/// <summary>
/// Prepares proxy subclasses for given types, all in one new assembly. (Normally,
/// when doing one by one, each gets its own assembly.) If any of the types is
/// not suitable, you will get an <see cref="InvalidOperationException"/>.
/// </summary>
public static void PrepareTypes(Type[] types)
{
ProxyGen.Prepare(types);
foreach (var t in types.Where(typ => !_activators.ContainsKey(typ)))
{
var shT = ShieldedType(t);
_activators.TryAdd(shT, CreateActivator(shT));
}
}
/// <summary>
/// Constructs a new instance of the subtype of T generated by
/// <see cref="ShieldedType"/>. It implements backing storage
/// for all virtual properties (with virtual getters and setters) in one
/// Shielded struct container. Base setters will be called before any change,
/// and may use the getter to obtain the old value.
/// If the class has a virtual method Commute(Action), this will be overriden
/// and the override will perform the action as a commute.
/// If the class has a protected method OnChanged(string), this will be called
/// after every property change, with the property name as argument.
/// The subtype is generated once per type, and cached for future calls.
/// </summary>
public static T NewShielded <T>() where T : class, new()
{
return((T)_activators.GetOrAdd(ProxyGen.GetFor(typeof(T)), CreateActivator)());
}
/// <summary>
/// Returns true if the type is a shielded proxy type.
/// </summary>
public static bool IsProxy(Type t)
{
return(ProxyGen.IsProxy(t));
}
/// <summary>
/// Returns the proxy subtype for a given type. If arg already is a proxy type,
/// then it just returns it directly. The proxy type implements backing storage
/// for all virtual properties (with virtual getters and setters) in one
/// Shielded struct container. Base setters will be called before any change,
/// and may use the getter to obtain the old value.
/// If the class has a virtual method Commute(Action), this will be overriden
/// and the override will perform the action as a commute.
/// If the class has a protected method OnChanged(string), this will be called
/// after every property change, with the property name as argument.
/// The subtype is generated once per type, and cached for future calls.
/// </summary>
public static Type ShieldedType(Type t)
{
return(ProxyGen.GetFor(t));
}