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org.springframework.util

Class CompositeIterator<E>

  • java.lang.Object
    • org.springframework.util.CompositeIterator<E>
  • Type Parameters:
    E - the element type
    All Implemented Interfaces:
    java.util.Iterator<E>

    public class CompositeIterator<E>
extends java.lang.Object
implements java.util.Iterator<E>
    Composite iterator that combines multiple other iterators, as registered via add(Iterator).

    This implementation maintains a linked set of iterators which are invoked in sequence until all iterators are exhausted.

    Since:
    3.0
    Author:
    Erwin Vervaet, Juergen Hoeller

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      void add(java.util.Iterator<E> iterator)
      Add given iterator to this composite.
      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

      • CompositeIterator

        public CompositeIterator()

    • Method Detail

      • add

        public void add(java.util.Iterator<E> iterator)
        Add given iterator to this composite.

      • 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>
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