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A

add(CharSequence, CharSequence) - Method in class org.egothor.stemmer.MultiTrie

Add an element to this structure consisting of the given key and patch command.

add(CharSequence, CharSequence) - Method in class org.egothor.stemmer.MultiTrie2

Add an element to this structure consisting of the given key and patch command.

apply(StringBuilder, CharSequence) - Static method in class org.egothor.stemmer.Diff

Apply the given patch string diff to the given string dest.

C

Compile - Class in org.egothor.stemmer

The Compile class is used to compile a stemmer table.

create(TokenStream) - Method in class org.apache.lucene.analysis.stempel.StempelPolishStemFilterFactory

createComponents(String) - Method in class org.apache.lucene.analysis.pl.PolishAnalyzer

Creates a Analyzer.TokenStreamComponents which tokenizes all the text in the provided Reader.

D

decompose(CharSequence) - Method in class org.egothor.stemmer.MultiTrie2

Break the given patch command into its constituent pieces.

DEFAULT_MIN_LENGTH - Static variable in class org.apache.lucene.analysis.stempel.StempelFilter

Minimum length of input words to be processed.

DEFAULT_STEMMER_FILE - Static variable in class org.apache.lucene.analysis.pl.PolishAnalyzer

File containing default Polish stemmer table.

DEFAULT_STOPWORD_FILE - Static variable in class org.apache.lucene.analysis.pl.PolishAnalyzer

File containing default Polish stopwords.

Diff - Class in org.egothor.stemmer

The Diff object generates a patch string.

Diff() - Constructor for class org.egothor.stemmer.Diff

Constructor for the Diff object.

Diff(int, int, int, int) - Constructor for class org.egothor.stemmer.Diff

Constructor for the Diff object

DiffIt - Class in org.egothor.stemmer

The DiffIt class is a means generate patch commands from an already prepared stemmer table.

E

eat(Row, int[]) - Method in class org.egothor.stemmer.Gener

Test whether the given Row of Cells in a Trie should be included in an optimized Trie.

exec(String, String) - Method in class org.egothor.stemmer.Diff

Construct a patch string that transforms a to b.

G

Gener - Class in org.egothor.stemmer

The Gener object helps in the discarding of nodes which break the reduction effort and defend the structure against large reductions.

Gener() - Constructor for class org.egothor.stemmer.Gener

Constructor for the Gener object.

getAll(CharSequence) - Method in class org.egothor.stemmer.Trie

Gets the all attribute of the Trie object

getCells() - Method in class org.egothor.stemmer.Row

Return the number of cells in use.

getCells() - Method in class org.egothor.stemmer.Trie

Return the number of cells in this Trie object.

getCellsPnt() - Method in class org.egothor.stemmer.Row

Return the number of references (how many transitions) to other rows.

getCellsPnt() - Method in class org.egothor.stemmer.Trie

Gets the cellsPnt attribute of the Trie object

getCellsVal() - Method in class org.egothor.stemmer.Row

Return the number of patch commands saved in this Row.

getCellsVal() - Method in class org.egothor.stemmer.Trie

Gets the cellsVal attribute of the Trie object

getCmd(char) - Method in class org.egothor.stemmer.Row

Return the command in the Cell associated with the given character.

getCnt(char) - Method in class org.egothor.stemmer.Row

Return the number of patch commands were in the Cell associated with the given character before the Trie containing this Row was reduced.

getDefaultStopSet() - Static method in class org.apache.lucene.analysis.pl.PolishAnalyzer

Returns an unmodifiable instance of the default stop words set.

getDefaultTable() - Static method in class org.apache.lucene.analysis.pl.PolishAnalyzer

Returns an unmodifiable instance of the default stemmer table.

getFully(CharSequence) - Method in class org.egothor.stemmer.MultiTrie

Return the element that is stored in a cell associated with the given key.

getFully(CharSequence) - Method in class org.egothor.stemmer.MultiTrie2

Return the element that is stored in a cell associated with the given key.

getFully(CharSequence) - Method in class org.egothor.stemmer.Trie

Return the element that is stored in a cell associated with the given key.

getLastOnPath(CharSequence) - Method in class org.egothor.stemmer.MultiTrie

Return the element that is stored as last on a path belonging to the given key.

getLastOnPath(CharSequence) - Method in class org.egothor.stemmer.MultiTrie2

Return the element that is stored as last on a path belonging to the given key.

getLastOnPath(CharSequence) - Method in class org.egothor.stemmer.Trie

Return the element that is stored as last on a path associated with the given key.

getRef(char) - Method in class org.egothor.stemmer.Row

Return the reference to the next Row in the Cell associated with the given character.

I

incrementToken() - Method in class org.apache.lucene.analysis.stempel.StempelFilter

Returns the next input Token, after being stemmed

L

Lift - Class in org.egothor.stemmer

The Lift class is a data structure that is a variation of a Patricia trie.

Lift(boolean) - Constructor for class org.egothor.stemmer.Lift

Constructor for the Lift object.

liftUp(Row, List<Row>) - Method in class org.egothor.stemmer.Lift

Reduce the trie using Lift-Up reduction.

load(InputStream) - Static method in class org.apache.lucene.analysis.stempel.StempelStemmer

Load a stemmer table from an inputstream.

M

main(String[]) - Static method in class org.egothor.stemmer.Compile

Entry point to the Compile application.

main(String[]) - Static method in class org.egothor.stemmer.DiffIt

Entry point to the DiffIt application.

merge(Cell, Cell) - Method in class org.egothor.stemmer.Optimizer

Merge the given Cells and return the resulting Cell.

merge(Cell, Cell) - Method in class org.egothor.stemmer.Optimizer2

Merge the given Cells and return the resulting Cell.

merge(Row, Row) - Method in class org.egothor.stemmer.Optimizer

Merge the given rows and return the resulting Row.

MultiTrie - Class in org.egothor.stemmer

The MultiTrie is a Trie of Tries.

MultiTrie(boolean) - Constructor for class org.egothor.stemmer.MultiTrie

Constructor for the MultiTrie object

MultiTrie(DataInput) - Constructor for class org.egothor.stemmer.MultiTrie

Constructor for the MultiTrie object.

MultiTrie2 - Class in org.egothor.stemmer

The MultiTrie is a Trie of Tries.

MultiTrie2(boolean) - Constructor for class org.egothor.stemmer.MultiTrie2

Constructor for the MultiTrie2 object

MultiTrie2(DataInput) - Constructor for class org.egothor.stemmer.MultiTrie2

Constructor for the MultiTrie object.

N

NAME - Static variable in class org.apache.lucene.analysis.stempel.StempelPolishStemFilterFactory

SPI name

normalize(String, TokenStream) - Method in class org.apache.lucene.analysis.pl.PolishAnalyzer

O

optimize(Trie) - Method in class org.egothor.stemmer.Gener

Return a Trie with infrequent values occurring in the given Trie removed.

optimize(Trie) - Method in class org.egothor.stemmer.Lift

Optimize (eliminate rows with no content) the given Trie and return the reduced Trie.

optimize(Trie) - Method in class org.egothor.stemmer.Optimizer

Optimize (remove empty rows) from the given Trie and return the resulting Trie.

optimize(Trie) - Method in class org.egothor.stemmer.Reduce

Optimize (remove holes in the rows) the given Trie and return the restructured Trie.

Optimizer - Class in org.egothor.stemmer

The Optimizer class is a Trie that will be reduced (have empty rows removed).

Optimizer() - Constructor for class org.egothor.stemmer.Optimizer

Constructor for the Optimizer object.

Optimizer2 - Class in org.egothor.stemmer

The Optimizer class is a Trie that will be reduced (have empty rows removed).

Optimizer2() - Constructor for class org.egothor.stemmer.Optimizer2

Constructor for the Optimizer2 object.

org.apache.lucene.analysis.pl - package org.apache.lucene.analysis.pl

Analyzer for Polish.

org.apache.lucene.analysis.stempel - package org.apache.lucene.analysis.stempel

Stempel: Algorithmic Stemmer

org.egothor.stemmer - package org.egothor.stemmer

Egothor stemmer API.

P

PolishAnalyzer - Class in org.apache.lucene.analysis.pl

Analyzer for Polish.

PolishAnalyzer() - Constructor for class org.apache.lucene.analysis.pl.PolishAnalyzer

Builds an analyzer with the default stop words: PolishAnalyzer.DEFAULT_STOPWORD_FILE.

PolishAnalyzer(CharArraySet) - Constructor for class org.apache.lucene.analysis.pl.PolishAnalyzer

Builds an analyzer with the given stop words.

PolishAnalyzer(CharArraySet, CharArraySet) - Constructor for class org.apache.lucene.analysis.pl.PolishAnalyzer

Builds an analyzer with the given stop words.

print(PrintStream) - Method in class org.egothor.stemmer.Row

Write the contents of this Row to the printstream.

printInfo(PrintStream, CharSequence) - Method in class org.egothor.stemmer.MultiTrie

Print the given prefix and the position(s) in the Trie where it appears.

printInfo(PrintStream, CharSequence) - Method in class org.egothor.stemmer.Trie

writes debugging info to the printstream

R

reduce(Reduce) - Method in class org.egothor.stemmer.MultiTrie

Remove empty rows from the given Trie and return the newly reduced Trie.

reduce(Reduce) - Method in class org.egothor.stemmer.MultiTrie2

Remove empty rows from the given Trie and return the newly reduced Trie.

reduce(Reduce) - Method in class org.egothor.stemmer.Trie

Remove empty rows from the given Trie and return the newly reduced Trie.

Reduce - Class in org.egothor.stemmer

The Reduce object is used to remove gaps in a Trie which stores a dictionary.

Reduce() - Constructor for class org.egothor.stemmer.Reduce

Constructor for the Reduce object.

Row - Class in org.egothor.stemmer

The Row class represents a row in a matrix representation of a trie.

Row() - Constructor for class org.egothor.stemmer.Row

The default constructor for the Row object.

Row(DataInput) - Constructor for class org.egothor.stemmer.Row

Construct a Row object from input carried in via the given input stream.

Row(Row) - Constructor for class org.egothor.stemmer.Row

Construct a Row using the cells of the given Row.

S

setCmd(char, int) - Method in class org.egothor.stemmer.Row

Set the command in the Cell of the given character to the given integer.

setRef(char, int) - Method in class org.egothor.stemmer.Row

Set the reference to the next row in the Cell of the given character to the given integer.

stem(CharSequence) - Method in class org.apache.lucene.analysis.stempel.StempelStemmer

Stem a word.

StempelFilter - Class in org.apache.lucene.analysis.stempel

Transforms the token stream as per the stemming algorithm.

StempelFilter(TokenStream, StempelStemmer) - Constructor for class org.apache.lucene.analysis.stempel.StempelFilter

Create filter using the supplied stemming table.

StempelFilter(TokenStream, StempelStemmer, int) - Constructor for class org.apache.lucene.analysis.stempel.StempelFilter

Create filter using the supplied stemming table.

StempelPolishStemFilterFactory - Class in org.apache.lucene.analysis.stempel

Factory for StempelFilter using a Polish stemming table.

StempelPolishStemFilterFactory() - Constructor for class org.apache.lucene.analysis.stempel.StempelPolishStemFilterFactory

Default ctor for compatibility with SPI

StempelPolishStemFilterFactory(Map<String, String>) - Constructor for class org.apache.lucene.analysis.stempel.StempelPolishStemFilterFactory

Creates a new StempelPolishStemFilterFactory

StempelStemmer - Class in org.apache.lucene.analysis.stempel

Stemmer class is a convenient facade for other stemmer-related classes.

StempelStemmer(InputStream) - Constructor for class org.apache.lucene.analysis.stempel.StempelStemmer

Create a Stemmer using selected stemmer table

StempelStemmer(Trie) - Constructor for class org.apache.lucene.analysis.stempel.StempelStemmer

Create a Stemmer using pre-loaded stemmer table

store(DataOutput) - Method in class org.egothor.stemmer.MultiTrie

Write this data structure to the given output stream.

store(DataOutput) - Method in class org.egothor.stemmer.MultiTrie2

Write this data structure to the given output stream.

store(DataOutput) - Method in class org.egothor.stemmer.Row

Write the contents of this Row to the given output stream.

store(DataOutput) - Method in class org.egothor.stemmer.Trie

Write this Trie to the given output stream.

T

Trie - Class in org.egothor.stemmer

A Trie is used to store a dictionary of words and their stems.

Trie(boolean) - Constructor for class org.egothor.stemmer.Trie

Constructor for the Trie object.

Trie(boolean, int, List<CharSequence>, List<Row>) - Constructor for class org.egothor.stemmer.Trie

Constructor for the Trie object.

Trie(DataInput) - Constructor for class org.egothor.stemmer.Trie

Constructor for the Trie object.

U

uniformCmd(boolean) - Method in class org.egothor.stemmer.Row

Return the number of identical Cells (containing patch commands) in this Row.

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