protected internal virtual void SendSignalToExecution(CommandContext commandContext, string signalName,
string executionId)
{
IExecutionManager executionManager = commandContext.ExecutionManager;
ExecutionEntity execution = executionManager.FindExecutionById(executionId);
EnsureUtil.EnsureNotNull("Cannot find execution with id '" + executionId + "'", "execution", execution);
IEventSubscriptionManager eventSubscriptionManager = commandContext.EventSubscriptionManager;
IList <EventSubscriptionEntity> signalEvents =
eventSubscriptionManager.FindSignalEventSubscriptionsByNameAndExecution(signalName, executionId);
EnsureUtil.EnsureNotEmpty("Execution '" + executionId + "' has not subscribed to a signal event with name '" + signalName + "'.", ListExt.ConvertToIlist(signalEvents));
CheckAuthorizationOfCatchSignals(commandContext, signalEvents);
NotifyExecutions(signalEvents);
}