public function testConvertsBackAndForthMongoDatesWithoutLosingMillisecondPrecision()
{
$this->forAll(Generator\choose(0, 1500 * 1000 * 1000))->then(function ($milliseconds) {
$moment = new Moment($milliseconds);
$this->assertEquals($moment, MongoDate::toMoment(MongoDate::from($moment)));
});
}
public function export()
{
$exported = [];
if ($this->scheduledAt) {
$exported['scheduled_at'] = T\MongoDate::from($this->scheduledAt);
}
if ($this->startedAt) {
$exported['started_at'] = T\MongoDate::from($this->startedAt);
}
if ($this->endedAt) {
$exported['ended_at'] = T\MongoDate::from($this->endedAt);
}
if ($this->failedWith) {
$exported['class'] = get_class($this->failedWith);
$exported['message'] = $this->failedWith->getMessage();
$exported['trace'] = $this->traceOf($this->failedWith);
}
if ($this->completedWith) {
$exported['trace'] = $this->traceOf($this->completedWith);
}
if ($exported) {
return ['last_execution' => $exported];
} else {
return [];
}
}
public static function pickReadyJobsForWorkers(MongoCollection $collection, $worksOn, $workers)
{
$jobs = Onebip\array_pluck(iterator_to_array($collection->find(Worker::canWorkOnAnyJobs($worksOn) ? ['scheduled_at' => ['$lt' => T\MongoDate::now()], 'locked' => false] : ['scheduled_at' => ['$lt' => T\MongoDate::now()], 'locked' => false, 'group' => $worksOn], ['_id' => 1])->sort(['scheduled_at' => 1])->limit(count($workers))), '_id');
if (count($jobs) > 0) {
return [$worksOn, $workers, $jobs];
}
}
public static function tryToAssignJobsToWorkers(MongoCollection $collection, $jobs, $workers)
{
$assignment = array_combine(Onebip\array_map($workers, function ($id) {
return (string) $id;
}), $jobs);
$result = $collection->update($where = ['_id' => ['$in' => array_values($workers)]], $update = ['$set' => ['available' => false, 'assigned_to' => $assignment, 'assigned_since' => T\MongoDate::now()]], ['multiple' => true]);
return [$assignment, $result['n']];
}
public function recentHistory($group = null, T\Moment $at = null, array $query = [])
{
if ($at === null) {
$at = T\now();
}
$lastMinute = array_merge($query, ['last_execution.ended_at' => ['$gt' => T\MongoDate::from($at->before(T\minute(1))), '$lte' => T\MongoDate::from($at)]]);
if ($group !== null) {
$lastMinute['group'] = $group;
}
$document = $this->archived->aggregate($pipeline = [['$match' => $lastMinute], ['$project' => ['latency' => ['$subtract' => ['$last_execution.started_at', '$last_execution.scheduled_at']], 'execution_time' => ['$subtract' => ['$last_execution.ended_at', '$last_execution.started_at']]]], ['$group' => ['_id' => 1, 'throughput' => ['$sum' => 1], 'latency' => ['$avg' => '$latency'], 'execution_time' => ['$avg' => '$execution_time']]]]);
if (!$document['ok']) {
throw new RuntimeException("Pipeline failed: " . var_export($pipeline, true));
}
if (count($document['result']) === 0) {
$throughputPerMinute = 0.0;
$averageLatency = 0.0;
$averageExecutionTime = 0;
} else {
if (count($document['result']) === 1) {
$throughputPerMinute = (double) $document['result'][0]['throughput'];
$averageLatency = $document['result'][0]['latency'] / 1000;
$averageExecutionTime = $document['result'][0]['execution_time'] / 1000;
} else {
throw new RuntimeException("Result was not ok: " . var_export($document, true));
}
}
return ['throughput' => ['value' => $throughputPerMinute, 'value_per_second' => $throughputPerMinute / 60.0], 'latency' => ['average' => $averageLatency], 'execution_time' => ['average' => $averageExecutionTime]];
}
