Package com.carrotsearch.hppc

Class AbstractIterator<E>

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static int AT_END  
      private static int CACHED  
      private E nextElement
      The next element to be returned from next() if fetched.
      private static int NOT_CACHED  
      private int state
      Current iterator state.

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      protected E done()
      Call when done.
      protected abstract E fetch()
      Fetch next element.
      boolean hasNext()
      E next()
      void remove()
      Default implementation throws UnsupportedOperationException.

      • 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

      • AbstractIterator

        public AbstractIterator()

    • Method Detail

      • 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()
        Default implementation throws UnsupportedOperationException.
        Specified by:
        remove in interface java.util.Iterator<E>

      • fetch

        protected abstract E fetch()
        Fetch next element. The implementation must return done() when all elements have been fetched.
        Returns:
        Returns the next value for the iterator or chain-calls done().

      • done

        protected final E done()
        Call when done.
        Returns:
        Returns a unique sentinel value to indicate end-of-iteration.