public void UpdatePositiveSet(AliRecommend2DataEntities db, DateTime predictDate)
{
DateTime tomorrow = predictDate.AddDays(1);
var data = db.T_UserAction.Where(d => d.actiondate >= predictDate && d.actiondate < tomorrow && d.behaviortype == 4).Select(d => new { d.userid, d.itemid });
PositiveSet.Clear();
foreach (var record in data)
{
PositiveSet.Add(String.Format("{0},{1}", record.userid, record.itemid));
}
}
public bool CheckIsPositive(int userid, int itemid)
{
return(PositiveSet.Contains(String.Format("{0},{1}", userid, itemid)));
}
