de.lmu.ifi.dbs.elki.datasource

Class BundleDatabaseConnection

java.lang.Object

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

de.lmu.ifi.dbs.elki.datasource.BundleDatabaseConnection

All Implemented Interfaces:

DatabaseConnection

public class BundleDatabaseConnection
extends AbstractDatabaseConnection

Class to load a database from a bundle file. Bundle files are stored in a compact binary format along with metadata, so that parsing should be simpler, albeit the focus was on using it in on-disk indexes.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and Description
private File	infile File to load.
private static Logging	LOG Class logger.

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

filters, LABEL_CONCATENATION

Constructor Summary

Constructors

Constructor and Description
BundleDatabaseConnection(List<ObjectFilter> filters, File infile) Constructor.

Method Summary

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

Class logger.

infile

private File infile

File to load.

Constructor Detail

BundleDatabaseConnection

public BundleDatabaseConnection(List<ObjectFilter> filters,
                                File infile)

Constructor.

Parameters:

filters - Filters

infile - Input file

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