|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* @license LGPLv3, https://opensource.org/licenses/LGPL-3.0 |
|
5
|
|
|
* @copyright Aimeos (aimeos.org), 2022 |
|
6
|
|
|
* @package MShop |
|
7
|
|
|
* @subpackage Common |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
|
|
11
|
|
|
namespace Aimeos\MShop\Common\Iterator; |
|
12
|
|
|
|
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* Default implementation for manager iterators |
|
16
|
|
|
* |
|
17
|
|
|
* @package MShop |
|
18
|
|
|
* @subpackage Common |
|
19
|
|
|
*/ |
|
20
|
|
|
class DB implements Iface |
|
21
|
|
|
{ |
|
22
|
|
|
private $conn; |
|
23
|
|
|
private $current; |
|
24
|
|
|
private $result; |
|
25
|
|
|
|
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* Initializes the object |
|
29
|
|
|
* |
|
30
|
|
|
* @param \Aimeos\Base\DB\Connection\Iface $conn Database connection |
|
31
|
|
|
* @param \Aimeos\Base\DB\Result\Iface $result Result set to iterate over |
|
32
|
|
|
*/ |
|
33
|
|
|
public function __construct( \Aimeos\Base\DB\Connection\Iface $conn, \Aimeos\Base\DB\Result\Iface $result ) |
|
34
|
|
|
{ |
|
35
|
|
|
$this->current = $result->fetch(); |
|
36
|
|
|
$this->result = $result; |
|
37
|
|
|
$this->conn = $conn; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* Terminates the iterator |
|
43
|
|
|
*/ |
|
44
|
|
|
public function close() : void |
|
45
|
|
|
{ |
|
46
|
|
|
$this->current = null; |
|
47
|
|
|
$this->result->finish(); |
|
48
|
|
|
$this->conn->close(); |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* Returns the current element |
|
54
|
|
|
* |
|
55
|
|
|
* @return array Associative list of key/value pairs of the current record |
|
56
|
|
|
*/ |
|
57
|
|
|
#[\ReturnTypeWillChange] |
|
58
|
|
|
public function current() |
|
59
|
|
|
{ |
|
60
|
|
|
return $this->current; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* Returns the key of the current element |
|
66
|
|
|
* |
|
67
|
|
|
* @return string ID of the current record |
|
68
|
|
|
*/ |
|
69
|
|
|
#[\ReturnTypeWillChange] |
|
70
|
|
|
public function key() |
|
71
|
|
|
{ |
|
72
|
|
|
return is_array( $this->current ) ? current( $this->current ) : null; |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
|
|
76
|
|
|
/** |
|
77
|
|
|
* Moves forward to next element |
|
78
|
|
|
*/ |
|
79
|
|
|
public function next() : void |
|
80
|
|
|
{ |
|
81
|
|
|
$this->current = $this->result->fetch(); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Rewinds the Iterator to the first element |
|
87
|
|
|
*/ |
|
88
|
|
|
public function rewind() : void |
|
89
|
|
|
{ |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* Checks if current position is valid |
|
95
|
|
|
* |
|
96
|
|
|
* @return bool TRUE if more records are available, FALSE if not |
|
97
|
|
|
*/ |
|
98
|
|
|
public function valid() : bool |
|
99
|
|
|
{ |
|
100
|
|
|
return is_array( $this->current ); |
|
101
|
|
|
} |
|
102
|
|
|
} |
|
103
|
|
|
|