wikimedia / mediawiki

			? DatabaseDomain::newFromId( $conf['localDomain'] )

			: DatabaseDomain::newUnspecified();

		if ( isset( $conf['readOnlyReason'] ) && is_string( $conf['readOnlyReason'] ) ) {

			$this->readOnlyReason = $conf['readOnlyReason'];

		}

		$this->srvCache = isset( $conf['srvCache'] ) ? $conf['srvCache'] : new EmptyBagOStuff();

		$this->memCache = isset( $conf['memCache'] ) ? $conf['memCache'] : new EmptyBagOStuff();

		$this->mErrorConnection = false;

		$this->mAllowLagged = false;

		if ( isset( $params['readOnlyReason'] ) && is_string( $params['readOnlyReason'] ) ) {

			$this->readOnlyReason = $params['readOnlyReason'];

		}

		if ( isset( $params['loadMonitor'] ) ) {

			$this->loadMonitorConfig = $params['loadMonitor'];