internal CountedClassifier(
PropertyCollection propertyCollection,
object key,
Func <IClassifier> createFunc)
{
_countedValue = CountedValue <IClassifier> .GetOrCreate(propertyCollection, key, createFunc);
}
internal CountedTagger(
PropertyCollection propertyCollection,
object key,
Func <ITagger <TTag> > createFunc)
{
_countedValue = CountedValue <ITagger <TTag> > .GetOrCreate(propertyCollection, key, createFunc);
}
internal static CountedValue <T> GetOrCreate(
PropertyCollection propertyCollection,
object key,
Func <T> createFunc)
{
CountedValue <T> countedValue;
if (propertyCollection.TryGetPropertySafe(key, out countedValue))
{
countedValue._count++;
return(countedValue);
}
countedValue = new CountedValue <T>(propertyCollection, key, createFunc());
propertyCollection[key] = countedValue;
return(countedValue);
}