/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
if ($this->scheduler !== null) {
$scheduler = $this->scheduler;
}
if ($scheduler === null) {
throw new \Exception("You must use a scheduler that support non-zero delay.");
}
$lastScheduledTime = 0;
$disposable = new CompositeDisposable();
$sourceDisposable = new EmptyDisposable();
$sourceDisposable = $observable->subscribe(new CallbackObserver(function ($x) use($scheduler, $observer, &$lastScheduledTime, $disposable) {
$schedDisp = $scheduler->schedule(function () use($x, $observer, &$schedDisp, $disposable) {
$observer->onNext($x);
$disposable->remove($schedDisp);
}, $this->delay);
$disposable->add($schedDisp);
}, function ($err) use($scheduler, $observer, &$lastScheduledTime, $disposable, &$sourceDisposable) {
$disposable->remove($sourceDisposable);
$sourceDisposable->dispose();
$observer->onError($err);
}, function () use($scheduler, $observer, $disposable, &$sourceDisposable) {
$disposable->remove($sourceDisposable);
$sourceDisposable->dispose();
$schedDisp = $scheduler->schedule(function () use($observer, &$schedDisp, $disposable) {
$observer->onCompleted();
$disposable->remove($schedDisp);
}, $this->delay);
$disposable->add($schedDisp);
}), $scheduler);
$disposable->add($sourceDisposable);
return $disposable;
}
public function scheduleRecursive($action)
{
if (!is_callable($action)) {
throw new InvalidArgumentException("Action should be a callable.");
}
$group = new CompositeDisposable();
$scheduler = $this;
$recursiveAction = null;
$recursiveAction = function () use($action, &$scheduler, &$group, &$recursiveAction) {
$action(function () use(&$scheduler, &$group, &$recursiveAction) {
$isAdded = false;
$isDone = true;
$d = $scheduler->schedule(function () use(&$isAdded, &$isDone, &$group, &$recursiveAction, &$d) {
if (is_callable($recursiveAction)) {
$recursiveAction();
} else {
throw new \Exception("recursiveAction is not callable");
}
if ($isAdded) {
$group->remove($d);
} else {
$isDone = true;
}
});
if (!$isDone) {
$group->add($d);
$isAdded = true;
}
});
};
$group->add($this->schedule($recursiveAction));
return $group;
}
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$singleDisposable = new SingleAssignmentDisposable();
$disposable = new CompositeDisposable();
$disposable->add($singleDisposable);
$callbackObserver = new CallbackObserver(function (Observable $x) use($disposable, $scheduler, $observer) {
if ($this->hasCurrent) {
return;
}
$this->hasCurrent = true;
$inner = new SingleAssignmentDisposable();
$disposable->add($inner);
$innerSub = $x->subscribe(new CallbackObserver([$observer, "onNext"], [$observer, "onError"], function () use($disposable, $inner, $observer) {
$disposable->remove($inner);
$this->hasCurrent = false;
if ($this->isStopped && $disposable->count() === 1) {
$observer->onCompleted();
}
}), $scheduler);
$inner->setDisposable($innerSub);
}, [$observer, 'onError'], function () use($disposable, $observer) {
$this->isStopped = true;
if (!$this->hasCurrent && $disposable->count() === 1) {
$observer->onCompleted();
}
});
$singleDisposable->setDisposable($observable->subscribe($callbackObserver, $scheduler));
return $disposable;
}
private function subscribeToResult(ObservableInterface $observable, SchedulerInterface $scheduler, ObserverInterface $observer, $outerIndex)
{
return $observable->subscribe(new CallbackObserver(function ($value) use($observer, $outerIndex) {
if (!$this->hasFirst) {
$this->hasFirst = true;
foreach ($this->subscriptions as $i => $subscription) {
if ($i !== $outerIndex) {
$subscription->dispose();
unset($this->subscriptions[$i]);
$this->innerSubscription->remove($subscription);
}
}
}
$observer->onNext($value);
}, [$observer, 'onError'], [$observer, 'onCompleted']), $scheduler);
}
/**
* @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)
{
$group = new CompositeDisposable();
$isStopped = false;
$sourceSubscription = new SingleAssignmentDisposable();
$group->add($sourceSubscription);
$callbackObserver = new CallbackObserver(function (ObservableInterface $innerSource) use(&$group, &$isStopped, $observer, &$scheduler) {
$innerSubscription = new SingleAssignmentDisposable();
$group->add($innerSubscription);
$innerSubscription->setDisposable($innerSource->subscribe(new CallbackObserver(function ($nextValue) use($observer) {
$observer->onNext($nextValue);
}, function ($error) use($observer) {
$observer->onError($error);
}, function () use(&$group, &$innerSubscription, &$isStopped, $observer) {
$group->remove($innerSubscription);
if ($isStopped && $group->count() === 1) {
$observer->onCompleted();
}
}), $scheduler));
}, [$observer, 'onError'], function () use(&$group, &$isStopped, $observer) {
$isStopped = true;
if ($group->count() === 1) {
$observer->onCompleted();
}
});
$subscription = $this->sources->subscribe($callbackObserver, $scheduler);
$sourceSubscription->setDisposable($subscription);
return $group;
}
/**
* @param ObservableInterface $observable
* @param ObserverInterface $observer
* @param SchedulerInterface|null $scheduler
* @return CompositeDisposable
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$subscription = $observable->subscribe(new CallbackObserver(function (ObservableInterface $innerObservable) use($observable, $observer, $scheduler) {
try {
if ($this->startBuffering === true) {
$this->buffer[] = $innerObservable;
return;
}
$onCompleted = function () use(&$subscribeToInner, $observer) {
$this->disposable->remove($this->innerDisposable);
$this->innerDisposable->dispose();
$this->innerCompleted = true;
$obs = array_shift($this->buffer);
if (empty($this->buffer)) {
$this->startBuffering = false;
}
if ($obs) {
$subscribeToInner($obs);
} elseif ($this->sourceCompleted === true) {
$observer->onCompleted();
}
};
$subscribeToInner = function ($observable) use($observer, $scheduler, &$onCompleted) {
$callbackObserver = new CallbackObserver([$observer, 'onNext'], [$observer, 'onError'], $onCompleted);
$this->innerCompleted = false;
$this->startBuffering = true;
$this->innerDisposable = $observable->subscribe($callbackObserver, $scheduler);
$this->disposable->add($this->innerDisposable);
};
$subscribeToInner($innerObservable);
} catch (\Exception $e) {
$observer->onError($e);
}
}, [$observer, 'onError'], function () use($observer) {
$this->sourceCompleted = true;
if ($this->innerCompleted === true) {
$observer->onCompleted();
}
}), $scheduler);
$this->disposable->add($subscription);
return $this->disposable;
}
/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$errors = new Subject();
$disposable = new CompositeDisposable();
$sourceDisposable = new EmptyDisposable();
$innerCompleted = false;
$sourceError = false;
try {
$when = call_user_func($this->notificationHandler, $errors->asObservable());
} catch (\Exception $e) {
$observer->onError($e);
return;
}
$subscribeToSource = function () use($observer, $disposable, $observable, &$sourceError, $errors, &$sourceDisposable, $scheduler, &$innerCompleted) {
$sourceError = false;
$sourceDisposable = $observable->subscribe(new CallbackObserver([$observer, 'onNext'], function ($err) use(&$sourceError, $errors, $disposable, &$sourceDisposable, &$innerCompleted, $observer) {
$sourceError = true;
$disposable->remove($sourceDisposable);
$sourceDisposable->dispose();
if ($innerCompleted) {
$observer->onCompleted();
return;
}
$errors->onNext($err);
}, [$observer, 'onCompleted']), $scheduler);
$disposable->add($sourceDisposable);
};
$whenDisposable = $when->subscribe(new CallbackObserver(function ($x) use($subscribeToSource, &$sourceError) {
if ($sourceError) {
$sourceError = false;
$subscribeToSource();
}
}, [$observer, 'onError'], function () use(&$innerCompleted, &$sourceError, $observer) {
$innerCompleted = true;
if ($sourceError) {
$observer->onCompleted();
}
}), $scheduler);
$disposable->add($whenDisposable);
$subscribeToSource();
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)
{
$map = [];
$groupDisposable = new CompositeDisposable();
$refCountDisposable = new RefCountDisposable($groupDisposable);
$keySelector = $this->keySelector;
$elementSelector = $this->elementSelector;
$durationSelector = $this->durationSelector;
$keySerializer = $this->keySerializer;
$sourceEmits = true;
$callbackObserver = new CallbackObserver(function ($value) use(&$map, $keySelector, $elementSelector, $durationSelector, $observer, $keySerializer, $groupDisposable, $refCountDisposable, $scheduler, &$sourceEmits) {
try {
$key = $keySelector($value);
$serializedKey = $keySerializer($key);
} catch (Exception $e) {
foreach ($map as $groupObserver) {
$groupObserver->onError($e);
}
$observer->onError($e);
return;
}
$fireNewMapEntry = false;
try {
if (!isset($map[$serializedKey])) {
$map[$serializedKey] = new Subject();
$fireNewMapEntry = true;
}
$writer = $map[$serializedKey];
} catch (Exception $e) {
foreach ($map as $groupObserver) {
$groupObserver->onError($e);
}
$observer->onError($e);
return;
}
if ($fireNewMapEntry) {
$group = new GroupedObservable($key, $writer, $refCountDisposable);
$durationGroup = new GroupedObservable($key, $writer);
try {
$duration = $durationSelector($durationGroup);
} catch (\Exception $e) {
foreach ($map as $groupObserver) {
$groupObserver->onError($e);
}
$observer->onError($e);
return;
}
if ($sourceEmits) {
$observer->onNext($group);
}
$md = new SingleAssignmentDisposable();
$groupDisposable->add($md);
$expire = function () use(&$map, &$md, $serializedKey, &$writer, &$groupDisposable) {
if (isset($map[$serializedKey])) {
unset($map[$serializedKey]);
$writer->onCompleted();
}
$groupDisposable->remove($md);
};
$callbackObserver = new CallbackObserver(function () {
}, function (Exception $exception) use($map, $observer) {
foreach ($map as $writer) {
$writer->onError($exception);
}
$observer->onError($exception);
}, function () use($expire) {
$expire();
});
$subscription = $duration->take(1)->subscribe($callbackObserver, $scheduler);
$md->setDisposable($subscription);
}
try {
$element = $elementSelector($value);
} catch (Exception $exception) {
foreach ($map as $writer) {
$writer->onError($exception);
}
$observer->onError($exception);
return;
}
$writer->onNext($element);
}, function (Exception $error) use(&$map, $observer) {
foreach ($map as $writer) {
$writer->onError($error);
}
$observer->onError($error);
}, function () use(&$map, $observer) {
foreach ($map as $writer) {
$writer->onCompleted();
}
$observer->onCompleted();
});
$subscription = $observable->subscribe($callbackObserver, $scheduler);
$groupDisposable->add($subscription);
$sourceDisposable = new CallbackDisposable(function () use($refCountDisposable, &$sourceEmits) {
$sourceEmits = false;
$refCountDisposable->dispose();
});
return $sourceDisposable;
}
public function groupByUntil($keySelector, $elementSelector = null, $durationSelector = null, $keySerializer = null)
{
$currentObservable = $this;
if (!is_callable($keySelector)) {
throw new InvalidArgumentException('Key selector should be a callable.');
}
if (null === $elementSelector) {
$elementSelector = function ($elem) {
return $elem;
};
} else {
if (!is_callable($elementSelector)) {
throw new InvalidArgumentException('Element selector should be a callable.');
}
}
if (null === $durationSelector) {
$durationSelector = function ($x) {
return $x;
};
} else {
if (!is_callable($durationSelector)) {
throw new InvalidArgumentException('Duration selector should be a callable.');
}
}
if (null === $keySerializer) {
$keySerializer = function ($x) {
return $x;
};
} else {
if (!is_callable($keySerializer)) {
throw new InvalidArgumentException('Key serializer should be a callable.');
}
}
return new AnonymousObservable(function ($observer, $scheduler) use($currentObservable, $keySelector, $elementSelector, $durationSelector, $keySerializer) {
$map = array();
$groupDisposable = new CompositeDisposable();
$refCountDisposable = new RefCountDisposable($groupDisposable);
$groupDisposable->add($currentObservable->subscribeCallback(function ($value) use(&$map, $keySelector, $elementSelector, $durationSelector, $observer, $keySerializer, $groupDisposable, $refCountDisposable) {
try {
$key = $keySelector($value);
$serializedKey = $keySerializer($key);
} catch (Exception $e) {
foreach ($map as $groupObserver) {
$groupObserver->onError($e);
}
$observer->onError($e);
return;
}
$fireNewMapEntry = false;
try {
if (!isset($map[$serializedKey])) {
$map[$serializedKey] = new Subject();
$fireNewMapEntry = true;
}
$writer = $map[$serializedKey];
} catch (Exception $e) {
foreach ($map as $groupObserver) {
$groupObserver->onError($e);
}
$observer->onError($e);
return;
}
if ($fireNewMapEntry) {
$group = new GroupedObservable($key, $writer, $refCountDisposable);
$durationGroup = new GroupedObservable($key, $writer);
try {
$duration = $durationSelector($durationGroup);
} catch (Exception $e) {
foreach ($map as $groupObserver) {
$groupObserver->onError($e);
}
$observer->onError($e);
return;
}
$observer->onNext($group);
$md = new SingleAssignmentDisposable();
$groupDisposable->add($md);
$expire = function () use(&$map, &$md, $serializedKey, &$writer, &$groupDisposable) {
if (isset($map[$serializedKey])) {
unset($map[$serializedKey]);
$writer->onCompleted();
}
$groupDisposable->remove($md);
};
$md->setDisposable($duration->take(1)->subscribeCallback(function () {
}, function (Exception $exception) use($map, $observer) {
foreach ($map as $writer) {
$writer->onError($exception);
}
$observer->onError($exception);
}, function () use($expire) {
$expire();
}));
}
try {
$element = $elementSelector($value);
} catch (Exception $exception) {
foreach ($map as $writer) {
$writer->onError($exception);
}
$observer->onError($exception);
return;
}
$writer->onNext($element);
}, function (Exception $error) use(&$map, $observer) {
foreach ($map as $writer) {
$writer->onError($error);
}
$observer->onError($error);
}, function () use(&$map, $observer) {
foreach ($map as $writer) {
$writer->onCompleted();
}
$observer->onCompleted();
}, $scheduler));
return $refCountDisposable;
});
}
/**
* @test
*/
public function removing_a_disposable_that_is_not_contained_has_no_effect()
{
$disposable = new CompositeDisposable(array());
$disposed1 = false;
$d1 = new CallbackDisposable(function () use(&$disposed1) {
$disposed1 = true;
});
$disposable->remove($d1);
$this->assertFalse($disposed1);
}
