Class ArrayRangeIterator

  • All Implemented Interfaces:
    Iterator

    public class ArrayRangeIterator
    extends Object
    implements Iterator
    Iterator class for values contained in an array range. This type of iterator can be used for any contiguous range of items in an object array.
    Version:
    1.1
    Author:
    Dennis M. Sosnoski
    • Field Detail

      • EMPTY_ITERATOR

        public static final ArrayRangeIterator EMPTY_ITERATOR
        Empty iterator used whenever possible.
      • m_array

        protected Object[] m_array
        Array supplying values for iteration.
      • m_offset

        protected int m_offset
        Offset of next iteration value.
      • m_limit

        protected int m_limit
        Ending offset for values.
    • Method Detail

      • hasNext

        public boolean hasNext()
        Check for iteration element available.
        Specified by:
        hasNext in interface Iterator
        Returns:
        true if element available, false if not
      • remove

        public void remove()
        Remove element from iteration. This optional operation is not supported and always throws an exception.
        Specified by:
        remove in interface Iterator
        Throws:
        UnsupportedOperationException - for unsupported operation
      • buildIterator

        public static Iterator buildIterator​(Object[] array,
                                             int start,
                                             int limit)
        Build iterator.
        Parameters:
        array - array containing values to be iterated (may be null)
        start - starting offset in array
        limit - offset past end of values
        Returns:
        constructed iterator