public void RegisterIdentitiesFromAssembly(Assembly assembly)
{
var sb = new StringBuilder();
foreach (var ic in assembly.GetTypes().Where(x => typeof(IIdentity).IsAssignableFrom(x) && !x.IsAbstract && x.IsClass))
{
var tag = EventStoreIdentity.GetTagForIdentityClass(ic);
{
var ctor = ic.Constructor(new Type[] { typeof(long) });
if (ctor == null)
{
var message = String.Format("Identity {0} must have the constructor {1}(long id)\n", ic.FullName, ic.Name);
Logger.Error(message);
sb.AppendFormat(message);
continue; //move to the next type, or everythign will crash.
}
var activator = FastReflectionHelper.GetActivator(ctor);
_longBasedFactories[tag] = (id) => (IIdentity)activator(new object[] { id });
}
}
var errors = sb.ToString();
if (!String.IsNullOrWhiteSpace(errors))
{
throw new JarvisFrameworkEngineException("Found identities with errors:\n" + errors);
}
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
var nominalType = typeof(T);
FastReflectionHelper.ObjectActivator activator;
if (!_activators.TryGetValue(nominalType, out activator))
{
var ctor = nominalType.Constructor(new Type[] { typeof(string) });
activator = FastReflectionHelper.GetActivator(ctor);
_activators[nominalType] = activator;
}
return(activator(new object[] { (string)value }));
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.String)
{
FastReflectionHelper.ObjectActivator activator;
if (!_activators.TryGetValue(objectType, out activator))
{
var ctor = objectType.Constructor(new Type[] { typeof(string) });
activator = FastReflectionHelper.GetActivator(ctor);
_activators[objectType] = activator;
}
var typedId = activator(new object[] { Convert.ToString((object)reader.Value) });
return(typedId);
}
return(null);
}
public object Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args)
{
if (context.Reader.CurrentBsonType == BsonType.Null)
{
context.Reader.ReadNull();
return(null);
}
var id = context.Reader.ReadString();
FastReflectionHelper.ObjectActivator activator;
if (!_activators.TryGetValue(args.NominalType, out activator))
{
var ctor = args.NominalType.Constructor(new Type[] { typeof(string) });
activator = FastReflectionHelper.GetActivator(ctor);
_activators[args.NominalType] = activator;
}
return(activator(new object[] { id }));
}