RetryN.php
3.87 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
<?php
/**
* Copyright (c) 2009 - 2010, RealDolmen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of RealDolmen nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RealDolmen ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL RealDolmen BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Microsoft
* @package Microsoft_WindowsAzure
* @subpackage RetryPolicy
* @version $Id: RetryN.php 45259 2010-04-16 12:13:55Z unknown $
* @copyright Copyright (c) 2009 - 2010, RealDolmen (http://www.realdolmen.com)
* @license http://phpazure.codeplex.com/license
*/
if (!defined('W3TC')) {
die();
}
/**
* @see Microsoft_WindowsAzure_RetryPolicy_RetryPolicyAbstract
*/
require_once 'Microsoft/WindowsAzure/RetryPolicy/RetryPolicyAbstract.php';
/**
* @see Microsoft_WindowsAzure_RetryPolicy_Exception
*/
require_once 'Microsoft/WindowsAzure/RetryPolicy/Exception.php';
/**
* @category Microsoft
* @package Microsoft_WindowsAzure
* @subpackage RetryPolicy
* @copyright Copyright (c) 2009 - 2010, RealDolmen (http://www.realdolmen.com)
* @license http://phpazure.codeplex.com/license
*/
class Microsoft_WindowsAzure_RetryPolicy_RetryN extends Microsoft_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 Microsoft_WindowsAzure_RetryPolicy_Exception("Exceeded retry count of " . $this->_retryCount . ". " . $ex->getMessage());
}
usleep($this->_retryInterval * 1000);
}
}
}
}