includes/filerepo/ForeignDBViaLBRepo.php

   1 <?php
   2
   3 /**
   4  * A foreign repository with a MediaWiki database accessible via the configured LBFactory
   5  * @ingroup FileRepo
   6  */
   7 class ForeignDBViaLBRepo extends LocalRepo {
   8         var $wiki, $dbName, $tablePrefix;
   9         var $fileFactory = array( 'ForeignDBFile', 'newFromTitle' );
  10         var $fileFromRowFactory = array( 'ForeignDBFile', 'newFromRow' );
  11
  12         function __construct( $info ) {
  13                 parent::__construct( $info );
  14                 $this->wiki = $info['wiki'];
  15                 list( $this->dbName, $this->tablePrefix ) = wfSplitWikiID( $this->wiki );
  16                 $this->hasSharedCache = $info['hasSharedCache'];
  17         }
  18
  19         function getMasterDB() {
  20                 return wfGetDB( DB_MASTER, array(), $this->wiki );
  21         }
  22
  23         function getSlaveDB() {
  24                 return wfGetDB( DB_SLAVE, array(), $this->wiki );
  25         }
  26         function hasSharedCache() {
  27                 return $this->hasSharedCache;
  28         }
  29
  30         /**
  31          * Get a key on the primary cache for this repository.
  32          * Returns false if the repository's cache is not accessible at this site.
  33          * The parameters are the parts of the key, as for wfMemcKey().
  34          */
  35         function getSharedCacheKey( /*...*/ ) {
  36                 if ( $this->hasSharedCache() ) {
  37                         $args = func_get_args();
  38                         array_unshift( $args, $this->wiki );
  39                         return implode( ':', $args );
  40                 } else {
  41                         return false;
  42                 }
  43         }
  44
  45         function store( $srcPath, $dstZone, $dstRel, $flags = 0 ) {
  46                 throw new MWException( get_class($this) . ': write operations are not supported' );
  47         }
  48         function publish( $srcPath, $dstRel, $archiveRel, $flags = 0 ) {
  49                 throw new MWException( get_class($this) . ': write operations are not supported' );
  50         }
  51         function deleteBatch( $fileMap ) {
  52                 throw new MWException( get_class($this) . ': write operations are not supported' );
  53         }
  54 }