Package org.aoju.bus.core.collection

Class FilterIterator<E>

java.lang.Object
org.aoju.bus.core.collection.FilterIterator<E>
All Implemented Interfaces:
Iterator<E>
public class FilterIterator<E> extends Object implements Iterator<E>
包装 Iterator并根据Predicate定义，过滤元素输出 类实现来自Apache Commons Collection
Since:
Java 17+
Author:
Kimi Liu

  • Constructor Details

    • FilterIterator

      public FilterIterator(Iterator<? extends E> iterator, Predicate<? super E> filter)
      构造
      Parameters:
      iterator - 被包装的Iterator
      filter - 过滤函数，null表示不过滤

  • Method Details

    • 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 Predicate<? super E> getFilter()
      获取过滤函数
      Returns:
      过滤函数，可能为null