QueryProcessor.Utils
Class SortedAccessMtreeRoundRobin

java.lang.Object
  QueryProcessor.Utils.SortedAccess
      QueryProcessor.Utils.SortedAccessMtree
          QueryProcessor.Utils.SortedAccessMtreeRoundRobin

public class SortedAccessMtreeRoundRobin
extends SortedAccessMtree

Class for the management of sorted accesses to the region M-tree using the round robin policy.

Field Summary

Fields inherited from class QueryProcessor.Utils.SortedAccess

query, time

Constructor Summary

SortedAccessMtreeRoundRobin(java.lang.String filename, Image query)
Basic constructor.

Method Summary

protected int

getBestSortedAccess() Selects the region scan to be performed next using the round robin policy.

Methods inherited from class QueryProcessor.Utils.SortedAccessMtree

getDistances, getNext, resetDistances

Methods inherited from class QueryProcessor.Utils.SortedAccess

getCount, getImage, getNext, getTime, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

SortedAccessMtreeRoundRobin

public SortedAccessMtreeRoundRobin(java.lang.String filename,
                                   Image query)

Basic constructor.

Parameters:

filename - The absolute path of the file containing the M-tree index.

query - Query image.

Method Detail

getBestSortedAccess

protected int getBestSortedAccess()

Selects the region scan to be performed next using the round robin policy.

Specified by:

getBestSortedAccess in class SortedAccess

Returns:

Index of the best region scan.