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Rename Stream::listen to Stream::onEmit

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This commit is contained in:
Niklas Keller 2017-03-21 18:24:06 +01:00
parent 4507c358a5
commit 2aa91a6c25
14 changed files with 47 additions and 47 deletions
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2
examples/streams/backpressure.php
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@ -14,7 +14,7 @@ Loop::run(function () {
$stream = $emitter->stream();
$stream->listen(function ($value) {
$stream->onEmit(function ($value) {
printf("Stream emitted %d\n", $value);
return new Pause(500); // Artificial back-pressure on stream.
});

2
lib/Failure.php
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@ -32,6 +32,6 @@ final class Failure implements Stream {
/**
* {@inheritdoc}
*/
public function listen(callable $onNext) {
public function onEmit(callable $onEmit) {
}
}

10
lib/Internal/Producer.php
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@ -26,14 +26,14 @@ trait Producer {
private $listeners = [];
/**
* @param callable $onNext
* @param callable $onEmit
*/
public function listen(callable $onNext) {
public function onEmit(callable $onEmit) {
if ($this->resolved) {
return;
}
$this->listeners[] = $onNext;
$this->listeners[] = $onEmit;
}
/**
@ -79,9 +79,9 @@ trait Producer {
$promises = [];
foreach ($this->listeners as $onNext) {
foreach ($this->listeners as $onEmit) {
try {
$result = $onNext($value);
$result = $onEmit($value);
if ($result instanceof ReactPromise) {
$result = adapt($result);
}

2
lib/Listener.php
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@ -48,7 +48,7 @@ class Listener implements Iterator {
$backPressure = &$this->backPressure;
$resolved = &$this->resolved;
$this->stream->listen(static function ($value) use (&$waiting, &$values, &$backPressure, &$resolved) {
$this->stream->onEmit(static function ($value) use (&$waiting, &$values, &$backPressure, &$resolved) {
$values[] = $value;
$backPressure[] = $pressure = new Deferred;

6
lib/Stream.php
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@ -12,10 +12,10 @@ interface Stream extends Promise {
* Registers a callback to be invoked each time value is emitted from the stream. If the function returns an
* promise, back-pressure is applied to the promise until the returned promise is resolved.
*
* Exceptions thrown from $onNext (or failures of promises returned from $onNext) will fail the returned
* Exceptions thrown from $onEmit (or failures of promises returned from $onNext) will fail the returned
* Subscriber with the thrown exception.
*
* @param callable $onNext Function invoked each time a value is emitted from the stream.
* @param callable $onEmit Function invoked each time a value is emitted from the stream.
*/
public function listen(callable $onNext);
public function onEmit(callable $onEmit);
}

2
lib/Success.php
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@ -41,6 +41,6 @@ final class Success implements Stream {
/**
* {@inheritdoc}
*/
public function listen(callable $onNext) {
public function onEmit(callable $onEmit) {
}
}

18
lib/functions.php
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@ -609,21 +609,21 @@ namespace Amp\Stream {
/**
* @param \Amp\Stream $stream
* @param callable (mixed $value): mixed $onNext
* @param callable (mixed $value): mixed|null $onComplete
* @param callable (mixed $value): mixed $onEmit
* @param callable (mixed $value): mixed|null $onResolve
*
* @return \Amp\Stream
*/
function map(Stream $stream, callable $onNext, callable $onComplete = null): Stream {
function map(Stream $stream, callable $onEmit, callable $onResolve = null): Stream {
$listener = new Listener($stream);
return new Producer(function (callable $emit) use ($listener, $onNext, $onComplete) {
return new Producer(function (callable $emit) use ($listener, $onEmit, $onResolve) {
while (yield $listener->advance()) {
yield $emit($onNext($listener->getCurrent()));
yield $emit($onEmit($listener->getCurrent()));
}
if ($onComplete === null) {
if ($onResolve === null) {
return $listener->getResult();
}
return $onComplete($listener->getResult());
return $onResolve($listener->getResult());
});
}
@ -660,7 +660,7 @@ namespace Amp\Stream {
if (!$stream instanceof Stream) {
throw new UnionTypeError([Stream::class], $stream);
}
$stream->listen(function ($value) use (&$pending, $emitter) {
$stream->onEmit(function ($value) use (&$pending, $emitter) {
if ($pending) {
return $emitter->emit($value);
}
@ -723,7 +723,7 @@ namespace Amp\Stream {
yield $emitter->emit($value);
};
$subscriptions[] = $stream->listen(function ($value) use ($generator) {
$subscriptions[] = $stream->onEmit(function ($value) use ($generator) {
return new Coroutine($generator($value));
});
$previous[] = $stream;

2
test/ConcatTest.php
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@ -50,7 +50,7 @@ class ConcatTest extends \PHPUnit\Framework\TestCase {
$stream = Stream\concat([Stream\fromIterable(\range(1, 5)), $producer, Stream\fromIterable(\range(7, 10))]);
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});

4
test/FilterTest.php
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@ -42,7 +42,7 @@ class FilterTest extends \PHPUnit\Framework\TestCase {
return $value & 1;
});
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});
@ -72,7 +72,7 @@ class FilterTest extends \PHPUnit\Framework\TestCase {
throw $exception;
});
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});

2
test/IntervalTest.php
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@ -33,7 +33,7 @@ class IntervalTest extends \PHPUnit\Framework\TestCase {
Loop::run(function () use (&$invoked, $count) {
$stream = Stream\interval(self::TIMEOUT, $count);
$stream->listen(function () use (&$invoked) {
$stream->onEmit(function () use (&$invoked) {
++$invoked;
return new Pause(self::TIMEOUT * 2);
});

12
test/ProducerTest.php
View File

@ -37,7 +37,7 @@ class ProducerTest extends TestCase {
$this->assertSame($emitted, $value);
};
$producer->listen($callback);
$producer->onEmit($callback);
$producer->onResolve(function ($exception, $result) use ($value) {
$this->assertSame($result, $value);
@ -66,7 +66,7 @@ class ProducerTest extends TestCase {
$this->assertSame($emitted, $value);
};
$producer->listen($callback);
$producer->onEmit($callback);
$deferred->resolve($value);
});
@ -108,7 +108,7 @@ class ProducerTest extends TestCase {
$time = microtime(true) - $time;
});
$producer->listen(function () {
$producer->onEmit(function () {
return new Pause(self::TIMEOUT);
});
});
@ -130,7 +130,7 @@ class ProducerTest extends TestCase {
$time = microtime(true) - $time;
});
$producer->listen(function () {
$producer->onEmit(function () {
return new ReactPromise(function ($resolve) {
Loop::delay(self::TIMEOUT, $resolve);
});
@ -153,7 +153,7 @@ class ProducerTest extends TestCase {
yield $emit(2);
});
$producer->listen(function () use ($exception) {
$producer->onEmit(function () use ($exception) {
throw $exception;
});
});
@ -192,7 +192,7 @@ class ProducerTest extends TestCase {
yield $producer;
$producer->listen(function () use (&$invoked) {
$producer->onEmit(function () use (&$invoked) {
$invoked = true;
});
});

18
test/ProducerTraitTest.php
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@ -35,7 +35,7 @@ class ProducerTraitTest extends TestCase {
$this->assertSame($emitted, $value);
};
$this->producer->listen($callback);
$this->producer->onEmit($callback);
$promise = $this->producer->emit($value);
$this->assertInstanceOf(Promise::class, $promise);
@ -55,7 +55,7 @@ class ProducerTraitTest extends TestCase {
$this->assertSame($emitted, $value);
};
$this->producer->listen($callback);
$this->producer->onEmit($callback);
$this->producer->emit($promise);
$this->assertTrue($invoked);
@ -73,7 +73,7 @@ class ProducerTraitTest extends TestCase {
$invoked = true;
};
$this->producer->listen($callback);
$this->producer->onEmit($callback);
$this->producer->emit($promise);
$this->assertFalse($invoked);
@ -100,7 +100,7 @@ class ProducerTraitTest extends TestCase {
$this->assertSame($emitted, $value);
};
$this->producer->listen($callback);
$this->producer->onEmit($callback);
$this->producer->emit($deferred->promise());
$this->assertFalse($invoked);
@ -123,7 +123,7 @@ class ProducerTraitTest extends TestCase {
$this->assertSame($emitted, $value);
};
$this->producer->listen($callback);
$this->producer->onEmit($callback);
$this->producer->emit($promise);
$this->assertTrue($invoked);
@ -141,7 +141,7 @@ class ProducerTraitTest extends TestCase {
$result = $emitted;
};
$this->producer->listen($callback);
$this->producer->onEmit($callback);
$this->producer->emit($deferred->promise());
$this->assertFalse($invoked);
@ -215,7 +215,7 @@ class ProducerTraitTest extends TestCase {
try {
Loop::run(function () use ($exception) {
$this->producer->listen(function () use ($exception) {
$this->producer->onEmit(function () use ($exception) {
throw $exception;
});
@ -231,7 +231,7 @@ class ProducerTraitTest extends TestCase {
$value = 1;
$promise = new Success($value);
$this->producer->listen(function () use ($promise) {
$this->producer->onEmit(function () use ($promise) {
return $promise;
});
@ -249,7 +249,7 @@ class ProducerTraitTest extends TestCase {
try {
Loop::run(function () use ($exception, $promise) {
$this->producer->listen(function () use ($promise) {
$this->producer->onEmit(function () use ($promise) {
return $promise;
});

8
test/StreamFromIterableTest.php
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@ -14,7 +14,7 @@ class StreamFromIterableTest extends \PHPUnit\Framework\TestCase {
Loop::run(function () use (&$results) {
$stream = Stream\fromIterable([new Success(1), new Success(2), new Success(3)]);
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});
});
@ -43,7 +43,7 @@ class StreamFromIterableTest extends \PHPUnit\Framework\TestCase {
Loop::run(function () use (&$results, &$reason, $exception) {
$stream = Stream\fromIterable([new Success(1), new Success(2), new Failure($exception), new Success(4)]);
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});
@ -63,7 +63,7 @@ class StreamFromIterableTest extends \PHPUnit\Framework\TestCase {
Loop::run(function () use (&$results) {
$stream = Stream\fromIterable([new Pause(30, 1), new Pause(10, 2), new Pause(20, 3), new Success(4)]);
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});
});
@ -82,7 +82,7 @@ class StreamFromIterableTest extends \PHPUnit\Framework\TestCase {
$stream = Stream\fromIterable($generator);
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});
});

6
test/StreamMapTest.php
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@ -46,7 +46,7 @@ class StreamMapTest extends \PHPUnit\Framework\TestCase {
return $value + 1;
});
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});
@ -77,7 +77,7 @@ class StreamMapTest extends \PHPUnit\Framework\TestCase {
throw $exception;
});
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});
@ -113,7 +113,7 @@ class StreamMapTest extends \PHPUnit\Framework\TestCase {
throw $exception;
});
$stream->listen(function ($value) use (&$results) {
$stream->onEmit(function ($value) use (&$results) {
$results[] = $value;
});