de.lmu.ifi.dbs.elki.datasource

Class DBIDRangeDatabaseConnection

java.lang.Object

de.lmu.ifi.dbs.elki.datasource.DBIDRangeDatabaseConnection

All Implemented Interfaces:

DatabaseConnection

@Description(value="This class generates a sequence of DBIDs to \'load\' into a database. This is useful when using an external data matrix, and not requiring access to the actual vectors.")
public class DBIDRangeDatabaseConnection
extends Object
implements DatabaseConnection

This is a fake datasource that produces a static DBID range only. This is useful when using e.g. a distance matrix to access external data.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DBIDRangeDatabaseConnection.Parameterizer Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	count Number of records to produce
(package private) int	start Begin of interval

Constructor Summary

Constructors

Constructor and Description
DBIDRangeDatabaseConnection(int start, int count) Constructor.

Method Summary

Modifier and Type	Method and Description
MultipleObjectsBundle	loadData() Returns the initial data for a database.

Methods inherited from class java.lang.Object

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

Field Detail

start

int start

Begin of interval

count

int count

Number of records to produce

Constructor Detail

DBIDRangeDatabaseConnection

public DBIDRangeDatabaseConnection(int start,
                                   int count)

Constructor.

Parameters:

start - Starting ID

count - Number of records to produce

Method Detail

loadData

public MultipleObjectsBundle loadData()

Description copied from interface: DatabaseConnection

Returns the initial data for a database.

Specified by:

loadData in interface DatabaseConnection

Returns:

a database object bundle