@Override public void loadTxMtd(JobConf job,FileSystem fs,Path tfMtdDir,TfUtils agents) throws IOException {
  if (fs.isDirectory(tfMtdDir)) {
    if (_colList != null)     for (int i=0; i < _colList.length; i++) {
      int colID=_colList[i];
      if (_mvMethodList[i] == MVMethod.GLOBAL_MEAN || _mvMethodList[i] == MVMethod.GLOBAL_MODE)       _replacementList[i]=readReplacement(colID,fs,tfMtdDir,agents);
 else       if (_mvMethodList[i] == MVMethod.CONSTANT) {
      }
 else       throw new RuntimeException("Invalid Missing Value Imputation methods: " + _mvMethodList[i]);
    }
    if (_colList != null)     for (int i=0; i < _colList.length; i++)     if (_isMVScaled.get(i))     processScalingFile(i,_colList,_meanList,_varList,fs,tfMtdDir,agents);
    if (_scnomvList != null)     for (int i=0; i < _scnomvList.length; i++)     processScalingFile(i,_scnomvList,_scnomvMeanList,_scnomvVarList,fs,tfMtdDir,agents);
  }
 else {
    fs.close();
    throw new RuntimeException("Path to recode maps must be a directory: " + tfMtdDir);
  }
}

@ Override public void loadTxMtd ( JobConf job , FileSystem fs , Path tfMtdDir , TfUtils agents ) throws IOException { if ( fs . isDirectory ( tfMtdDir ) ) { if ( _colList != null ) for ( int i = 0 ; i < _colList . length ; i ++ ) { int colID = _colList [ i ] ; if ( _mvMethodList [ i ] == MVMethod . GLOBAL_MEAN || _mvMethodList [ i ] == MVMethod . GLOBAL_MODE ) _replacementList [ i ] = readReplacement ( colID , fs , tfMtdDir , agents ) ; else if ( _mvMethodList [ i ] == MVMethod . CONSTANT ) { } else throw new RuntimeException ( "Invalid Missing Value Imputation methods: " + _mvMethodList [ i ] ) ; } if ( _colList != null ) for ( int i = 0 ; i < _colList . length ; i ++ ) if ( _isMVScaled . get ( i ) ) processScalingFile ( i , _colList , _meanList , _varList , fs , tfMtdDir , agents ) ; if ( _scnomvList != null ) for ( int i = 0 ; i < _scnomvList . length ; i ++ ) processScalingFile ( i , _scnomvList , _scnomvMeanList , _scnomvVarList , fs , tfMtdDir , agents ) ; } else { fs . close ( ) ; throw new RuntimeException ( "Path to recode maps must be a directory: " + tfMtdDir ) ; } }
method to load transform metadata for all attributes
