Package elki.database.datastore.memory

Class ArrayIntegerStore

java.lang.Object

elki.database.datastore.memory.ArrayIntegerStore

All Implemented Interfaces:

DataStore<java.lang.Integer>, IntegerDataStore, WritableDataStore<java.lang.Integer>, WritableIntegerDataStore

public class ArrayIntegerStore
extends java.lang.Object
implements WritableIntegerDataStore

A class to answer representation queries using the stored Array.

Since:

0.5.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private int[]	data	Data array
private int	def	Default value (for clear()).
private DataStoreIDMap	idmap	DBID to index map

Constructor Summary

Constructors

Constructor	Description
ArrayIntegerStore(int size, DataStoreIDMap idmap)	Constructor.
ArrayIntegerStore(int size, DataStoreIDMap idmap, int def)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear the storage (resetting it to the default value).
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.
java.lang.Integer	get(DBIDRef id)	Deprecated.
void	increment(DBIDRef id, int adjust)	Increment a value.
int	intValue(DBIDRef id)	Retrieves a value from the storage.
int	put(DBIDRef id, int value)	Associates the specified value with the specified id in this storage.
java.lang.Integer	put(DBIDRef id, java.lang.Integer value)	Deprecated.
int	putInt(DBIDRef id, int 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 int[] data

Data array

idmap

private DataStoreIDMap idmap

DBID to index map

def

private int def

Default value (for clear()).

Constructor Detail

ArrayIntegerStore

public ArrayIntegerStore(int size,
                         DataStoreIDMap idmap)

Constructor.

Parameters:

size - Size

idmap - ID map

ArrayIntegerStore

public ArrayIntegerStore(int size,
                         DataStoreIDMap idmap,
                         int def)

Constructor.

Parameters:

size - Size

idmap - ID map

def - Default value

Method Detail

get

@Deprecated
public java.lang.Integer get(DBIDRef id)

Deprecated.

Description copied from interface: IntegerDataStore

Getter, but using objects.

Specified by:

get in interface DataStore<java.lang.Integer>

Specified by:

get in interface IntegerDataStore

Parameters:

id - Database ID.

Returns:

Object or null

put

@Deprecated
public java.lang.Integer put(DBIDRef id,
                             java.lang.Integer value)

Deprecated.

Description copied from interface: WritableIntegerDataStore

Setter, but using objects.

Specified by:

put in interface WritableDataStore<java.lang.Integer>

Specified by:

put in interface WritableIntegerDataStore

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

intValue

public int intValue(DBIDRef id)

Description copied from interface: IntegerDataStore

Retrieves a value from the storage.

Specified by:

intValue in interface IntegerDataStore

Parameters:

id - Database ID.

Returns:

Double value

putInt

public int putInt(DBIDRef id,
                  int value)

Description copied from interface: WritableIntegerDataStore

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:

putInt in interface WritableIntegerDataStore

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

put

public int put(DBIDRef id,
               int value)

Description copied from interface: WritableIntegerDataStore

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 WritableIntegerDataStore

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

increment

public void increment(DBIDRef id,
                      int adjust)

Description copied from interface: WritableIntegerDataStore

Increment a value.

Specified by:

increment in interface WritableIntegerDataStore

Parameters:

id - Database ID.

adjust - Value to add to the 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<java.lang.Integer>

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<java.lang.Integer>

Parameters:

id - Database ID.

clear

public void clear()

Description copied from interface: WritableDataStore

Clear the storage (resetting it to the default value).

Specified by:

clear in interface WritableDataStore<java.lang.Integer>