--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Service/WindowsAzure/RetryPolicy/RetryN.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,92 @@
+<?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_Service_WindowsAzure
+ * @subpackage RetryPolicy
+ * @version    $Id: RetryN.php 20785 2010-01-31 09:43:03Z mikaelkael $
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/**
+ * @see Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract
+ */
+require_once 'Zend/Service/WindowsAzure/RetryPolicy/RetryPolicyAbstract.php';
+
+/**
+ * @see Zend_Service_WindowsAzure_RetryPolicy_Exception
+ */
+require_once 'Zend/Service/WindowsAzure/RetryPolicy/Exception.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Service_WindowsAzure
+ * @subpackage RetryPolicy
+ * @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_Service_WindowsAzure_RetryPolicy_RetryN extends Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract
+{
+    /**
+     * Number of retries
+     * 
+     * @var int
+     */
+    protected $_retryCount = 1;
+    
+    /**
+     * Interval between retries (in milliseconds)
+     * 
+     * @var int
+     */
+    protected $_retryInterval = 0;
+    
+    /**
+     * Constructor
+     * 
+     * @param int $count                    Number of retries
+     * @param int $intervalBetweenRetries   Interval between retries (in milliseconds)
+     */
+    public function __construct($count = 1, $intervalBetweenRetries = 0)
+    {
+        $this->_retryCount = $count;
+        $this->_retryInterval = $intervalBetweenRetries;
+    }
+    
+    /**
+     * Execute function under retry policy
+     * 
+     * @param string|array $function       Function to execute
+     * @param array        $parameters     Parameters for function call
+     * @return mixed
+     */
+    public function execute($function, $parameters = array())
+    {
+        $returnValue = null;
+        
+        for ($retriesLeft = $this->_retryCount; $retriesLeft >= 0; --$retriesLeft) {
+            try {
+                $returnValue = call_user_func_array($function, $parameters);
+                return $returnValue;
+            } catch (Exception $ex) {
+                if ($retriesLeft == 1) {
+                    throw new Zend_Service_WindowsAzure_RetryPolicy_Exception("Exceeded retry count of " . $this->_retryCount . ". " . $ex->getMessage());
+                }
+                    
+                usleep($this->_retryInterval * 1000);
+            }
+        }
+    }
+}
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