/// <summary>
/// Dynamically creates a factory of<see cref="THandler"/>s and adds to the given <see cref="dictionary"/>.
/// </summary>
private void AddFactory <THandler, TItem>
(
IDictionary <string, IFactory <THandler, TItem> > dictionary,
HandlerTypes handlerType,
HandlerFactoryTypeArguments typeArgs,
FieldDefinition definition
)
where THandler : IFieldHandler <TItem>
where TItem : class
{
try
{
Type typeDefinition = GetFactoryTypeDefinition(handlerType, typeArgs.IsCollection);
Type[] typeArguments = GetFactoryTypeArgs <TItem>(typeArgs, definition).ToArray();
Type factoryType = typeDefinition.MakeGenericType(typeArguments);
var autoActivator = new AutoActivator(new SubstemHandlerDependencyResolver(typeArgs.GetterExpression, definition));
var factory = (IFactory <THandler, TItem>)autoActivator.CreateInstance(factoryType);
dictionary.Add(definition.FieldName, factory);
}
catch (Exception ex)
{
string message = "Cannot add " + handlerType + " factory for this " + (typeArgs.IsCollection ? "collection" : "item");
throw new StemAttributeSetupException(message, ex);
}
}
public IRootStartInfo Get(IStemsCoreServices stemsServices, string startResourceName)
{
var autoActivator = new AutoActivator(stemsServices.DependencyResolver);
var rootType = _rootTypeDictionary.GetType(startResourceName);
var root = (Root)autoActivator.CreateInstance(rootType);
return(new DerivedRootStartInfo(root));
}
public SubstemEngineSubContextCreator(Stem <TItem> stem)
{
_stem = stem;
var autoActivator = new AutoActivator(_stem.Services.DependencyResolver);
_substem = autoActivator.CreateInstance <TSubstem>();
_substem.SetParent(_stem);
}
public IEnumerable <Type> GetStemTypes(IStemsCoreServices stemsServices)
{
var autoActivator = new AutoActivator(stemsServices.DependencyResolver);
return(_rootTypeDictionary.GetAllTypes().Select(delegate(Type rootType)
{
var root = (Root)autoActivator.CreateInstance(rootType);
return root.StartStemType;
}));
}
public IRestResource GetChild(string startResourceName)
{
IRootStartInfo startInfo = _startInfoFactory.Get(_configuration, startResourceName);
Type stemType = startInfo.GetStemType();
if (stemType == null)
{
throw new ArgumentNullException(nameof(stemType), "Root class StartStemType cannot be null.");
}
IAxis axis = startInfo.GetAxis(_configuration, _request.User);
_request.OnDispose += delegate { axis.Dispose(); };
var autoActivator = new AutoActivator(_configuration.DependencyResolver);
var stem = (Stem)autoActivator.CreateInstance(stemType);
stem.SetParent(axis);
IDataSourceCollectionCreator creator = _creatorCache.GetOrAdd(startResourceName, delegate
{
Type stemGenericBaseType = stemType.GetGenericSubclass(typeof(Stem <>));
if (stemGenericBaseType == null)
{
throw new StemStartSetupException("The Stem class does not derive from Stem<>.");
}
Type itemType = stemGenericBaseType.GenericTypeArguments[0];
Type creatorType = typeof(DataSourceCollectionCreator <>).MakeGenericType(itemType);
IDataSource dataSource = startInfo.GetDataSource(); // TODO same instance from first root reused?
return((IDataSourceCollectionCreator)Activator.CreateInstance(creatorType, dataSource));
});
return(creator.GetRestCollection(stem));
}
