Class CheckedSortedSet

lib/java/util/Collections.java:3509–3570

Class represents a dynamically typesafe view of the specified sortedSet.

     * Class represents a dynamically typesafe view of the specified sortedSet.
     */
    private static class CheckedSortedSet<E> extends CheckedSet<E> implements
            SortedSet<E> {

        private static final long serialVersionUID = 1599911165492914959L;

        private SortedSet<E> ss;

        /**
         * Constructs a dynamically typesafe view of the specified sortedSet.
         * 
         * @param s -
         *            the sortedSet for which a dynamically typesafe view is to
         *            be constructed.
         */
        public CheckedSortedSet(SortedSet<E> s, Class<E> type) {
            super(s, type);
            this.ss = s;
        }

        /**
         * @see java.util.SortedSet#comparator()
         */
        public Comparator<? super E> comparator() {
            return ss.comparator();
        }

        /**
         * @see java.util.SortedSet#subSet(Object, Object)
         */
        public SortedSet<E> subSet(E fromElement, E toElement) {
            return new CheckedSortedSet<E>(ss.subSet(fromElement, toElement),
                    type);
        }

        /**
         * @see java.util.SortedSet#headSet(Object)
         */
        public SortedSet<E> headSet(E toElement) {
            return new CheckedSortedSet<E>(ss.headSet(toElement), type);
        }

        /**
         * @see java.util.SortedSet#tailSet(Object)
         */
        public SortedSet<E> tailSet(E fromElement) {
            return new CheckedSortedSet<E>(ss.tailSet(fromElement), type);
        }

        /**
         * @see java.util.SortedSet#first()
         */
        public E first() {
            return ss.first();
        }

        /**
         * @see java.util.SortedSet#last()
         */