CacheFloatDistanceInOnDiskMatrix (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.application.AbstractApplication
- - elki.application.cache.CacheFloatDistanceInOnDiskMatrix<O>

Type Parameters:

O - Object type
```
public class CacheFloatDistanceInOnDiskMatrix<O>
extends AbstractApplication
```
Precompute an on-disk distance matrix, using float precision.

Since:

0.2

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class CacheFloatDistanceInOnDiskMatrix.Par<O>
Parameterization class.

Field Summary

Fields
Modifier and Type	Field	Description
`private Database`	`database`	Data source to process.
`private static boolean`	`debugExtraCheckSymmetry`	Debug flag, to double-check all write operations.
`private Distance<? super O>`	`distance`	Distance function that is to be cached.
`private static Logging`	`LOG`	The logger for this class.
`private java.nio.file.Path`	`out`	Output file.

Fields inherited from class elki.application.AbstractApplication
REFERENCE, VERSION

Constructor Summary

Constructors
Constructor	Description
`CacheFloatDistanceInOnDiskMatrix(Database database, Distance<? super O> distance, java.nio.file.Path out)`	Constructor.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`main(java.lang.String[] args)`	Main method, delegate to super class.
`void`	`run()`	Runs the application.

Methods inherited from class elki.application.AbstractApplication
printErrorMessage, runCLIApplication, usage

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - LOG
```
private static final Logging LOG
```
    The logger for this class.
  - debugExtraCheckSymmetry
```
private static final boolean debugExtraCheckSymmetry
```
    Debug flag, to double-check all write operations.
    
    See Also:
    
    Constant Field Values
  - database
```
private Database database
```
    Data source to process.
  - distance
```
private Distance<? super O> distance
```
    Distance function that is to be cached.
  - out
```
private java.nio.file.Path out
```
    Output file.
- Constructor Detail
  - CacheFloatDistanceInOnDiskMatrix
```
public CacheFloatDistanceInOnDiskMatrix(Database database,
                                        Distance<? super O> distance,
                                        java.nio.file.Path out)
```
    Constructor.
    
    Parameters:
    
    database - Data source
    
    distance - Distance function
    
    out - Matrix output file
- Method Detail
  - run
```
public void run()
```
    Description copied from class: AbstractApplication
    
    Runs the application.
    
    Specified by:
    
    run in class AbstractApplication
  - main
```
public static void main(java.lang.String[] args)
```
    Main method, delegate to super class.
    
    Parameters:
    
    args - Command line arguments