Class DoubleGapList.ReadOnlyList

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable, IDoubleListable
    Enclosing class:
    DoubleGapList

    protected static class DoubleGapList.ReadOnlyList
    extends DoubleGapList
    A read-only version of DoubleGapList. It is used to implement both unmodifiable and immutable lists. Note that the client cannot change the list, but the content may change if the underlying list is changed.
    See Also:
    Serialized Form
    • Field Detail

      • serialVersionUID

        private static final long serialVersionUID
        UID for serialization
        See Also:
        Constant Field Values
    • Constructor Detail

      • ReadOnlyList

        protected ReadOnlyList​(DoubleGapList that)
        Private constructor used internally.
        Parameters:
        that - list to create an immutable view of
    • Method Detail

      • doAdd

        protected boolean doAdd​(int index,
                                double elem)
        Description copied from class: IDoubleList
        Helper method for adding an element to the list. This is the only method which really adds an element. Override if you need to validity checks before adding.
        Overrides:
        doAdd in class DoubleGapList
        Parameters:
        index - index where element should be added (-1 means it is up to the implementation to choose the index)
        elem - element to add
        Returns:
        true if element has been added, false otherwise
      • doSet

        protected double doSet​(int index,
                               double elem)
        Description copied from class: IDoubleList
        Helper method for setting an element in the list. This is the only method which really sets an element. Override if you need to validity checks before setting.
        Overrides:
        doSet in class DoubleGapList
        Parameters:
        index - index where element will be placed
        elem - element to set
        Returns:
        old element which was at the position
      • doReSet

        protected double doReSet​(int index,
                                 double elem)
        Description copied from class: IDoubleList
        Sets an element at specified position. This method is used internally if existing elements will be moved etc. Override if you need to validity checks.
        Overrides:
        doReSet in class DoubleGapList
        Parameters:
        index - index where element will be placed
        elem - element to set
        Returns:
        old element which was at the position
      • doRemove

        protected double doRemove​(int index)
        Description copied from class: IDoubleList
        Helper method to remove an element. This is the only method which really removes an element. Override if you need to validity checks before removing.
        Overrides:
        doRemove in class DoubleGapList
        Parameters:
        index - index of element to remove
        Returns:
        removed element
      • doRemoveAll

        protected void doRemoveAll​(int index,
                                   int len)
        Description copied from class: IDoubleList
        Remove specified range of elements from list.
        Overrides:
        doRemoveAll in class DoubleGapList
        Parameters:
        index - index of first element to remove
        len - number of elements to remove
      • doModify

        protected void doModify()
        Description copied from class: IDoubleList
        This method is called internally before elements are allocated or freed. Override if you need to validity checks.
        Overrides:
        doModify in class IDoubleList
      • error

        private void error()
        Throw exception if an attempt is made to change an immutable list.