Package org.miaixz.bus.core.center.iterator

Class IteratorChain<T>

java.lang.Object

org.miaixz.bus.core.center.iterator.IteratorChain<T>

Type Parameters:

T - 元素类型

All Implemented Interfaces:

Iterable<Iterator<T>>, Iterator<T>, Chain<Iterator<T>,IteratorChain<T>>

public class IteratorChain<T>
extends Object
implements Iterator<T>, Chain<Iterator<T>,IteratorChain<T>>

组合Iterator，将多个Iterator组合在一起，便于集中遍历

Since:

Java 17+

Author:

Kimi Liu

Field Summary

Fields

Modifier and Type	Field	Description
protected final List<Iterator<T>>	allIterators	所有的Iterator
protected int	currentIter	当前位置

Constructor Summary

Constructors

Constructor	Description
IteratorChain()	构造 可以使用 addChain(Iterator) 方法加入更多的集合。
IteratorChain(Iterator<T>... iterators)	构造

Method Summary

Modifier and Type	Method	Description
IteratorChain<T>	addChain(Iterator<T> iterator)	添加迭代器
boolean	hasNext()
Iterator<Iterator<T>>	iterator()
T	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Details

allIterators

protected final List<Iterator<T>> allIterators

所有的Iterator

currentIter

protected int currentIter

当前位置

Constructor Details

IteratorChain

public IteratorChain()

构造 可以使用 addChain(Iterator) 方法加入更多的集合。

IteratorChain

@SafeVarargs
public IteratorChain(Iterator<T>... iterators)

构造

Parameters:

iterators - 多个Iterator

Throws:

IllegalArgumentException - 当存在重复的迭代器，或添加的迭代器中存在null时抛出

Method Details

addChain

public IteratorChain<T> addChain(Iterator<T> iterator)

添加迭代器

Specified by:

addChain in interface Chain<Iterator<T>,IteratorChain<T>>

Parameters:

iterator - 迭代器

Returns:

当前实例

Throws:

IllegalArgumentException - 当迭代器被重复添加，或待添加的迭代器为null时抛出

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

remove

public void remove()

Specified by:

remove in interface Iterator<T>

iterator

public Iterator<Iterator<T>> iterator()

Specified by:

iterator in interface Iterable<T>