/// <summary>
/// Adds the value to the list, maintaining order.
/// </summary>
/// <remarks>
/// This is an O(n) operation in the worst-case scenario.
/// </remarks>
/// <param name="value">The value to be added to the list.</param>
public void Add(T value)
{
DoubleLinkedNode <T> newNode = CreateNode(value);
DoubleLinkedNode <T> node = mInnerList;
while (node != null && value.CompareTo(node.Value) < 1)
{
node = (DoubleLinkedNode <T>)node.Next;
}
if (node == null)
{
mInnerList = newNode;
}
else
{
node.Previous.Next = newNode;
node.Previous = newNode;
newNode.Next = node;
}
mCount++;
}
/// <summary>
/// Hook method that creates the details of the node that represents the
/// supplied <paramref name="value"/>.
/// </summary>
/// <param name="value">The value to be stored in the queue.</param>
/// <returns>The node for the queue.</returns>
protected virtual DoubleLinkedNode <T> CreateNode(T value)
{
return(DoubleLinkedNode <T> .Instance(value, null, null));
}
/// <summary>
/// Returns an instance of the node with the supplied <paramref name="value"/> and a pointer to the <paramref name="previous"/>
/// and <paramref name="next"/> nodes in the list.
/// </summary>
/// <param name="value">The value of the node.</param>
/// <param name="next">A pointer to the next node in the list.</param>
/// <param name="previous">A pointer to the previous node in the list.</param>
/// <returns>An instance of the node.</returns>
public static DoubleLinkedNode <T> Instance(T value, DoubleLinkedNode <T> next, DoubleLinkedNode <T> previous)
{
return(new DoubleLinkedNode <T>(value, next, previous));
}
/// <summary>
/// Constructor specifying the next and previous node in the list.
/// </summary>
/// <param name="value">Value being represented by this node.</param>
/// <param name="next">The next node in the list.</param>
/// <param name="previous">The previous node in the list.</param>
protected DoubleLinkedNode(T value, DoubleLinkedNode <T> next, DoubleLinkedNode <T> previous)
: base(value, next)
{
Previous = previous;
}
/// <summary>
/// Constructor specifying the next node in the list.
/// </summary>
/// <param name="value">Value being represented by this node.</param>
/// <param name="next">The next node in the list.</param>
protected DoubleLinkedNode(T value, DoubleLinkedNode <T> next)
: this(value, next, null)
{
}
/// <summary>
/// Removes all references to other <c>DoubleLinkedNode</c> instances to aid garbage collection.
/// </summary>
public override void Dispose()
{
Previous = null;
base.Dispose();
}
