Examples with KnowledgeBase org.drools.KnowledgeBase used on opensource projects

Example 31 with KnowledgeBase

use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.

the class HospitalInsuranceProcessExecutorTest method initializeSession.

private void initializeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("InsuranceProcessV2.bpmn"), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    session = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
    session.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
            session.fireAllRules();
        }
    });
    // Registers the same generic handler for all the tasks. The handler will
    // schedule commands into the Executor Service. Each task in the process
    // is configured to use a different command.
    AsyncGenericWorkItemHandler genericHandler = new AsyncGenericWorkItemHandler(executor, session.getId());
    session.getWorkItemManager().registerWorkItemHandler("Gather Patient Data", genericHandler);
    session.getWorkItemManager().registerWorkItemHandler("Insurance Service", genericHandler);
    session.getWorkItemManager().registerWorkItemHandler("External Insurance Company Service", genericHandler);
    session.getWorkItemManager().registerWorkItemHandler("Rates Service", genericHandler);
    session.getWorkItemManager().registerWorkItemHandler("Invoice Service", genericHandler);
}

Example 32 with KnowledgeBase

use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.

the class SlowWebServicesInteractionsTest method initializeSession.

private void initializeSession(String processName) {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource(processName), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    session = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
    session.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
            session.fireAllRules();
        }
    });
}

Example 33 with KnowledgeBase

use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.

the class AsyncWorkItemWaitForCompletionTest method initializeSession.

private void initializeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    // We are using a proces containing a single Task. The task is configured
    // to wait until the completion of the external system. A specialized
    // callback (CompleteWorkItemCallback) is used to complete the work item
    // after the command was executed.
    kbuilder.add(new ClassPathResource("async-work-item-wait.bpmn"), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    session = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
    session.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
            session.fireAllRules();
        }
    });
    // Registers the session in SessionStoreUtil. The callback we are using
    // for the process' Task will retrieve this session later and completes
    // the work item using it.
    SessionStoreUtil.sessionCache.put("sessionId=" + session.getId(), session);
}

Example 34 with KnowledgeBase

use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.

the class HospitalInsuranceProcessTest method initializeSession.

private void initializeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("InsuranceProcessV1.bpmn"), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    session = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
    session.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
            session.fireAllRules();
        }
    });
    // Registers an independent mocked work item handler for each task present
    // in the process.
    PatientDataServiceWorkItemHandler patientDataHandler = new PatientDataServiceWorkItemHandler();
    session.getWorkItemManager().registerWorkItemHandler("Gather Patient Data", patientDataHandler);
    InsuranceServiceWorkItemHandler insuranceServiceHandler = new InsuranceServiceWorkItemHandler();
    session.getWorkItemManager().registerWorkItemHandler("Insurance Service", insuranceServiceHandler);
    CompanyGatewayWorkItemHandler companyGatewayHandler = new CompanyGatewayWorkItemHandler();
    session.getWorkItemManager().registerWorkItemHandler("External Insurance Company Service", companyGatewayHandler);
    RatesServiceWorkItemHandler ratesServiceHandler = new RatesServiceWorkItemHandler();
    session.getWorkItemManager().registerWorkItemHandler("Rates Service", ratesServiceHandler);
    InvoiceServiceWorkItemHandler invoiceServiceHandler = new InvoiceServiceWorkItemHandler();
    session.getWorkItemManager().registerWorkItemHandler("Invoice Service", invoiceServiceHandler);
}

Example 35 with KnowledgeBase

use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.

the class EmergencyBedRequestBaseTest method initializeSession.

/**
 * Compiles the resources indicated by the concrete implementation of
 * this class (using {@link #getResources()} abstract method.
 * If there is any compilation error an {@link IllegalStateException} is
 * thrown.
 * After the resources are compiled, a kbase is created and populated with
 * the resulting knowledge package/s.
 * From this kbase, a new StatefulKnowledgeSession is created. The session
 * is configured with 2 listeners:
 * 1.- An Agenda event listener that will fireAllRules() every time an
 * activation happens
 * 2.- A Process event listener that will insert the process instance as
 * a Fact once a process is started.
 */
private void initializeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    for (Map.Entry<Resource, ResourceType> entry : this.getResources().entrySet()) {
        kbuilder.add(entry.getKey(), entry.getValue());
    }
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    session = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
    session.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
            session.fireAllRules();
        }
    });
    session.addEventListener(new DefaultProcessEventListener() {

        @Override
        public void beforeProcessStarted(ProcessStartedEvent event) {
            session.insert(event.getProcessInstance());
        }
    });
}