f59bf8a22f
https://www.mediawiki.org/wiki/Stable_interface_policy mandates the use of @internal. The semantics of @private was never properly defined. Bug: T247862 Change-Id: I4c7c6e7b5a80e86456965521f88d1dfa7d698f84
67 lines
1.7 KiB
PHP
67 lines
1.7 KiB
PHP
<?php
|
|
|
|
use Wikimedia\Rdbms\IDatabase;
|
|
|
|
/**
|
|
* Deferrable Update for closure/callback
|
|
*/
|
|
class MWCallableUpdate
|
|
implements DeferrableUpdate, DeferrableCallback, TransactionRoundAwareUpdate
|
|
{
|
|
/** @var callable|null Callback, or null if it was cancelled */
|
|
private $callback;
|
|
/** @var string Calling method name */
|
|
private $fname;
|
|
/** @var int One of the class TRX_ROUND_* constants */
|
|
private $trxRoundRequirement = self::TRX_ROUND_PRESENT;
|
|
|
|
/**
|
|
* @param callable $callback
|
|
* @param string $fname Calling method
|
|
* @param IDatabase|IDatabase[]|null $dbws Abort if any of the specified DB handles have
|
|
* a currently pending transaction which later gets rolled back [optional] (since 1.28)
|
|
*/
|
|
public function __construct( callable $callback, $fname = 'unknown', $dbws = [] ) {
|
|
$this->callback = $callback;
|
|
$this->fname = $fname;
|
|
|
|
$dbws = is_array( $dbws ) ? $dbws : [ $dbws ];
|
|
foreach ( $dbws as $dbw ) {
|
|
if ( $dbw && $dbw->trxLevel() ) {
|
|
$dbw->onTransactionResolution( [ $this, 'cancelOnRollback' ], $fname );
|
|
}
|
|
}
|
|
}
|
|
|
|
public function doUpdate() {
|
|
if ( $this->callback ) {
|
|
call_user_func( $this->callback );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal This method is public so that it works with onTransactionResolution()
|
|
* @param int $trigger
|
|
*/
|
|
public function cancelOnRollback( $trigger ) {
|
|
if ( $trigger === IDatabase::TRIGGER_ROLLBACK ) {
|
|
$this->callback = null;
|
|
}
|
|
}
|
|
|
|
public function getOrigin() {
|
|
return $this->fname;
|
|
}
|
|
|
|
/**
|
|
* @since 1.34
|
|
* @param int $mode One of the class TRX_ROUND_* constants
|
|
*/
|
|
public function setTransactionRoundRequirement( $mode ) {
|
|
$this->trxRoundRequirement = $mode;
|
|
}
|
|
|
|
public function getTransactionRoundRequirement() {
|
|
return $this->trxRoundRequirement;
|
|
}
|
|
}
|