GraphSourceRunnable sourceRunnable = sourceRunnables.get(0);
setState(EPDataFlowState.RUNNING);
runCurrentThread = Thread.currentThread();
try {
sourceRunnable.runSync();
}
catch (InterruptedException ex) {
callOperatorClose();
setState(EPDataFlowState.CANCELLED);
throw new EPDataFlowCancellationException("Data flow '" + dataFlowName + "' execution was cancelled", dataFlowName);