net.obsearch.index
Class OBVectorLong

java.lang.Object
  net.obsearch.index.OBVectorLong

All Implemented Interfaces:

net.obsearch.OB, OBLong, net.obsearch.Storable

public class OBVectorLong
extends Object
implements OBLong

L1 distance implementation for longs.

Author:

Arnoldo Jose Muller Molina

Constructor Summary

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

OBVectorLong(long[] data)

OBVectorLong(Random r, int dim)
Creates a new vector with dim dimensions created by Random.nextLong()

Method Summary

long	distance(OBLong 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

OBVectorLong

public OBVectorLong()

Default constructor must be provided by every object that implements the interface OB.

OBVectorLong

public OBVectorLong(long[] data)

OBVectorLong

public OBVectorLong(Random r,
                    int dim)

Creates a new vector with dim dimensions created by Random.nextLong()

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

distance

public long distance(OBLong object)
              throws net.obsearch.exception.OBException

Description copied from interface: OBLong

Calculates the similarity of "this" and "object". The function must satisfy the triangular inequality and return a long.

Specified by:

distance in interface OBLong

Parameters:

object - The object of type OBLong 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