Examples of org.drools.runtime.StatefulKnowledgeSession

org.drools.runtime.StatefulKnowledgeSession
a global hibernate session, that can be used for DB interactions in the rules. for( Object fact : facts ) { ksession.insert( fact ); } ksession.fireAllRules(); // this will now execute and will be able to resolve the "hbnSession" identifier. ksession.dispose();
Like StatelessKnowledgeSession this also implements CommandExecutor which can be used to script a StatefulKnowledgeSession. See CommandExecutor for more details.
@see org.drools.runtime.Globals

    assertProcessInstanceAborted(processInstance.getId(), ksession);
    }


    public void testEscalationEndEventProcess() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-EscalationEndEvent.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ProcessInstance processInstance = ksession.startProcess("EscalationEndEvent");
    assertProcessInstanceAborted(processInstance.getId(), ksession);
    }

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    assertProcessInstanceAborted(processInstance.getId(), ksession);
    }


    public void testEscalationIntermediateThrowEventProcess() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-IntermediateThrowEventEscalation.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ProcessInstance processInstance = ksession.startProcess("EscalationIntermediateThrowEvent");
    assertProcessInstanceAborted(processInstance.getId(), ksession);
    }

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    assertProcessInstanceAborted(processInstance.getId(), ksession);
    }


    public void testCompensateIntermediateThrowEventProcess() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-IntermediateThrowEventCompensate.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ProcessInstance processInstance = ksession.startProcess("CompensateIntermediateThrowEvent");
    assertProcessInstanceCompleted(processInstance.getId(), ksession);
    }

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    assertProcessInstanceCompleted(processInstance.getId(), ksession);
    }


    public void testCompensateEndEventProcess() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-CompensateEndEvent.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ProcessInstance processInstance = ksession.startProcess("CompensateEndEvent");
    assertProcessInstanceCompleted(processInstance.getId(), ksession);
    }

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    assertProcessInstanceCompleted(processInstance.getId(), ksession);
    }


    public void testServiceTask() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-ServiceProcess.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ksession.getWorkItemManager().registerWorkItemHandler("Service Task", new ServiceTaskHandler());
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("s", "john");
        WorkflowProcessInstance processInstance = (WorkflowProcessInstance)
            ksession.startProcess("ServiceProcess", params);
    assertProcessInstanceCompleted(processInstance.getId(), ksession);
        assertEquals("Hello john!", processInstance.getVariable("s"));
    }

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        assertEquals("Hello john!", processInstance.getVariable("s"));
    }


    public void testSendTask() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-SendTask.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ksession.getWorkItemManager().registerWorkItemHandler("Send Task", new SendTaskHandler());
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("s", "john");
        WorkflowProcessInstance processInstance = (WorkflowProcessInstance)
            ksession.startProcess("SendTask", params);
    assertProcessInstanceCompleted(processInstance.getId(), ksession);
    }

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    assertProcessInstanceCompleted(processInstance.getId(), ksession);
    }


    public void testReceiveTask() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-ReceiveTask.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ReceiveTaskHandler receiveTaskHandler = new ReceiveTaskHandler(ksession);
        ksession.getWorkItemManager().registerWorkItemHandler("Receive Task", receiveTaskHandler);
        WorkflowProcessInstance processInstance = (WorkflowProcessInstance)
            ksession.startProcess("ReceiveTask");
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        ksession = restoreSession(ksession, true);
        receiveTaskHandler.messageReceived("HelloMessage", "Hello john!");
    assertProcessInstanceCompleted(processInstance.getId(), ksession);
    }

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//        assertEquals(5, list.size());
//    }
    
    public void testSignalStart() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-SignalStart.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
    final List<Long> list = new ArrayList<Long>();
    ksession.addEventListener(new DefaultProcessEventListener() {
      public void afterProcessStarted(ProcessStartedEvent event) {
        list.add(event.getProcessInstance().getId());
      }
    });
        ksession.signalEvent("MyStartSignal", "NewValue");
    assertEquals(1, list.size());
    }

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    assertEquals(1, list.size());
    }
    
    public void testSignalEnd() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-SignalEndEvent.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("x", "MyValue");
        ksession.startProcess("SignalEndEvent", params);
    }

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        ksession.startProcess("SignalEndEvent", params);
    }
    
    public void testMessageStart() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-MessageStart.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
    final List<Long> list = new ArrayList<Long>();
    ksession.addEventListener(new DefaultProcessEventListener() {
      public void afterProcessStarted(ProcessStartedEvent event) {
        list.add(event.getProcessInstance().getId());
      }
    });
        ksession.signalEvent("Message-HelloMessage", "NewValue");
        assertEquals(1, list.size());
    }

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