public Disposable schedulePeriodicallyDirect(
Runnable run, long initialDelay, long period, TimeUnit unit) {
ArrayCompositeResource<Disposable> acr = new ArrayCompositeResource<>(2, Disposable::dispose);
Worker w = createWorker();
acr.lazySet(0, w);
Runnable decoratedRun = RxJavaPlugins.onSchedule(run);
acr.setResource(
1,
w.schedulePeriodically(
() -> {
try {
decoratedRun.run();
} catch (final Throwable e) {
// make sure the worker is released if the run crashes
acr.dispose();
throw e;
}
},
initialDelay,
period,
unit));
return acr;
}
@Override
public void onError(Throwable t) {
if (done) {
RxJavaPlugins.onError(t);
return;
}
done = true;
try {
onError.accept(t);
} catch (Throwable e) {
t.addSuppressed(e);
}
actual.onError(t);
try {
onAfterTerminate.run();
} catch (Throwable e) {
RxJavaPlugins.onError(e);
}
}
public Disposable schedulePeriodically(
Runnable run, long initialDelay, long period, TimeUnit unit) {
MultipleAssignmentResource<Disposable> first =
new MultipleAssignmentResource<>(Disposable::dispose);
MultipleAssignmentResource<Disposable> mar =
new MultipleAssignmentResource<>(Disposable::dispose, first);
Runnable decoratedRun = RxJavaPlugins.onSchedule(run);
first.setResource(
schedule(
new Runnable() {
long lastNow = now(unit);
long startTime = lastNow + initialDelay;
long count;
@Override
public void run() {
decoratedRun.run();
long t = now(unit);
long c = ++count;
long targetTime = startTime + c * period;
long delay;
// if the current time is less than last time
// avoid scheduling the next run too far in the future
if (t < lastNow) {
delay = period;
// TODO not sure about this correction
startTime -= lastNow - c * period;
}
// if the current time is ahead of the target time,
// avoid scheduling a bunch of 0 delayed tasks
else if (t > targetTime) {
delay = period;
// TODO not sure about this correction
startTime += t - c * period;
} else {
delay = targetTime - t;
}
lastNow = t;
mar.setResource(schedule(this, delay, unit));
}
},
initialDelay,
unit));
return mar;
}
/**
* Schedules the given runnable with the given delay directly on a worker of this scheduler.
*
* <p>Override this method to provide an efficient implementation that, for example, doesn't have
* extra tracking structures for such one-shot executions.
*
* @param run
* @param delay
* @param unit
* @return
*/
public Disposable scheduleDirect(Runnable run, long delay, TimeUnit unit) {
Worker w = createWorker();
Runnable decoratedRun = RxJavaPlugins.onSchedule(run);
w.schedule(
() -> {
try {
decoratedRun.run();
} finally {
w.dispose();
}
},
delay,
unit);
return w;
}
@Override
public void onComplete() {
if (done) {
return;
}
done = true;
try {
onComplete.run();
} catch (Throwable e) {
onError(e);
return;
}
actual.onComplete();
try {
onAfterTerminate.run();
} catch (Throwable e) {
RxJavaPlugins.onError(e);
}
}