public static void Update <CounterType, TotalType>(ISession session, SortedDictionary <DateTime, TotalType> dict,
GetTimestampCounter <CounterType, TotalType> getTimestampcounter,
SetTimestampCounter <CounterType, TotalType> setTimestampcounter)
where CounterType : IDbObject, new()
{
IEnumerator <CounterType> counterenumerator = session.CreateQuery(string.Format("FROM {0}", typeof(CounterType).Name))
.Enumerable <CounterType>().GetEnumerator();
while (counterenumerator.MoveNext())
{
UpdateOrDelete <CounterType, TotalType>(session, dict, counterenumerator.Current,
getTimestampcounter, setTimestampcounter);
}
SortedDictionary <DateTime, TotalType> .Enumerator remainingenumerator = dict.GetEnumerator();
while (remainingenumerator.MoveNext())
{
CounterType counter = new CounterType();
TimestampCounter <TotalType> tc = new TimestampCounter <TotalType>(
remainingenumerator.Current.Key,
remainingenumerator.Current.Value);
setTimestampcounter(counter, tc);
session.Save(counter);
}
}
private List <TransitSummarizedCounter> GetSummary <CounterType, TotalType>(
GetDt getfirst, GetDt getnext,
GetTimestampCounter <CounterType, TotalType> gettimestampcounter,
GetSummarizedCounter <TotalType> getsummarizedcounter)
{
List <TransitSummarizedCounter> result = new List <TransitSummarizedCounter>();
DateTime now = DateTime.UtcNow;
DateTime ts = getfirst(now);
while (ts <= now)
{
DateTime ts_current = new DateTime(ts.Year, ts.Month, ts.Day, 0, 0, 0);
CounterType c = Session.CreateCriteria(typeof(CounterType))
.Add(Expression.Eq("Timestamp", ts_current))
.UniqueResult <CounterType>();
TransitSummarizedCounter tsc = null;
if (c == null)
{
tsc = new TransitSummarizedCounter(ts_current, 0);
}
else
{
TimestampCounter <TotalType> tc = gettimestampcounter(c);
tsc = getsummarizedcounter(tc);
}
result.Add(tsc);
ts = getnext(ts);
}
return(result);
}
public static void UpdateOrDelete <CounterType, TotalType>(ISession session, SortedDictionary <DateTime, TotalType> dict, CounterType instance,
GetTimestampCounter <CounterType, TotalType> getTimestampcounter,
SetTimestampCounter <CounterType, TotalType> setTimestampcounter)
{
TotalType total = default(TotalType);
TimestampCounter <TotalType> tc = getTimestampcounter(instance);
if (dict.TryGetValue(tc.Timestamp, out total))
{
if (!total.Equals(tc.Total))
{
tc.Total = total;
setTimestampcounter(instance, tc);
session.Save(instance);
}
dict.Remove(tc.Timestamp);
}
else
{
session.Delete(instance);
}
}