Package org.drools.container.spring.beans.persistence

Source Code of org.drools.container.spring.beans.persistence.JPASingleSessionCommandServiceFactoryTest

package org.drools.container.spring.beans.persistence;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Collection;
import java.util.Properties;

import org.drools.command.SingleSessionCommandService;
import org.drools.command.runtime.process.CompleteWorkItemCommand;
import org.drools.command.runtime.process.GetProcessInstanceCommand;
import org.drools.command.runtime.process.StartProcessCommand;
import org.drools.compiler.PackageBuilder;
import org.drools.compiler.ProcessBuilder;
import org.drools.container.spring.beans.JPASingleSessionCommandService;
import org.drools.core.util.DroolsStreamUtils;
import org.drools.process.core.Work;
import org.drools.process.core.impl.WorkImpl;
import org.drools.process.core.timer.Timer;
import org.drools.rule.Package;
import org.drools.ruleflow.core.RuleFlowProcess;
import org.drools.ruleflow.instance.RuleFlowProcessInstance;
import org.drools.runtime.process.NodeInstance;
import org.drools.runtime.process.ProcessInstance;
import org.drools.runtime.process.WorkItem;
import org.drools.workflow.core.Node;
import org.drools.workflow.core.impl.ConnectionImpl;
import org.drools.workflow.core.impl.DroolsConsequenceAction;
import org.drools.workflow.core.node.ActionNode;
import org.drools.workflow.core.node.EndNode;
import org.drools.workflow.core.node.StartNode;
import org.drools.workflow.core.node.SubProcessNode;
import org.drools.workflow.core.node.TimerNode;
import org.drools.workflow.core.node.WorkItemNode;
import org.drools.workflow.instance.node.SubProcessNodeInstance;
import org.h2.tools.DeleteDbFiles;
import org.h2.tools.Server;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import static org.junit.Assert.*;

public class JPASingleSessionCommandServiceFactoryTest {
  private static final String TMPDIR = System.getProperty("java.io.tmpdir");
  private static final Logger log = LoggerFactory.getLogger(JPASingleSessionCommandServiceFactoryTest.class);
  private static Server h2Server;
   
    private ClassPathXmlApplicationContext ctx;
   
    @BeforeClass
    public static void startH2Database() throws Exception {
      DeleteDbFiles.execute("", "DroolsFlow", true);
      h2Server = Server.createTcpServer(new String[0]);
      h2Server.start();
    }
   
    @AfterClass
    public static void stopH2Database() throws Exception {
      log.info("stoping database");
      h2Server.stop();
      DeleteDbFiles.execute("", "DroolsFlow", true);
    }

    @BeforeClass
    public static void generatePackages() {
      try {
      log.info("creating: {}", TMPDIR + "/processWorkItems.pkg");
      writePackage(getProcessWorkItems(), new File(TMPDIR + "/processWorkItems.pkg"));
     
      log.info("creating: {}", TMPDIR + "/processSubProcess.pkg");
      writePackage(getProcessSubProcess(), new File(TMPDIR + "/processSubProcess.pkg"));
     
      log.info("creating: {}", TMPDIR + "/processTimer.pkg");
      writePackage(getProcessTimer(), new File(TMPDIR + "/processTimer.pkg"));
     
      log.info("creating: {}", TMPDIR + "/processTimer2.pkg");
      writePackage(getProcessTimer2(), new File(TMPDIR + "/processTimer2.pkg"));
    } catch (Exception e) {
      log.error("can't create packages!", e);
      throw new RuntimeException(e);
    }
  }
   
    @AfterClass
    public static void deletePackages() {
      new File(TMPDIR + "/processWorkItems.pkg").delete();
    new File(TMPDIR + "/processSubProcess.pkg").delete();
    new File(TMPDIR + "/processTimer.pkg").delete();
    new File(TMPDIR + "/processTimer2.pkg").delete();
  }
   
    @Before
    public void createSpringContext() {
      try {
      log.info("creating spring context");
      PropertyPlaceholderConfigurer configurer = new PropertyPlaceholderConfigurer();
      Properties properties = new Properties();
      properties.setProperty("temp.dir", TMPDIR);
      configurer.setProperties(properties);
      ctx = new ClassPathXmlApplicationContext();
      ctx.addBeanFactoryPostProcessor(configurer);
      ctx.setConfigLocation("org/drools/container/spring/beans/persistence/beans.xml");
      ctx.refresh();
    } catch (Exception e) {
      log.error("can't create spring context", e);
      throw new RuntimeException(e);
    }
    }
   
    @After
    public void destrySpringContext() {
      log.info("destroy spring context");
      ctx.destroy();
    }
     
    public void FIXMEtestPersistenceWorkItems() throws Exception {
      log.info("---> get bean jpaSingleSessionCommandService");
        JPASingleSessionCommandService jpaService = (JPASingleSessionCommandService) ctx.getBean("jpaSingleSessionCommandService");
       
        log.info("---> create new SingleSessionCommandService");
        SingleSessionCommandService service = jpaService.newStatefulKnowledgeSession();
       
        int sessionId = service.getSessionId();
        log.info("---> created SingleSessionCommandService id: " + sessionId);

        StartProcessCommand startProcessCommand = new StartProcessCommand();
        startProcessCommand.setProcessId( "org.drools.test.TestProcess" );
        ProcessInstance processInstance = service.execute( startProcessCommand );
        log.info( "Started process instance {}", processInstance.getId() );

        TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
        WorkItem workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        GetProcessInstanceCommand getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        CompleteWorkItemCommand completeWorkItemCommand = new CompleteWorkItemCommand();
        completeWorkItemCommand.setWorkItemId( workItem.getId() );
        service.execute( completeWorkItemCommand );

        workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        completeWorkItemCommand = new CompleteWorkItemCommand();
        completeWorkItemCommand.setWorkItemId( workItem.getId() );
        service.execute( completeWorkItemCommand );

        workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        completeWorkItemCommand = new CompleteWorkItemCommand();
        completeWorkItemCommand.setWorkItemId( workItem.getId() );
        service.execute( completeWorkItemCommand );

        workItem = handler.getWorkItem();
        assertNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNull( processInstance );
        service.dispose();
    }

    @Test
    public void testPersistenceWorkItemsUserTransaction() throws Exception {
       
        JPASingleSessionCommandService jpaService = (JPASingleSessionCommandService) ctx.getBean("jpaSingleSessionCommandService");
        SingleSessionCommandService service = jpaService.newStatefulKnowledgeSession();

        int sessionId = service.getSessionId();

        StartProcessCommand startProcessCommand = new StartProcessCommand();
        startProcessCommand.setProcessId( "org.drools.test.TestProcess" );
        ProcessInstance processInstance = service.execute( startProcessCommand );
        log.info( "Started process instance {}", processInstance.getId() );

        TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
        WorkItem workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        GetProcessInstanceCommand getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        CompleteWorkItemCommand completeWorkItemCommand = new CompleteWorkItemCommand();
        completeWorkItemCommand.setWorkItemId( workItem.getId() );
        service.execute( completeWorkItemCommand );

        workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

    service = jpaService.loadStatefulKnowledgeSession(sessionId);
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        completeWorkItemCommand = new CompleteWorkItemCommand();
        completeWorkItemCommand.setWorkItemId( workItem.getId() );
        service.execute( completeWorkItemCommand );

        workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        completeWorkItemCommand = new CompleteWorkItemCommand();
        completeWorkItemCommand.setWorkItemId( workItem.getId() );
        service.execute( completeWorkItemCommand );

        workItem = handler.getWorkItem();
        assertNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNull( processInstance );
        service.dispose();
    }

    private static Package getProcessWorkItems() {
        RuleFlowProcess process = new RuleFlowProcess();
        process.setId( "org.drools.test.TestProcess" );
        process.setName( "TestProcess" );
        process.setPackageName( "org.drools.test" );
        StartNode start = new StartNode();
        start.setId( 1 );
        start.setName( "Start" );
        process.addNode( start );
        ActionNode actionNode = new ActionNode();
        actionNode.setId( 2 );
        actionNode.setName( "Action" );
        DroolsConsequenceAction action = new DroolsConsequenceAction();
        action.setDialect( "java" );
        action.setConsequence( "System.out.println(\"Executed action\");" );
        actionNode.setAction( action );
        process.addNode( actionNode );
        new ConnectionImpl( start,
                            Node.CONNECTION_DEFAULT_TYPE,
                            actionNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        WorkItemNode workItemNode = new WorkItemNode();
        workItemNode.setId( 3 );
        workItemNode.setName( "WorkItem1" );
        Work work = new WorkImpl();
        work.setName( "MyWork" );
        workItemNode.setWork( work );
        process.addNode( workItemNode );
        new ConnectionImpl( actionNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            workItemNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        WorkItemNode workItemNode2 = new WorkItemNode();
        workItemNode2.setId( 4 );
        workItemNode2.setName( "WorkItem2" );
        work = new WorkImpl();
        work.setName( "MyWork" );
        workItemNode2.setWork( work );
        process.addNode( workItemNode2 );
        new ConnectionImpl( workItemNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            workItemNode2,
                            Node.CONNECTION_DEFAULT_TYPE );
        WorkItemNode workItemNode3 = new WorkItemNode();
        workItemNode3.setId( 5 );
        workItemNode3.setName( "WorkItem3" );
        work = new WorkImpl();
        work.setName( "MyWork" );
        workItemNode3.setWork( work );
        process.addNode( workItemNode3 );
        new ConnectionImpl( workItemNode2,
                            Node.CONNECTION_DEFAULT_TYPE,
                            workItemNode3,
                            Node.CONNECTION_DEFAULT_TYPE );
        EndNode end = new EndNode();
        end.setId( 6 );
        end.setName( "End" );
        process.addNode( end );
        new ConnectionImpl( workItemNode3,
                            Node.CONNECTION_DEFAULT_TYPE,
                            end,
                            Node.CONNECTION_DEFAULT_TYPE );

        PackageBuilder packageBuilder = new PackageBuilder();
        ProcessBuilder processBuilder = new ProcessBuilder( packageBuilder );
        processBuilder.buildProcess( process,
                                     null );
       
       
        return packageBuilder.getPackage() ;
    }
   
  public static void writePackage(Package pkg, File dest) {
    OutputStream out = null;
    try {
      out = new BufferedOutputStream(new FileOutputStream(dest));
      DroolsStreamUtils.streamOut(out, pkg);
    } catch (Exception e) {
      throw new RuntimeException(e);
    } finally {
      if (out != null) {
        try {
          out.close();
        } catch (IOException e) {
        }
      }
    }
  }
   
    @Test
    public void testPersistenceSubProcess() {

        JPASingleSessionCommandService jpaService = (JPASingleSessionCommandService) ctx.getBean("jpaSingleSessionCommandService");
        SingleSessionCommandService service = jpaService.newStatefulKnowledgeSession();

        int sessionId = service.getSessionId();

        StartProcessCommand startProcessCommand = new StartProcessCommand();
        startProcessCommand.setProcessId( "org.drools.test.ProcessSubProcess" );
        RuleFlowProcessInstance processInstance = (RuleFlowProcessInstance) service.execute( startProcessCommand );
        log.info( "Started process instance {}", processInstance.getId() );
        long processInstanceId = processInstance.getId();

        TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
        WorkItem workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        GetProcessInstanceCommand getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstanceId );
        processInstance = (RuleFlowProcessInstance) service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );

        Collection<NodeInstance> nodeInstances = processInstance.getNodeInstances();
        assertEquals( 1,
                      nodeInstances.size() );
        SubProcessNodeInstance subProcessNodeInstance = (SubProcessNodeInstance) nodeInstances.iterator().next();
        long subProcessInstanceId = subProcessNodeInstance.getProcessInstanceId();
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( subProcessInstanceId );
        RuleFlowProcessInstance subProcessInstance = (RuleFlowProcessInstance) service.execute( getProcessInstanceCommand );
        assertNotNull( subProcessInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        CompleteWorkItemCommand completeWorkItemCommand = new CompleteWorkItemCommand();
        completeWorkItemCommand.setWorkItemId( workItem.getId() );
        service.execute( completeWorkItemCommand );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( subProcessInstanceId );
        subProcessInstance = (RuleFlowProcessInstance) service.execute( getProcessInstanceCommand );
        assertNull( subProcessInstance );

        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstanceId );
        processInstance = (RuleFlowProcessInstance) service.execute( getProcessInstanceCommand );
        assertNull( processInstance );
        service.dispose();
    }

    private static Package getProcessSubProcess() {
        RuleFlowProcess process = new RuleFlowProcess();
        process.setId( "org.drools.test.ProcessSubProcess" );
        process.setName( "ProcessSubProcess" );
        process.setPackageName( "org.drools.test" );
        StartNode start = new StartNode();
        start.setId( 1 );
        start.setName( "Start" );
        process.addNode( start );
        ActionNode actionNode = new ActionNode();
        actionNode.setId( 2 );
        actionNode.setName( "Action" );
        DroolsConsequenceAction action = new DroolsConsequenceAction();
        action.setDialect( "java" );
        action.setConsequence( "System.out.println(\"Executed action\");" );
        actionNode.setAction( action );
        process.addNode( actionNode );
        new ConnectionImpl( start,
                            Node.CONNECTION_DEFAULT_TYPE,
                            actionNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        SubProcessNode subProcessNode = new SubProcessNode();
        subProcessNode.setId( 3 );
        subProcessNode.setName( "SubProcess" );
        subProcessNode.setProcessId( "org.drools.test.SubProcess" );
        process.addNode( subProcessNode );
        new ConnectionImpl( actionNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            subProcessNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        EndNode end = new EndNode();
        end.setId( 4 );
        end.setName( "End" );
        process.addNode( end );
        new ConnectionImpl( subProcessNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            end,
                            Node.CONNECTION_DEFAULT_TYPE );

        PackageBuilder packageBuilder = new PackageBuilder();
        ProcessBuilder processBuilder = new ProcessBuilder( packageBuilder );
        processBuilder.buildProcess( process,
                                     null );

        process = new RuleFlowProcess();
        process.setId( "org.drools.test.SubProcess" );
        process.setName( "SubProcess" );
        process.setPackageName( "org.drools.test" );
        start = new StartNode();
        start.setId( 1 );
        start.setName( "Start" );
        process.addNode( start );
        actionNode = new ActionNode();
        actionNode.setId( 2 );
        actionNode.setName( "Action" );
        action = new DroolsConsequenceAction();
        action.setDialect( "java" );
        action.setConsequence( "System.out.println(\"Executed action\");" );
        actionNode.setAction( action );
        process.addNode( actionNode );
        new ConnectionImpl( start,
                            Node.CONNECTION_DEFAULT_TYPE,
                            actionNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        WorkItemNode workItemNode = new WorkItemNode();
        workItemNode.setId( 3 );
        workItemNode.setName( "WorkItem1" );
        Work work = new WorkImpl();
        work.setName( "MyWork" );
        workItemNode.setWork( work );
        process.addNode( workItemNode );
        new ConnectionImpl( actionNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            workItemNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        end = new EndNode();
        end.setId( 6 );
        end.setName( "End" );
        process.addNode( end );
        new ConnectionImpl( workItemNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            end,
                            Node.CONNECTION_DEFAULT_TYPE );

        processBuilder.buildProcess( process,
                                     null );
        return packageBuilder.getPackage();
    }
   
    @Test
    public void testPersistenceTimer() throws Exception {
      log.info("---> get bean jpaSingleSessionCommandService");
        JPASingleSessionCommandService jpaService = (JPASingleSessionCommandService) ctx.getBean("jpaSingleSessionCommandService");
       
        log.info("---> create new SingleSessionCommandService");
        SingleSessionCommandService service = jpaService.newStatefulKnowledgeSession();
       
        int sessionId = service.getSessionId();
        log.info("---> created SingleSessionCommandService id: " + sessionId);
           
        StartProcessCommand startProcessCommand = new StartProcessCommand();
        startProcessCommand.setProcessId( "org.drools.test.ProcessTimer" );
        ProcessInstance processInstance = service.execute( startProcessCommand );
        long procId = processInstance.getId();
    log.info( "---> Started ProcessTimer id: {}", procId );
        service.dispose();
        log.info( "---> session disposed" );

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        log.info( "---> load session: " + sessionId);
        GetProcessInstanceCommand getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( procId );
        processInstance = service.execute( getProcessInstanceCommand );
        log.info("---> GetProcessInstanceCommand id: " + procId);
        assertNotNull( processInstance );
        log.info( "---> session disposed" );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        log.info( "---> load session: " + sessionId);
        Thread.sleep( 3000 );
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( procId );
        log.info("---> GetProcessInstanceCommand id: " + procId);
        processInstance = service.execute( getProcessInstanceCommand );
        log.info( "---> session disposed" );
        assertNull( processInstance );
    }

    private static Package getProcessTimer() {
        RuleFlowProcess process = new RuleFlowProcess();
        process.setId( "org.drools.test.ProcessTimer" );
        process.setName( "ProcessTimer" );
        process.setPackageName( "org.drools.test" );
        StartNode start = new StartNode();
        start.setId( 1 );
        start.setName( "Start" );
        process.addNode( start );
        TimerNode timerNode = new TimerNode();
        timerNode.setId( 2 );
        timerNode.setName( "Timer" );
        Timer timer = new Timer();
        timer.setDelay( "2000" );
        timerNode.setTimer( timer );
        process.addNode( timerNode );
        new ConnectionImpl( start,
                            Node.CONNECTION_DEFAULT_TYPE,
                            timerNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        ActionNode actionNode = new ActionNode();
        actionNode.setId( 3 );
        actionNode.setName( "Action" );
        DroolsConsequenceAction action = new DroolsConsequenceAction();
        action.setDialect( "java" );
        action.setConsequence( "System.out.println(\"Executed action\");" );
        actionNode.setAction( action );
        process.addNode( actionNode );
        new ConnectionImpl( timerNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            actionNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        EndNode end = new EndNode();
        end.setId( 6 );
        end.setName( "End" );
        process.addNode( end );
        new ConnectionImpl( actionNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            end,
                            Node.CONNECTION_DEFAULT_TYPE );

        PackageBuilder packageBuilder = new PackageBuilder();
        ProcessBuilder processBuilder = new ProcessBuilder( packageBuilder );
        processBuilder.buildProcess( process,
                                     null );
        return packageBuilder.getPackage();
    }

    @Test
    public void testPersistenceTimer2() throws Exception {
      JPASingleSessionCommandService jpaService = (JPASingleSessionCommandService) ctx.getBean("jpaSingleSessionCommandService");
        SingleSessionCommandService service = jpaService.newStatefulKnowledgeSession();

        int sessionId = service.getSessionId();
       
        StartProcessCommand startProcessCommand = new StartProcessCommand();
        startProcessCommand.setProcessId( "org.drools.test.ProcessTimer2" );
        ProcessInstance processInstance = service.execute( startProcessCommand );
        log.info( "Started process instance {}", processInstance.getId() );

        Thread.sleep( 2000 );

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        GetProcessInstanceCommand getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstance.getId() );
        processInstance = service.execute( getProcessInstanceCommand );
        assertNull( processInstance );
    }

    private static Package getProcessTimer2() {
        RuleFlowProcess process = new RuleFlowProcess();
        process.setId( "org.drools.test.ProcessTimer2" );
        process.setName( "ProcessTimer2" );
        process.setPackageName( "org.drools.test" );
        StartNode start = new StartNode();
        start.setId( 1 );
        start.setName( "Start" );
        process.addNode( start );
        TimerNode timerNode = new TimerNode();
        timerNode.setId( 2 );
        timerNode.setName( "Timer" );
        Timer timer = new Timer();
        timer.setDelay( "0" );
        timerNode.setTimer( timer );
        process.addNode( timerNode );
        new ConnectionImpl( start,
                            Node.CONNECTION_DEFAULT_TYPE,
                            timerNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        ActionNode actionNode = new ActionNode();
        actionNode.setId( 3 );
        actionNode.setName( "Action" );
        DroolsConsequenceAction action = new DroolsConsequenceAction();
        action.setDialect( "java" );
        action.setConsequence( "try { Thread.sleep(1000); } catch (Throwable t) {} System.out.println(\"Executed action\");" );
        actionNode.setAction( action );
        process.addNode( actionNode );
        new ConnectionImpl( timerNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            actionNode,
                            Node.CONNECTION_DEFAULT_TYPE );
        EndNode end = new EndNode();
        end.setId( 6 );
        end.setName( "End" );
        process.addNode( end );
        new ConnectionImpl( actionNode,
                            Node.CONNECTION_DEFAULT_TYPE,
                            end,
                            Node.CONNECTION_DEFAULT_TYPE );

        PackageBuilder packageBuilder = new PackageBuilder();
        ProcessBuilder processBuilder = new ProcessBuilder( packageBuilder );
        processBuilder.buildProcess( process,
                                     null );
        return packageBuilder.getPackage();
    }
}
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Related Classes of org.drools.container.spring.beans.persistence.JPASingleSessionCommandServiceFactoryTest

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