question: public Connection initConnectionRestoreFromBackup ( String backedUpDBLocation ) throws AdeException { final String connectionUrl = dbURL + ";rollForwardRecoveryFrom=" + backedUpDBLocation + File . separator + dbName ; mLogger . debug ( "Loading driver " + dbDriver ) ; try { Class . forName ( dbDriver ) ; } catch ( ClassNotFoundException e ) { throw new AdeInternalException ( "Loading driver failed" , e ) ; } mLogger . info ( "Connecting to database " + connectionUrl + " to restore from backup." ) ; Connection con ; try { if ( dbUserName == null || dbUserPassword == null ) { con = DriverManager . getConnection ( connectionUrl ) ; } else { con = DriverManager . getConnection ( connectionUrl , dbUserName , dbUserPassword ) ; } if ( con != null ) { try { con . commit ( ) ; con . close ( ) ; } catch ( SQLException e ) { mLogger . error ( "The restored connection could not be closed." , e ) ; throw new AdeExtUsageException ( "The connection could not be closed." , e ) ; } } initConnection ( ) ; } catch ( SQLException e ) { throw new AdeInternalException ( "Failed obtaining connection" , e ) ; } return con ; }
target:  Restores the primary DB from a given backed-up location. Then, reinitializes the connection.