/// <summary>
/// Merges current list with the list of lists specified in the parameter.
/// </summary>
/// <param name="lists">Lists to merge with.</param>
/// <returns>Merged list.</returns>
public PFList <T> Merge(PFList <PFList <T> > lists)
{
PFList <T> mergedList = new PFList <T>();
if (lists == null)
{
return(mergedList);
}
foreach (T item in this)
{
mergedList.Add(item);
}
for (int listInx = 0; listInx < lists.Count; listInx++)
{
PFList <T> tempList = lists[listInx];
if (tempList != null)
{
foreach (T item in tempList)
{
mergedList.Add(item);
}
}
}
return(mergedList);
}
/// <summary>
/// Produces a copy of this list in which the item order has been randomized.
/// </summary>
/// <returns>List containing items in random order.</returns>
public PFList <T> Randomize()
{
PFList <T> randomizedList = new PFList <T>();
PFKeyValueListSorted <int, T> sortList = new PFKeyValueListSorted <int, T>();
RandomNumber rnd = new RandomNumber();
int min = 0;
int max = 200000000;
for (int i = 0; i < this.Count; i++)
{
T item = this[i];
int key = rnd.GenerateRandomNumber(min, max);
sortList.Add(key, item);
}
IEnumerator <KeyValuePair <int, T> > enumerator = sortList.GetEnumerator();
while (enumerator.MoveNext())
{
// Get current key value pair
stKeyValuePair <int, T> keyValuePair = new stKeyValuePair <int, T>(enumerator.Current.Key, enumerator.Current.Value);
randomizedList.Add(keyValuePair.Value);
}
return(randomizedList);
}
/// <summary>
/// Copies current list to a new list.
/// </summary>
/// <returns>Copy of list.</returns>
public PFList <T> Copy()
{
PFList <T> newList = new PFList <T>();
foreach (T item in this)
{
newList.Add(item);
}
return(newList);
}
/// <summary>
/// Merges current list with the list specified in the parameter.
/// </summary>
/// <param name="list">List to merge with.</param>
/// <returns>Merged list.</returns>
public PFList <T> Merge(PFList <T> list)
{
PFList <T> mergedList = new PFList <T>();
if (list == null)
{
return(mergedList);
}
foreach (T item in this)
{
mergedList.Add(item);
}
foreach (T item in list)
{
mergedList.Add(item);
}
return(mergedList);
}
/// <summary>
/// Converts current instance of a PFKeyValueList object to PFList object.
/// </summary>
/// <returns>PFList object.</returns>
public PFList <stKeyValuePair <K, V> > ConvertThisToPFList()
{
PFList <stKeyValuePair <K, V> > list = new PFList <stKeyValuePair <K, V> >();
stKeyValuePair <K, V> kvp = default(stKeyValuePair <K, V>);
if (this.Count > 0)
{
this.SetToBOF();
kvp = this.FirstItem;
while (this.EOF == false)
{
list.Add(new stKeyValuePair <K, V>(kvp.Key, kvp.Value));
kvp = this.NextItem;
}
}
return(list);
}
/// <summary>
/// Routine that concatenates two or more lists into one list.
/// </summary>
/// <param name="lists">List of list objects to be concatenated.</param>
/// <returns>Concatenated list.</returns>
public static PFList <T> ConcatenateLists(PFList <PFList <T> > lists)
{
PFList <T> concatenatedList = new PFList <T>();
if (lists == null)
{
return(concatenatedList);
}
for (int listInx = 0; listInx < lists.Count; listInx++)
{
PFList <T> tempList = lists[listInx];
if (tempList != null)
{
foreach (T item in tempList)
{
concatenatedList.Add(item);
}
}
}
return(concatenatedList);
}