de.lmu.ifi.dbs.elki.utilities.datastructures.hierarchy

Class StackedIter<B,A extends B>

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.datastructures.hierarchy.StackedIter<B,A>

Type Parameters:

A - Type of first hierarchy

B - Type of second level hierarchy

All Implemented Interfaces:

Hierarchy.Iter<B>, Iter

public class StackedIter<B,A extends B>
extends Object
implements Hierarchy.Iter<B>

Filtered iterator.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
private Hierarchy<B>	hier2 Secondary hierarchy.
private Hierarchy.Iter<? extends A>	it1 Iterator in primary hierarchy.
private Hierarchy.Iter<B>	it2 Iterator in secondary hierarchy.

Constructor Summary

Constructors

Constructor and Description
StackedIter(Hierarchy.Iter<? extends A> it1, Hierarchy<B> hier2) Constructor.

Method Summary

Modifier and Type	Method and Description
StackedIter<B,A>	advance() Moves the iterator forward to the next entry.
B	get() Access the current object.
boolean	valid() Returns true if the iterator currently points to a valid object.

Methods inherited from class java.lang.Object

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

Field Detail

it1

private Hierarchy.Iter<? extends A extends B> it1

Iterator in primary hierarchy.

hier2

private Hierarchy<B> hier2

Secondary hierarchy.

it2

private Hierarchy.Iter<B> it2

Iterator in secondary hierarchy.

Constructor Detail

StackedIter

public StackedIter(Hierarchy.Iter<? extends A> it1,
                   Hierarchy<B> hier2)

Constructor.

Parameters:

it1 - Iterator in primary hierarchy

hier2 - Iterator in secondary hierarchy

Method Detail

get

public B get()

Description copied from interface: Hierarchy.Iter

Access the current object.

Specified by:

get in interface Hierarchy.Iter<B>

Returns:

Current object

valid

public boolean valid()

Description copied from interface: Iter

Returns true if the iterator currently points to a valid object.

Specified by:

valid in interface Iter

Returns:

a boolean value, whether the position is valid.

advance

public StackedIter<B,A> advance()

Description copied from interface: Iter

Moves the iterator forward to the next entry.

Specified by:

advance in interface Hierarchy.Iter<B>

Specified by:

advance in interface Iter

Returns:

The iterator itself.