de.lmu.ifi.dbs.elki.datasource
Class InputStreamDatabaseConnection

java.lang.Object
  de.lmu.ifi.dbs.elki.datasource.AbstractDatabaseConnection
      de.lmu.ifi.dbs.elki.datasource.InputStreamDatabaseConnection

All Implemented Interfaces:

DatabaseConnection, InspectionUtilFrequentlyScanned, Parameterizable

Direct Known Subclasses:

FileBasedDatabaseConnection

@Title(value="Input-Stream based database connection")
@Description(value="Parse an input stream such as STDIN into a database.")
public class InputStreamDatabaseConnection
extends AbstractDatabaseConnection

Provides a database connection expecting input from an input stream such as stdin.

Nested Class Summary

static class

InputStreamDatabaseConnection.Parameterizer Parameterization class.

Field Summary

(package private) InputStream	in The input stream to parse from.
private static Logging	logger The logger for this class.
(package private) Parser	parser Holds the instance of the parser.
static OptionID	PARSER_ID Parameter to specify the parser to provide a database.

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

filters, FILTERS_ID, LABEL_CONCATENATION

Constructor Summary

InputStreamDatabaseConnection(List<ObjectFilter> filters, Parser parser)
Constructor.

Method Summary

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

invokeFilters

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final Logging logger

The logger for this class.

PARSER_ID

public static final OptionID PARSER_ID

Parameter to specify the parser to provide a database.

Key: -dbc.parser

parser

Parser parser

Holds the instance of the parser.

in

InputStream in

The input stream to parse from.

Constructor Detail

InputStreamDatabaseConnection

public InputStreamDatabaseConnection(List<ObjectFilter> filters,
                                     Parser parser)

Constructor.

Parameters:

filters - Filters to use

parser - the parser to provide a database

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