de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants

Class AbstractRStarTree.Statistics

java.lang.Object

de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.AbstractRStarTree.Statistics

Enclosing class:

AbstractRStarTree<N extends AbstractRStarTreeNode<N,E>,E extends SpatialEntry,S extends RTreeSettings>

public class AbstractRStarTree.Statistics
extends java.lang.Object

Class for tracking some statistics.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
protected Counter	distanceCalcs For counting the number of distance computations.
protected Counter	knnQueries For counting the number of knn queries answered.
protected Counter	rangeQueries For counting the number of range queries answered.

Constructor Summary

Constructors

Constructor and Description
Statistics() Constructor.

Method Summary

Modifier and Type	Method and Description
void	countDistanceCalculation() Count a distance computation.
void	countKNNQuery() Count a knn query invocation.
void	countRangeQuery() Count a range query invocation.
void	logStatistics() Log the statistics.

Methods inherited from class java.lang.Object

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

Field Detail

distanceCalcs

protected final Counter distanceCalcs

For counting the number of distance computations.

knnQueries

protected final Counter knnQueries

For counting the number of knn queries answered.

rangeQueries

protected final Counter rangeQueries

For counting the number of range queries answered.

Constructor Detail

Statistics

public Statistics()

Constructor.

Method Detail

countDistanceCalculation

public void countDistanceCalculation()

Count a distance computation.

countKNNQuery

public void countKNNQuery()

Count a knn query invocation.

countRangeQuery

public void countRangeQuery()

Count a range query invocation.

logStatistics

public void logStatistics()

Log the statistics.