org.dromara.hutool.core.collection.iter

Class IterChain<T>

java.lang.Object

org.dromara.hutool.core.collection.iter.IterChain<T>

Type Parameters:

T - 元素类型

All Implemented Interfaces:

Iterable<Iterator<T>>, Iterator<T>, Chain<Iterator<T>,IterChain<T>>

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

组合Iterator，将多个Iterator组合在一起，便于集中遍历。
来自Jodd

Author:

looly, jodd

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
IterChain<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.util.Iterator

forEachRemaining

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

allIterators

protected final List<Iterator<T>> allIterators

所有的Iterator

currentIter

protected int currentIter

当前位置

Constructor Detail

IterChain

public IterChain()

构造 可以使用 addChain(Iterator) 方法加入更多的集合。

IterChain

@SafeVarargs
public IterChain(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 Detail

addChain

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

添加迭代器

Specified by:

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