static void Main()
{
var catalog = new AssemblyCatalog(typeof(Program).Assembly);
var filteredCatalog = catalog.Filter(p =>
{
var type = ReflectionModelServices.GetPartType(p).Value;
return(typeof(IClass).IsAssignableFrom(type) && // implements interface you're looking for
Attribute.IsDefined(type, typeof(ExportMetadataAttribute)) && // has ExportMetadata attribute
// check for Type == MyClassType.TypeA
type.GetCustomAttributes(typeof(ExportMetadataAttribute), true).Any(ca =>
{
var ema = (ExportMetadataAttribute)ca;
return ema.Name == "Type" && (MyClassType)ema.Value == MyClassType.TypeA;
}));
});
var container = new CompositionContainer(filteredCatalog);
MyClassConsumer mcc = new MyClassConsumer();
container.ComposeParts(mcc);
Console.WriteLine("Imported property's type: {0}", mcc.MyClass.GetType());
Console.ReadLine();
}
