Class ConditionalExistenceCollections.ConditionalExistenceIterator<E>

  • Type Parameters:
    E - type of elements in iterator
    All Implemented Interfaces:
    java.util.Iterator<E>
    Enclosing class:
    ConditionalExistenceCollections

    static final class ConditionalExistenceCollections.ConditionalExistenceIterator<E>
    extends java.lang.Object
    implements java.util.Iterator<E>
    Elements in this wrapper iterator only exist if they pass a condition.
    Since:
    2019-10-17
    Author:
    Adrien Hopkins
    • Field Summary

      Fields 
      Modifier and Type Field Description
      (package private) java.util.function.Predicate<E> existenceCondition  
      (package private) boolean hasNext  
      (package private) java.util.Iterator<E> iterator  
      (package private) E nextElement  
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private ConditionalExistenceIterator​(java.util.Iterator<E> iterator, java.util.function.Predicate<E> condition)
      Creates the ConditionalExistenceIterator.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      private void getAndSetNextElement()
      Gets the next element, and sets nextElement and hasNext accordingly.
      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
    • Field Detail

      • iterator

        final java.util.Iterator<E> iterator
      • existenceCondition

        final java.util.function.Predicate<E> existenceCondition
      • nextElement

        E nextElement
      • hasNext

        boolean hasNext
    • Constructor Detail

      • ConditionalExistenceIterator

        private ConditionalExistenceIterator​(java.util.Iterator<E> iterator,
                                             java.util.function.Predicate<E> condition)
        Creates the ConditionalExistenceIterator.
        Parameters:
        iterator -
        condition -
        Since:
        2019-10-17
    • Method Detail

      • getAndSetNextElement

        private void getAndSetNextElement()
        Gets the next element, and sets nextElement and hasNext accordingly.
        Since:
        2019-10-17
      • hasNext

        public boolean hasNext()
        Specified by:
        hasNext in interface java.util.Iterator<E>
      • next

        public E next()
        Specified by:
        next in interface java.util.Iterator<E>
      • remove

        public void remove()
        Specified by:
        remove in interface java.util.Iterator<E>