BundleDatabaseConnection (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.datasource.AbstractDatabaseConnection
- - 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.

Since:

0.5.5

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class BundleDatabaseConnection.Par
Parameterization class.

Field Summary

Fields
Modifier and Type Field Description

private java.nio.file.Path infile
File to load.

private static Logging LOG
Class logger.
- Fields inherited from class elki.datasource.AbstractDatabaseConnection
  filters, LABEL_CONCATENATION

Constructor Summary

Constructors
Constructor Description

BundleDatabaseConnection(java.util.List<? extends ObjectFilter> filters, java.nio.file.Path infile)
Constructor.

Method Summary

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

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 Logging LOG
```
    Class logger.
  - infile
```
private java.nio.file.Path infile
```
    File to load.
- Constructor Detail
  - BundleDatabaseConnection
```
public BundleDatabaseConnection(java.util.List<? extends ObjectFilter> filters,
                                java.nio.file.Path 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