net.obsearch.index
Class OBVectorFloat

java.lang.Object
  extended by net.obsearch.index.OBVectorFloat
All Implemented Interfaces:
net.obsearch.OB, OBFloat, net.obsearch.Storable

public class OBVectorFloat
extends Object
implements OBFloat

L1 distance implementation for floats.

Author:
Arnoldo Jose Muller Molina

Constructor Summary
OBVectorFloat()
          Default constructor must be provided by every object that implements the interface OB.
OBVectorFloat(float[] data)
           
OBVectorFloat(Random r, int dim)
          Creates a new vector with dim dimensions created by Random.nextFloat()
 
Method Summary
 float distance(OBFloat object)
          Calculates the similarity of "this" and "object".
 boolean equals(Object o)
           
 void load(byte[] input)
           
 byte[] store()
           
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

OBVectorFloat

public OBVectorFloat()
Default constructor must be provided by every object that implements the interface OB.


OBVectorFloat

public OBVectorFloat(float[] data)

OBVectorFloat

public OBVectorFloat(Random r,
                     int dim)
Creates a new vector with dim dimensions created by Random.nextFloat()

Method Detail

equals

public boolean equals(Object o)
Overrides:
equals in class Object

distance

public float distance(OBFloat object)
               throws net.obsearch.exception.OBException
Description copied from interface: OBFloat
Calculates the similarity of "this" and "object". The function must satisfy the triangular inequality and return a float.

Specified by:
distance in interface OBFloat
Parameters:
object - The object of type OBFloat to be compared
Throws:
net.obsearch.exception.OBException - User generated exception

load

public void load(byte[] input)
          throws net.obsearch.exception.OBException,
                 IOException
Specified by:
load in interface net.obsearch.Storable
Throws:
net.obsearch.exception.OBException
IOException

store

public byte[] store()
             throws net.obsearch.exception.OBException,
                    IOException
Specified by:
store in interface net.obsearch.Storable
Throws:
net.obsearch.exception.OBException
IOException


Copyright © 2007-2011 Arnoldo Jose Muller Molina. All Rights Reserved.