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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Queue
* @subpackage Stomp
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Client.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* The Stomp client interacts with a Stomp server.
*
* @category Zend
* @package Zend_Queue
* @subpackage Stomp
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Queue_Stomp_Client
{
/**
* Array of $client Zend_Queue_Stomp_Client_Interface
*
* @var array
*/
protected $_connection;
/**
* Add a server to connections
*
* @param string scheme
* @param string host
* @param integer port
*/
public function __construct(
$scheme = null, $host = null, $port = null,
$connectionClass = 'Zend_Queue_Stomp_Client_Connection',
$frameClass = 'Zend_Queue_Stomp_Frame'
) {
if (($scheme !== null)
&& ($host !== null)
&& ($port !== null)
) {
$this->addConnection($scheme, $host, $port, $connectionClass);
$this->getConnection()->setFrameClass($frameClass);
}
}
/**
* Shutdown
*
* @return void
*/
public function __destruct()
{
if ($this->getConnection()) {
$this->getConnection()->close(true);
}
}
/**
* Add a connection to this client.
*
* Attempts to add this class to the client. Returns a boolean value
* indicating success of operation.
*
* You cannot add more than 1 connection to the client at this time.
*
* @param string $scheme ['tcp', 'udp']
* @param string host
* @param integer port
* @param string class - create a connection with this class; class must support Zend_Queue_Stomp_Client_ConnectionInterface
* @return boolean
*/
public function addConnection($scheme, $host, $port, $class = 'Zend_Queue_Stomp_Client_Connection')
{
if (!class_exists($class)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($class);
}
$connection = new $class();
if ($connection->open($scheme, $host, $port)) {
$this->setConnection($connection);
return true;
}
$connection->close();
return false;
}
/**
* Set client connection
*
* @param Zend_Queue_Stomp_Client_ConnectionInterface $connection
* @return void
*/
public function setConnection(Zend_Queue_Stomp_Client_ConnectionInterface $connection)
{
$this->_connection = $connection;
return $this;
}
/**
* Get client connection
*
* @return Zend_Queue_Stomp_Client_ConnectionInterface|null
*/
public function getConnection()
{
return $this->_connection;
}
/**
* Send a stomp frame
*
* Returns true if the frame was successfully sent.
*
* @param Zend_Queue_Stomp_FrameInterface $frame
* @return boolean
*/
public function send(Zend_Queue_Stomp_FrameInterface $frame)
{
$this->getConnection()->write($frame);
return $this;
}
/**
* Receive a frame
*
* Returns a frame or false if none were to be read.
*
* @return Zend_Queue_Stomp_FrameInterface|boolean
*/
public function receive()
{
return $this->getConnection()->read();
}
/**
* canRead()
*
* @return boolean
*/
public function canRead()
{
return $this->getConnection()->canRead();
}
/**
* creates a frame class
*
* @return Zend_Queue_Stomp_FrameInterface
*/
public function createFrame()
{
return $this->getConnection()->createFrame();
}
}
|
