de.tudarmstadt.ukp.dkpro.core.decompounding.web1t

Class Finder

java.lang.Object

de.tudarmstadt.ukp.dkpro.core.decompounding.web1t.Finder

All Implemented Interfaces:

Closeable, AutoCloseable

public class Finder
extends Object
implements Closeable

This class searches on the Lucene Index for n-grams.

Constructor Summary

Constructors

Constructor and Description
Finder(File aIndexFolder, File nGramFolder) Constructor for the finder.

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	contains(String aWord)
List<NGramModel>	find(String aGram) Find all n-grams in the index.
List<NGramModel>	find(String[] aToken) Find all n-grams containing these tokens in order but optionally with words between them.
BigInteger	freq(String aUnigram)
BigInteger	getUnigramCount()

Methods inherited from class java.lang.Object

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

Constructor Detail

Finder

public Finder(File aIndexFolder,
              File nGramFolder)
       throws IOException

Constructor for the finder. In case of performance it is recommended to use only one instance of this class.

Parameters:

aIndexFolder - The folder to the Lucene index or a folder with multiple indexes.

nGramFolder - The folder to the JWeb1T n-grams.

Throws:

IOException - if the data could not be read.

Method Detail

freq

public BigInteger freq(String aUnigram)

getUnigramCount

public BigInteger getUnigramCount()

find

public List<NGramModel> find(String aGram)

Find all n-grams in the index.

Parameters:

aGram - A String of token split by space

Returns:

all n-grams in the index.

find

public List<NGramModel> find(String[] aToken)

Find all n-grams containing these tokens in order but optionally with words between them.

Parameters:

aToken - A list of tokens

Returns:

the n-grams.

contains

public boolean contains(String aWord)

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException