| Package | Description | 
|---|---|
| de.lmu.ifi.dbs.elki.database.ids | Database object identification and ID group handling API. | 
| de.lmu.ifi.dbs.elki.database.ids.integer | Integer-based DBID implementation --
 do not use directly - always use  DBIDUtil. | 
| Modifier and Type | Field and Description | 
|---|---|
| static DBIDFactory | DBIDFactory. FACTORYStatic DBID factory to use. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ReusingDBIDFactorySlightly more advanced DBID management, that allows reuse of DBIDs. | 
| class  | SimpleDBIDFactorySimple DBID management, that never reuses IDs. | 
| class  | TrivialDBIDFactoryTrivial DBID management, that never reuses IDs and just gives them out in
 sequence. |