/// <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 PFKeyValueList <K, V> Randomize()
{
PFKeyValueList <K, V> randomizedList = new PFKeyValueList <K, V>();
PFKeyValueListSorted <int, stKeyValuePair <K, V> > sortList = new PFKeyValueListSorted <int, stKeyValuePair <K, V> >();
RandomNumber rnd = new RandomNumber();
int min = 0;
int max = 200000000;
for (int i = 0; i < this.Count; i++)
{
stKeyValuePair <K, V> item = this[i];
int key = rnd.GenerateRandomNumber(min, max);
sortList.Add(key, item);
}
IEnumerator <KeyValuePair <int, stKeyValuePair <K, V> > > enumerator = sortList.GetEnumerator();
while (enumerator.MoveNext())
{
// Get current key value pair
stKeyValuePair <int, stKeyValuePair <K, V> > keyValuePair = new stKeyValuePair <int, stKeyValuePair <K, V> >(enumerator.Current.Key, enumerator.Current.Value);
randomizedList.Add(keyValuePair.Value);
}
return(randomizedList);
}
/// <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 PFKeyValueListSorted <K, V> Merge(PFKeyValueListSorted <K, V> list)
{
PFKeyValueListSorted <K, V> mergedList = new PFKeyValueListSorted <K, V>();
if (list == null)
{
return(mergedList);
}
IEnumerator <KeyValuePair <K, V> > enumerator = this.GetEnumerator();
while (enumerator.MoveNext())
{
// Get current key value pair
stKeyValuePair <K, V> keyValuePair = new stKeyValuePair <K, V>(enumerator.Current.Key, enumerator.Current.Value);
mergedList.Add(keyValuePair.Key, keyValuePair.Value);
}
IEnumerator <KeyValuePair <K, V> > enumList = list.GetEnumerator();
while (enumList.MoveNext())
{
// Get current key value pair
stKeyValuePair <K, V> keyValuePair = new stKeyValuePair <K, V>(enumList.Current.Key, enumList.Current.Value);
mergedList.Add(keyValuePair.Key, keyValuePair.Value);
}
return(mergedList);
}
/// <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 PFKeyValueListSorted <K, V> ConcatenateLists(PFList <PFKeyValueListSorted <K, V> > lists)
{
PFKeyValueListSorted <K, V> concatenatedList = new PFKeyValueListSorted <K, V>();
if (lists == null)
{
return(concatenatedList);
}
for (int listInx = 0; listInx < lists.Count; listInx++)
{
PFKeyValueListSorted <K, V> tempList = lists[listInx];
if (tempList != null)
{
IEnumerator <KeyValuePair <K, V> > enumerator = tempList.GetEnumerator();
while (enumerator.MoveNext())
{
// Get current key value pair
stKeyValuePair <K, V> keyValuePair = new stKeyValuePair <K, V>(enumerator.Current.Key, enumerator.Current.Value);
concatenatedList.Add(keyValuePair.Key, keyValuePair.Value);
}
}
}
return(concatenatedList);
}
/// <summary>
/// Converts PFKeyValueList object to PFKeyValueListSorted object.
/// </summary>
/// <param name="kvlist"></param>
/// <returns>PFKeyValueListSorted object.</returns>
public static PFKeyValueListSorted <K, V> ConvertPFKeyValueListToSortedList(PFKeyValueList <K, V> kvlist)
{
PFKeyValueListSorted <K, V> kvlistSorted = new PFKeyValueListSorted <K, V>();
kvlist.SetToBOF();
stKeyValuePair <K, V> stKeyValuePair = kvlist.FirstItem;
while (!kvlist.EOF)
{
kvlistSorted.Add(stKeyValuePair.Key, stKeyValuePair.Value);
stKeyValuePair = kvlist.NextItem;
}
return(kvlistSorted);
}
/// <summary>
/// Copies current list to a new list.
/// </summary>
/// <returns>Copy of list.</returns>
public PFKeyValueListSorted <K, V> Copy()
{
PFKeyValueListSorted <K, V> newList = new PFKeyValueListSorted <K, V>();
IEnumerator <KeyValuePair <K, V> > enumerator = this.GetEnumerator();
while (enumerator.MoveNext())
{
// Get current key value pair
stKeyValuePair <K, V> keyValuePair = new stKeyValuePair <K, V>(enumerator.Current.Key, enumerator.Current.Value);
newList.Add(keyValuePair.Key, keyValuePair.Value);
}
return(newList);
}
/// <summary>
/// Merges current list with the array of lists specified in the parameter.
/// </summary>
/// <param name="lists">Lists to merge with.</param>
/// <returns>Merged list.</returns>
public PFKeyValueListSorted <K, V> Merge(PFKeyValueListSorted <K, V>[] lists)
{
PFKeyValueListSorted <K, V> mergedList = new PFKeyValueListSorted <K, V>();
if (lists == null)
{
return(mergedList);
}
IEnumerator <KeyValuePair <K, V> > enumerator = this.GetEnumerator();
while (enumerator.MoveNext())
{
// Get current key value pair
stKeyValuePair <K, V> keyValuePair = new stKeyValuePair <K, V>(enumerator.Current.Key, enumerator.Current.Value);
mergedList.Add(keyValuePair.Key, keyValuePair.Value);
}
for (int listInx = 0; listInx < lists.Length; listInx++)
{
PFKeyValueListSorted <K, V> tempList = lists[listInx];
if (tempList != null)
{
IEnumerator <KeyValuePair <K, V> > enumTempList = tempList.GetEnumerator();
while (enumTempList.MoveNext())
{
// Get current key value pair
stKeyValuePair <K, V> keyValuePair = new stKeyValuePair <K, V>(enumTempList.Current.Key, enumTempList.Current.Value);
mergedList.Add(keyValuePair.Key, keyValuePair.Value);
}
}
}
return(mergedList);
}