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<?php
/**
* A foreign repository with an accessible MediaWiki database
*
* @file
* @ingroup FileRepo
*/
/**
* A foreign repository with an accessible MediaWiki database
*
* @ingroup FileRepo
*/
class ForeignDBRepo extends LocalRepo {
# Settings
var $dbType, $dbServer, $dbUser, $dbPassword, $dbName, $dbFlags,
$tablePrefix, $hasSharedCache;
# Other stuff
var $dbConn;
var $fileFactory = array( 'ForeignDBFile', 'newFromTitle' );
var $fileFromRowFactory = array( 'ForeignDBFile', 'newFromRow' );
function __construct( $info ) {
parent::__construct( $info );
$this->dbType = $info['dbType'];
$this->dbServer = $info['dbServer'];
$this->dbUser = $info['dbUser'];
$this->dbPassword = $info['dbPassword'];
$this->dbName = $info['dbName'];
$this->dbFlags = $info['dbFlags'];
$this->tablePrefix = $info['tablePrefix'];
$this->hasSharedCache = $info['hasSharedCache'];
}
function getMasterDB() {
if ( !isset( $this->dbConn ) ) {
$this->dbConn = DatabaseBase::newFromType( $this->dbType,
array(
'host' => $this->dbServer,
'user' => $this->dbUser,
'password' => $this->dbPassword,
'dbname' => $this->dbName,
'flags' => $this->dbFlags,
'tableprefix' => $this->tablePrefix
)
);
}
return $this->dbConn;
}
function getSlaveDB() {
return $this->getMasterDB();
}
function hasSharedCache() {
return $this->hasSharedCache;
}
/**
* Get a key on the primary cache for this repository.
* Returns false if the repository's cache is not accessible at this site.
* The parameters are the parts of the key, as for wfMemcKey().
*/
function getSharedCacheKey( /*...*/ ) {
if ( $this->hasSharedCache() ) {
$args = func_get_args();
array_unshift( $args, $this->dbName, $this->tablePrefix );
return call_user_func_array( 'wfForeignMemcKey', $args );
} else {
return false;
}
}
function store( $srcPath, $dstZone, $dstRel, $flags = 0 ) {
throw new MWException( get_class($this) . ': write operations are not supported' );
}
function publish( $srcPath, $dstRel, $archiveRel, $flags = 0 ) {
throw new MWException( get_class($this) . ': write operations are not supported' );
}
function deleteBatch( $sourceDestPairs ) {
throw new MWException( get_class($this) . ': write operations are not supported' );
}
}
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