public RunningAverage[] GetDiffs(Object userID, Object itemID, IList <Preference> prefs)
{
int size = prefs.Count;
RunningAverage[] result = new RunningAverage[size];
try
{
using (IDbCommand cmd = dataModel.CreateCommand(getDiffsSQL))
{
ConfigureGetDiffsCommand(cmd, itemID, userID);
if (log.IsDebugEnabled)
{
log.DebugFormat("Executing SQL query: {0}", getDiffsSQL);
}
int i = 0;
using (IDataReader rs = cmd.ExecuteReader())
{
while (rs.Read())
{
result[i++] = new FixedRunningAverage(rs.GetInt32(1), rs.GetDouble(2));
}
}
if (i != size)
{
throw new TasteException("Wrong number of prefs read from database");
}
}
}
catch (Exception sqle)
{
log.Warn("Exception while retrieving diff", sqle);
throw new TasteException(sqle);
}
return(result);
}
public RunningAverage[] GetDiffs(Object userID, Object itemID, IList<Preference> prefs)
{
int size = prefs.Count;
RunningAverage[] result = new RunningAverage[size];
try
{
using (IDbCommand cmd = dataModel.CreateCommand(getDiffsSQL))
{
ConfigureGetDiffsCommand(cmd, itemID, userID);
if (log.IsDebugEnabled)
{
log.DebugFormat("Executing SQL query: {0}", getDiffsSQL);
}
int i = 0;
using (IDataReader rs = cmd.ExecuteReader())
{
while (rs.Read())
{
result[i++] = new FixedRunningAverage(rs.GetInt32(1), rs.GetDouble(2));
}
}
if (i != size)
{
throw new TasteException("Wrong number of prefs read from database");
}
}
}
catch (Exception sqle)
{
log.Warn("Exception while retrieving diff", sqle);
throw new TasteException(sqle);
}
return result;
}
