Package elki.database.datastore.memory

Class ArrayDBIDStore

java.lang.Object

elki.database.datastore.memory.ArrayDBIDStore

All Implemented Interfaces:

DataStore<DBID>, DBIDDataStore, WritableDataStore<DBID>, WritableDBIDDataStore

public class ArrayDBIDStore
extends java.lang.Object
implements WritableDBIDDataStore

A class to answer representation queries using the stored Array.

Since:

0.5.5

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private ArrayModifiableDBIDs	data	Data array
private DataStoreIDMap	idmap	DBID to index map

Constructor Summary

Constructors

Constructor	Description
ArrayDBIDStore(int size, DataStoreIDMap idmap)	Constructor.

Method Summary

Modifier and Type	Method	Description
DBIDVar	assignVar(DBIDRef id, DBIDVar var)	Retrieves an object from the storage.
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.
DBID	get(DBIDRef id)	Deprecated.
DBID	put(DBIDRef id, DBID value)	Deprecated.
void	put(DBIDRef id, DBIDRef value)	Associates the specified value with the specified id in this storage.
void	putDBID(DBIDRef id, DBIDRef value)	Associates the specified value with the specified id in this storage.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

data

private ArrayModifiableDBIDs data

Data array

idmap

private DataStoreIDMap idmap

DBID to index map

Constructor Detail

ArrayDBIDStore

public ArrayDBIDStore(int size,
                      DataStoreIDMap idmap)

Constructor.

Parameters:

size - Size

idmap - ID map

Method Detail

get

@Deprecated
public DBID get(DBIDRef id)

Deprecated.

Description copied from interface: DBIDDataStore

Getter, but using objects.

Specified by:

get in interface DataStore<DBID>

Specified by:

get in interface DBIDDataStore

Parameters:

id - Database ID.

Returns:

Object or null

assignVar

public DBIDVar assignVar(DBIDRef id,
                         DBIDVar var)

Description copied from interface: DBIDDataStore

Retrieves an object from the storage.

Specified by:

assignVar in interface DBIDDataStore

Parameters:

id - Database ID.

var - Variable to update.

Returns:

var

put

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

Deprecated.

Description copied from interface: WritableDBIDDataStore

Setter, but using materialized DBIDs.

Specified by:

put in interface WritableDataStore<DBID>

Specified by:

put in interface WritableDBIDDataStore

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

putDBID

public void putDBID(DBIDRef id,
                    DBIDRef value)

Description copied from interface: WritableDBIDDataStore

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:

putDBID in interface WritableDBIDDataStore

Parameters:

id - Database ID.

value - Value to store.

put

public void put(DBIDRef id,
                DBIDRef value)

Description copied from interface: WritableDBIDDataStore

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 WritableDBIDDataStore

Parameters:

id - Database ID.

value - Value to store.

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<DBID>

clear

public void clear()

Description copied from interface: WritableDataStore

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

Specified by:

clear in interface WritableDataStore<DBID>

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<DBID>

Parameters:

id - Database ID.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object