Package org.apache.sysds.runtime.transform

Class TfUtils

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 enum	TfUtils.TfMethod

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
TfUtils()

Method Summary

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 Details

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 Details

TfUtils

public TfUtils()

Method Details

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)