dragon.ir.index

Class IRRelation

java.lang.Object

dragon.ir.index.IRRelation

All Implemented Interfaces:

IRSignature, FrequencySortable, IndexSortable, Serializable, Comparable

public class IRRelation
extends Object
implements IRSignature, IndexSortable, FrequencySortable, Comparable, Serializable

IRRelation is the basic data structure for binary relation extracted from document which can be sorted and compared by index and frequency.

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IRRelation(int firstTermIndex, int secondTermIndex, int frequency)
IRRelation(int index, int firstTermIndex, int secondTermIndex, int frequency, int docFrequency)

Method Summary

Modifier and Type	Method and Description
void	addDocFrequency(int inc)
void	addFrequency(int inc)
int	compareTo(Object obj)
IRRelation	copy()
int	getDocFrequency()
int	getFirstTerm()
int	getFrequency()
int	getIndex()
int	getSecondTerm()
void	setDocFrequency(int freq)
void	setFirstTerm(int first)
void	setFrequency(int freq)
void	setIndex(int index)
void	setSecondTerm(int second)

Methods inherited from class java.lang.Object

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

Constructor Detail

IRRelation

public IRRelation(int firstTermIndex,
                  int secondTermIndex,
                  int frequency)

IRRelation

public IRRelation(int index,
                  int firstTermIndex,
                  int secondTermIndex,
                  int frequency,
                  int docFrequency)

Method Detail

copy

public IRRelation copy()

getFirstTerm

public int getFirstTerm()

setFirstTerm

public void setFirstTerm(int first)

getSecondTerm

public int getSecondTerm()

setSecondTerm

public void setSecondTerm(int second)

setFrequency

public void setFrequency(int freq)

Specified by:

setFrequency in interface IRSignature

Specified by:

setFrequency in interface FrequencySortable

addFrequency

public void addFrequency(int inc)

getFrequency

public int getFrequency()

Specified by:

getFrequency in interface IRSignature

Specified by:

getFrequency in interface FrequencySortable

getIndex

public int getIndex()

Specified by:

getIndex in interface IRSignature

Specified by:

getIndex in interface IndexSortable

setIndex

public void setIndex(int index)

Specified by:

setIndex in interface IRSignature

Specified by:

setIndex in interface IndexSortable

getDocFrequency

public int getDocFrequency()

Specified by:

getDocFrequency in interface IRSignature

addDocFrequency

public void addDocFrequency(int inc)

setDocFrequency

public void setDocFrequency(int freq)

Specified by:

setDocFrequency in interface IRSignature

compareTo

public int compareTo(Object obj)

Specified by:

compareTo in interface Comparable