lempinen.neatseeker.core
Class AbstractWeighter

java.lang.Object
  |
  +--lempinen.neatseeker.core.AbstractWeighter

All Implemented Interfaces:

java.util.Comparator, Weighter

Direct Known Subclasses:

HitCountWeighter, TfIdfWeighter

public abstract class AbstractWeighter

extends java.lang.Object

implements Weighter

Provides an abstract implementation of a Weighter.

Version:

$Id: AbstractWeighter.java,v 1.3 2000/09/27 17:01:25 lempinen Exp $

Author:

Sami Lempinen

Field Summary

protected long	documentCount The total document count
protected Repository	repository The repository object.
protected int	resultCount The total number of documents returned by a particular query.
protected long	wordCount The total word count

Constructor Summary

AbstractWeighter()

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) Compares two Pointers for relevance.
void	init(Repository r, Statistics s) Initialises the Weighter with the given Repository and given Statistics.
void	setResultCount(int c) Sets the number of results returned by a query.

Methods inherited from class java.lang.Object

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

Methods inherited from interface lempinen.neatseeker.core.Weighter

calculateWeight, toString

Methods inherited from interface java.util.Comparator

equals

Field Detail

documentCount

protected long documentCount

The total document count

wordCount

protected long wordCount

The total word count

resultCount

protected int resultCount

The total number of documents returned by a particular query.

repository

protected Repository repository

The repository object.

Constructor Detail

AbstractWeighter

public AbstractWeighter()

Method Detail

init

public void init(Repository r,
                 Statistics s)

Description copied from interface: Weighter

Initialises the Weighter with the given Repository and given Statistics.

Specified by:

init in interface Weighter

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Description copied from interface: Weighter

Compares two Pointers for relevance.

Implemeting classes should throw a RuntimeException if the object are not members of the Pointer class.

Specified by:

compare in interface Weighter

setResultCount

public void setResultCount(int c)

Description copied from interface: Weighter

Sets the number of results returned by a query.

Specified by:

setResultCount in interface Weighter