@Override
    public StreamEvent find(StateEvent matchingEvent, CompiledCondition compiledCondition,
                            StreamEventCloner streamEventCloner, WindowState state) {
        return ((Operator) compiledCondition).find(matchingEvent, state.expiredEventQueue, streamEventCloner);
    }
Implementation of {@link WindowProcessor} which represent a Window operating based on pre-defined length.
modules/siddhi-core/src/main/java/io/siddhi/core/query/processor/stream/window/TimeLengthWindowProcessor.java