private <W extends BoundedWindow> WindowingStrategy<?, W> getOutputWindowing(
WindowingStrategy<?, W> inputStrategy) {
if (inputStrategy.getWindowFn() instanceof InvalidWindows) {
@SuppressWarnings("unchecked")
InvalidWindows<W> invalidWindows = (InvalidWindows<W>) inputStrategy.getWindowFn();
return inputStrategy.withWindowFn(invalidWindows.getOriginalWindowFn());
} else {
return inputStrategy;
}
}
// Rawtype cast of OutputTimeFn cannot be eliminated with intermediate variable, as it is
// casting between wildcards
public WindowingStrategy<?, ?> getOutputStrategyInternal(
WindowingStrategy<?, ?> inputStrategy) {
WindowingStrategy<?, ?> result = inputStrategy;
if (windowFn != null) {
result = result.withWindowFn(windowFn);
}
if (trigger != null) {
result = result.withTrigger(trigger);
}
if (mode != null) {
result = result.withMode(mode);
}
if (allowedLateness != null) {
result = result.withAllowedLateness(allowedLateness);
}
if (closingBehavior != null) {
result = result.withClosingBehavior(closingBehavior);
}
if (outputTimeFn != null) {
result = result.withOutputTimeFn(outputTimeFn);
}
return result;
}