raspisms/models/Queue.php

40 lines
1.2 KiB
PHP

<?php
/*
* This file is part of RaspiSMS.
*
* (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
*
* This source file is subject to the GPL-3.0 license that is bundled
* with this source code in the file LICENSE.
*/
namespace models;
/**
*
*/
interface Queue
{
/**
* A FIFO Queue to exchange messages, the backend mechanism can be whatever we want, but the queue take message, tag for routing is optionnal
* @param string $id : A unique identifier for the queue
*/
public function __construct($id);
/**
* Add a message to the queue
*
* @param string $message : The message to add to the queue, must be a string, for complex data just use json
* @param ?string $tag : A tag to associate to the message for routing purposes, if not set will add to general queue
*/
public function push($message, ?string $tag = null);
/**
* Read the older message in the queue (non-blocking)
* @param ?string $tag : A tag to associate to the message for routing purposes, if not set will read from general queue
* @return ?string $message : The oldest message or null if no message found, can be anything
*/
public function read(?string $tag = null);
}