public static int[] GetMinhashValues(BinarySearchSet <int> row, Tuple <int, int>[] allParams)
{
var result = new int[allParams.Length];
for (int i = 0; i < result.Length; i++)
{
result[i] = GetMinhashValue(row, allParams[i]);
}
return(result);
}
private static int GetMinhashValue(BinarySearchSet <int> row, Tuple <int, int> par)
{
const int length = KMeans.MAX_TERM_ID;
for (int i = 0; i < length; i++)
{
int value = GetFuncVal(i, par.Item1, par.Item2, KMeans.MAX_TERM_ID);
if (row.Contains(value))
{
return(i);
}
}
return(-1);
}
public static User GetCentroid(List <User> users)
{
var allTerms = new BinarySearchSet <int>(Comparer <int> .Default);
foreach (var user in users)
{
foreach (var term in user.terms)
{
allTerms.Add(term);
}
}
return(new User()
{
userId = -1, terms = allTerms
});
}
public BinarySearchSet <int> getList(int userId)
{
while (usersTerms.Count < userId)
{
usersTerms.Add(null);
}
if (usersTerms.Count == userId)
{
usersTerms.Add(new BinarySearchSet <int>(Comparer <int> .Default));
}
BinarySearchSet <int> list = usersTerms[userId];
if (list == null)
{
list = new BinarySearchSet <int>(Comparer <int> .Default);
usersTerms[userId] = list;
}
return(list);
}
public override void onQueryAction(QueryAction queryAction)
{
for (int i = queryAction.nUrls - 1; i >= 0; i--)
{
if (!currentDomains.Add(queryAction.domains[i]))
{
continue;
}
if (!domainsTerms.ContainsKey(queryAction.domains[i]))
{
domainsTerms.Add(queryAction.domains[i], new BinarySearchSet <int>(Comparer <int> .Default));
}
BinarySearchSet <int> domainSet = domainsTerms[queryAction.domains[i]];
for (int term = queryAction.nTerms - 1; term >= 0; term--)
{
domainSet.Add(queryAction.terms[term]);
}
}
currentDomains.Clear();
}
public UsersGroup(BinarySearchSet <int> users, BinarySearchMultiSet <Tuple <int, float> > urlsStats)
{
this.users = users;
this.urlsStats = urlsStats;
}
public override void onMetadata(Metadata metadata)
{
currentList = getList(metadata.userId);
}
public override void onBeginRead()
{
usersTerms = new List <BinarySearchSet <int> >();
currentList = null;
}
