web/Zend/Queue/Message.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Queue/Message.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,230 @@
+<?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 Message
+ * @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: Message.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Class for managing queue messages
+ *
+ * @category   Zend
+ * @package    Zend_Queue
+ * @subpackage Message
+ * @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_Message
+{
+    /**
+     * The data for the queue message
+     *
+     * @var array
+     */
+    protected $_data = array();
+
+     /**
+     * Connected is true if we have a reference to a live
+     * Zend_Queue_Adapter_Abstract object.
+     * This is false after the Message has been deserialized.
+     *
+     * @var boolean
+     */
+    protected $_connected = true;
+
+    /**
+     * Zend_Queue parent class or instance
+     *
+     * @var Zend_Queue
+     */
+    protected $_queue = null;
+
+    /**
+     * Name of the class of the Zend_Queue
+     *
+     * @var string
+     */
+    protected $_queueClass = null;
+
+    /**
+     * Constructor
+     *
+     * @param  array $options
+     * @throws Zend_Queue_Exception
+     */
+    public function __construct(array $options = array())
+    {
+        if (isset($options['queue'])) {
+            if ($options['queue'] instanceof Zend_Queue) {
+                $this->_queue      = $options['queue'];
+                $this->_queueClass = get_class($this->_queue);
+            } else {
+                $result = gettype($options['queue']);
+                if ($result === 'object') {
+                    $result = get_class($options['queue']);
+                }
+
+                require_once 'Zend/Queue/Exception.php';
+                throw new Zend_Queue_Exception(
+                    '$options[\'queue\'] = '
+                    . $result
+                    . ': must be instanceof Zend_Queue'
+                );
+            }
+        }
+        if (isset($options['data'])) {
+            if (!is_array($options['data'])) {
+                require_once 'Zend/Queue/Exception.php';
+                throw new Zend_Queue_Exception('Data must be an array');
+            }
+            $this->_data = $options['data'];
+        }
+    }
+
+    /**
+     * Retrieve message field value
+     *
+     * @param  string $key The user-specified key name.
+     * @return string      The corresponding key value.
+     * @throws Zend_Queue_Exception if the $key is not a column in the message.
+     */
+    public function __get($key)
+    {
+        if (!array_key_exists($key, $this->_data)) {
+            require_once 'Zend/Queue/Exception.php';
+            throw new Zend_Queue_Exception("Specified field \"$key\" is not in the message");
+        }
+        return $this->_data[$key];
+    }
+
+    /**
+     * Set message field value
+     *
+     * @param  string $key   The message key.
+     * @param  mixed  $value The value for the property.
+     * @return void
+     * @throws Zend_Queue_Exception
+     */
+    public function __set($key, $value)
+    {
+        if (!array_key_exists($key, $this->_data)) {
+            require_once 'Zend/Queue/Exception.php';
+            throw new Zend_Queue_Exception("Specified field \"$key\" is not in the message");
+        }
+        $this->_data[$key] = $value;
+    }
+
+    /**
+     * Test existence of message field
+     *
+     * @param  string  $key The column key.
+     * @return boolean
+     */
+    public function __isset($key)
+    {
+        return array_key_exists($key, $this->_data);
+    }
+
+    /*
+     * Serialize
+     */
+
+    /**
+     * Store queue and data in serialized object
+     *
+     * @return array
+     */
+    public function __sleep()
+    {
+        return array('_queueClass', '_data');
+    }
+
+    /**
+     * Setup to do on wakeup.
+     * A de-serialized Message should not be assumed to have access to a live
+     * queue connection, so set _connected = false.
+     *
+     * @return void
+     */
+    public function __wakeup()
+    {
+        $this->_connected = false;
+    }
+
+     /**
+     * Returns the queue object, or null if this is disconnected message
+     *
+     * @return Zend_Queue|null
+     */
+    public function getQueue()
+    {
+        return $this->_queue;
+    }
+
+    /**
+     * Set the queue object, to re-establish a live connection
+     * to the queue for a Message that has been de-serialized.
+     *
+     * @param  Zend_Queue $queue
+     * @return boolean
+     */
+    public function setQueue(Zend_Queue $queue)
+    {
+        $queueClass        = get_class($queue);
+        $this->_queue      = $queue;
+        $this->_queueClass = $queueClass;
+        $this->_connected  = true;
+        return true;
+    }
+
+    /**
+     * Query the class name of the Queue object for which this
+     * Message was created.
+     *
+     * @return string
+     */
+    public function getQueueClass()
+    {
+        return $this->_queueClass;
+    }
+
+    /**
+     * Returns the column/value data as an array.
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        return $this->_data;
+    }
+
+    /**
+     * Sets all data in the row from an array.
+     *
+     * @param  array $data
+     * @return Zend_Queue_Message Provides a fluent interface
+     */
+    public function setFromArray(array $data)
+    {
+        foreach ($data as $columnName => $value) {
+            $this->$columnName = $value;
+        }
+
+        return $this;
+    }
+}