private void DeactivateModule(ILoadableModule module)
{
try
{
if (module != null)
{
System.Diagnostics.Debug.WriteLine("Deactivated " + module.ModuleName);
this.mSelectedModule.DeactivateModule();
}
}
catch (Exception ex)
{
Utility.EventLogger.Log(LogLevel.Error, ex);
}
}
public IModule GetModule(ILoadableModule loadableModule)
{
if (loadableModule == null)
{
throw new ArgumentNullException(nameof(loadableModule));
}
var assemblyName = new AssemblyName(loadableModule.AssemblyName ?? throw new InvalidOperationException());
var assembly = _assemblyLoader.Load(assemblyName, () => new ModuleLoadContext(loadableModule.ModuleDependencyLoader));
var exportedTypes = assembly.GetExportedTypes();
var type = exportedTypes.First(FilterModuleType);
var instance = Activator.CreateInstance(type);
var module = instance as IModule;
return(module);
}
private async void SwitchActiveModules(ILoadableModule previousModule, ILoadableModule newModule, CancellationToken cancellationToken)
{
try
{
await Task.Run
(
() =>
{
lock (this)
{
DeactivateModule(previousModule);
ActivateModule(newModule);
}
}
);
}
catch (OperationCanceledException)
{
}
}
/// <summary>
/// Searches in the assembly for objects that implement the <see cref="ILoadableModule"/> interface and instantiates them.
/// </summary>
/// <param name="loadedModule">
/// Object that points to an assembly that was loaded.
/// </param>
private Task <List <ILoadableModule> > InvokeLoadableModules(Assembly loadedModule)
{
return(Task.Run
(
() =>
{
List <ILoadableModule> result = new List <ILoadableModule>();
foreach (TypeInfo definedType in loadedModule.DefinedTypes)
{
foreach (TypeInfo implementedInterface in definedType.ImplementedInterfaces)
{
if (implementedInterface == typeof(ILoadableModule))
{
try
{
ILoadableModule module = Activator.CreateInstance(definedType) as ILoadableModule;
module.InitialiseModule(this.Container);
result.Add(module);
}
catch (Exception ex)
{
Utilities.Utility.EventLogger.Log
(
LogLevel.Error,
ex,
() => String.Format(AssemblyResources.ModuleLoadingFailed, definedType.Name)
);
}
}
}
}
return result;
},
Utility.ModuleLoadCancellationToken.Token
));
}
