de.lmu.ifi.dbs.elki.datasource.bundle

Class StreamFromBundle

java.lang.Object

de.lmu.ifi.dbs.elki.datasource.bundle.StreamFromBundle

All Implemented Interfaces:

BundleStreamSource

public class StreamFromBundle
extends Object
implements BundleStreamSource

Convert a MultipleObjectsBundle to a stream. To use this, invoke MultipleObjectsBundle.asStream().

Author:

Erich Schubert

Nested Class Summary

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) MultipleObjectsBundle	bundle Bundle to access
(package private) int	onum Offset in bundle

Constructor Summary

Constructors

Constructor and Description
StreamFromBundle(MultipleObjectsBundle bundle) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
MultipleObjectsBundle	asMultipleObjectsBundle() Return (or collect) the stream as bundle.
boolean	assignDBID(DBIDVar var) Assign the current object ID to a DBIDVar.
Object	data(int rnum) Access a particular object and representation.
BundleMeta	getMeta() Get the current meta data.
boolean	hasDBIDs() Indicate whether the stream contains DBIDs.
BundleStreamSource.Event	nextEvent() Get the next event

Methods inherited from class java.lang.Object

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

Field Detail

bundle

MultipleObjectsBundle bundle

Bundle to access

onum

int onum

Offset in bundle

Constructor Detail

StreamFromBundle

public StreamFromBundle(MultipleObjectsBundle bundle)

Constructor.

Parameters:

bundle - Existing object bundle

Method Detail

getMeta

public BundleMeta getMeta()

Description copied from interface: BundleStreamSource

Get the current meta data.

Specified by:

getMeta in interface BundleStreamSource

Returns:

Metadata

data

public Object data(int rnum)

Description copied from interface: BundleStreamSource

Access a particular object and representation.

Specified by:

data in interface BundleStreamSource

Parameters:

rnum - Representation number

Returns:

Contained data

hasDBIDs

public boolean hasDBIDs()

Description copied from interface: BundleStreamSource

Indicate whether the stream contains DBIDs.

Specified by:

hasDBIDs in interface BundleStreamSource

Returns:

true if the stream contains DBIDs.

assignDBID

public boolean assignDBID(DBIDVar var)

Description copied from interface: BundleStreamSource

Assign the current object ID to a DBIDVar.

Specified by:

assignDBID in interface BundleStreamSource

Parameters:

var - Variable to assign the object id to

Returns:

false when no object id is available

nextEvent

public BundleStreamSource.Event nextEvent()

Description copied from interface: BundleStreamSource

Get the next event

Specified by:

nextEvent in interface BundleStreamSource

Returns:

Event type

asMultipleObjectsBundle

public MultipleObjectsBundle asMultipleObjectsBundle()

Description copied from interface: BundleStreamSource

Return (or collect) the stream as bundle.

Specified by:

asMultipleObjectsBundle in interface BundleStreamSource

Returns:

Bundle