<?php
namespace React\Promise;
class FulfilledPromise implements ExtendedPromiseInterface, CancellablePromiseInterface
{
private $value;
public function __construct($value = null)
{
if ($value instanceof PromiseInterface) {
throw new \InvalidArgumentException('You cannot create React\Promise\FulfilledPromise with a promise. Use React\Promise\resolve($promiseOrValue) instead.');
}
$this->value = $value;
}
public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
{
try {
$value = $this->value;
if (null !== $onFulfilled) {
$value = $onFulfilled($value);
}
return resolve($value);
} catch (\Exception $exception) {
return new RejectedPromise($exception);
}
}
public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
{
if (null === $onFulfilled) {
return;
}
$result = $onFulfilled($this->value);
if ($result instanceof ExtendedPromiseInterface) {
$result->done();
}
}
public function otherwise(callable $onRejected)
{
return new FulfilledPromise($this->value);
}
public function always(callable $onFulfilledOrRejected)
{
return $this->then(function ($value) use ($onFulfilledOrRejected) {
return resolve($onFulfilledOrRejected())->then(function () use ($value) {
return $value;
});
});
}
public function progress(callable $onProgress)
{
return new FulfilledPromise($this->value);
}
public function cancel()
{
}
}