AbstractRStarTree.Statistics (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- 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	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 Description

Statistics()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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.