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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_Amf
  * @subpackage Value
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Amf_Value_Messaging_AsyncMessage
  */
 // require_once 'Zend/Amf/Value/Messaging/AsyncMessage.php';
 
 /**
  * A message that represents an infrastructure command passed between
  * client and server. Subscribe/unsubscribe operations result in
  * CommandMessage transmissions, as do polling operations.
  *
  * Corresponds to flex.messaging.messages.CommandMessage
  *
  * Note: THESE VALUES MUST BE THE SAME ON CLIENT AND SERVER
  *
  * @package    Zend_Amf
  * @subpackage Value
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Amf_Value_Messaging_CommandMessage extends Zend_Amf_Value_Messaging_AsyncMessage
 {
     /**
      *  This operation is used to subscribe to a remote destination.
      */
     const SUBSCRIBE_OPERATION = 0;
 
     /**
      * This operation is used to unsubscribe from a remote destination.
      */
     const UNSUSBSCRIBE_OPERATION = 1;
 
     /**
      * This operation is used to poll a remote destination for pending,
      * undelivered messages.
      */
     const POLL_OPERATION = 2;
 
     /**
      * This operation is used by a remote destination to sync missed or cached messages
      * back to a client as a result of a client issued poll command.
      */
     const CLIENT_SYNC_OPERATION = 4;
 
     /**
      * This operation is used to test connectivity over the current channel to
      * the remote endpoint.
      */
     const CLIENT_PING_OPERATION = 5;
 
     /**
      * This operation is used to request a list of failover endpoint URIs
      * for the remote destination based on cluster membership.
      */
     const CLUSTER_REQUEST_OPERATION = 7;
 
     /**
      * This operation is used to send credentials to the endpoint so that
      * the user can be logged in over the current channel.
      * The credentials need to be Base64 encoded and stored in the <code>body</code>
      * of the message.
      */
     const LOGIN_OPERATION = 8;
 
     /**
      * This operation is used to log the user out of the current channel, and
      * will invalidate the server session if the channel is HTTP based.
      */
     const LOGOUT_OPERATION = 9;
 
     /**
      * This operation is used to indicate that the client's subscription to a
      * remote destination has been invalidated.
      */
     const SESSION_INVALIDATE_OPERATION = 10;
 
     /**
      * This operation is used by the MultiTopicConsumer to subscribe/unsubscribe
      * from multiple subtopics/selectors in the same message.
      */
     const MULTI_SUBSCRIBE_OPERATION = 11;
 
     /**
      * This operation is used to indicate that a channel has disconnected
      */
     const DISCONNECT_OPERATION = 12;
 
     /**
      * This is the default operation for new CommandMessage instances.
      */
     const UNKNOWN_OPERATION = 10000;
 
     /**
      * The operation to execute for messages of this type
      * @var int
      */
     public $operation = self::UNKNOWN_OPERATION;
 }