blob: 5b822af492b49ea0f00bd7004d7b89547de89991 (
plain) (
blame)
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
|
<?php
use Wikimedia\Rdbms\IDatabase;
/**
* Deferrable Update for closure/callback
*/
class MWCallableUpdate implements DeferrableUpdate, DeferrableCallback {
/** @var callable|null */
private $callback;
/** @var string */
private $fname;
/**
* @param callable $callback
* @param string $fname Calling method
* @param IDatabase|null $dbw Abort if this DB is rolled back [optional] (since 1.28)
*/
public function __construct( callable $callback, $fname = 'unknown', IDatabase $dbw = null ) {
$this->callback = $callback;
$this->fname = $fname;
if ( $dbw && $dbw->trxLevel() ) {
$dbw->onTransactionResolution( [ $this, 'cancelOnRollback' ], $fname );
}
}
public function doUpdate() {
if ( $this->callback ) {
call_user_func( $this->callback );
}
}
public function cancelOnRollback( $trigger ) {
if ( $trigger === IDatabase::TRIGGER_ROLLBACK ) {
$this->callback = null;
}
}
public function getOrigin() {
return $this->fname;
}
}
|
