Class FakeShuffleOrder

  • All Implemented Interfaces:
    ShuffleOrder

    public final class FakeShuffleOrder
    extends Object
    implements ShuffleOrder
    Fake ShuffleOrder which returns a reverse order. This order is thus deterministic but different from the original order.
    • Constructor Detail

      • FakeShuffleOrder

        public FakeShuffleOrder​(int length)
    • Method Detail

      • getLength

        public int getLength()
        Description copied from interface: ShuffleOrder
        Returns length of shuffle order.
        Specified by:
        getLength in interface ShuffleOrder
      • getNextIndex

        public int getNextIndex​(int index)
        Description copied from interface: ShuffleOrder
        Returns the next index in the shuffle order.
        Specified by:
        getNextIndex in interface ShuffleOrder
        Parameters:
        index - An index.
        Returns:
        The index after index, or C.INDEX_UNSET if index is the last element.
      • getPreviousIndex

        public int getPreviousIndex​(int index)
        Description copied from interface: ShuffleOrder
        Returns the previous index in the shuffle order.
        Specified by:
        getPreviousIndex in interface ShuffleOrder
        Parameters:
        index - An index.
        Returns:
        The index before index, or C.INDEX_UNSET if index is the first element.
      • cloneAndInsert

        public ShuffleOrder cloneAndInsert​(int insertionIndex,
                                           int insertionCount)
        Description copied from interface: ShuffleOrder
        Returns a copy of the shuffle order with newly inserted elements.
        Specified by:
        cloneAndInsert in interface ShuffleOrder
        Parameters:
        insertionIndex - The index in the unshuffled order at which elements are inserted.
        insertionCount - The number of elements inserted at insertionIndex.
        Returns:
        A copy of this ShuffleOrder with newly inserted elements.
      • cloneAndRemove

        public ShuffleOrder cloneAndRemove​(int indexFrom,
                                           int indexToExclusive)
        Description copied from interface: ShuffleOrder
        Returns a copy of the shuffle order with a range of elements removed.
        Specified by:
        cloneAndRemove in interface ShuffleOrder
        Parameters:
        indexFrom - The starting index in the unshuffled order of the range to remove.
        indexToExclusive - The smallest index (must be greater or equal to indexFrom) that will not be removed.
        Returns:
        A copy of this ShuffleOrder without the elements in the removed range.