Package org.apache.sysds.runtime.util

Class DMVUtils

java.lang.Object

org.apache.sysds.runtime.util.DMVUtils

public class DMVUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DMVUtils.LEVEL_ENUM

Field Summary

Fields

Modifier and Type	Field	Description
static char	ALPHA
static char	ARBITRARY_LEN
static char	DIGIT
static char	DOT
static char	LOWER
static char	MINUS
static char	OTHER
static char	SPACE
static char	UPPER

Constructor Summary

Constructors

Constructor	Description
DMVUtils()

Method Summary

Modifier and Type	Method	Description
static String	acceptNegativeNumbersAsDigits(String pattern)
static Map<String,Double>	calculatePatternsRatio(Map<String,Integer> patterns_hist, int nr_entries)
static String	encodeRawString(String input)
static String	findDominantPattern(Map<String,Double> dominant_patterns, double threshold)
static String	getFrequencyOfEachConsecutiveChar(String s)
static Map<String,Integer>	LevelsExecutor(Map<String,Integer> old_pattern_hist, DMVUtils.LEVEL_ENUM level)
static String	removeInnerCharacterInPattern(String pattern, char outter_char, char inner_char)
static String	removeUpperLowerCase(String pattern)
static FrameBlock	syntacticalPatternDiscovery(FrameBlock frame, double threshold, String disguised_value)

Methods inherited from class java.lang.Object

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

Field Detail

DIGIT

public static final char DIGIT

See Also:

Constant Field Values

LOWER

public static final char LOWER

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Constant Field Values

UPPER

public static final char UPPER

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Constant Field Values

ALPHA

public static final char ALPHA

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Constant Field Values

SPACE

public static final char SPACE

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Constant Field Values

DOT

public static final char DOT

See Also:

Constant Field Values

OTHER

public static final char OTHER

See Also:

Constant Field Values

ARBITRARY_LEN

public static final char ARBITRARY_LEN

See Also:

Constant Field Values

MINUS

public static final char MINUS

See Also:

Constant Field Values

Constructor Detail

DMVUtils

public DMVUtils()

Method Detail

syntacticalPatternDiscovery

public static FrameBlock syntacticalPatternDiscovery(FrameBlock frame,
                                                     double threshold,
                                                     String disguised_value)

calculatePatternsRatio

public static Map<String,Double> calculatePatternsRatio(Map<String,Integer> patterns_hist,
                                                              int nr_entries)

findDominantPattern

public static String findDominantPattern(Map<String,Double> dominant_patterns,
                                         double threshold)

LevelsExecutor

public static Map<String,Integer> LevelsExecutor(Map<String,Integer> old_pattern_hist,
                                                       DMVUtils.LEVEL_ENUM level)

acceptNegativeNumbersAsDigits

public static String acceptNegativeNumbersAsDigits(String pattern)

removeInnerCharacterInPattern

public static String removeInnerCharacterInPattern(String pattern,
                                                   char outter_char,
                                                   char inner_char)

removeUpperLowerCase

public static String removeUpperLowerCase(String pattern)

encodeRawString

public static String encodeRawString(String input)

getFrequencyOfEachConsecutiveChar

public static String getFrequencyOfEachConsecutiveChar(String s)