cn.hutool.core.collection

Class FilterIter<E>

java.lang.Object

cn.hutool.core.collection.FilterIter<E>

All Implemented Interfaces:

Iterator<E>

public class FilterIter<E>
extends Object
implements Iterator<E>

包装 Iterator并根据Filter定义，过滤元素输出
类实现来自Apache Commons Collection

Since:

5.8.0

Author:

apache commons, looly

Constructor Summary

Constructors

Constructor and Description
FilterIter(Iterator<? extends E> iterator, Filter<? super E> filter) 构造

Method Summary

Modifier and Type	Method and Description
Filter<? super E>	getFilter() 获取过滤函数
Iterator<? extends E>	getIterator() 获取被包装的Iterator
boolean	hasNext()
E	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

Constructor Detail

FilterIter

public FilterIter(Iterator<? extends E> iterator,
                  Filter<? super E> filter)

构造

Parameters:

iterator - 被包装的Iterator

filter - 过滤函数，null表示不过滤

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

next

public E next()

Specified by:

next in interface Iterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>

getIterator

public Iterator<? extends E> getIterator()

获取被包装的Iterator

Returns:

Iterator

getFilter

public Filter<? super E> getFilter()

获取过滤函数

Returns:

过滤函数，可能为null