Package elki.database.datastore.memory

Class MapIntegerDBIDIntegerStore

java.lang.Object

elki.database.datastore.memory.MapIntegerDBIDIntegerStore

All Implemented Interfaces:

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

public class MapIntegerDBIDIntegerStore
extends java.lang.Object
implements WritableIntegerDataStore

Writable data store for double values.

Since:

0.5.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap	map	Data storage.

Constructor Summary

Constructors

Constructor	Description
MapIntegerDBIDIntegerStore(int size)	Constructor.
MapIntegerDBIDIntegerStore(int size, 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

map

private it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap map

Data storage.

Constructor Detail

MapIntegerDBIDIntegerStore

public MapIntegerDBIDIntegerStore(int size)

Constructor.

Parameters:

size - Expected size

MapIntegerDBIDIntegerStore

public MapIntegerDBIDIntegerStore(int size,
                                  int def)

Constructor.

Parameters:

size - Expected size

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

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

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

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.

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.

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>