| static String | HDFSTool. metaDataToString(Types.ValueType vt,
                Types.ValueType[] schema,
                Types.DataType dt,
                DataCharacteristics dc,
                Types.FileFormat fmt,
                FileFormatProperties formatProperties,
                PrivacyConstraint privacyConstraint) | 
| static MatrixBlock | DataConverter. readMatrixFromHDFS(String dir,
                  Types.FileFormat fmt,
                  long rlen,
                  long clen,
                  int blen,
                  long expectedNnz,
                  FileFormatProperties formatProperties) | 
| static void | DataConverter. writeMatrixToHDFS(MatrixBlock mat,
                 String dir,
                 Types.FileFormat fmt,
                 DataCharacteristics dc,
                 int replication,
                 FileFormatProperties formatProperties) | 
| static void | DataConverter. writeMatrixToHDFS(MatrixBlock mat,
                 String dir,
                 Types.FileFormat fmt,
                 DataCharacteristics dc,
                 int replication,
                 FileFormatProperties formatProperties,
                 boolean diag) | 
| static void | HDFSTool. writeMetaDataFile(String mtdfile,
                 Types.ValueType vt,
                 DataCharacteristics dc,
                 Types.FileFormat fmt,
                 FileFormatProperties formatProperties) | 
| static void | HDFSTool. writeMetaDataFile(String mtdfile,
                 Types.ValueType vt,
                 DataCharacteristics dc,
                 Types.FileFormat fmt,
                 FileFormatProperties formatProperties,
                 PrivacyConstraint privacyConstraint) | 
| static void | HDFSTool. writeMetaDataFile(String mtdfile,
                 Types.ValueType vt,
                 Types.ValueType[] schema,
                 Types.DataType dt,
                 DataCharacteristics dc,
                 Types.FileFormat fmt,
                 FileFormatProperties formatProperties) | 
| static void | HDFSTool. writeMetaDataFile(String mtdfile,
                 Types.ValueType vt,
                 Types.ValueType[] schema,
                 Types.DataType dt,
                 DataCharacteristics dc,
                 Types.FileFormat fmt,
                 FileFormatProperties formatProperties,
                 PrivacyConstraint privacyConstraint) |