/// <summary>
///
/// </summary>
/// <param name="level"></param>
/// <returns></returns>
public FPTree GetTree(int level)
{
while (treeCache.Count < level + 1)
{
FPTree cTree = new FPTree();
treeCache.Add(cTree);
}
FPTree conditionalTree = treeCache[level];
conditionalTree.Clear();
return conditionalTree;
}
/// <summary>
///
/// </summary>
/// <param name="attr"></param>
/// <returns></returns>
public FPTree GetFirstLevelTree(int attr)
{
FPTree tree = firstLevelCache.Get(attr);
if (tree != null)
{
hits++;
return tree;
}
else
{
misses++;
FPTree conditionalTree = new FPTree();
firstLevelCache.Set(attr, conditionalTree);
return conditionalTree;
}
}