Package com.google.common.collect

Class Iterators.PeekingImpl<E>

  • All Implemented Interfaces:
    PeekingIterator<E>, java.util.Iterator<E>
    Enclosing class:
    Iterators
    private static class Iterators.PeekingImpl<E>
extends java.lang.Object
implements PeekingIterator<E>
    Implementation of PeekingIterator that avoids peeking unless necessary.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private boolean hasPeeked  
      private java.util.Iterator<? extends E> iterator  
      private E peekedElement  

    • Constructor Summary

      Constructors 
      Constructor Description
      PeekingImpl​(java.util.Iterator<? extends E> iterator)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean hasNext()  
      E next()
      E peek()
      Returns the next element in the iteration, without advancing the iteration.
      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

    • Field Detail

      • iterator

        private final java.util.Iterator<? extends E> iterator

      • hasPeeked

        private boolean hasPeeked

      • peekedElement

        private E peekedElement

    • Constructor Detail

      • PeekingImpl

        public PeekingImpl​(java.util.Iterator<? extends E> iterator)