public void updateItemPref(long itemID, float prefDelta)
{
try
{
buildAverageDiffsLock.EnterReadLock();
foreach (var entry in averageDiffs.entrySet())
{
bool matchesItemID1 = itemID == entry.Key;
foreach (var entry2 in entry.Value.entrySet())
{
RunningAverage average = entry2.Value;
if (matchesItemID1)
{
average.changeDatum(-prefDelta);
}
else if (itemID == entry2.Key)
{
average.changeDatum(prefDelta);
}
}
}
// RunningAverage itemAverage = averageItemPref.get(itemID);
// if (itemAverage != null) {
// itemAverage.changeDatum(prefDelta);
// }
}
finally
{
buildAverageDiffsLock.ExitReadLock();
}
}
public override void setPreference(long userID, long itemID, float value)
{
double num;
DataModel model = this.getDataModel();
try
{
float?nullable = model.getPreferenceValue(userID, itemID);
num = !nullable.HasValue ? ((double)value) : ((double)(value - nullable.Value));
}
catch (NoSuchUserException)
{
num = value;
}
base.setPreference(userID, itemID, value);
lock (this)
{
RunningAverage average = this.itemAverages.get(itemID);
if (average == null)
{
RunningAverage average2 = new FullRunningAverage();
average2.addDatum(num);
this.itemAverages.put(itemID, average2);
}
else
{
average.changeDatum(num);
}
}
}
public void updateItemPref(long itemID, float prefDelta)
{
if (stdDevWeighted)
{
throw new Exception("Can't update only when stdDevWeighted is set");
}
try
{
buildAverageDiffsLock.EnterReadLock();
foreach (var entry in averageDiffs.entrySet())
{
bool matchesItemID1 = itemID == entry.Key;
foreach (var entry2 in entry.Value.entrySet())
{
RunningAverage average = entry2.Value;
if (matchesItemID1)
{
average.changeDatum(-prefDelta);
}
else if (itemID == entry2.Key)
{
average.changeDatum(prefDelta);
}
}
}
RunningAverage itemAverage = averageItemPref.get(itemID);
if (itemAverage != null)
{
itemAverage.changeDatum(prefDelta);
}
}
finally
{
buildAverageDiffsLock.ExitReadLock();
}
}