl.RuntimeEngineImpl;
import org.jbpm.runtime.manager.util.TestUtil;
import org.jbpm.services.task.identity.JBossUserGroupCallbackImpl;
import org.jbpm.test.util.AbstractBaseTest;
import org.jbpm.test.util.CountDownProcessEventListener;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.kie.api.event.process.ProcessEventListener;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.manager.RuntimeEngine;
import org.kie.api.runtime.manager.RuntimeEnvironment;
import org.kie.api.runtime.manager.RuntimeEnvironmentBuilder;
import org.kie.api.runtime.manager.RuntimeManager;
import org.kie.api.runtime.manager.RuntimeManagerFactory;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.api.runtime.process.WorkItem;
import org.kie.api.runtime.process.WorkItemHandler;
import org.kie.api.runtime.process.WorkItemManager;
import org.kie.api.task.TaskService;
import org.kie.api.task.model.TaskSummary;
import org.kie.internal.io.ResourceFactory;
import org.kie.internal.runtime.manager.context.EmptyContext;
import org.kie.internal.task.api.UserGroupCallback;
import javax.naming.InitialContext;
import javax.transaction.UserTransaction;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import static org.junit.Assert.*;
public class ConcurrentOperationsTest extends AbstractBaseTest {
private PoolingDataSource pds;
private UserGroupCallback userGroupCallback;
private RuntimeManager manager;
@Before
public void setup() {
TestUtil.cleanupSingletonSessionId();
pds = TestUtil.setupPoolingDataSource();
Properties properties= new Properties();
properties.setProperty("mary", "HR");
properties.setProperty("john", "HR");
userGroupCallback = new JBossUserGroupCallbackImpl(properties);
}
@After
public void teardown() {
if (manager != null) {
manager.close();
}
pds.close();
}
@Test(timeout=10000)
public void testExecuteProcessWithAsyncHandler() throws Exception {
final CountDownProcessEventListener countDownListener = new CountDownProcessEventListener("Log", 1);
RuntimeEnvironment environment = RuntimeEnvironmentBuilder.Factory.get()
.newDefaultBuilder()
.userGroupCallback(userGroupCallback)
.addEnvironmentEntry("TRANSACTION_LOCK_ENABLED", true)
.registerableItemsFactory(new DefaultRegisterableItemsFactory(){
@Override
public Map<String, WorkItemHandler> getWorkItemHandlers(RuntimeEngine runtime) {
Map<String, WorkItemHandler> handlers = super.getWorkItemHandlers(runtime);
handlers.put("Log", new AsyncWorkItemHandler(((RuntimeEngineImpl)runtime).getManager()));
return handlers;
}
@Override
public List<ProcessEventListener> getProcessEventListeners(RuntimeEngine runtime) {
List<ProcessEventListener> listeners = super.getProcessEventListeners(runtime);
listeners.add(countDownListener);
return listeners;
}
})
.addAsset(ResourceFactory.newClassPathResource("BPMN2-CustomTask.bpmn2"), ResourceType.BPMN2)
.get();
manager = RuntimeManagerFactory.Factory.get().newSingletonRuntimeManager(environment);
assertNotNull(manager);
RuntimeEngine runtime = manager.getRuntimeEngine(EmptyContext.get());
KieSession ksession = runtime.getKieSession();
assertNotNull(ksession);
long sessionId = ksession.getIdentifier();
assertTrue(sessionId == 1);
runtime = manager.getRuntimeEngine(EmptyContext.get());
ksession = runtime.getKieSession();
assertEquals(sessionId, ksession.getIdentifier());
UserTransaction ut = InitialContext.doLookup("java:comp/UserTransaction");
ut.begin();
ProcessInstance processInstance = ksession.startProcess("customtask");
logger.debug("Started process, committing...");
ut.commit();
countDownListener.waitTillCompleted();
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNull(processInstance);
// dispose session that should not have affect on the session at all
manager.disposeRuntimeEngine(runtime);
// close manager which will close session maintained by the manager
manager.close();
}
@Test(timeout=10000)
public void testExecuteHumanTaskWithAsyncHandler() throws Exception {
final CountDownProcessEventListener countDownListener = new CountDownProcessEventListener("Log", 1);
RuntimeEnvironment environment = RuntimeEnvironmentBuilder.Factory.get()
.newDefaultBuilder()
.userGroupCallback(userGroupCallback)
.addEnvironmentEntry("TRANSACTION_LOCK_ENABLED", true)
.registerableItemsFactory(new DefaultRegisterableItemsFactory(){
@Override
public Map<String, WorkItemHandler> getWorkItemHandlers(RuntimeEngine runtime) {
Map<String, WorkItemHandler> handlers = super.getWorkItemHandlers(runtime);
handlers.put("Log", new AsyncWorkItemHandler(((RuntimeEngineImpl)runtime).getManager()));
return handlers;
}
@Override
public List<ProcessEventListener> getProcessEventListeners(RuntimeEngine runtime) {
List<ProcessEventListener> listeners = super.getProcessEventListeners(runtime);
listeners.add(countDownListener);
return listeners;
}
})
.addAsset(ResourceFactory.newClassPathResource("BPMN2-CustomAndHumanTask.bpmn2"), ResourceType.BPMN2)
.get();
manager = RuntimeManagerFactory.Factory.get().newSingletonRuntimeManager(environment);
assertNotNull(manager);
RuntimeEngine runtime = manager.getRuntimeEngine(EmptyContext.get());
KieSession ksession = runtime.getKieSession();
assertNotNull(ksession);
long sessionId = ksession.getIdentifier();
assertTrue(sessionId == 1);
runtime = manager.getRuntimeEngine(EmptyContext.get());
ksession = runtime.getKieSession();
assertEquals(sessionId, ksession.getIdentifier());
ProcessInstance processInstance = ksession.startProcess("customandhumantask");
logger.debug("Started process, committing...");
TaskService taskService = runtime.getTaskService();
List<TaskSummary> tasks = taskService.getTasksAssignedAsPotentialOwner("john", "en-UK");
assertEquals(1, tasks.size());
long taskId = tasks.get(0).getId();
taskService.start(taskId, "john");
UserTransaction ut = InitialContext.doLookup("java:comp/UserTransaction");
ut.begin();
taskService.complete(taskId, "john", null);
logger.debug("Task completed, committing...");
ut.commit();
ksession.fireAllRules();
countDownListener.waitTillCompleted();
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNull(processInstance);
// dispose session that should not have affect on the session at all
manager.disposeRuntimeEngine(runtime);
// close manager which will close session maintained by the manager
manager.close();
}
private class AsyncWorkItemHandler implements WorkItemHandler {
private RuntimeManager runtimeManager;
AsyncWorkItemHandler(RuntimeManager runtimeManager) {
this.runtimeManager = runtimeManager;
}
@Override
public void executeWorkItem(final WorkItem workItem, WorkItemManager manager) {
new Thread() {
@Override
public void run() {
try {
Thread.sleep(1000);
RuntimeEngine engine = runtimeManager.getRuntimeEngine(EmptyContext.get());// only for singleton
logger.debug("staring a thread....");
engine.getKieSession().insert("doing it async");
logger.debug("Completing the work item");
engine.getKieSession().getWorkItemManager().completeWorkItem(workItem.getId(), null);
runtimeManager.disposeRuntimeEngine(engine);
} catch (Exception e) {
logger.error("Error when executing async operation", e);
}
}
}.start();
}
@Override
public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
}
}
}