includes/deferred/TransactionRoundDefiningUpdate.php

   1 <?php
   2
   3 /**
   4  * Deferrable update that must run outside of any explicit LBFactory transaction round
   5  *
   6  * @since 1.31
   7  */
   8 class TransactionRoundDefiningUpdate
   9         implements DeferrableUpdate, DeferrableCallback, TransactionRoundAwareUpdate
  10 {
  11         /** @var callable|null */
  12         private $callback;
  13         /** @var string */
  14         private $fname;
  15
  16         /**
  17          * @param callable $callback
  18          * @param string $fname Calling method
  19          */
  20         public function __construct( callable $callback, $fname = 'unknown' ) {
  21                 $this->callback = $callback;
  22                 $this->fname = $fname;
  23         }
  24
  25         public function doUpdate() {
  26                 call_user_func( $this->callback );
  27         }
  28
  29         public function getOrigin() {
  30                 return $this->fname;
  31         }
  32
  33         /**
  34          * @return int One of the class TRX_ROUND_* constants
  35          * @since 1.34
  36          */
  37         final public function getTransactionRoundRequirement() {
  38                 return self::TRX_ROUND_ABSENT;
  39         }
  40 }