PendingPromise

class Firstred\PostNL\Util\PendingPromise

Promises/A+ implementation that avoids recursion when possible.

Implements:: Http\Promise\Promise

Summary

Methods

public __construct($waitFn, $cancelFn)
public then($onFulfilled, $onRejected)
public otherwise($onRejected)
public wait($unwrap)
public getState()
public cancel()
public resolve($value)
public reject($reason)
private settle($state, $value)
private static callHandler($index, $value, $handler)
private waitIfPending()
private invokeWaitFn()
private invokeWaitList()

Properties

private static property Firstred\PostNL\Util\PendingPromise::$state

private static property Firstred\PostNL\Util\PendingPromise::$result

private static property Firstred\PostNL\Util\PendingPromise::$cancelFn

private static property Firstred\PostNL\Util\PendingPromise::$waitFn

private static property Firstred\PostNL\Util\PendingPromise::$waitList

private static property Firstred\PostNL\Util\PendingPromise::$handlers

Methods

public Firstred\PostNL\Util\PendingPromise::__construct($waitFn=null, $cancelFn=null)

Parameters:

$waitFn (callable) fn that when invoked resolves the promise
$cancelFn (callable) fn that when invoked cancels the promise

public Firstred\PostNL\Util\PendingPromise::then($onFulfilled=null, $onRejected=null)

Parameters:

$onFulfilled (callable | null)
$onRejected (callable | null)

Returns:

\Firstred\PostNL\Util\PendingPromise | \Http\Promise\Promise

public Firstred\PostNL\Util\PendingPromise::otherwise($onRejected)

Parameters:

$onRejected (callable)

Returns:

\Firstred\PostNL\Util\PendingPromise | \Http\Promise\Promise

public Firstred\PostNL\Util\PendingPromise::wait($unwrap=true)

Parameters:

$unwrap (bool)

Returns:

mixed | void

Throws:

\Exception

public Firstred\PostNL\Util\PendingPromise::getState()

Returns:: string

public Firstred\PostNL\Util\PendingPromise::cancel()

Returns:: void

public Firstred\PostNL\Util\PendingPromise::resolve($value)

Parameters:

$value (mixed)

public Firstred\PostNL\Util\PendingPromise::reject($reason)

Parameters:

$reason (mixed)

private Firstred\PostNL\Util\PendingPromise::settle($state, $value)

Parameters:

$state (string)
$value (mixed)

private static Firstred\PostNL\Util\PendingPromise::callHandler($index, $value, $handler)

Call a stack of handlers using a specific callback index and value.

Parameters:

$index (int) 1 (resolve) or 2 (reject)
$value (mixed) value to pass to the callback
$handler (array) array of handler data (promise and callbacks)

Returns:

void returns the next group to resolve

private Firstred\PostNL\Util\PendingPromise::waitIfPending()

Throws:: \Exception
Returns:: void

private Firstred\PostNL\Util\PendingPromise::invokeWaitFn()

Throws:: \Exception

private Firstred\PostNL\Util\PendingPromise::invokeWaitList()

Throws:: \Exception