protected void invokeVariableListeners(boolean includeCustomerListeners) {
Queue<VariableEvent> variableEventsQueue = getVariableEventQueue();
while (!variableEventsQueue.isEmpty()) {
// do not remove the event yet, as otherwise new events will immediately be dispatched
VariableEvent nextEvent = variableEventsQueue.peek();
CmmnExecution sourceExecution = (CmmnExecution) nextEvent.getSourceScope();
DelegateCaseVariableInstanceImpl delegateVariable =
DelegateCaseVariableInstanceImpl.fromVariableInstance(nextEvent.getVariableInstance());
delegateVariable.setEventName(nextEvent.getEventName());
delegateVariable.setSourceExecution(sourceExecution);
Map<String, List<VariableListener<?>>> listenersByActivity =
sourceExecution
.getActivity()
.getVariableListeners(delegateVariable.getEventName(), includeCustomerListeners);
CmmnExecution currentExecution = sourceExecution;
while (currentExecution != null) {
if (currentExecution.getActivityId() != null) {
List<VariableListener<?>> listeners =
listenersByActivity.get(currentExecution.getActivityId());
if (listeners != null) {
delegateVariable.setScopeExecution(currentExecution);
for (VariableListener<?> listener : listeners) {
try {
CaseVariableListener caseVariableListener = (CaseVariableListener) listener;
CaseVariableListenerInvocation invocation =
new CaseVariableListenerInvocation(
caseVariableListener, delegateVariable, currentExecution);
Context.getProcessEngineConfiguration()
.getDelegateInterceptor()
.handleInvocation(invocation);
} catch (Exception e) {
throw LOG.invokeVariableListenerException(e);
}
}
}
}
currentExecution = currentExecution.getParent();
}
// finally remove the event from the queue
variableEventsQueue.remove();
}
}
protected List<String> collectAffectedSentries(CmmnExecution child, String transition) {
List<? extends CmmnSentryPart> sentryParts = getCaseSentryParts();
List<String> affectedSentries = new ArrayList<String>();
for (CmmnSentryPart sentryPart : sentryParts) {
// necessary for backward compatibility
String sourceCaseExecutionId = sentryPart.getSourceCaseExecutionId();
String sourceRef = sentryPart.getSource();
if (child.getActivityId().equals(sourceRef) || child.getId().equals(sourceCaseExecutionId)) {
String standardEvent = sentryPart.getStandardEvent();
if (transition.equals(standardEvent)) {
addIdIfNotSatisfied(affectedSentries, sentryPart);
}
}
}
return affectedSentries;
}