/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$onNext = function ($innerSource) use($observer, $scheduler) {
$innerDisposable = new SingleAssignmentDisposable();
$id = ++$this->latest;
$this->hasLatest = true;
$this->innerSubscription->setDisposable($innerDisposable);
$innerCallbackObserver = new CallbackObserver(function ($x) use($id, $observer) {
if ($this->latest === $id) {
$observer->onNext($x);
}
}, function ($e) use($id, $observer) {
if ($this->latest === $id) {
$observer->onError($e);
}
}, function () use($id, $observer) {
if ($this->latest === $id) {
$this->hasLatest = false;
if ($this->isStopped) {
$observer->onCompleted();
}
}
});
$innerSubscription = $innerSource->subscribe($innerCallbackObserver, $scheduler);
$innerDisposable->setDisposable($innerSubscription);
};
$callbackObserver = new CallbackObserver($onNext, [$observer, 'onError'], function () use($observer) {
$this->isStopped = true;
if (!$this->hasLatest) {
$observer->onCompleted();
}
});
$subscription = $observable->subscribe($callbackObserver, $scheduler);
return new BinaryDisposable($subscription, $this->innerSubscription);
}
public function ensureActive()
{
$isOwner = false;
if (!$this->hasFaulted && count($this->queue) > 0) {
$isOwner = !$this->isAcquired;
$this->isAcquired = true;
}
if (!$isOwner) {
return;
}
$this->disposable->setDisposable($this->scheduler->scheduleRecursive(function ($recurse) {
$parent = $this;
if (count($parent->queue) > 0) {
$work = array_shift($parent->queue);
} else {
$parent->isAcquired = false;
return;
}
try {
if (!is_callable($work)) {
throw new Exception("work is not callable");
}
$res = $work();
} catch (Exception $e) {
$res = $e;
}
if ($res instanceof Exception) {
$parent->queue = [];
$parent->hasFaulted = true;
throw $res;
}
$recurse($parent);
}));
}
/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
if ($this->scheduler !== null) {
$scheduler = $this->scheduler;
}
$innerDisp = new SerialDisposable();
$disp = $observable->subscribe(new CallbackObserver(function ($x) use($innerDisp, $observer, $scheduler) {
$now = $scheduler->now();
if ($this->nextSend <= $now) {
$innerDisp->setDisposable(new EmptyDisposable());
$observer->onNext($x);
$this->nextSend = $now + $this->throttleTime - 1;
return;
}
$newDisp = Observable::just($x)->delay($this->nextSend - $now)->subscribe(new CallbackObserver(function ($x) use($observer, $scheduler) {
$observer->onNext($x);
$this->nextSend = $scheduler->now() + $this->throttleTime - 1;
if ($this->completed) {
$observer->onCompleted();
}
}, [$observer, 'onError']), $scheduler);
$innerDisp->setDisposable($newDisp);
}, function (\Exception $e) use($observer, $innerDisp) {
$innerDisp->dispose();
$observer->onError($e);
}, function () use($observer) {
$this->completed = true;
if ($this->nextSend === 0) {
$observer->onCompleted();
}
}), $scheduler);
return new CompositeDisposable([$disp, $innerDisp]);
}
/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$disposable = new SerialDisposable();
$singleDisposable = new SingleAssignmentDisposable();
$disposable->setDisposable($singleDisposable);
$singleDisposable->setDisposable($this->scheduler->schedule(function () use($disposable, $observer, $observable, $scheduler) {
$subscription = $observable->subscribe($observer, $scheduler);
$disposable->setDisposable(new ScheduledDisposable($this->scheduler, $subscription));
}));
return $disposable;
}
/**
* @param \Rx\ObservableInterface $observable
* @param \Rx\ObserverInterface $observer
* @param \Rx\SchedulerInterface $scheduler
* @return \Rx\DisposableInterface
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$disposable = new SerialDisposable();
$cbObserver = new CallbackObserver(function ($x) use($observer) {
$this->passThrough = true;
$observer->onNext($x);
}, [$observer, 'onError'], function () use($observer, $disposable, $scheduler) {
if (!$this->passThrough) {
$disposable->setDisposable($this->observable->subscribe($observer, $scheduler));
return;
}
$observer->onCompleted();
});
$subscription = $observable->subscribe($cbObserver, $scheduler);
$disposable->setDisposable($subscription);
return $disposable;
}
/**
* @test
*/
public function it_disposes_the_assigned_disposable_if_already_disposed()
{
$disposed1 = false;
$disposed2 = false;
$d1 = new CallbackDisposable(function () use(&$disposed1) {
$disposed1 = true;
});
$d2 = new CallbackDisposable(function () use(&$disposed2) {
$disposed2 = true;
});
$disposable = new SerialDisposable();
$disposable->setDisposable($d1);
$this->assertFalse($disposed1);
$disposable->dispose();
$disposable->setDisposable($d2);
$this->assertTrue($disposed2);
}
/**
* @param \Rx\ObservableInterface $observable
* @param \Rx\ObserverInterface $observer
* @param \Rx\SchedulerInterface $scheduler
* @return \Rx\DisposableInterface
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$disposable = new SerialDisposable();
$getNewObserver = function () use($observable, $observer, $disposable, &$getNewObserver, $scheduler) {
return new CallbackObserver([$observer, "onNext"], function ($error) use($observable, $observer, $disposable, &$getNewObserver, $scheduler) {
$this->retryCount--;
if ($this->retryCount === 0) {
$observer->onError($error);
return;
}
$subscription = $observable->subscribe($getNewObserver(), $scheduler);
$disposable->setDisposable($subscription);
}, function () use($observer) {
$observer->onCompleted();
$this->retryCount = 0;
});
};
$subscription = $observable->subscribe($getNewObserver(), $scheduler);
$disposable->setDisposable($subscription);
return new CallbackDisposable(function () use(&$disposable) {
$disposable->dispose();
});
}
/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$completeCount = 0;
$disposable = new SerialDisposable();
$subscribe = function () use(&$disposable, $observable, $observer, &$completeCount, $scheduler, &$subscribe) {
$disposable->setDisposable($observable->subscribe(new CallbackObserver([$observer, "onNext"], [$observer, "onError"], function () use(&$completeCount, $observable, $observer, &$disposable, &$subscribe, $scheduler) {
$completeCount++;
if ($this->repeatCount === -1 || $completeCount < $this->repeatCount) {
$subscribe();
}
if ($completeCount === $this->repeatCount) {
$observer->onCompleted();
return;
}
}), $scheduler));
};
$subscribe();
return new CallbackDisposable(function () use(&$disposable) {
$disposable->dispose();
});
}
/**
* @test
*/
public function map_with_index_dispose_inside_selector()
{
$xs = $this->createHotObservable([onNext(100, 4), onNext(200, 3), onNext(500, 2), onNext(600, 1)]);
$invoked = 0;
$results = $this->scheduler->createObserver();
$d = new SerialDisposable();
$d->setDisposable($xs->mapWithIndex(function ($index, $x) use(&$invoked, $d) {
$invoked++;
if ($this->scheduler->getClock() > 400) {
$d->dispose();
}
return $x + $index * 10;
})->subscribe($results));
$this->scheduler->scheduleAbsolute(TestScheduler::DISPOSED, function () use($d) {
$d->dispose();
});
$this->scheduler->start();
$this->assertMessages([onNext(100, 4), onNext(200, 13)], $results->getMessages());
$this->assertSubscriptions([subscribe(0, 500)], $xs->getSubscriptions());
$this->assertEquals(3, $invoked);
}
/**
* @inheritDoc
*/
public function schedulePeriodic(callable $action, $delay, $period)
{
$now = $this->now();
$nextTime = $now + $delay;
$disposable = new SerialDisposable();
$doActionAndReschedule = function () use(&$nextTime, $period, $disposable, $action, &$doActionAndReschedule) {
$action();
$nextTime = $nextTime + $period;
$delay = $nextTime - $this->now();
if ($delay < 0) {
$delay = 0;
}
$disposable->setDisposable($this->schedule($doActionAndReschedule, $delay));
};
$disposable->setDisposable($this->schedule($doActionAndReschedule, $delay));
return $disposable;
}
