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

        assertEquals(1, list.size());
    }
    
    public void testMessageEnd() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-MessageEndEvent.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ksession.getWorkItemManager().registerWorkItemHandler("Send Task", new SendTaskHandler());
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("x", "MyValue");
        ProcessInstance processInstance = ksession.startProcess("MessageEndEvent", params);
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }

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        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }
    
    public void testMessageIntermediateThrow() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-IntermediateThrowEventMessage.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ksession.getWorkItemManager().registerWorkItemHandler("Send Task", new SendTaskHandler());
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("x", "MyValue");
        ProcessInstance processInstance = ksession.startProcess("MessageIntermediateEvent", params);
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }

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        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }
    
    public void testSignalIntermediateThrow() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-IntermediateThrowEventSignal.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("x", "MyValue");
        ProcessInstance processInstance = ksession.startProcess("SignalIntermediateEvent", params);
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }

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        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }
    
    public void testNoneIntermediateThrow() throws Exception {
        KnowledgeBase kbase = createKnowledgeBase("BPMN2-IntermediateThrowEventNone.bpmn2");
    StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
        ProcessInstance processInstance = ksession.startProcess("NoneIntermediateEvent", null);
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }

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        System.setProperty( "drools.ruleflow.port", "true" );


        kbuilder.add( ResourceFactory.newClassPathResource("ruleflow.drl", ExecutionFlowControlTest.class), ResourceType.DRL);
        kbuilder.add( ResourceFactory.newClassPathResource("ruleflow40.rfm", ExecutionFlowControlTest.class), ResourceType.DRF);
        KnowledgeBase kbase = kbuilder.newKnowledgeBase();
        final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
        final List list = new ArrayList();
        ksession.setGlobal("list", list);
        ksession.fireAllRules();
        assertEquals(0, list.size());
        final ProcessInstance processInstance = ksession.startProcess("0");
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        ksession.fireAllRules();
        assertEquals( 4,
                      list.size() );
        assertEquals( "Rule1",
                      list.get( 0 ) );
        assertEquals( "Rule3",

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            "  </connections>\n" +
            "\n" +
            "</process>");
        kbuilder.add( ResourceFactory.newReaderResource( source ), ResourceType.DRF );
        KnowledgeBase kbase = kbuilder.newKnowledgeBase();
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
        // start process
        WorkflowProcessInstance processInstance = (WorkflowProcessInstance)
            ksession.startProcess("org.drools.state");
        // should be in state A
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        Collection<NodeInstance> nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        StateNodeInstance stateInstance = (StateNodeInstance) nodeInstances.iterator().next();

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            "  </connections>\n" +
            "\n" +
            "</process>");
        kbuilder.add( ResourceFactory.newReaderResource( source ), ResourceType.DRF );
        KnowledgeBase kbase = kbuilder.newKnowledgeBase();
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
        List<String> list = new ArrayList<String>();
        ksession.setGlobal("list", list);
        ProcessInstance processInstance = ksession.startProcess("org.drools.state");
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(1, list.size());
        assertEquals("1", list.get(0));
    }

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            "  </connections>\n" +
            "\n" +
            "</process>");
        kbuilder.add( ResourceFactory.newReaderResource( source ), ResourceType.DRF );
        KnowledgeBase kbase = kbuilder.newKnowledgeBase();
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
        List<String> list = new ArrayList<String>();
        ksession.setGlobal("list", list);
        ProcessInstance processInstance = ksession.startProcess("org.drools.state");
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(1, list.size());
        assertEquals("1", list.get(0));
    }

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            "  </connections>\n" +
            "\n" +
            "</process>");
        kbuilder.add( ResourceFactory.newReaderResource( source ), ResourceType.DRF );
        KnowledgeBase kbase = kbuilder.newKnowledgeBase();
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
        List<String> list = new ArrayList<String>();
        ksession.setGlobal("list", list);
        ProcessInstance processInstance = ksession.startProcess("org.drools.state");
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(1, list.size());
        assertEquals("2", list.get(0));
    }

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            "  </connections>\n" +
            "\n" +
            "</process>");
        kbuilder.add( ResourceFactory.newReaderResource( source ), ResourceType.DRF );
        KnowledgeBase kbase = kbuilder.newKnowledgeBase();
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
        List<String> list = new ArrayList<String>();
        ksession.setGlobal("list", list);
        ProcessInstance processInstance = ksession.startProcess("org.drools.state");
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        assertTrue(list.isEmpty());
        Person person = new Person("John Doe", 30);
        ksession.insert(person);
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(1, list.size());
        assertEquals("1", list.get(0));
    }

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