internal static IContainer CreateContainerV1(IReadOnlyList <Assembly> assemblies, Type[] parts)
{
Requires.NotNull(parts, nameof(parts));
var catalogs = assemblies.Select(a => new MefV1.Hosting.AssemblyCatalog(a))
.Concat <MefV1.Primitives.ComposablePartCatalog>(new[] { new MefV1.Hosting.TypeCatalog(parts) });
var catalog = new MefV1.Hosting.AggregateCatalog(catalogs);
return(CreateContainerV1(catalog));
}
public static PluginHost Create()
{
var builder = new System.ComponentModel.Composition.Registration.RegistrationBuilder();
// addins
builder
.ForTypesDerivedFrom<IAddinContract>()
//.Export<IAddinContract>()
.ExportInterfaces()
;
// host
builder
.ForType<PluginHost>()
//.ImportProperty(x => x.Addins, b => b.AsMany())
.Export<PluginHost>()
;
var hostCatalog = new System.ComponentModel.Composition.Hosting.AssemblyCatalog(typeof(PluginHost).Assembly, builder);
var aCataog = new System.ComponentModel.Composition.Hosting.AggregateCatalog(hostCatalog);
#if false
var catalog = new System.ComponentModel.Composition.Hosting.DirectoryCatalog("addins");
aCataog.Catalogs.Add(catalog);
#else
foreach (var f in new DirectoryInfo("addins").GetFiles().Where(x => x.Name.ToLower().EndsWith(".dll")))
{
var catalog = new System.ComponentModel.Composition.Hosting.AssemblyCatalog(Assembly.LoadFile(f.FullName), builder);
aCataog.Catalogs.Add(catalog);
}
#endif
var container = new System.ComponentModel.Composition.Hosting.CompositionContainer(aCataog);
#if false
var host = new PluginHost();
container.ComposeParts(host);
return host;
#else
return container.GetExportedValue<PluginHost>();
#endif
}
static public PluginHost Create()
{
var builder = new System.ComponentModel.Composition.Registration.RegistrationBuilder();
// addins
builder
.ForTypesDerivedFrom <IAddinContract>()
//.Export<IAddinContract>()
.ExportInterfaces()
;
// host
builder
.ForType <PluginHost>()
//.ImportProperty(x => x.Addins, b => b.AsMany())
.Export <PluginHost>()
;
var hostCatalog = new System.ComponentModel.Composition.Hosting.AssemblyCatalog(typeof(PluginHost).Assembly, builder);
var aCataog = new System.ComponentModel.Composition.Hosting.AggregateCatalog(hostCatalog);
#if false
var catalog = new System.ComponentModel.Composition.Hosting.DirectoryCatalog("addins");
aCataog.Catalogs.Add(catalog);
#else
foreach (var f in new DirectoryInfo("addins").GetFiles().Where(x => x.Name.ToLower().EndsWith(".dll")))
{
var catalog = new System.ComponentModel.Composition.Hosting.AssemblyCatalog(Assembly.LoadFile(f.FullName), builder);
aCataog.Catalogs.Add(catalog);
}
#endif
var container = new System.ComponentModel.Composition.Hosting.CompositionContainer(aCataog);
#if false
var host = new PluginHost();
container.ComposeParts(host);
return(host);
#else
return(container.GetExportedValue <PluginHost>());
#endif
}
public static System.ComponentModel.Composition.Hosting.AggregateCatalog GetMefCatalogs()
{
var catalog = new System.ComponentModel.Composition.Hosting.AggregateCatalog();
// You should probably use these two lines, or the following lines, but not both. If you use
// this option you will need to ensure that the libs are all in the same directory.
catalog.Catalogs.Add(new System.ComponentModel.Composition.Hosting.DirectoryCatalog(System.IO.Path.GetDirectoryName(System.AppDomain.CurrentDomain.BaseDirectory), "*.dll"));
catalog.Catalogs.Add(new System.ComponentModel.Composition.Hosting.DirectoryCatalog(System.IO.Path.GetDirectoryName(System.AppDomain.CurrentDomain.BaseDirectory), "*.exe"));
//foreach (var assembly in System.AppDomain.CurrentDomain.GetAssemblies())
//{
// if (!assembly.FullName.StartsWith("System", StringComparison.OrdinalIgnoreCase) &&
// !assembly.FullName.StartsWith("Microsoft", StringComparison.OrdinalIgnoreCase) &&
// !assembly.FullName.StartsWith("mscorlib", StringComparison.OrdinalIgnoreCase) &&
// !assembly.FullName.StartsWith("Accessibility", StringComparison.OrdinalIgnoreCase) &&
// !assembly.FullName.StartsWith("vshost32", StringComparison.OrdinalIgnoreCase))
// {
// Console.WriteLine("Found assembly: " + assembly.FullName);
// catalog.Catalogs.Add(new System.ComponentModel.Composition.Hosting.AssemblyCatalog(assembly));
// }
//}
return(catalog);
}
private static void Main(string[] args)
{
#region MEF1
System.ComponentModel.Composition.Hosting.AggregateCatalog aggregateCatalog = new System.ComponentModel.Composition.Hosting.AggregateCatalog();
aggregateCatalog.Catalogs.Add(new System.ComponentModel.Composition.Hosting.AssemblyCatalog(typeof(Program).Assembly));
System.ComponentModel.Composition.Hosting.CompositionContainer compositionContainer = new System.ComponentModel.Composition.Hosting.CompositionContainer(aggregateCatalog);
{
ClassA classA = compositionContainer.GetExportedValue <ClassA>();
classA.Log();
classA.ClassB.Value.Log();
classA.ClassB.Value.Log();
}
{
ClassA classA = compositionContainer.GetExportedValue <ClassA>();
classA.Log();
classA.ClassB.Value.Log();
classA.ClassB.Value.Log();
}
{
ClassB classB = compositionContainer.GetExportedValue <ClassB>();
classB.Log();
classB.ClassA.Value.Log();
classB.ClassA.Value.Log();
}
{
ClassB classB = compositionContainer.GetExportedValue <ClassB>();
classB.Log();
classB.ClassA.Value.Log();
classB.ClassA.Value.Log();
}
#endregion
#region MEF2
System.Composition.Hosting.ContainerConfiguration containerConfiguration = new System.Composition.Hosting.ContainerConfiguration().WithAssembly(typeof(Program).Assembly);
System.Composition.Hosting.CompositionHost compositionHost = containerConfiguration.CreateContainer();
{
ClassA classA = compositionHost.GetExport <ClassA>();
classA.Log();
classA.ClassB.Value.Log();
classA.ClassB.Value.Log();
}
{
ClassA classA = compositionHost.GetExport <ClassA>();
classA.Log();
classA.ClassB.Value.Log();
classA.ClassB.Value.Log();
}
{
ClassB classB = compositionHost.GetExport <ClassB>();
classB.Log();
classB.ClassA.Value.Log();
classB.ClassA.Value.Log();
}
{
ClassB classB = compositionHost.GetExport <ClassB>();
classB.Log();
classB.ClassA.Value.Log();
classB.ClassA.Value.Log();
}
#endregion
}
