// this method doesn't modify _handlerTable directly because this causes a race condition.
// two threads may call this method at the same time and one of calling loses the changes it made.
// but caller uses this method like a cache update so loosing change is acceptable.
internal void AddHandler(Type type, NotificationHandlerItem handler)
{
var newTable = new Dictionary <Type, NotificationHandlerItem>(_handlerTable);
newTable.Add(type, handler);
_handlerTable = newTable;
}
// this method doesn't modify _handlerTable directly because this causes a race condition.
// two threads may call this method at the same time and one of calling loses the changes it made.
// but caller uses this method like a cache update so loosing change is acceptable.
internal void AddHandler(Type type, NotificationHandlerItem handler)
{
var newTable = new Dictionary<Type, NotificationHandlerItem>(_handlerTable);
newTable.Add(type, handler);
_handlerTable = newTable;
}
