/// <summary>
/// Remove dead entries from the data for the given source. Returns true if
/// some entries were actually removed.
/// </summary>
protected override bool Purge(object source, object data, bool purgeAll)
{
TypeRecord typeRecord = (TypeRecord)data;
bool foundDirt = typeRecord.Purge(purgeAll);
if (!purgeAll && typeRecord.IsEmpty)
{
Remove(typeRecord.Type);
}
return(foundDirt);
}
