ivory.core.data.document

Class WeightedIntDocVector

java.lang.Object

ivory.core.data.document.WeightedIntDocVector

All Implemented Interfaces:

IntDocVector, Writable

public class WeightedIntDocVector
extends Object
implements IntDocVector

Implementation of IntDocVector with term weights

Author:

Earl J. Wagner

Nested Class Summary

Nested classes/interfaces inherited from interface ivory.core.data.document.IntDocVector

IntDocVector.Reader

Constructor Summary

Constructors

Constructor and Description
WeightedIntDocVector()
WeightedIntDocVector(int docLength, HMapIFW weightedTerms)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	containsTerm(int termid)
float	dot(WeightedIntDocVector otherVector)
int	getDocLength()
IntDocVector.Reader	getReader() Returns the reader for this IntDocVector.
float	getWeight(int termid)
HMapIFW	getWeightedTerms()
void	normalizeWith(float l)
void	plus(WeightedIntDocVector otherVector)
void	readFields(DataInput in)
void	setDocLength(int docLength)
void	setWeightedTerms(HMapIFW weightedTerms)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

WeightedIntDocVector

public WeightedIntDocVector()

WeightedIntDocVector

public WeightedIntDocVector(int docLength,
                    HMapIFW weightedTerms)

Method Detail

containsTerm

public boolean containsTerm(int termid)

dot

public float dot(WeightedIntDocVector otherVector)

getDocLength

public int getDocLength()

getReader

public IntDocVector.Reader getReader()
                              throws IOException

Description copied from interface: IntDocVector

Returns the reader for this IntDocVector.

Specified by:

getReader in interface IntDocVector

Returns:

reader for this IntDocVector

Throws:

IOException

getWeight

public float getWeight(int termid)

getWeightedTerms

public HMapIFW getWeightedTerms()

normalizeWith

public void normalizeWith(float l)

plus

public void plus(WeightedIntDocVector otherVector)

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface Writable

Throws:

IOException

setDocLength

public void setDocLength(int docLength)

setWeightedTerms

public void setWeightedTerms(HMapIFW weightedTerms)

toString

public String toString()

Overrides:

toString in class Object

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface Writable

Throws:

IOException