public void injectElement(InputT value, Instant timestamp) throws Exception {
Collection<W> windows =
windowFn.assignWindows(
new TriggerTester.StubAssignContext<W>(
windowFn, value, timestamp, Arrays.asList(GlobalWindow.INSTANCE)));
logInteraction(
"Element %s at time %d put in windows %s", value, timestamp.getMillis(), windows);
runner.processElement(WindowedValue.of(value, timestamp, windows, PaneInfo.NO_FIRING));
}
protected <T> WindowedValue<T> makeWindowedValue(
T output, Instant timestamp, Collection<? extends BoundedWindow> windows, PaneInfo pane) {
final Instant inputTimestamp = timestamp;
final WindowFn windowFn = windowingStrategy.getWindowFn();
if (timestamp == null) {
timestamp = BoundedWindow.TIMESTAMP_MIN_VALUE;
}
if (windows == null) {
try {
windows =
windowFn.assignWindows(
windowFn.new AssignContext() {
@Override
public Object element() {
throw new UnsupportedOperationException(
"WindowFn attempted to access input element when none was available"); // TODO: 12/16/15 aljoscha's comment in slack
}
@Override
public Instant timestamp() {
if (inputTimestamp == null) {
throw new UnsupportedOperationException(
"WindowFn attempted to access input timestamp when none was available");
}
return inputTimestamp;
}
@Override
public Collection<? extends BoundedWindow> windows() {
throw new UnsupportedOperationException(
"WindowFn attempted to access input windows when none were available");
}
});
} catch (Exception e) {
Throwables.propagateIfInstanceOf(e, UserCodeException.class);
throw new UserCodeException(e);
}
}
return WindowedValue.of(output, timestamp, windows, pane);
}