public Map<String,Object> read(final Schema schema,final Object primaryKey){
  final TPS tps=(TPS)read(schema,primaryKey,MIN_TIMESTAMP,CURRENT_ROW,null);
  if (tps == null) {
    return null;
  }
  return tps.asMap();
}

public Map < String , Object > read ( final Schema schema , final Object primaryKey ) { final TPS tps = ( TPS ) read ( schema , primaryKey , MIN_TIMESTAMP , CURRENT_ROW , null ) ; if ( tps == null ) { return null ; } return tps . asMap ( ) ; }
read the most recent logical row from the index .
