HashMapHierarchy.ItrAnc (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.utilities.datastructures.hierarchy.HashMapHierarchy.ItrAnc

All Implemented Interfaces:

It<O>, Iter

Enclosing class:

HashMapHierarchy<O>
```
private class HashMapHierarchy.ItrAnc
extends java.lang.Object
implements It<O>
```
Iterator over all Ancestors.

Author:

Erich Schubert

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) O`	`extra`	Additional object to return as first result.
`(package private) It<O>`	`parentiter`	Iterator over children
`(package private) It<O>`	`subiter`	Iterator of current child

Constructor Summary

Constructors
Constructor Description

ItrAnc(O start)
Constructor for descendants-only.

ItrAnc(O start, O extra)
Constructor with additional element.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`It<O>`	`advance()`	Moves the iterator forward to the next entry.
`O`	`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
  - parentiter
```
final It<O> parentiter
```
    Iterator over children
  - subiter
```
It<O> subiter
```
    Iterator of current child
  - extra
```
O extra
```
    Additional object to return as first result.
- Constructor Detail
  - ItrAnc
```
ItrAnc(O start)
```
    Constructor for descendants-only.
    
    Parameters:
    
    start - Starting element.
  - ItrAnc
```
ItrAnc(O start,
       O extra)
```
    Constructor with additional element.
    
    Parameters:
    
    start - Starting element.
    
    extra - Additional element (cannot be null).
- Method Detail
  - 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 It<O> advance()
```
    Description copied from interface: Iter
    
    Moves the iterator forward to the next entry.
    
    Specified by:
    
    advance in interface It<O>
    
    Specified by:
    
    advance in interface Iter
    
    Returns:
    
    The iterator itself.
  - get
```
public O get()
```
    Description copied from interface: It
    
    Access the current object.
    
    Specified by:
    
    get in interface It<O>
    
    Returns:
    
    Current object