StackedIter (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.utilities.datastructures.hierarchy.StackedIter<B,A>

Type Parameters:

A - Type of first hierarchy

B - Type of second level hierarchy

All Implemented Interfaces:

It<B>, Iter
```
public class StackedIter<B,A extends B>
extends java.lang.Object
implements It<B>
```
Filtered iterator.

Since:

0.7.0

Author:

Erich Schubert

Field Summary

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

Constructor Summary

Constructors
Constructor Description

StackedIter(It<? extends A> it1, Hierarchy<B> hier2)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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

Methods inherited from interface elki.utilities.datastructures.iterator.It
collect, filter, filter, find, forEach

- Field Detail
  - it1
```
private It<? extends A extends B> it1
```
    Iterator in primary hierarchy.
  - hier2
```
private Hierarchy<B> hier2
```
    Secondary hierarchy.
  - it2
```
private It<B> it2
```
    Iterator in secondary hierarchy.
- Constructor Detail
  - StackedIter
```
public StackedIter(It<? 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: It
    
    Access the current object.
    
    Specified by:
    
    get in interface It<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 It<B>
    
    Specified by:
    
    advance in interface Iter
    
    Returns:
    
    The iterator itself.