de.lmu.ifi.dbs.elki.visualization.visualizers

Class VisualizerUtil.VectorspaceIterator

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.iterator.AbstractFilteredIterator<Relation<?>,Relation<? extends NumberVector<?,?>>>

de.lmu.ifi.dbs.elki.visualization.visualizers.VisualizerUtil.VectorspaceIterator

All Implemented Interfaces:

Iterator<Relation<? extends NumberVector<?,?>>>

Enclosing class:

VisualizerUtil

private static class VisualizerUtil.VectorspaceIterator
extends AbstractFilteredIterator<Relation<?>,Relation<? extends NumberVector<?,?>>>

Iterate over vectorspace

Field Summary

Fields

Modifier and Type	Field and Description
private Iterator<Relation<?>>	parent Parent iterator

Constructor Summary

Constructors

Constructor and Description
VisualizerUtil.VectorspaceIterator(Iterator<Relation<?>> parent)

Method Summary

Methods

Modifier and Type	Method and Description
protected Iterator<Relation<?>>	getParentIterator() Get an iterator for the actual data.
protected Relation<? extends NumberVector<?,?>>	testFilter(Relation<?> nextobj) Test the filter predicate for a new object.

Methods inherited from class de.lmu.ifi.dbs.elki.utilities.iterator.AbstractFilteredIterator

hasNext, init, next, remove

Methods inherited from class java.lang.Object

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

Field Detail

parent

private Iterator<Relation<?>> parent

Parent iterator

Constructor Detail

VisualizerUtil.VectorspaceIterator

public VisualizerUtil.VectorspaceIterator(Iterator<Relation<?>> parent)

Method Detail

getParentIterator

protected Iterator<Relation<?>> getParentIterator()

Description copied from class: AbstractFilteredIterator

Get an iterator for the actual data. Used in initialization.

Specified by:

getParentIterator in class AbstractFilteredIterator<Relation<?>,Relation<? extends NumberVector<?,?>>>

Returns:

iterator

testFilter

protected Relation<? extends NumberVector<?,?>> testFilter(Relation<?> nextobj)

Description copied from class: AbstractFilteredIterator

Test the filter predicate for a new object.

Specified by:

testFilter in class AbstractFilteredIterator<Relation<?>,Relation<? extends NumberVector<?,?>>>

Parameters:

nextobj - Object to test

Returns:

cast object when true, null otherwise