csli.util.nlp
Class StemmerFactory

java.lang.Object
  csli.util.nlp.StemmerFactory

All Implemented Interfaces:

Serializable

public class StemmerFactory
extends Object
implements Serializable

A factory that returns a word stemmer.

See Also:

Serialized Form

Field Summary

static String

DEFAULT_KEY

Constructor Summary

StemmerFactory()

Method Summary

static Stemmer	getNewStemmer() Get a new stemmer of the class specified by the default util.nlp.stemmer config key
static Stemmer	getNewStemmer(String key) Get a new stemmer of the class specified by the given config key OR class name
static Stemmer	getStemmer() Get the static instance of the default stemmer; if none exists, a new one will be created, of the class specified by the default util.nlp.stemmer config key
static Stemmer	getStemmer(String key) Get the static instance of the stemmer associated with the given config key OR class name; if none exists, create a new one

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_KEY

public static final String DEFAULT_KEY

See Also:

Constant Field Values

Constructor Detail

StemmerFactory

public StemmerFactory()

Method Detail

getStemmer

public static Stemmer getStemmer()

Get the static instance of the default stemmer; if none exists, a new one will be created, of the class specified by the default util.nlp.stemmer config key

Returns:

null if the key doesn't exist, class can't be instantiated etc.

getStemmer

public static Stemmer getStemmer(String key)

Get the static instance of the stemmer associated with the given config key OR class name; if none exists, create a new one

Parameters:

key - the name of the desired class, or a config key which points at one

Returns:

null if the key doesn't exist, class can't be instantiated etc.

getNewStemmer

public static Stemmer getNewStemmer()

Get a new stemmer of the class specified by the default util.nlp.stemmer config key

Returns:

null if the key doesn't exist, class can't be instantiated etc.

getNewStemmer

public static Stemmer getNewStemmer(String key)

Get a new stemmer of the class specified by the given config key OR class name

Parameters:

key - the name of the desired class, or a config key which points at one

Returns:

null if the key doesn't exist, class can't be instantiated etc.