me.xdrop.fuzzywuzzy

Class FuzzySearch

java.lang.Object

me.xdrop.fuzzywuzzy.FuzzySearch

public class FuzzySearch
extends Object

FuzzySearch facade class

Constructor Summary

Constructors

Constructor and Description
FuzzySearch()

Method Summary

Modifier and Type	Method and Description
static List<ExtractedResult>	extractAll(String query, Collection<String> choices) Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static List<ExtractedResult>	extractAll(String query, Collection<String> choices, Applicable func) Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static List<ExtractedResult>	extractAll(String query, Collection<String> choices, Applicable func, int cutoff) Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static List<ExtractedResult>	extractAll(String query, Collection<String> choices, int cutoff) Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static ExtractedResult	extractOne(String query, Collection<String> choices) Find the single best match above a score in a list of choices.
static ExtractedResult	extractOne(String query, Collection<String> choices, Applicable func) Find the single best match above a score in a list of choices.
static List<ExtractedResult>	extractSorted(String query, Collection<String> choices) Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static List<ExtractedResult>	extractSorted(String query, Collection<String> choices, Applicable func) Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static List<ExtractedResult>	extractSorted(String query, Collection<String> choices, Applicable func, int cutoff) Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static List<ExtractedResult>	extractSorted(String query, Collection<String> choices, int cutoff) Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar
static List<ExtractedResult>	extractTop(String query, Collection<String> choices, Applicable func, int limit) Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices
static List<ExtractedResult>	extractTop(String query, Collection<String> choices, Applicable func, int limit, int cutoff) Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices
static List<ExtractedResult>	extractTop(String query, Collection<String> choices, int limit) Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices
static List<ExtractedResult>	extractTop(String query, Collection<String> choices, int limit, int cutoff) Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices
static int	partialRatio(String s1, String s2) Inconsistent substrings lead to problems in matching.
static int	partialRatio(String s1, String s2, StringProcessor stringProcessor) Inconsistent substrings lead to problems in matching.
static int	ratio(String s1, String s2) Calculates a Levenshtein simple ratio between the strings.
static int	ratio(String s1, String s2, StringProcessor stringProcessor) Calculates a Levenshtein simple ratio between the strings.
static int	tokenSetPartialRatio(String s1, String s2) Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings.
static int	tokenSetPartialRatio(String s1, String s2, StringProcessor stringProcessor) Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings.
static int	tokenSetRatio(String s1, String s2) Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings.
static int	tokenSetRatio(String s1, String s2, StringProcessor stringProcessor) Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings.
static int	tokenSortPartialRatio(String s1, String s2) Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.
static int	tokenSortPartialRatio(String s1, String s2, StringProcessor stringProcessor) Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.
static int	tokenSortRatio(String s1, String s2) Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.
static int	tokenSortRatio(String s1, String s2, StringProcessor stringProcessor) Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.
static int	weightedRatio(String s1, String s2) Calculates a weighted ratio between the different algorithms for best results
static int	weightedRatio(String s1, String s2, StringProcessor stringProcessor) Calculates a weighted ratio between the different algorithms for best results

Methods inherited from class java.lang.Object

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

Constructor Detail

FuzzySearch

public FuzzySearch()

Method Detail

ratio

public static int ratio(String s1,
                        String s2)

Calculates a Levenshtein simple ratio between the strings. This is indicates a measure of similarity

Parameters:

s1 - Input string

s2 - Input string

Returns:

The simple ratio

ratio

public static int ratio(String s1,
                        String s2,
                        StringProcessor stringProcessor)

Calculates a Levenshtein simple ratio between the strings. This is indicates a measure of similarity

Parameters:

s1 - Input string

s2 - Input string

stringProcessor - Functor which transforms strings before calculating the ratio

Returns:

The simple ratio

partialRatio

public static int partialRatio(String s1,
                               String s2)

Inconsistent substrings lead to problems in matching. This ratio uses a heuristic called "best partial" for when two strings are of noticeably different lengths.

Parameters:

s1 - Input string

s2 - Input string

Returns:

The partial ratio

partialRatio

public static int partialRatio(String s1,
                               String s2,
                               StringProcessor stringProcessor)

Inconsistent substrings lead to problems in matching. This ratio uses a heuristic called "best partial" for when two strings are of noticeably different lengths.

Parameters:

s1 - Input string

s2 - Input string

stringProcessor - Functor which transforms strings before calculating the ratio

Returns:

The partial ratio

tokenSortPartialRatio

public static int tokenSortPartialRatio(String s1,
                                        String s2)

Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.

Parameters:

s1 - Input string

s2 - Input string

Returns:

The partial ratio of the strings

tokenSortPartialRatio

public static int tokenSortPartialRatio(String s1,
                                        String s2,
                                        StringProcessor stringProcessor)

Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.

Parameters:

s1 - Input string

s2 - Input string

stringProcessor - Functor which transforms strings before calculating the ratio

Returns:

The partial ratio of the strings

tokenSortRatio

public static int tokenSortRatio(String s1,
                                 String s2)

Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.

Parameters:

s1 - Input string

s2 - Input string

Returns:

The full ratio of the strings

tokenSortRatio

public static int tokenSortRatio(String s1,
                                 String s2,
                                 StringProcessor stringProcessor)

Find all alphanumeric tokens in the string and sort those tokens and then take ratio of resulting joined strings.

Parameters:

s1 - Input string

s2 - Input string

stringProcessor - Functor which transforms strings before calculating the ratio

Returns:

The full ratio of the strings

tokenSetRatio

public static int tokenSetRatio(String s1,
                                String s2)

Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings. A comparison string is then built up and is compared using the simple ratio algorithm. Useful for strings where words appear redundantly.

Parameters:

s1 - Input string

s2 - Input string

Returns:

The ratio of similarity

tokenSetRatio

public static int tokenSetRatio(String s1,
                                String s2,
                                StringProcessor stringProcessor)

Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings. A comparison string is then built up and is compared using the simple ratio algorithm. Useful for strings where words appear redundantly.

Parameters:

s1 - Input string

s2 - Input string

stringProcessor - Functor which transforms strings before calculating the ratio

Returns:

The ratio of similarity

tokenSetPartialRatio

public static int tokenSetPartialRatio(String s1,
                                       String s2)

Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings. A comparison string is then built up and is compared using the simple ratio algorithm. Useful for strings where words appear redundantly.

Parameters:

s1 - Input string

s2 - Input string

Returns:

The ratio of similarity

tokenSetPartialRatio

public static int tokenSetPartialRatio(String s1,
                                       String s2,
                                       StringProcessor stringProcessor)

Splits the strings into tokens and computes intersections and remainders between the tokens of the two strings. A comparison string is then built up and is compared using the simple ratio algorithm. Useful for strings where words appear redundantly.

Parameters:

s1 - Input string

s2 - Input string

stringProcessor - Functor which transforms strings before calculating the ratio

Returns:

The ratio of similarity

weightedRatio

public static int weightedRatio(String s1,
                                String s2)

Calculates a weighted ratio between the different algorithms for best results

Parameters:

s1 - Input string

s2 - Input string

Returns:

The ratio of similarity

weightedRatio

public static int weightedRatio(String s1,
                                String s2,
                                StringProcessor stringProcessor)

Calculates a weighted ratio between the different algorithms for best results

Parameters:

s1 - Input string

s2 - Input string

stringProcessor - Functor which transforms strings before calculating the ratio

Returns:

The ratio of similarity

extractTop

public static List<ExtractedResult> extractTop(String query,
                                               Collection<String> choices,
                                               Applicable func,
                                               int limit,
                                               int cutoff)

Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices

Parameters:

query - The query string

choices - A list of choices

func - The scoring function

Returns:

A list of the results

extractTop

public static List<ExtractedResult> extractTop(String query,
                                               Collection<String> choices,
                                               int limit,
                                               int cutoff)

Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices

Parameters:

query - The query string

choices - A list of choices

limit - Limits the number of results and speeds up the search (k-top heap sort) is used

cutoff - Rejects any entries with score below this

Returns:

A list of the results

extractTop

public static List<ExtractedResult> extractTop(String query,
                                               Collection<String> choices,
                                               Applicable func,
                                               int limit)

Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices

Parameters:

query - The query string

choices - A list of choices

func - The scoring function

limit - The number of results to return

Returns:

A list of the results

extractTop

public static List<ExtractedResult> extractTop(String query,
                                               Collection<String> choices,
                                               int limit)

Creates a sorted list of ExtractedResult which contain the top @param limit most similar choices

Parameters:

query - The query string

choices - A list of choices

limit - The number of results to return

Returns:

A list of the results

extractSorted

public static List<ExtractedResult> extractSorted(String query,
                                                  Collection<String> choices,
                                                  Applicable func)

Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

func - The scoring function

Returns:

A list of the results

extractSorted

public static List<ExtractedResult> extractSorted(String query,
                                                  Collection<String> choices,
                                                  Applicable func,
                                                  int cutoff)

Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

func - The scoring function

cutoff - Keep only scores above cutoff

Returns:

A list of the results

extractSorted

public static List<ExtractedResult> extractSorted(String query,
                                                  Collection<String> choices)

Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

Returns:

A list of the results

extractSorted

public static List<ExtractedResult> extractSorted(String query,
                                                  Collection<String> choices,
                                                  int cutoff)

Creates a sorted list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

cutoff - Keep only scores above cutoff

Returns:

A list of the results

extractAll

public static List<ExtractedResult> extractAll(String query,
                                               Collection<String> choices,
                                               Applicable func)

Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

func - The scoring function

Returns:

A list of the results

extractAll

public static List<ExtractedResult> extractAll(String query,
                                               Collection<String> choices,
                                               Applicable func,
                                               int cutoff)

Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

func - The scoring function

cutoff - Keep only scores above cutoff

Returns:

A list of the results

extractAll

public static List<ExtractedResult> extractAll(String query,
                                               Collection<String> choices)

Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

Returns:

A list of the results

extractAll

public static List<ExtractedResult> extractAll(String query,
                                               Collection<String> choices,
                                               int cutoff)

Creates a list of ExtractedResult which contain all the choices with their corresponding score where higher is more similar

Parameters:

query - The query string

choices - A list of choices

cutoff - Keep only scores above cutoff

Returns:

A list of the results

extractOne

public static ExtractedResult extractOne(String query,
                                         Collection<String> choices,
                                         Applicable func)

Find the single best match above a score in a list of choices.

Parameters:

query - A string to match against

choices - A list of choices

func - Scoring function

Returns:

An object containing the best match and it's score

extractOne

public static ExtractedResult extractOne(String query,
                                         Collection<String> choices)

Find the single best match above a score in a list of choices.

Parameters:

query - A string to match against

choices - A list of choices

Returns:

An object containing the best match and it's score