<?php
class Operation
{
protected $routine;
protected $promise;
public function __construct(\Closure $routine, $promise)
{
$this->routine = $routine;
$this->promise = $promise;
}
public function run()
{
$routine = $this->routine;
$routine($this->promise);
}
public function getPromise()
{
return $this->promise;
}
}
class Promise
{
protected $successClosure;
protected $failClosure;
public function fulfill(...$args)
{
$closure = $this->successClosure;
$closure(...$args);
}
public function reject(...$args)
{
$closure = $this->failClosure;
$closure(...$args);
}
public function then(\Closure $success, \Closure $fail)
{
$this->successClosure = $success;
$this->failClosure = $fail;
}
}
class Queue
{
protected $queue = [];
public function append(Operation $operation) {
$this->queue[] = $operation;
}
public function getOperationGenerator()
{
foreach ($this->queue as $operation) {
yield $operation;
}
}
}
class QueueHandler
{
protected $queues = [];
public function addQueue($handle, Queue $queue)
{
$this->queues[$handle] = $queue;
}
public function getQueue($handle, $defualt=null)
{
return isset($this->queues[$handle]) ? $this->queues[$handle] : $default;
}
protected function getOperationGenerator()
{
$queues = [];
foreach ($this->queues as $queue) {
$queues[] = $queue->getOperationGenerator();
}
foreach ($queues as $queue) {
yield from $queue;
}
}
protected function getRunGenerator()
{
$operation_generator = $this->getOperationGenerator();
foreach ($operation_generator as $operation) {
yield $operation;
}
}
public function run() {
$generator = $this->getRunGenerator();
foreach ($generator as $operation) {
$operation->run();
}
}
}
function addOperation(\Closure $routine, Queue $queue) {
$promise = new Promise();
$operation = new Operation($routine, $promise);
$queue->append($operation);
return $promise;
}
$queue_handler = new QueueHandler();
$queue_handler->addQueue('main', new Queue());
$queue_handler->addQueue('secondary', new Queue());
$runtime = function(Promise $promise) use ($queue_handler) {
echo "first";
$request_promise = addOperation(function() {
echo 'last';
}, $queue_handler->getQueue('secondary'));
echo "second";
};
addOperation($runtime, $queue_handler->getQueue('main'));
$queue_handler->run();
- Output for git.master, git.master_jit, rfc.property-hooks
- firstsecondlast
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