wiki.techinc.nl/includes/deferred/AtomicSectionUpdate.php
Aaron Schulz ec63f72c79 Add AtomicSectionUpdate deferred update class
This makes it easier to have deferred atomic DB transactions

Bug: T122115
Change-Id: I67afe335f03cc21fdce78abdf3f31fa67a368419
2016-01-14 10:32:39 +00:00

34 lines
857 B
PHP

<?php
/**
* Deferrable Update for closure/callback updates via IDatabase::doAtomicSection()
* @since 1.27
*/
class AtomicSectionUpdate implements DeferrableUpdate {
/** @var IDatabase */
private $dbw;
/** @var string */
private $fname;
/** @var Closure|callable */
private $callback;
/**
* @param IDatabase $dbw
* @param string $fname Caller name (usually __METHOD__)
* @param callable $callback
* @throws InvalidArgumentException
* @see IDatabase::doAtomicSection()
*/
public function __construct( IDatabase $dbw, $fname, $callback ) {
$this->dbw = $dbw;
$this->fname = $fname;
if ( !is_callable( $callback ) ) {
throw new InvalidArgumentException( 'Not a valid callback/closure!' );
}
$this->callback = $callback;
}
public function doUpdate() {
$this->dbw->doAtomicSection( $this->fname, $this->callback );
}
}