Class MappingJavaIterator<S,​T>

  • Type Parameters:
    S - the type of the input items
    T - the type of the delivered item
    All Implemented Interfaces:
    java.util.Iterator<T>

    public class MappingJavaIterator<S,​T>
    extends java.lang.Object
    implements java.util.Iterator<T>
    A Java Iterator which applies a mapping function to each item in an input sequence
    • Constructor Summary

      Constructors 
      Constructor Description
      MappingJavaIterator​(java.util.Iterator<S> in, java.util.function.Function<S,​T> mapper)
      Create a mapping iterator
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean hasNext()  
      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
    • Constructor Detail

      • MappingJavaIterator

        public MappingJavaIterator​(java.util.Iterator<S> in,
                                   java.util.function.Function<S,​T> mapper)
        Create a mapping iterator
        Parameters:
        in - the input sequence
        mapper - the mapping function to be applied to each item in the input sequence to generate the corresponding item in the result sequence. If the mapping function returns null for a particular input, the item is omitted from the result sequence.
    • Method Detail

      • hasNext

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

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

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