org.schwiebert.abl4j.util
Class WordMapping<T>

java.lang.Object
  org.schwiebert.abl4j.util.WordMapping<T>

All Implemented Interfaces:

Serializable, IWordMapping<T>

Direct Known Subclasses:

StringMapping

public class WordMapping<T>
extends Object
implements Serializable, IWordMapping<T>

A helper class which provides word mappings. To map String objects, the default implementation StringMapping can be used.

Author:

sschwieb

See Also:

Serialized Form

Field Summary

private Map<Integer,Vector<Integer>>	indexToSentence mapping word index -> sentence index
private Map<Integer,T>	indexToWord mapping word index -> word string
private static long	serialVersionUID
private Map<T,Integer>	wordToIndex mapping word string -> word index

Constructor Summary

WordMapping(Comparator<T> comparator)

Method Summary

void	addIndexToSentence(int index, int sentenceId) This method is called to register the use of the word wordId in sentence sentenceId.
Vector<Integer>	getSentencesOfIndex(int index) Returns a list of all sequences which contain the word with id wordId.
T	getWord(int index) Returns the word with id wordId
int	getWordIndexByObject(T data) Returns the word id of data

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

wordToIndex

private final Map<T,Integer> wordToIndex

mapping word string -> word index

indexToWord

private final Map<Integer,T> indexToWord

mapping word index -> word string

indexToSentence

private final Map<Integer,Vector<Integer>> indexToSentence

mapping word index -> sentence index

Constructor Detail

WordMapping

public WordMapping(Comparator<T> comparator)

Method Detail

addIndexToSentence

public void addIndexToSentence(int index,
                               int sentenceId)

Description copied from interface: IWordMapping

This method is called to register the use of the word wordId in sentence sentenceId.

Specified by:

addIndexToSentence in interface IWordMapping<T>

getSentencesOfIndex

public Vector<Integer> getSentencesOfIndex(int index)

Description copied from interface: IWordMapping

Returns a list of all sequences which contain the word with id wordId.

Specified by:

getSentencesOfIndex in interface IWordMapping<T>

Returns:

getWord

public T getWord(int index)

Description copied from interface: IWordMapping

Returns the word with id wordId

Specified by:

getWord in interface IWordMapping<T>

Returns:

getWordIndexByObject

public int getWordIndexByObject(T data)

Description copied from interface: IWordMapping

Returns the word id of data

Specified by:

getWordIndexByObject in interface IWordMapping<T>

Returns: