includes/deferred/AtomicSectionUpdate.php

   1 <?php
   2
   3 /**
   4  * Deferrable Update for closure/callback updates via IDatabase::doAtomicSection()
   5  * @since 1.27
   6  */
   7 class AtomicSectionUpdate implements DeferrableUpdate {
   8         /** @var IDatabase */
   9         private $dbw;
  10         /** @var string */
  11         private $fname;
  12         /** @var Closure|callable */
  13         private $callback;
  14
  15         /**
  16          * @param IDatabase $dbw
  17          * @param string $fname Caller name (usually __METHOD__)
  18          * @param callable $callback
  19          * @throws InvalidArgumentException
  20          * @see IDatabase::doAtomicSection()
  21          */
  22         public function __construct( IDatabase $dbw, $fname, $callback ) {
  23                 $this->dbw = $dbw;
  24                 $this->fname = $fname;
  25                 if ( !is_callable( $callback ) ) {
  26                         throw new InvalidArgumentException( 'Not a valid callback/closure!' );
  27                 }
  28                 $this->callback = $callback;
  29         }
  30
  31         public function doUpdate() {
  32                 $this->dbw->doAtomicSection( $this->fname, $this->callback );
  33         }
  34 }