Package elki.utilities.datastructures.iterator

Class ConcatIt<O>

java.lang.Object

elki.utilities.datastructures.iterator.ConcatIt<O>

Type Parameters:

O - Data type

All Implemented Interfaces:

It<O>, Iter

public class ConcatIt<O>
extends java.lang.Object
implements It<O>

Concatenate multiple iterators.

Since:

0.7.5

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private int	it	Current iterator.
private It<? extends O>[]	its	Iterators

Constructor Summary

Constructors

Constructor	Description
ConcatIt(It<? extends O>... its)	Constructor.

Method Summary

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

its

private It<? extends O>[] its

Iterators

it

private int it

Current iterator.

Constructor Detail

ConcatIt

@SafeVarargs
public ConcatIt(It<? extends O>... its)

Constructor.

Parameters:

its - Iterators to concatenate

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.

get

public O get()

Description copied from interface: It

Access the current object.

Specified by:

get in interface It<O>

Returns:

Current object

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.