344 lines
10 KiB
PHP
344 lines
10 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Queue
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* @subpackage Adapter
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Queue_Adapter_AdapterAbstract
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*/
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require_once 'Zend/Queue/Adapter/AdapterAbstract.php';
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/**
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* Zend Platform JobQueue adapter
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*
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* @category Zend
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* @package Zend_Queue
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* @subpackage Adapter
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Queue_Adapter_PlatformJobQueue extends Zend_Queue_Adapter_AdapterAbstract
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{
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/**
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* @var ZendApi_JobQueue
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*/
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protected $_zendQueue;
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/**
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* Constructor
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*
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* @param array|Zend_Config $options
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* @param Zend_Queue|null $queue
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* @return void
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*/
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public function __construct($options, Zend_Queue $queue = null)
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{
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parent::__construct($options, $queue);
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if (!extension_loaded("jobqueue_client")) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Platform Job Queue extension does not appear to be loaded');
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}
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if (! isset($this->_options['daemonOptions'])) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Job Queue host and password should be provided');
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}
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$options = $this->_options['daemonOptions'];
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if (!array_key_exists('host', $options)) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Platform Job Queue host should be provided');
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}
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if (!array_key_exists('password', $options)) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Platform Job Queue password should be provided');
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}
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$this->_zendQueue = new ZendApi_Queue($options['host']);
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if (!$this->_zendQueue) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Platform Job Queue connection failed');
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}
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if (!$this->_zendQueue->login($options['password'])) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Job Queue login failed');
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}
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if ($this->_queue) {
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$this->_queue->setMessageClass('Zend_Queue_Message_PlatformJob');
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}
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}
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/********************************************************************
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* Queue management functions
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********************************************************************/
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/**
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* Does a queue already exist?
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*
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* @param string $name
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* @return boolean
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* @throws Zend_Queue_Exception (not supported)
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*/
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public function isExists($name)
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{
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('isExists() is not supported in this adapter');
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}
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/**
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* Create a new queue
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*
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* @param string $name queue name
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* @param integer $timeout default visibility timeout
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* @return void
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* @throws Zend_Queue_Exception
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*/
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public function create($name, $timeout=null)
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{
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('create() is not supported in ' . get_class($this));
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}
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/**
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* Delete a queue and all of its messages
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*
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* @param string $name queue name
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* @return void
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* @throws Zend_Queue_Exception
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*/
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public function delete($name)
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{
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('delete() is not supported in ' . get_class($this));
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}
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/**
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* Get an array of all available queues
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*
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* @return void
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* @throws Zend_Queue_Exception
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*/
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public function getQueues()
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{
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('getQueues() is not supported in this adapter');
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}
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/**
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* Return the approximate number of messages in the queue
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*
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* @param Zend_Queue|null $queue
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* @return integer
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*/
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public function count(Zend_Queue $queue = null)
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{
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if ($queue !== null) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Queue parameter is not supported');
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}
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return $this->_zendQueue->getNumOfJobsInQueue();
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}
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/********************************************************************
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* Messsage management functions
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********************************************************************/
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/**
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* Send a message to the queue
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*
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* @param array | ZendAPI_job $message Message to send to the active queue
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* @param Zend_Queue $queue Not supported
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* @return Zend_Queue_Message
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* @throws Zend_Queue_Exception
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*/
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public function send($message, Zend_Queue $queue = null)
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{
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if ($queue !== null) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Queue parameter is not supported');
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}
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// This adapter can work only for this message type
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$classname = $this->_queue->getMessageClass();
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if (!class_exists($classname)) {
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass($classname);
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}
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if ($message instanceof ZendAPI_Job) {
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$message = array('data' => $message);
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}
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$zendApiJob = new $classname($message);
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// Unfortunately, the Platform JQ API is PHP4-style...
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$platformJob = $zendApiJob->getJob();
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$jobId = $this->_zendQueue->addJob($platformJob);
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if (!$jobId) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Failed to add a job to queue: '
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. $this->_zendQueue->getLastError());
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}
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$zendApiJob->setJobId($jobId);
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return $zendApiJob;
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}
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/**
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* Get messages in the queue
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*
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* @param integer $maxMessages Maximum number of messages to return
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* @param integer $timeout Ignored
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* @param Zend_Queue $queue Not supported
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* @throws Zend_Queue_Exception
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* @return ArrayIterator
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*/
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public function receive($maxMessages = null, $timeout = null, Zend_Queue $queue = null)
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{
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if ($maxMessages === null) {
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$maxMessages = 1;
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}
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if ($queue !== null) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Queue shouldn\'t be set');
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}
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$jobs = $this->_zendQueue->getJobsInQueue(null, $maxMessages, true);
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$classname = $this->_queue->getMessageClass();
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if (!class_exists($classname)) {
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass($classname);
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}
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$options = array(
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'queue' => $this->_queue,
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'data' => $jobs,
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'messageClass' => $this->_queue->getMessageClass(),
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);
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$classname = $this->_queue->getMessageSetClass();
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if (!class_exists($classname)) {
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass($classname);
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}
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return new $classname($options);
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}
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/**
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* Delete a message from the queue
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*
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* Returns true if the message is deleted, false if the deletion is
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* unsuccessful.
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*
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* @param Zend_Queue_Message $message
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* @return boolean
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* @throws Zend_Queue_Exception
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*/
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public function deleteMessage(Zend_Queue_Message $message)
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{
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if (get_class($message) != $this->_queue->getMessageClass()) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception(
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'Failed to remove job from the queue; only messages of type '
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. 'Zend_Queue_Message_PlatformJob may be used'
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);
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}
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return $this->_zendQueue->removeJob($message->getJobId());
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}
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public function isJobIdExist($id)
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{
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return (($this->_zendQueue->getJob($id))? true : false);
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}
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/********************************************************************
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* Supporting functions
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********************************************************************/
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/**
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* Return a list of queue capabilities functions
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*
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* $array['function name'] = true or false
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* true is supported, false is not supported.
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*
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* @param string $name
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* @return array
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*/
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public function getCapabilities()
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{
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return array(
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'create' => false,
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'delete' => false,
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'getQueues' => false,
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'isExists' => false,
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'count' => true,
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'send' => true,
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'receive' => true,
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'deleteMessage' => true,
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);
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}
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/********************************************************************
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* Functions that are not part of the Zend_Queue_Adapter_AdapterAbstract
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********************************************************************/
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/**
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* Serialize
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*
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* @return array
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*/
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public function __sleep()
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{
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return array('_options');
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}
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/**
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* Unserialize
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*
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* @return void
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*/
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public function __wakeup()
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{
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$options = $this->_options['daemonOptions'];
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$this->_zendQueue = new ZendApi_Queue($options['host']);
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if (!$this->_zendQueue) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Platform Job Queue connection failed');
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}
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if (!$this->_zendQueue->login($options['password'])) {
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require_once 'Zend/Queue/Exception.php';
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throw new Zend_Queue_Exception('Job Queue login failed');
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}
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}
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}
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