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TfUtils (Apache SystemDS 3.4.0-SNAPSHOT API)

  • java.lang.Object
    • org.apache.sysds.runtime.transform.TfUtils
  • All Implemented Interfaces:
    Serializable
    public class TfUtils
extends Object
implements Serializable
    See Also:
    Serialized Form

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  TfUtils.TfMethod  

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static String EXT_SPACE  
      static String JSON_ATTRS  
      static String JSON_CONSTS  
      static String JSON_MTHD  
      static String JSON_NBINS  
      static String TXMTD_BIN_FILE_SUFFIX  
      static String TXMTD_COLNAMES  
      static String TXMTD_MV_FILE_SUFFIX  
      static String TXMTD_MVPREFIX  
      static String TXMTD_NDPREFIX  
      static String TXMTD_RCD_DISTINCT_SUFFIX  
      static String TXMTD_RCD_MAP_SUFFIX  
      static String TXMTD_SEP  

    • Constructor Summary

      Constructors 
      Constructor Description
      TfUtils()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static String desanitizeSpaces​(String token)  
      String[] getNAStrings()  
      static boolean isNA​(String[] NAstrings, String w)

      Function that checks if the given string is one of NA strings.
      static String sanitizeSpaces​(String token)  

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • TXMTD_MVPREFIX

        public static final String TXMTD_MVPREFIX
        See Also:
        Constant Field Values

      • TXMTD_NDPREFIX

        public static final String TXMTD_NDPREFIX
        See Also:
        Constant Field Values

      • TXMTD_SEP

        public static final String TXMTD_SEP
        See Also:
        Constant Field Values

      • TXMTD_COLNAMES

        public static final String TXMTD_COLNAMES
        See Also:
        Constant Field Values

      • TXMTD_RCD_MAP_SUFFIX

        public static final String TXMTD_RCD_MAP_SUFFIX
        See Also:
        Constant Field Values

      • TXMTD_RCD_DISTINCT_SUFFIX

        public static final String TXMTD_RCD_DISTINCT_SUFFIX
        See Also:
        Constant Field Values

      • TXMTD_BIN_FILE_SUFFIX

        public static final String TXMTD_BIN_FILE_SUFFIX
        See Also:
        Constant Field Values

      • TXMTD_MV_FILE_SUFFIX

        public static final String TXMTD_MV_FILE_SUFFIX
        See Also:
        Constant Field Values

      • JSON_ATTRS

        public static final String JSON_ATTRS
        See Also:
        Constant Field Values

      • JSON_MTHD

        public static final String JSON_MTHD
        See Also:
        Constant Field Values

      • JSON_CONSTS

        public static final String JSON_CONSTS
        See Also:
        Constant Field Values

      • JSON_NBINS

        public static final String JSON_NBINS
        See Also:
        Constant Field Values

      • EXT_SPACE

        public static final String EXT_SPACE
        See Also:
        Constant Field Values

    • Constructor Detail

      • TfUtils

        public TfUtils()

    • Method Detail

      • getNAStrings

        public String[] getNAStrings()

      • isNA

        public static boolean isNA​(String[] NAstrings,
                           String w)

        Function that checks if the given string is one of NA strings.

        Parameters:
        NAstrings - array of NA strings
        w - string to check
        Returns:
        true if w is a NAstring

      • sanitizeSpaces

        public static String sanitizeSpaces​(String token)

      • desanitizeSpaces

        public static String desanitizeSpaces​(String token)