DecisionStateMachine decision = getDecision(new DecisionId(DecisionTarget.SIGNAL, signalId));
decision.cancel(immediateCancellationCallback);
}
void handleSignalExternalWorkflowExecutionInitiated(HistoryEvent event) {
SignalExternalWorkflowExecutionInitiatedEventAttributes attributes = event.getSignalExternalWorkflowExecutionInitiatedEventAttributes();
String signalId = attributes.getControl();
signalInitiatedEventIdToSignalId.put(event.getEventId(), signalId);
DecisionStateMachine decision = getDecision(new DecisionId(DecisionTarget.SIGNAL, signalId));
decision.handleInitiatedEvent(event);
}