Examples of org.camunda.bpm.engine.delegate.CaseExecutionListener

org.camunda.bpm.engine.delegate.CaseExecutionListener
Listener interface implemented by user code which wants to be notified when a state transition happens on a {@link CaseExecution}.
The following state transition are supported on a {@link CaseInstance}:
- {@link #CREATE}
- {@link #COMPLETE}
- {@link #TERMINATE}
- {@link #SUSPEND}
- {@link #RE_ACTIVATE}
- {@link #CLOSE}
And on a {@link CaseExecution} which is not a {@link CaseInstance} and whichis associated with a {@link Task} or a {@link Stage} the following state transitionare supported:
- {@link #CREATE}
- {@link #ENABLE}
- {@link #DISABLE}
- {@link #RE_ENABLE}
- {@link #START}
- {@link #MANUAL_START}
- {@link #COMPLETE}
- {@link #TERMINATE}
- {@link #EXIT}
- {@link #SUSPEND}
- {@link #RESUME}
- {@link #PARENT_SUSPEND}
- {@link #PARENT_RESUME}
@author Roman Smirnov

  public ClassDelegateCaseExecutionListener(Class<?> clazz, List<FieldDeclaration> fieldDeclarations) {
    super(clazz, fieldDeclarations);
  }


  public void notify(DelegateCaseExecution caseExecution) throws Exception {
    CaseExecutionListener listenerInstance = getListenerInstance();


    Context
      .getProcessEngineConfiguration()
      .getDelegateInterceptor()
      .handleInvocation(new CaseExecutionListenerInvocation(listenerInstance, caseExecution));

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    // caseExecution can change: eg. delegateExpression='${mySpringBeanFactory.randomSpringBean()}'
    Object delegate = expression.getValue(caseExecution);
    applyFieldDeclaration(fieldDeclarations, delegate);


    if (delegate instanceof CaseExecutionListener) {
      CaseExecutionListener listenerInstance = (CaseExecutionListener) delegate;
      Context
        .getProcessEngineConfiguration()
        .getDelegateInterceptor()
        .handleInvocation(new CaseExecutionListenerInvocation(listenerInstance, caseExecution));
    } else {

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    PlanItemDefinition definition = getDefinition(element);


    List<CamundaCaseExecutionListener> listeners = queryExtensionElementsByClass(definition, CamundaCaseExecutionListener.class);


    for (CamundaCaseExecutionListener listener : listeners) {
      CaseExecutionListener caseExecutionListener = initializeCaseExecutionListener(element, activity, context, listener);


      String eventName = listener.getCamundaEvent();
      if(eventName != null) {
        activity.addListener(eventName, caseExecutionListener);

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    Collection<CamundaField> fields = listener.getCamundaFields();
    List<FieldDeclaration> fieldDeclarations = initializeFieldDeclarations(element, activity, context, fields);


    ExpressionManager expressionManager = context.getExpressionManager();


    CaseExecutionListener caseExecutionListener = null;


    String className = listener.getCamundaClass();
    String expression = listener.getCamundaExpression();
    String delegateExpression = listener.getCamundaDelegateExpression();
    CamundaScript scriptElement = listener.getCamundaScript();

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    PlanItemDefinition definition = getDefinition(element);


    List<CamundaCaseExecutionListener> listeners = queryExtensionElementsByClass(definition, CamundaCaseExecutionListener.class);


    for (CamundaCaseExecutionListener listener : listeners) {
      CaseExecutionListener caseExecutionListener = initializeCaseExecutionListener(element, activity, context, listener);


      String eventName = listener.getCamundaEvent();
      if(eventName != null) {
        activity.addListener(eventName, caseExecutionListener);

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    Collection<CamundaField> fields = listener.getCamundaFields();
    List<FieldDeclaration> fieldDeclarations = initializeFieldDeclarations(element, activity, context, fields);


    ExpressionManager expressionManager = context.getExpressionManager();


    CaseExecutionListener caseExecutionListener = null;


    String className = listener.getCamundaClass();
    String expression = listener.getCamundaExpression();
    String delegateExpression = listener.getCamundaDelegateExpression();
    CamundaScript scriptElement = listener.getCamundaScript();

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Related Classes of org.camunda.bpm.engine.delegate.CaseExecutionListener

org.camunda.bpm.engine.impl.cmmn.handler.ItemHandler

org.camunda.bpm.engine.impl.cmmn.listener.ClassDelegateCaseExecutionListener

org.camunda.bpm.engine.impl.cmmn.listener.DelegateExpressionCaseExecutionListener

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