/// <summary>
/// sort utilizing bucket sort
/// </summary>
/// <typeparam name="SubelementType">subelement type</typeparam>
/// <param name="mapper">keymapper mapping subelement items to buckets</param>
public void Sort <SubelementType>(ILKeyMapper <T1, SubelementType> mapper)
{
ILQueueList <T1, T2> ret = ILBucketSort.BucketSort <T1, SubelementType, T2>(this, null, mapper, ILBucketSort.SortMethod.ConstantLength);
this.Head = ret.Head;
this.Tail = ret.Tail;
}
/// <summary>
/// Add to start of queue
/// </summary>
/// <param name="item">item data to add to start of queue</param>
public void AddToStart(T1 item)
{
ILListItem <T1, T2> newLItem = new ILListItem <T1, T2>(item);
newLItem.Next = Head;
Head = newLItem;
m_count++;
}
/// <summary>
/// gives enumerator for internal list items (ILListItem)
/// </summary>
/// <returns>ILListItem's</returns>
IEnumerator IEnumerable.GetEnumerator()
{
ILListItem <T1, T2> curr = Head;
while (curr != null)
{
yield return(curr);
curr = curr.Next;
}
}
/// <summary>
/// Create enumerator utilizing 'foreach'
/// </summary>
/// <returns>enumerator for contained elements</returns>
public IEnumerator <T1> GetEnumerator()
{
ILListItem <T1, T2> curr = Head;
while (curr != null)
{
yield return(curr.Data);
curr = curr.Next;
}
}
/// <summary>
/// convert (copy) items to system array
/// </summary>
/// <returns>system array with items</returns>
public T1[] ToArray()
{
T1[] ret = new T1[m_count];
ILListItem <T1, T2> curr = Head;
for (int i = 0; curr != null; i++)
{
ret[i] = curr.Data;
curr = curr.Next;
}
return(ret);
}
/// <summary>
/// add indexed item at end of queue
/// </summary>
public void Enqueue(T1 item, T2 index)
{
if (Head == null)
{
Head = new ILListItem <T1, T2>(item, index);
Tail = Head;
}
else
{
ILListItem <T1, T2> newItem = new ILListItem <T1, T2>(item, index);
Tail.Next = newItem;
Tail = newItem;
}
m_count++;
}
/// <summary>
/// add item at end of queue
/// </summary>
public void Enqueue(ILListItem <T1, T2> item)
{
System.Diagnostics.Debug.Assert(item.Next == null);
if (Head == null)
{
Head = item;
Tail = item;
}
else
{
Tail.Next = item;
Tail = item;
}
m_count++;
}
/// <summary>
/// add queue list to end of this queue list
/// </summary>
/// <param name="list">queue list to be added</param>
public void Enqueue(ILQueueList <T1, T2> list)
{
if (list == null || list.Count == 0)
{
return;
}
if (Tail != null)
{
Tail.Next = list.Head;
Tail = list.Tail;
}
else
{
Head = list.Head;
Tail = list.Tail;
}
m_count += list.m_count;
}
/// <summary>
/// Remove from start of queue
/// </summary>
/// <returns>item from start of queue</returns>
public ILListItem <T1, T2> Dequeue()
{
switch (m_count)
{
case 0:
return(null);
case 1:
ILListItem <T1, T2> retIt = Head;
Head = null;
Tail = null;
m_count--;
System.Diagnostics.Debug.Assert(retIt.Next == null);
return(retIt);
default:
retIt = Head;
Head = Head.Next;
m_count--;
retIt.Next = null;
return(retIt);
}
}
/// <summary>
/// Clear this queue list from all elements
/// </summary>
public void Clear()
{
Head = null;
Tail = null;
m_count = 0;
}
/// <summary>
/// concatenate 2 queuelists
/// </summary>
/// <param name="qlist">queue list to be added at start of this queuelist</param>
public void AddToStart(ILQueueList <T1, T2> qlist)
{
m_count += qlist.m_count;
qlist.Tail.Next = Head;
Head = qlist.Head;
}
