de.spieleck.app.ngramj.lm
Class CategorizerImpl

java.lang.Object
  de.spieleck.app.ngramj.lm.CategorizerImpl

All Implemented Interfaces:

Categorizer, LMConstants

public class CategorizerImpl
extends java.lang.Object
implements Categorizer, LMConstants

One class to classify a profile against a set of profiles. Note this has a main() method for testing and tuning purposes.

Field Summary

static java.io.FilenameFilter	LMFilter
protected java.util.List	profiles

Fields inherited from interface de.spieleck.app.ngramj.lm.LMConstants

SKIPABLE, USEDNGRAMS

Constructor Summary

CategorizerImpl()
Construct an uninitialized Categorizer.

CategorizerImpl(java.lang.String dirName)
Construct an Categorizer from a whole Directory of resources.

CategorizerImpl(java.lang.String[] fileNames)
Construct an Categorizer from a List of resource file names.

Method Summary

void	addProfile(IterableProfile prof) add an Categorization alternative to the profiles.
double	deltaRank(IterableProfile prof1, Profile prof2) Calculate "the distance" between two profiles
protected void	init(java.io.File fi, java.lang.String[] names) Fetch the set of file resources.
static void	main(java.lang.String[] args) Sample application, like the text_cat main mode.
Profile	match(Profile prof) Match a given profile against the Categorizer

Methods inherited from class java.lang.Object

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

Field Detail

profiles

protected java.util.List profiles

LMFilter

public static java.io.FilenameFilter LMFilter

Constructor Detail

CategorizerImpl

public CategorizerImpl()
                throws java.io.IOException

Construct an uninitialized Categorizer.

Throws:

java.io.IOException

CategorizerImpl

public CategorizerImpl(java.lang.String dirName)
                throws NGramException,
                       java.io.FileNotFoundException

Construct an Categorizer from a whole Directory of resources.

Throws:

NGramException

java.io.FileNotFoundException

CategorizerImpl

public CategorizerImpl(java.lang.String[] fileNames)
                throws NGramException,
                       java.io.FileNotFoundException

Construct an Categorizer from a List of resource file names.

Throws:

NGramException

java.io.FileNotFoundException

Method Detail

init

protected void init(java.io.File fi,
                    java.lang.String[] names)
             throws NGramException,
                    java.io.FileNotFoundException

Fetch the set of file resources.

Throws:

NGramException

java.io.FileNotFoundException

addProfile

public void addProfile(IterableProfile prof)

add an Categorization alternative to the profiles.

Specified by:

addProfile in interface Categorizer

match

public Profile match(Profile prof)

Match a given profile against the Categorizer

Specified by:

match in interface Categorizer

deltaRank

public double deltaRank(IterableProfile prof1,
                        Profile prof2)

Calculate "the distance" between two profiles

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Sample application, like the text_cat main mode.

Throws:

java.lang.Exception