int IEqualityComparer <T> .GetHashCode(T obj)
{
WeakObject wobj = obj as WeakObject;
if (wobj != null)
{
return(wobj.GetHashCode());
}
return((obj == null) ? 0 : RuntimeHelpers.GetHashCode(obj));
}
bool IEqualityComparer <T> .Equals(T x, T y)
{
WeakObject wx = x as WeakObject;
if (wx != null)
{
x = (T)wx.Target;
}
WeakObject wy = y as WeakObject;
if (wy != null)
{
y = (T)wy.Target;
}
return(Object.Equals(x, y));
}
public T GetObjectFromId(int id)
{
object ret;
if (_dict.TryGetValue(id, out ret))
{
WeakObject weakObj = ret as WeakObject;
if (weakObj != null)
{
return((T)weakObj.Target);
}
if (ret is T)
{
return((T)ret);
}
throw new InvalidOperationException("Unexpected dictionary content: type " + ret.GetType());
}
else
{
return(default(T));
}
}