gjesse

        /**
         * as long as new Observations are added to _lastSeen, we
         * will emit CLEARED events. If interval passes without any
         * observation, a stream of BREACH events will be emitted
         * until such time we see more data incoming
         **/
        
        PublishSubject<Observation> lastSeen = PublishSubject.create();
        
        // dump incoming events in to _lastSeen.onNext()

gjesse

    @Test
    public void testWindowClosingQuickly() {

        Observable<Integer> event = Observable.just(1, 2);

        Observable<Integer> closing = event.share().throttleLast(30, TimeUnit.MILLISECONDS);

        List<Integer> events = event
                .window(closing).flatMap(window -> window.toList()).toBlocking().first();

gjesse

[0]
[0, 1, 2]
[2, 3]
[3, 4]
[4, 5]
[5, 6, 7]
[7, 8, 9]
[10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99]