private static void Test_Mef()
{
var asmCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var container = new CompositionContainer(asmCatalog, true);
var mi1 = new MultiInstanceComposer <IA>(container);
mi1.Refresh();
}
private void ReloadModulesInner()
{
const string LOG_TAG = "ReloadModules";
this.DisposeOldModules();
var container = new CompositionContainer(this.ModuleCompositionCatalog,
isThreadSafe: false);
var composer = new MultiInstanceComposer <IModule>(container);
composer.RefreshIfNeeded();
var ex = composer.Instances
.ForAllAsync((m, state) =>
{
if (m.IsDisposed)
{
return;
}
if (!m.IsInitialized)
{
var ctx = new SimpleModuleInitializeContext()
{
};
m.Initialize(ctx);
}
}, actionState: new
{
Shell = this,
}, throwExceptions: false);
if (ex != null)
{
this.Logger
.Log(msg: ex,
categories: LoggerFacadeCategories.Errors,
tag: LOG_TAG);
}
this.Modules = composer.Instances
.Where(m => m.IsInitialized &&
!m.IsDisposed)
.ToArray();
}
// Public Methods (2)
/// <summary>
/// Reloads the list of plugins.
/// </summary>
public void ReloadPlugIns()
{
try
{
var loadedPlugIns = new List <IPlugIn>();
var plugInDir = new DirectoryInfo(Path.Combine(Environment.CurrentDirectory, "PlugIns"));
if (plugInDir.Exists)
{
foreach (var file in plugInDir.GetFiles("*.dll"))
{
try
{
var asmBlob = File.ReadAllBytes(file.FullName);
var asm = Assembly.Load(asmBlob);
var catalog = new AssemblyCatalog(asm);
var ctx = new PlugInContext();
ctx.Assembly = asm;
ctx.AssemblyFile = file.FullName;
var container = new CompositionContainer(catalog,
isThreadSafe: true);
container.ComposeExportedValue <global::MarcelJoachimKloubert.DragNBatch.PlugIns.IPlugInContext>(ctx);
var instances = new MultiInstanceComposer <IPlugIn>(container);
instances.RefeshIfNeeded();
// service locator
{
var mefLocator = new ExportProviderServiceLocator(container);
var sl = new DelegateServiceLocator(mefLocator);
ctx.ServiceLocator = sl;
}
var initializedPlugIns = new List <IPlugIn>();
foreach (var i in instances.Instances)
{
try
{
i.Initialize(ctx);
initializedPlugIns.Add(i);
}
catch (Exception ex)
{
this.OnError(ex);
}
}
ctx.PlugIns = initializedPlugIns.ToArray();
loadedPlugIns.AddRange(initializedPlugIns);
}
catch (Exception ex)
{
this.OnError(ex);
}
}
}
this.PlugIns.Clear();
this.PlugIns.AddRange(loadedPlugIns);
}
catch (Exception ex)
{
this.OnError(ex);
}
}
