de.lmu.ifi.dbs.elki.application.cache

Class CacheFloatDistanceInOnDiskMatrix<O,D extends NumberDistance<D,?>>

java.lang.Object

de.lmu.ifi.dbs.elki.application.AbstractApplication

de.lmu.ifi.dbs.elki.application.cache.CacheFloatDistanceInOnDiskMatrix<O,D>

Type Parameters:

O - Object type

D - Distance type

All Implemented Interfaces:

InspectionUtilFrequentlyScanned, Parameterizable

public class CacheFloatDistanceInOnDiskMatrix<O,D extends NumberDistance<D,?>>
extends AbstractApplication

Wrapper to convert a traditional text-serialized result into a on-disk matrix for random access.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CacheFloatDistanceInOnDiskMatrix.Parameterizer<O,D extends NumberDistance<D,?>> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
static OptionID	CACHE_ID Parameter that specifies the name of the directory to be re-parsed.
private Database	database Holds the database connection to have the algorithm run with.
private static boolean	debugExtraCheckSymmetry Debug flag, to double-check all write operations.
private DistanceFunction<O,D>	distance Distance function that is to be cached.
static OptionID	DISTANCE_ID Parameter that specifies the name of the directory to be re-parsed.
private static int	FLOAT_SIZE Storage size: 4 bytes floats
private static Logging	logger The logger for this class.
private File	out Output file.

Fields inherited from class de.lmu.ifi.dbs.elki.application.AbstractApplication

INFORMATION, INPUT_ID, OUTPUT_ID, STATIC_LOGGER

Constructor Summary

Constructors

Constructor and Description
CacheFloatDistanceInOnDiskMatrix(boolean verbose, Database database, DistanceFunction<O,D> distance, File out) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args) Main method, delegate to super class.
void	run() Runs the application.

Methods inherited from class de.lmu.ifi.dbs.elki.application.AbstractApplication

isVerbose, printErrorMessage, runCLIApplication, usage

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final Logging logger

The logger for this class.

CACHE_ID

public static final OptionID CACHE_ID

Parameter that specifies the name of the directory to be re-parsed.

Key: -loader.diskcache

DISTANCE_ID

public static final OptionID DISTANCE_ID

Parameter that specifies the name of the directory to be re-parsed.

Key: -loader.distance

debugExtraCheckSymmetry

private static final boolean debugExtraCheckSymmetry

Debug flag, to double-check all write operations.

See Also:

Constant Field Values

FLOAT_SIZE

private static final int FLOAT_SIZE

Storage size: 4 bytes floats

See Also:

Constant Field Values

database

private Database database

Holds the database connection to have the algorithm run with.

distance

private DistanceFunction<O,D extends NumberDistance<D,?>> distance

Distance function that is to be cached.

out

private File out

Output file.

Constructor Detail

CacheFloatDistanceInOnDiskMatrix

public CacheFloatDistanceInOnDiskMatrix(boolean verbose,
                                Database database,
                                DistanceFunction<O,D> distance,
                                File out)

Constructor.

Parameters:

verbose - Verbose flag

database - Database

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(String[] args)

Main method, delegate to super class.

Parameters:

args - Command line arguments