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 and Description
static class	TfUtils.TfMethod

Field Summary

Fields

Modifier and Type	Field and Description
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 and Description
TfUtils()

Method Summary

Modifier and Type	Method and Description
Pattern	getDelim()
String	getDelimString()
String	getHeader()
String[]	getNAStrings()
long	getNumCols()
boolean	hasHeader()
static boolean	isNA(String[] NAstrings, String w) Function that checks if the given string is one of NA strings.

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

Constructor Detail

TfUtils

public TfUtils()

Method Detail

getHeader

public String getHeader()

hasHeader

public boolean hasHeader()

getDelimString

public String getDelimString()

getDelim

public Pattern getDelim()

getNAStrings

public String[] getNAStrings()

getNumCols

public long getNumCols()

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