de.lmu.ifi.dbs.elki.datasource

Class EmptyDatabaseConnection

java.lang.Object

de.lmu.ifi.dbs.elki.datasource.AbstractDatabaseConnection

de.lmu.ifi.dbs.elki.datasource.EmptyDatabaseConnection

All Implemented Interfaces:

DatabaseConnection

@Title(value="Empty Database")
@Description(value="Dummy data source that does not provide any objects.")
public class EmptyDatabaseConnection
extends AbstractDatabaseConnection

Pseudo database that is empty.

Author:

Erich Schubert

Nested Class Summary

Nested classes/interfaces inherited from class de.lmu.ifi.dbs.elki.datasource.AbstractDatabaseConnection

AbstractDatabaseConnection.Parameterizer

Field Summary

Fields

Modifier and Type	Field and Description
private static Logging	LOG Static logger

Fields inherited from class de.lmu.ifi.dbs.elki.datasource.AbstractDatabaseConnection

filters, LABEL_CONCATENATION

Constructor Summary

Constructors

Constructor and Description
EmptyDatabaseConnection() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected Logging	getLogger() Get the logger for this database connection.
MultipleObjectsBundle	loadData() Returns the initial data for a database.

Methods inherited from class de.lmu.ifi.dbs.elki.datasource.AbstractDatabaseConnection

invokeBundleFilters, invokeStreamFilters

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

Static logger

Constructor Detail

EmptyDatabaseConnection

public EmptyDatabaseConnection()

Constructor.

Method Detail

loadData

public MultipleObjectsBundle loadData()

Description copied from interface: DatabaseConnection

Returns the initial data for a database.

Returns:

a database object bundle

getLogger

protected Logging getLogger()

Description copied from class: AbstractDatabaseConnection

Get the logger for this database connection.

Specified by:

getLogger in class AbstractDatabaseConnection

Returns:

Logger