mobios.index
Class RangeQuery

java.lang.Object
  mobios.index.RangeQuery

All Implemented Interfaces:

Query

public class RangeQuery
extends Object
implements Query

A range query. Given (q,r), the results should be all database points x such that d(x,q) <= r

Version:

2006.05.09

Author:

Rui Mao, Willard

Constructor Summary

RangeQuery(IndexObject center, double radius)
Initializes the range query object

RangeQuery(IndexObject center, double radius, int listSize)

Method Summary

int	getMaxDistanceListSize()
IndexObject	getQueryObject() Return a reference to the query object
double	getRadius() Returns the search radius of the proximity query.

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeQuery

public RangeQuery(IndexObject center,
                  double radius)

Initializes the range query object

Parameters:

center - the Object that serves as the query object

radius - the search radius of the range query.

RangeQuery

public RangeQuery(IndexObject center,
                  double radius,
                  int listSize)

Method Detail

getQueryObject

public IndexObject getQueryObject()

Return a reference to the query object

Specified by:

getQueryObject in interface Query

Returns:

a reference to the query object

getRadius

public final double getRadius()

Returns the search radius of the proximity query.

getMaxDistanceListSize

public int getMaxDistanceListSize()