de.lmu.ifi.dbs.elki.datasource.filter

Class FixedDBIDsFilter

java.lang.Object

de.lmu.ifi.dbs.elki.datasource.filter.AbstractStreamFilter

de.lmu.ifi.dbs.elki.datasource.filter.FixedDBIDsFilter

All Implemented Interfaces:

BundleStreamSource, ObjectFilter, StreamFilter, InspectionUtilFrequentlyScanned

public class FixedDBIDsFilter
extends AbstractStreamFilter

This filter assigns static DBIDs, based on the sequence the objects appear in the bundle by adding a column of DBID type to the bundle.

Nested Class Summary

Nested Classes

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

Nested classes/interfaces inherited from interface de.lmu.ifi.dbs.elki.datasource.bundle.BundleStreamSource

BundleStreamSource.Event

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	curid The next ID to assign
static OptionID	IDSTART_ID Optional parameter to specify the first object ID to use.
(package private) BundleMeta	meta The filtered meta

Fields inherited from class de.lmu.ifi.dbs.elki.datasource.filter.AbstractStreamFilter

source

Constructor Summary

Constructors

Constructor and Description
FixedDBIDsFilter(int startid) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
Object	data(int rnum) Access a particular object and representation.
BundleMeta	getMeta() Get the current meta data.
BundleStreamSource.Event	nextEvent() Get the next event

Methods inherited from class de.lmu.ifi.dbs.elki.datasource.filter.AbstractStreamFilter

filter, init

Methods inherited from class java.lang.Object

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

Field Detail

IDSTART_ID

public static final OptionID IDSTART_ID

Optional parameter to specify the first object ID to use.

Key: -dbc.startid

meta

BundleMeta meta

The filtered meta

curid

int curid

The next ID to assign

Constructor Detail

FixedDBIDsFilter

public FixedDBIDsFilter(int startid)

Constructor.

Parameters:

startid - ID to start enumerating with.

Method Detail

getMeta

public BundleMeta getMeta()

Description copied from interface: BundleStreamSource

Get the current meta data.

Returns:

Metadata

nextEvent

public BundleStreamSource.Event nextEvent()

Description copied from interface: BundleStreamSource

Get the next event

Returns:

Event type

data

public Object data(int rnum)

Description copied from interface: BundleStreamSource

Access a particular object and representation.

Parameters:

rnum - Representation number

Returns:

Contained data