Examples with CaseExecutionListener org.camunda.bpm.engine.delegate.CaseExecutionListener used on opensource projects

Example 1 with CaseExecutionListener

use of org.camunda.bpm.engine.delegate.CaseExecutionListener in project camunda-bpm-platform by camunda.

the class ItemHandler method initializeCaseExecutionListeners.

protected void initializeCaseExecutionListeners(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context) {
    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);
        } else {
            for (String event : getStandardEvents(element)) {
                activity.addListener(event, caseExecutionListener);
            }
        }
    }
}

Example 2 with CaseExecutionListener

use of org.camunda.bpm.engine.delegate.CaseExecutionListener in project camunda-bpm-platform by camunda.

the class DelegateExpressionCaseExecutionListener method notify.

public void notify(DelegateCaseExecution caseExecution) throws Exception {
    // Note: we can't cache the result of the expression, because the
    // 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 {
        throw new ProcessEngineException("Delegate expression " + expression + " did not resolve to an implementation of " + CaseExecutionListener.class);
    }
}

Example 3 with CaseExecutionListener

use of org.camunda.bpm.engine.delegate.CaseExecutionListener in project camunda-bpm-platform by camunda.

the class ClassDelegateCaseExecutionListener method notify.

public void notify(DelegateCaseExecution caseExecution) throws Exception {
    CaseExecutionListener listenerInstance = getListenerInstance();
    Context.getProcessEngineConfiguration().getDelegateInterceptor().handleInvocation(new CaseExecutionListenerInvocation(listenerInstance, caseExecution));
}

Example 4 with CaseExecutionListener

use of org.camunda.bpm.engine.delegate.CaseExecutionListener in project camunda-bpm-platform by camunda.

the class ItemHandler method initializeCaseExecutionListener.

protected CaseExecutionListener initializeCaseExecutionListener(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, CamundaCaseExecutionListener listener) {
    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();
    if (className != null) {
        caseExecutionListener = new ClassDelegateCaseExecutionListener(className, fieldDeclarations);
    } else if (expression != null) {
        Expression expressionExp = expressionManager.createExpression(expression);
        caseExecutionListener = new ExpressionCaseExecutionListener(expressionExp);
    } else if (delegateExpression != null) {
        Expression delegateExp = expressionManager.createExpression(delegateExpression);
        caseExecutionListener = new DelegateExpressionCaseExecutionListener(delegateExp, fieldDeclarations);
    } else if (scriptElement != null) {
        ExecutableScript executableScript = initializeScript(element, activity, context, scriptElement);
        if (executableScript != null) {
            caseExecutionListener = new ScriptCaseExecutionListener(executableScript);
        }
    }
    return caseExecutionListener;
}