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

Class RangeIDMap

java.lang.Object

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

All Implemented Interfaces:

DataStoreIDMap

public class RangeIDMap
extends Object
implements DataStoreIDMap

Mapping a static DBID range to storage IDs.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) DBIDRange	range Start offset

Constructor Summary

Constructors

Constructor and Description
RangeIDMap(DBIDRange range) Constructor from a static DBID range allocation.

Method Summary

Methods

Modifier and Type	Method and Description
int	map(DBIDRef dbid) Map a DBID to a database id.

Methods inherited from class java.lang.Object

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

Field Detail

range

final DBIDRange range

Start offset

Constructor Detail

RangeIDMap

public RangeIDMap(DBIDRange range)

Constructor from a static DBID range allocation.

Parameters:

range - DBID range to use

Method Detail

map

public int map(DBIDRef dbid)

Description copied from interface: DataStoreIDMap

Map a DBID to a database id.

Specified by:

map in interface DataStoreIDMap

Parameters:

dbid - DBID

Returns:

record id id >= 0