/*
* 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.kie.spring.jbpm;
import java.util.Arrays;
import java.util.Collection;
import static org.junit.Assert.*;
import java.util.List;
import javax.naming.InitialContext;
import javax.persistence.EntityManager;
import javax.transaction.UserTransaction;
import org.drools.persistence.jta.JtaTransactionManager;
import org.jbpm.process.audit.ProcessInstanceLog;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.manager.Context;
import org.kie.api.runtime.manager.RuntimeEngine;
import org.kie.api.runtime.manager.RuntimeManager;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.api.task.TaskService;
import org.kie.api.task.model.TaskSummary;
import org.kie.internal.runtime.manager.context.ProcessInstanceIdContext;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.AbstractPlatformTransactionManager;
import org.springframework.transaction.support.DefaultTransactionDefinition;
/**
* Tests verifying per process instance configuration.
*/
@RunWith(Parameterized.class)
public class PerProcessInstanceSpringTest extends AbstractJbpmSpringParameterizedTest {
@Parameterized.Parameters(name = "{index}: {0}")
public static Collection<Object[]> contextPath() {
Object[][] data = new Object[][] {
{ LOCAL_EM_PER_PROCESS_INSTANCE_PATH, ProcessInstanceIdContext.get() },
{ LOCAL_EMF_PER_PROCESS_INSTANCE_PATH, ProcessInstanceIdContext.get() },
{ JTA_EM_PER_PROCESS_INSTANCE_PATH, ProcessInstanceIdContext.get() },
{ JTA_EMF_PER_PROCESS_INSTANCE_PATH, ProcessInstanceIdContext.get() }
};
return Arrays.asList(data);
};
public PerProcessInstanceSpringTest(String contextPath, Context<?> runtimeManagerContext) {
super(contextPath, runtimeManagerContext);
}
@Test
public void testNoSessionInDbAfterInit() throws Exception {
EntityManager entityManager = getEntityManager();
// check that there is no sessions in db
List<?> sessions = entityManager.createQuery("from SessionInfo").getResultList();
assertNotNull(sessions);
assertEquals(0, sessions.size());
getManager();
// after creating per process instance manager init creates temp session that shall be directly destroyed
sessions = entityManager.createQuery("from SessionInfo").getResultList();
assertNotNull(sessions);
assertEquals(0, sessions.size());
}
/**
* Test verifying ProcessInstanceIdContext functionality for per process instance Runtime manager.
*
* @throws Exception
*/
@Test
public void testRecoveringKieSessionByProcessInstanceIdContext() throws Exception {
RuntimeManager manager = getManager();
RuntimeEngine engine = getEngine();
KieSession ksession = getKieSession();
long ksessionId = ksession.getIdentifier();
ProcessInstance processInstance = ksession.startProcess(SAMPLE_HELLO_PROCESS_ID);
System.out.println("Process started");
manager.disposeRuntimeEngine(engine);
// Creating new runtime engine, should return kie session defined previously as we pass its process instance id in context
engine = manager.getRuntimeEngine(ProcessInstanceIdContext.get(processInstance.getId()));
ksession = engine.getKieSession();
TaskService taskService = engine.getTaskService();
assertEquals(ksessionId, ksession.getIdentifier());
// Process can continue with new task service
ProcessInstanceLog log = getLogService().findProcessInstance(processInstance.getId());
assertNotNull(log);
List<TaskSummary> tasks = taskService.getTasksAssignedAsPotentialOwner(USER_JOHN, "en-UK");
System.out.println("Found " + tasks.size() + " task(s) for user '"+USER_JOHN+"'");
assertEquals(1, tasks.size());
long taskId = tasks.get(0).getId();
taskService.start(taskId, USER_JOHN);
taskService.complete(taskId, USER_JOHN, null);
tasks = taskService.getTasksAssignedAsPotentialOwner(USER_MARY, "en-UK");
System.out.println("Found " + tasks.size() + " task(s) for user '"+USER_MARY+"'");
assertEquals(1, tasks.size());
taskId = tasks.get(0).getId();
taskService.start(taskId, USER_MARY);
taskService.complete(taskId, USER_MARY, null);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNull(processInstance);
System.out.println("Process instance completed");
manager.disposeRuntimeEngine(engine);
}
@Test
public void testProcessWithTaskCompletionWithDispose() throws Exception{
RuntimeManager manager = getManager();
final AbstractPlatformTransactionManager transactionManager = getTransactionManager();
final DefaultTransactionDefinition defTransDefinition = new DefaultTransactionDefinition();
TransactionStatus status = transactionManager.getTransaction(defTransDefinition);
// start process 1
RuntimeEngine runtime = manager.getRuntimeEngine(ProcessInstanceIdContext.get());
KieSession ksession = runtime.getKieSession();
assertNotNull(ksession);
ProcessInstance pi1 = ksession.startProcess(SAMPLE_HELLO_PROCESS_ID);
assertEquals(ProcessInstance.STATE_ACTIVE, pi1.getState());
// collect task for process instance 1
List<Long> taskIds = runtime.getTaskService().getTasksByProcessInstanceId(pi1.getId());
assertNotNull(taskIds);
assertEquals(1, taskIds.size());
Long taskId1 = taskIds.get(0);
runtime.getTaskService().start(taskId1, USER_JOHN);
transactionManager.commit(status);
manager.disposeRuntimeEngine(runtime);
status = transactionManager.getTransaction(defTransDefinition);
// start process 2
RuntimeEngine runtime2 = manager.getRuntimeEngine(ProcessInstanceIdContext.get());
KieSession ksession2 = runtime2.getKieSession();
assertNotNull(ksession2);
ProcessInstance pi2 = ksession2.startProcess(SAMPLE_HELLO_PROCESS_ID);
assertEquals(ProcessInstance.STATE_ACTIVE, pi2.getState());
// collect task for process instance 2
List<Long> taskIds2 = runtime2.getTaskService().getTasksByProcessInstanceId(pi2.getId());
assertNotNull(taskIds2);
assertEquals(1, taskIds2.size());
Long taskId2 = taskIds2.get(0);
runtime2.getTaskService().start(taskId2, USER_JOHN);
transactionManager.commit(status);
manager.disposeRuntimeEngine(runtime2);
status = transactionManager.getTransaction(defTransDefinition);
// start and complete first task in process instance 1
runtime = manager.getRuntimeEngine(ProcessInstanceIdContext.get(pi1.getId()));
runtime.getTaskService().complete(taskId1, USER_JOHN, null);
transactionManager.commit(status);
manager.disposeRuntimeEngine(runtime);
status = transactionManager.getTransaction(defTransDefinition);
// start and complete first task in process instance 2
runtime2 = manager.getRuntimeEngine(ProcessInstanceIdContext.get(pi2.getId()));
runtime2.getTaskService().complete(taskId2, USER_JOHN, null);
transactionManager.commit(status);
manager.disposeRuntimeEngine(runtime);
status = transactionManager.getTransaction(defTransDefinition);
runtime = manager.getRuntimeEngine(ProcessInstanceIdContext.get(pi1.getId()));
taskIds = runtime.getTaskService().getTasksByProcessInstanceId(pi1.getId());
assertNotNull(taskIds);
assertEquals(2, taskIds.size());
taskId1 = taskIds.get(1);
// start and complete second task in process instance 1
runtime.getTaskService().start(taskId1, USER_MARY);
runtime.getTaskService().complete(taskId1, USER_MARY, null);
transactionManager.commit(status);
manager.disposeRuntimeEngine(runtime);
// since process is completed now session should not be there any more
try {
manager.getRuntimeEngine(ProcessInstanceIdContext.get(pi1.getId())).getKieSession();
fail("Session for this (" + pi1.getId() + ") process instance is no more accessible");
} catch (RuntimeException e) {
}
status = transactionManager.getTransaction(defTransDefinition);
runtime2 = manager.getRuntimeEngine(ProcessInstanceIdContext.get(pi2.getId()));
taskIds2 = runtime2.getTaskService().getTasksByProcessInstanceId(pi2.getId());
assertNotNull(taskIds2);
assertEquals(2, taskIds2.size());
taskId2 = taskIds2.get(1);
// start and complete second task in process instance 2
runtime2.getTaskService().start(taskId2, USER_MARY);
runtime2.getTaskService().complete(taskId2, USER_MARY, null);
transactionManager.commit(status);
manager.disposeRuntimeEngine(runtime2);
// since process is completed now session should not be there any more
try {
manager.getRuntimeEngine(ProcessInstanceIdContext.get(pi2.getId())).getKieSession();
fail("Session for this (" + pi2.getId() + ") process instance is no more accessible");
} catch (RuntimeException e) {
}
}
}