Package elki.datasource

Class PresortedBlindJoinDatabaseConnection

java.lang.Object

elki.datasource.AbstractDatabaseConnection

elki.datasource.PresortedBlindJoinDatabaseConnection

All Implemented Interfaces:

elki.datasource.DatabaseConnection

@Description("Blindly joins multiple data sources, assuming they are ordered the same way.")
public class PresortedBlindJoinDatabaseConnection
extends AbstractDatabaseConnection

Joins multiple data sources by their existing order. Make sure the data sources are ordered appropriately!

Since:

0.5.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PresortedBlindJoinDatabaseConnection.Par	Parameterization class.

Field Summary

Fields

Modifier and Type	Field	Description
private static elki.logging.Logging	LOG	Logger
protected java.util.List<? extends elki.datasource.DatabaseConnection>	sources	The filters to invoke

Fields inherited from class elki.datasource.AbstractDatabaseConnection

filters, LABEL_CONCATENATION

Constructor Summary

Constructors

Constructor	Description
PresortedBlindJoinDatabaseConnection(java.util.List<? extends elki.datasource.filter.ObjectFilter> filters, java.util.List<? extends elki.datasource.DatabaseConnection> sources)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected elki.logging.Logging	getLogger()	Get the logger for this database connection.
elki.datasource.bundle.MultipleObjectsBundle	loadData()

Methods inherited from class 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 elki.logging.Logging LOG

Logger

sources

protected final java.util.List<? extends elki.datasource.DatabaseConnection> sources

The filters to invoke

Constructor Detail

PresortedBlindJoinDatabaseConnection

public PresortedBlindJoinDatabaseConnection(java.util.List<? extends elki.datasource.filter.ObjectFilter> filters,
                                            java.util.List<? extends elki.datasource.DatabaseConnection> sources)

Constructor.

Parameters:

filters - Filters to use.

sources - Data sources to join.

Method Detail

loadData

public elki.datasource.bundle.MultipleObjectsBundle loadData()

getLogger

protected elki.logging.Logging getLogger()

Description copied from class: AbstractDatabaseConnection

Get the logger for this database connection.

Specified by:

getLogger in class AbstractDatabaseConnection

Returns:

Logger