de.lmu.ifi.dbs.elki.database.datastore.memory

Class ArrayDoubleStore

java.lang.Object

de.lmu.ifi.dbs.elki.database.datastore.memory.ArrayDoubleStore

All Implemented Interfaces:

DataStore<Double>, DoubleDataStore, WritableDataStore<Double>, WritableDoubleDataStore, Result

public class ArrayDoubleStore
extends Object
implements WritableDoubleDataStore

A class to answer representation queries using the stored Array.

Field Summary

Fields

Modifier and Type	Field and Description
private double[]	data Data array
private DataStoreIDMap	idmap DBID to index map

Constructor Summary

Constructors

Constructor and Description
ArrayDoubleStore(int size, DataStoreIDMap idmap) Constructor.
ArrayDoubleStore(int size, DataStoreIDMap idmap, double def) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	delete(DBIDRef id) Delete the contents for a particular ID and notifies the registered listeners.
void	destroy() Deallocate the storage, freeing the memory and notifies the registered listeners.
double	doubleValue(DBIDRef id) Retrieves an object from the storage.
Double	get(DBIDRef id) Deprecated.
String	getLongName() A "pretty" name for the result, for use in titles, captions and menus.
String	getShortName() A short name for the result, useful for file names.
double	put(DBIDRef id, double value) Associates the specified value with the specified id in this storage.
Double	put(DBIDRef id, Double value) Deprecated.
double	putDouble(DBIDRef id, double value) Associates the specified value with the specified id in this storage.

Methods inherited from class java.lang.Object

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

Field Detail

data

private double[] data

Data array

idmap

private DataStoreIDMap idmap

DBID to index map

Constructor Detail

ArrayDoubleStore

public ArrayDoubleStore(int size,
                DataStoreIDMap idmap)

Constructor.

Parameters:

size - Size

idmap - ID map

ArrayDoubleStore

public ArrayDoubleStore(int size,
                DataStoreIDMap idmap,
                double def)

Constructor.

Parameters:

size - Size

idmap - ID map

def - Default value

Method Detail

get

@Deprecated
public Double get(DBIDRef id)

Deprecated.

Description copied from interface: DoubleDataStore

Getter, but using objects.

Specified by:

get in interface DataStore<Double>

Specified by:

get in interface DoubleDataStore

Parameters:

id - Database ID.

Returns:

Object or null

put

@Deprecated
public Double put(DBIDRef id,
                    Double value)

Deprecated.

Description copied from interface: WritableDoubleDataStore

Setter, but using objects.

Specified by:

put in interface WritableDataStore<Double>

Specified by:

put in interface WritableDoubleDataStore

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

doubleValue

public double doubleValue(DBIDRef id)

Description copied from interface: DoubleDataStore

Retrieves an object from the storage.

Specified by:

doubleValue in interface DoubleDataStore

Parameters:

id - Database ID.

Returns:

Double value

putDouble

public double putDouble(DBIDRef id,
               double value)

Description copied from interface: WritableDoubleDataStore

Associates the specified value with the specified id in this storage. If the storage previously contained a value for the id, the previous value is replaced by the specified value.

Specified by:

putDouble in interface WritableDoubleDataStore

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

put

public double put(DBIDRef id,
         double value)

Description copied from interface: WritableDoubleDataStore

Associates the specified value with the specified id in this storage. If the storage previously contained a value for the id, the previous value is replaced by the specified value.

Specified by:

put in interface WritableDoubleDataStore

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

destroy

public void destroy()

Description copied from interface: WritableDataStore

Deallocate the storage, freeing the memory and notifies the registered listeners.

Specified by:

destroy in interface WritableDataStore<Double>

delete

public void delete(DBIDRef id)

Description copied from interface: WritableDataStore

Delete the contents for a particular ID and notifies the registered listeners.

Specified by:

delete in interface WritableDataStore<Double>

Parameters:

id - Database ID.

getLongName

public String getLongName()

Description copied from interface: Result

A "pretty" name for the result, for use in titles, captions and menus.

Specified by:

getLongName in interface Result

Returns:

result name

getShortName

public String getShortName()

Description copied from interface: Result

A short name for the result, useful for file names.

Specified by:

getShortName in interface Result

Returns:

result name