public function commits() : ObservableInterface
{
return Promise::toObservable($this->getTransport()->request('repos/' . $this->slug() . '/builds'))->flatMap(function ($response) {
return Observable::fromArray($response['commits']);
})->map(function ($build) {
return $this->getTransport()->getHydrator()->hydrate('Commit', $build);
});
}
/**
* @return ObservableInterface
*/
public function jobs() : ObservableInterface
{
return Promise::toObservable($this->getTransport()->request('builds/' . $this->id()))->flatMap(function ($response) {
return Observable::fromArray($response['jobs']);
})->map(function ($job) {
return $this->getTransport()->getHydrator()->hydrate('Job', $job);
});
}
/**
* @return ObservableInterface
*/
public function annotations() : ObservableInterface
{
return Promise::toObservable($this->getTransport()->request('jobs/' . $this->id() . '/annotations'))->flatMap(function ($response) {
return Observable::fromArray($response['annotations']);
})->map(function ($annotation) {
return $this->getTransport()->getHydrator()->hydrate('Annotation', $annotation);
});
}
/**
* @test
*/
public function fromArray_dispose()
{
$xs = Observable::fromArray(['foo', 'bar', 'baz']);
$results = $this->scheduler->startWithDispose(function () use($xs) {
return $xs;
}, 202);
$this->assertMessages([onNext(201, 'foo')], $results->getMessages());
}
/**
* @test
*/
public function await_multiple()
{
$array = [1, 2, 3];
$observable = Observable::fromArray($array);
$generator = \Rx\await($observable);
$result = [];
foreach ($generator as $item) {
$result[] = $item;
}
$this->assertEquals($array, $result);
$this->assertEquals(count($result), 3);
}
function findSavingsAccountObs($userId)
{
return Observable::just($userId)->skipWhile(function ($input) {
return empty($input);
})->map(function ($userId) {
return User::find($userId);
})->flatMap(function (User $user) {
return Observable::fromArray(Account::query('user_id', $user->getId()));
})->takeWhile(function (Account $account) {
return $account->getType() === 'SAVINGS';
});
}
/**
* @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)
{
$buffer = "";
return $observable->defaultIfEmpty(Observable::just(null))->concat(Observable::just($this->delimiter))->concatMap(function ($x) use(&$buffer) {
if ($x === null || $buffer === null) {
$buffer = null;
return Observable::emptyObservable();
}
$items = explode($this->delimiter, $buffer . $x);
$buffer = array_pop($items);
return Observable::fromArray($items);
})->subscribe($observer, $scheduler);
}
<?php require_once __DIR__ . '/../bootstrap.php'; $source = \Rx\Observable::fromArray([24, 42, 24, 24])->distinctUntilChanged(); $subscription = $source->subscribe($stdoutObserver); //Next value: 24 //Next value: 42 //Next value: 24 //Complete!
<?php require_once __DIR__ . "/../bootstrap.php"; /* Without comparer */ $source = \Rx\Observable::fromArray([1, 3, 5, 7, 9, 2, 4, 6, 8])->min(); $subscription = $source->subscribe($createStdoutObserver());
println('Example 3 - Just and Map');
\Rx\Observable::just(\Model\User::all())->map(function ($results) {
return count($results);
})->subscribe($stdoutObserver());
println('Example 4 - Get all accounts of type SAVING');
\Rx\Observable::fromArray(\Model\Account::all())->filter(function (Account $account) {
return $account->getType() === 'SAVINGS';
})->map(function (Account $savingsAccount) {
return $savingsAccount->getBalance();
})->subscribe($stdoutObserver());
println('Withdraw 1000 from Luis SAVINGS account');
$id = 1;
Observable::just($id)->map(function ($userId) {
return User::find($userId);
})->doOnNext(function (User $user) {
printf("Found user: %s \n", $user->getEmail());
})->flatMap(function (User $user) {
return Observable::fromArray(Account::query('user_id', $user->getId()));
})->takeWhile(function (Account $account) {
return $account->getType() === 'SAVINGS';
})->doOnNext(function (Account $account) {
printf("Found savings account. Current balance: %d \n", $account->getBalance());
})->map(function (Account $account) {
return $account->withdraw(1000)->save();
})->subscribe(new Observer\CallbackObserver(function ($account) {
printf("New account balance: %d \n", $account->getBalance());
}, function (Exception $ex) {
print 'Error: ' . $ex->getMessage();
}, function () {
print 'Completed!';
}));
<?php
require_once __DIR__ . '/../bootstrap.php';
$source = \Rx\Observable::fromArray([['id' => '42'], ['id' => '24'], ['id' => '42'], ['id' => '24']])->distinctKey(function ($x) {
return $x['id'];
})->map(function ($x) {
return $x['id'];
});
$subscription = $source->subscribe($stdoutObserver);
<?php
require_once __DIR__ . '/../bootstrap.php';
$source = \Rx\Observable::fromArray([['id' => '24'], ['id' => '42'], ['id' => '24'], ['id' => '24']])->distinctUntilKeyChanged(function ($x) {
return $x['id'];
})->map(function ($x) {
return $x['id'];
});
$subscription = $source->subscribe($stdoutObserver);
})->map(function ($tweet) {
return json_decode($tweet);
});
$endTwitterStream = $allTweets->filter(function ($tweet) {
return is_object($tweet);
})->filter(function ($tweet) {
return trim($tweet->text) == 'exit();';
})->doOnNext(function ($twitter) {
echo 'exit(); found, stopping...', PHP_EOL;
});
$usersTweets = $allTweets->filter(function ($tweet) {
return isset($tweet->user->screen_name);
});
$tweets = $usersTweets->takeUntil($endTwitterStream);
$urls = $tweets->flatMap(function ($tweet) {
return \Rx\Observable::fromArray($tweet->entities->urls);
});
$measurementsSubscription = $urls->filter(function ($url) {
return substr($url->expanded_url, 0, 36) == 'https://atlas.ripe.net/measurements/';
})->map(function ($url) {
return trim(substr($url->expanded_url, 36), '/');
})->flatMap(function ($id) {
return \Rx\React\Http::get("https://atlas.ripe.net/api/v1/measurement/{$id}/");
})->map(function ($data) {
return json_decode($data);
})->subscribeCallback(function ($json) {
echo 'Measurement #', $json->msm_id, ' "', $json->description, '" had ', $json->participant_count, ' nodes involved', PHP_EOL;
}, function (\Rx\React\HttpResponseException $e) {
echo "Error: ", $e->getMessage(), PHP_EOL;
}, function () {
echo "complete", PHP_EOL;
<?php
require_once __DIR__ . '/../bootstrap.php';
//With a result selector
$range = \Rx\Observable::fromArray(range(0, 4));
$source = $range->zip([$range->skip(1), $range->skip(2)], function ($s1, $s2, $s3) {
return $s1 . ':' . $s2 . ':' . $s3;
});
$observer = $createStdoutObserver();
$subscription = $source->subscribe($createStdoutObserver());
<?php
require_once __DIR__ . '/../bootstrap.php';
$count = 0;
$observable = \Rx\Observable::fromArray(range(1, 5))->flatMap(function ($x) use(&$count) {
if (++$count < 2) {
return new \Rx\Observable\ErrorObservable(new \Exception("Something"));
}
return new \Rx\Observable\ReturnObservable($x);
})->retry(3)->take(1);
$observable->subscribe($stdoutObserver);
<?php
use EventLoop\EventLoop;
use Rxnet\Observer\StdOutObserver;
use Rxnet\RabbitMq\RabbitMessage;
require __DIR__ . "/../../vendor/autoload.php";
$loop = EventLoop::getLoop();
$redis = new \Rxnet\Redis\Redis();
$redis->connect('localhost:6379')->doOnNext(function () {
echo "Redis is connected\n";
})->subscribeCallback(function () use($redis, $loop) {
// produce this array to my queue
\Rx\Observable::fromArray(['coucou', 'hi'])->flatMap(function ($data) use($redis) {
// add to set
return $redis->sAdd('my_set', $data);
})->doOnNext(function () {
echo "Data added\n";
})->flatMap(function () use($redis) {
return $redis->sRandMember('my_set', 1);
})->map(function ($data) {
$data = $data[0];
return $data;
})->subscribeCallback(function ($data) use($redis) {
echo "Read data {$data} add it to key\n";
return $redis->set($data, 1);
}, null, function () {
// And close process
EventLoop::getLoop()->stop();
});
});
$loop->run();
<?php
use EventLoop\EventLoop;
use Rx\Observable;
use Rx\Scheduler\EventLoopScheduler;
use Rxnet\Observer\StdOutObserver;
require __DIR__ . "/../../vendor/autoload.php";
$loop = EventLoop::getLoop();
/*
* If you have no statsd server, you can run the following command to listen for UDP traffic on port 8125 :
* $> socat - udp4-listen:8125,reuseaddr,fork
*/
$statsd = new \Rxnet\Statsd\Statsd("localhost", 8125);
$req1 = $statsd->gauge("database.connections", 42);
$req2 = $statsd->increment("database.query.count");
$req3 = $statsd->histogram("database.query.time", 0.42);
Observable::mergeAll(Observable::fromArray([$req1, $req2, $req3]))->subscribe(new StdOutObserver(), new EventLoopScheduler($loop));
$loop->run();
<?php require_once __DIR__ . '/../bootstrap.php'; $source = \Rx\Observable::fromArray([42, 24, 42, 24])->distinct(); $subscription = $source->subscribe($stdoutObserver);
<?php
require_once __DIR__ . '/../bootstrap.php';
$observable = \Rx\Observable::fromArray([21, 42, 21, 42, 21, 42]);
$observable->groupBy(function ($elem) {
if ($elem === 42) {
return 0;
}
return 1;
}, null, function ($key) {
return $key;
})->subscribeCallback(function ($groupedObserver) use($createStdoutObserver) {
$groupedObserver->subscribe($createStdoutObserver($groupedObserver->getKey() . ": "));
});
/**
* Squirt the metrics over UDP
*
* @param array $data Incoming Data
* @param float|1 $sampleRate the rate (0-1) for sampling.
* @param array|string $tags Key Value array of Tag => Value, or single tag as string
*
* @return Observable
**/
public function send($data, $sampleRate = 1, array $tags = null)
{
// sampling
$sampledData = array();
if ($sampleRate < 1) {
foreach ($data as $stat => $value) {
if (mt_rand() / mt_getrandmax() <= $sampleRate) {
$sampledData[] = [$stat, "{$value}|@{$sampleRate}"];
}
}
} else {
foreach ($data as $stat => $value) {
$sampledData[] = [$stat, $value];
}
}
if (empty($sampledData)) {
return Observable::emptyObservable();
}
$observableSequence = Observable::fromArray($sampledData)->map(function ($d) use($tags) {
$stat = $d[0];
$value = $d[1];
if ($tags !== null && is_array($tags) && count($tags) > 0) {
$value .= '|';
foreach ($tags as $tag_key => $tag_val) {
if (is_array($tag_val)) {
$flattenTagVal = array();
array_walk_recursive($array, function ($a) use(&$return) {
$flattenTagVal[] = $a;
});
$tag_val = implode("\n", $flattenTagVal);
}
$value .= '#' . $tag_key . ':' . $tag_val . ',';
}
$value = substr($value, 0, -1);
} elseif (isset($tags) && !empty($tags)) {
$value .= '|#' . $tags;
}
return $this->reportMetric("{$stat}:{$value}");
});
return Observable::mergeAll($observableSequence);
}
/**
* @return ObservableInterface
*/
public function broadcasts() : ObservableInterface
{
return Promise::toObservable($this->transport->request('broadcasts'))->flatMap(function ($response) {
return Observable::fromArray($response['broadcasts']);
})->map(function ($broadcast) {
return $this->getTransport()->getHydrator()->hydrate('Broadcast', $broadcast);
});
}
<?php
include __DIR__ . '/../../vendor/autoload.php';
$imageTypes = ["png", "jpeg", "webp"];
$images = \Rx\Observable::fromArray($imageTypes)->flatMap(function ($type) {
return \Rx\React\Http::get("http://httpbin.org/image/{$type}")->map(function ($image) use($type) {
return [$type => $image];
});
});
$images->subscribeCallback(function ($data) {
echo "Got Image: ", array_keys($data)[0], PHP_EOL;
}, function (\Exception $e) {
echo $e->getMessage(), PHP_EOL;
}, function () {
echo "completed", PHP_EOL;
});
<?php
use React\EventLoop\Factory;
use Rx\Observable;
use Rx\Scheduler\EventLoopScheduler;
require_once __DIR__ . '/../bootstrap.php';
$loop = Factory::create();
$scheduler = new EventLoopScheduler($loop);
$times = [['value' => 0, 'time' => 100], ['value' => 1, 'time' => 600], ['value' => 2, 'time' => 400], ['value' => 3, 'time' => 900], ['value' => 4, 'time' => 200]];
// Delay each item by time and project value;
$source = Observable::fromArray($times)->flatMap(function ($item) {
return Observable::just($item['value'])->delay($item['time']);
})->throttle(300);
$subscription = $source->subscribe($stdoutObserver, $scheduler);
$loop->run();
println('Example 1');
\Rx\Observable::fromArray([1, 2, 3, 4])->subscribe(new \Rx\Observer\CallbackObserver(function ($x) {
echo 'Next: ', $x, PHP_EOL;
}, function (Exception $ex) {
echo 'Error: ', $ex->getMessage(), PHP_EOL;
}, function () {
echo 'Completed', PHP_EOL;
}));
println('Example 2 Reduce Map Filter with Curry');
$isEven = function ($num) {
return $num % 2 === 0;
};
$add = function ($x, $y) {
return $x + $y;
};
$raiseTo = function ($power, $num) {
return pow($num, $power);
};
$computeSquare = P::curry2($raiseTo)(2);
\Rx\Observable::fromArray([1, 2, 3, 4])->filter($isEven)->map($computeSquare)->reduce($add, 0)->subscribe($stdoutObserver());
//-> 20
println('Example 3 - Map');
\Rx\Observable::fromArray([1, 2, 3, 4])->map(function ($num) {
return $num * $num;
})->subscribe(new \Rx\Observer\CallbackObserver(function ($x) {
echo 'Next: ', $x, PHP_EOL;
}, function (Exception $ex) {
echo 'Error: ', $ex->getMessage(), PHP_EOL;
}, function () {
echo 'Completed', PHP_EOL;
}));
/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
return Observable::fromArray($this->startArray)->concat($observable)->subscribe($observer, $scheduler);
}
<?php
require_once __DIR__ . "/../bootstrap.php";
/* With a comparer */
$comparer = function ($x, $y) {
if ($x > $y) {
return 1;
} elseif ($x < $y) {
return -1;
}
return 0;
};
$source = \Rx\Observable::fromArray([1, 3, 5, 7, 9, 2, 4, 6, 8])->max($comparer);
$subscription = $source->subscribe($createStdoutObserver());
<?php
require_once __DIR__ . '/../bootstrap.php';
//Without a seed
$source = \Rx\Observable::fromArray(range(1, 3));
$subscription = $source->reduce(function ($acc, $x) {
return $acc + $x;
})->subscribe($createStdoutObserver());
/**
* @test
*/
public function it_replays_with_no_scheduler()
{
$rs = new ReplaySubject();
$o = Observable::fromArray(range(1, 5));
$o->subscribe($rs);
$result = [];
$completed = false;
$rs->subscribeCallback(function ($x) use(&$result) {
$result[] = $x;
}, function ($e) {
$this->fail("Should not have failed");
}, function () use(&$result, &$completed) {
$completed = true;
$this->assertEquals($result, range(1, 5));
});
$this->assertTrue($completed);
}
<?php
use Rx\Observer\CallbackObserver;
require_once __DIR__ . '/../bootstrap.php';
$source = \Rx\Observable::fromArray([1, 2, 3, 4]);
$observer = $createStdoutObserver();
$subscription = $source->toArray()->subscribe(new CallbackObserver(function ($array) use($observer) {
$observer->onNext(json_encode($array));
}, [$observer, "onError"], [$observer, "onCompleted"]));
//Next value: [1,2,3,4]
//Complete!
public function testCountAfterRange()
{
$xs = Observable::fromArray(range(1, 10));
$results = $this->scheduler->startWithCreate(function () use($xs) {
return $xs->count();
});
$this->assertMessages([onNext(211, 10), onCompleted(211)], $results->getMessages());
}
