/// <summary>
/// Initializes a new instance of the <see cref="ODataQueryOptions"/> class based on the incoming request and some metadata information from
/// the <see cref="ODataQueryContext"/>.
/// </summary>
/// <param name="context">The <see cref="ODataQueryContext"/> which contains the <see cref="IEdmModel"/> and some type information.</param>
/// <param name="request">The incoming request message.</param>
/// <param name="assembliesResolver"></param>
public ODataQueryOptions(ODataQueryContext context, HttpRequest request, AssembliesResolver assembliesResolver)
{
if (context == null)
{
throw Error.ArgumentNull("context");
}
if (request == null)
{
throw Error.ArgumentNull("request");
}
_assembliesResolver = assembliesResolver;
Context = context;
Request = request;
RawValues = new ODataRawQueryOptions();
var queryOptionDict = request.Query.ToDictionary(p => p.Key, p => p.Value.FirstOrDefault());
_queryOptionParser = new ODataQueryOptionParser(
context.Model,
context.ElementType,
context.NavigationSource,
queryOptionDict);
BuildQueryOptions(queryOptionDict);
}
///// <summary>
///// Applies the $select and $expand query options to the given entity using the given <see cref="ODataQuerySettings"/>.
///// </summary>
///// <param name="entity">The original entity.</param>
///// <param name="settings">The <see cref="ODataQuerySettings"/> that contains all the query application related settings.</param>
///// <returns>The new entity after the $select and $expand query has been applied to.</returns>
//public object ApplyTo(object entity, ODataQuerySettings settings, string AssembliesResolver)
//{
// return ApplyTo(entity, settings, AssembliesResolver);
//}
/// <summary>
/// Applies the $select and $expand query options to the given entity using the given <see cref="ODataQuerySettings"/>.
/// </summary>
/// <param name="entity">The original entity.</param>
/// <param name="settings">The <see cref="ODataQuerySettings"/> that contains all the query application related settings.</param>
/// <param name="assembliesResolver">The name of the assembly to use.</param>
/// <returns>The new entity after the $select and $expand query has been applied to.</returns>
public object ApplyTo(object entity, ODataQuerySettings settings, AssembliesResolver assembliesResolver)
{
if (entity == null)
{
throw Error.ArgumentNull("entity");
}
if (settings == null)
{
throw Error.ArgumentNull("settings");
}
if (Context.ElementClrType == null)
{
throw Error.NotSupported(SRResources.ApplyToOnUntypedQueryOption, "ApplyTo");
}
// Ensure we have decided how to handle null propagation
ODataQuerySettings updatedSettings = settings;
if (settings.HandleNullPropagation == HandleNullPropagationOption.Default)
{
updatedSettings = new ODataQuerySettings(updatedSettings);
updatedSettings.HandleNullPropagation = HandleNullPropagationOption.True;
}
return(SelectExpandBinder.Bind(entity, updatedSettings, assembliesResolver, this));
}
//public static Type GetClrType(IEdmTypeReference edmTypeReference, IEdmModel edmModel, string assembliesResolver)
//{
// return GetClrType(edmTypeReference, edmModel, assembliesResolver);
//}
public static Type GetClrType(IEdmTypeReference edmTypeReference, IEdmModel edmModel,
AssembliesResolver assembliesResolver)
{
if (edmTypeReference == null)
{
throw Error.ArgumentNull("edmTypeReference");
}
Type primitiveClrType = _builtInTypesMapping
.Where(
kvp =>
edmTypeReference.Definition.IsEquivalentTo(kvp.Value) &&
(!edmTypeReference.IsNullable || IsNullable(kvp.Key)))
.Select(kvp => kvp.Key)
.FirstOrDefault();
if (primitiveClrType != null)
{
return(primitiveClrType);
}
else
{
return(GetClrType(edmTypeReference.Definition, edmModel, assembliesResolver));
}
}
internal static void ApplyProperty(ODataProperty property, IEdmStructuredTypeReference resourceType, object resource,
ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext, AssembliesResolver assembliesResolver)
{
IEdmProperty edmProperty = resourceType.FindProperty(property.Name);
bool isDynamicProperty = false;
string propertyName = property.Name;
if (edmProperty != null)
{
propertyName = EdmLibHelpers.GetClrPropertyName(edmProperty, readContext.Model);
}
else
{
IEdmStructuredType structuredType = resourceType.StructuredDefinition();
isDynamicProperty = structuredType != null && structuredType.IsOpen;
}
// dynamic properties have null values
IEdmTypeReference propertyType = edmProperty != null ? edmProperty.Type : null;
EdmTypeKind propertyKind;
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext,
out propertyKind);
if (isDynamicProperty)
{
SetDynamicProperty(resource, resourceType, propertyKind, propertyName, value, propertyType,
readContext, assembliesResolver);
}
else
{
SetDeclaredProperty(resource, propertyKind, propertyName, value, edmProperty, readContext, assembliesResolver);
}
}
public static void AddToCollection(this IEnumerable items, IEnumerable collection, Type elementType,
Type resourceType, string propertyName, Type propertyType, AssembliesResolver assembliesResolver)
{
Contract.Assert(items != null);
Contract.Assert(collection != null);
Contract.Assert(elementType != null);
Contract.Assert(resourceType != null);
Contract.Assert(propertyName != null);
Contract.Assert(propertyType != null);
MethodInfo addMethod = null;
IList list = collection as IList;
if (list == null)
{
addMethod = collection.GetType().GetMethod("Add", new Type[] { elementType });
if (addMethod == null)
{
string message = Error.Format(SRResources.CollectionShouldHaveAddMethod, propertyType.FullName, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
}
else if (list.GetType().IsArray)
{
string message = Error.Format(SRResources.GetOnlyCollectionCannotBeArray, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
items.AddToCollectionCore(collection, elementType, list, addMethod, assembliesResolver);
}
/// <summary>
/// Registers the Web API <see cref="IHttpController"/> types that available for the application. This
/// method uses the configured <see cref="IHttpControllerTypeResolver"/> to determine which controller
/// types to register.
/// </summary>
/// <param name="container">The container the controllers should be registered in.</param>
/// <param name="configuration">The <see cref="HttpConfiguration"/> to use to get the Controller
/// types to register.</param>
/// <param name="assemblies">The assemblies to search.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null
/// reference (Nothing in VB).</exception>
public static void RegisterWebApiControllers(this Container container, HttpConfiguration configuration,
IEnumerable <Assembly> assemblies)
{
Requires.IsNotNull(container, nameof(container));
Requires.IsNotNull(configuration, nameof(configuration));
Requires.IsNotNull(assemblies, nameof(assemblies));
IAssembliesResolver assembliesResolver = new AssembliesResolver(assemblies);
var controllerTypes = GetControllerTypesFromConfiguration(configuration, assembliesResolver);
foreach (Type controllerType in controllerTypes)
{
Registration registration = Lifestyle.Transient.CreateRegistration(controllerType, container);
if (typeof(ApiController).IsAssignableFrom(controllerType))
{
// Suppress the Disposable Transient Component warning, because Web API's controller factory
// ensures correct disposal of controllers.
registration.SuppressDiagnosticWarning(DiagnosticType.DisposableTransientComponent,
justification:
"Web API registers controllers for disposal when the request ends during the " +
"call to ApiController.ExecuteAsync.");
}
container.AddRegistration(controllerType, registration);
}
}
private static void AddToCollectionCore(this IEnumerable items, IEnumerable collection, Type elementType, IList list, MethodInfo addMethod, AssembliesResolver assembliesResolver)
{
bool isNonstandardEdmPrimitiveCollection;
EdmLibHelpers.IsNonstandardEdmPrimitive(elementType, assembliesResolver, out isNonstandardEdmPrimitiveCollection);
foreach (object item in items)
{
object element = item;
if (isNonstandardEdmPrimitiveCollection && element != null)
{
// convert non-standard edm primitives if required.
element = EdmPrimitiveHelpers.ConvertPrimitiveValue(element, elementType);
}
if (list != null)
{
list.Add(element);
}
else
{
Contract.Assert(addMethod != null);
addMethod.Invoke(collection, new object[] { element });
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ODataConventionModelBuilder"/> class.
/// </summary>
/// <param name="assembliesResolver">The assemblies resolve to use for type resolution</param>
/// <param name="isQueryCompositionMode">If the model is being built for only querying.</param>
/// <remarks>The model built if <paramref name="isQueryCompositionMode"/> is <c>true</c> has more relaxed
/// inference rules and also treats all types as entity types. This constructor is intended for use by unit testing only.</remarks>
public ODataConventionModelBuilder(AssembliesResolver assembliesResolver, bool isQueryCompositionMode)
{
if (assembliesResolver == null)
{
throw Error.ArgumentNull("AssembliesResolver");
}
Initialize(assembliesResolver, isQueryCompositionMode);
}
private Assembly[] GetAssemblies()
{
OnConfigureAssemblyResolution();
var rootPath = PlatformProvider.Current.GetAbsolutePath(ModulesPath);
var assembliesResolver = new AssembliesResolver(
new ServerAssemblySourceProvider(rootPath));
return(((IAssembliesReadOnlyResolver)assembliesResolver).GetAssemblies().ToArray());
}
public static object Bind(object entity, ODataQuerySettings settings, AssembliesResolver assembliesResolver,
SelectExpandQueryOption selectExpandQuery)
{
Contract.Assert(entity != null);
SelectExpandBinder binder = new SelectExpandBinder(settings, assembliesResolver, selectExpandQuery);
return(binder.Bind(entity));
}
public static IQueryable Bind(IQueryable queryable, ODataQuerySettings settings,
AssembliesResolver assembliesResolver, SelectExpandQueryOption selectExpandQuery)
{
Contract.Assert(queryable != null);
SelectExpandBinder binder = new SelectExpandBinder(settings, assembliesResolver, selectExpandQuery);
var bound = binder.Bind(queryable);
return(bound);
}
internal void Initialize(AssembliesResolver assembliesResolver, bool isQueryCompositionMode)
{
_isQueryCompositionMode = isQueryCompositionMode;
_configuredNavigationSources = new HashSet <INavigationSourceConfiguration>();
_mappedTypes = new HashSet <StructuralTypeConfiguration>();
_ignoredTypes = new HashSet <Type>();
ModelAliasingEnabled = true;
_allTypesWithDerivedTypeMapping = new Lazy <IDictionary <Type, List <Type> > >(
() => BuildDerivedTypesMapping(assembliesResolver),
isThreadSafe: false);
}
public static Type GetClrType(IEdmType edmType, IEdmModel edmModel, AssembliesResolver assembliesResolver)
{
IEdmSchemaType edmSchemaType = edmType as IEdmSchemaType;
Contract.Assert(edmSchemaType != null);
string typeName = edmSchemaType.FullName();
IEnumerable <Type> matchingTypes = GetMatchingTypes(typeName, assembliesResolver);
return(matchingTypes.FirstOrDefault());
}
public static void AddAssembly(this HttpConfiguration httpConfiguration, Assembly assembly)
{
Dispatcher.IAssembliesResolver existingAssembliesResolver = GetAssembliesResolver(httpConfiguration);
ICollection <Assembly> existingAssemblies = existingAssembliesResolver.GetAssemblies();
if (!existingAssemblies.Contains(assembly))
{
AssembliesResolver assembliesResolver = new AssembliesResolver(existingAssemblies);
assembliesResolver.Add(assembly);
httpConfiguration.Services.Replace(typeof(Dispatcher.IAssembliesResolver), assembliesResolver);
}
}
internal void TryAppendAssembly(byte[] rawAssembly)
{
Assembly asm;
try
{
asm = Assembly.Load(rawAssembly);
AssembliesResolver.Register(asm);
_assemblies.Add(asm);
}
catch { }
}
/// <summary>
/// Registers the Web API <see cref="IHttpController"/> types that available for the application. This
/// method uses the configured <see cref="IHttpControllerTypeResolver"/> to determine which controller
/// types to register.
/// </summary>
/// <param name="container">The container the controllers should be registered in.</param>
/// <param name="configuration">The <see cref="HttpConfiguration"/> to use to get the Controller
/// types to register.</param>
/// <param name="assemblies">The assemblies to search.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null
/// reference (Nothing in VB).</exception>
public static void RegisterWebApiControllers(this Container container, HttpConfiguration configuration,
IEnumerable <Assembly> assemblies)
{
Requires.IsNotNull(container, "container");
Requires.IsNotNull(configuration, "configuration");
Requires.IsNotNull(assemblies, "assemblies");
IAssembliesResolver assembliesResolver = new AssembliesResolver(assemblies);
var controllerTypes = GetControllerTypesFromConfiguration(configuration, assembliesResolver);
controllerTypes.ForEach(type => container.Register(type, type));
}
//public static IRouteBuilder MapODataRoute<T>(this IRouteBuilder builder, string prefix) where T : class
//{
// builder.Routes.Add(new ODataRoute(prefix, DefaultODataModelProvider.BuildEdmModel(typeof(T))));
// return builder;
//}
public static IServiceCollection AddOData <T>([NotNull] this IServiceCollection services,
Action <ODataConventionModelBuilder> after = null)
where T : class
{
services.AddOData();
var type = typeof(T);
var assemblyNames = new AssembliesResolver(type.GetTypeInfo().Assembly);
var model = DefaultODataModelProvider.BuildEdmModel(type, assemblyNames, after);
services.AddSingleton(model);
services.AddSingleton(assemblyNames);
return(services);
}
internal static void SetDynamicProperty(object resource, IEdmStructuredTypeReference resourceType,
EdmTypeKind propertyKind, string propertyName, object propertyValue, IEdmTypeReference propertyType,
ODataDeserializerContext readContext, AssembliesResolver assembliesResolver)
{
if (propertyKind == EdmTypeKind.Collection && propertyValue.GetType() != typeof(EdmComplexObjectCollection)
&& propertyValue.GetType() != typeof(EdmEnumObjectCollection))
{
SetDynamicCollectionProperty(resource, propertyName, propertyValue, propertyType.AsCollection(),
resourceType.StructuredDefinition(), readContext, assembliesResolver);
}
else
{
SetDynamicProperty(resource, propertyName, propertyValue, resourceType.StructuredDefinition(),
readContext);
}
}
// figures out if the given clr type is nonstandard edm primitive like uint, ushort, char[] etc.
// and returns the corresponding clr type to which we map like uint => long.
public static Type IsNonstandardEdmPrimitive(Type type, out bool isNonstandardEdmPrimitive,
AssembliesResolver assembliesResolver)
{
IEdmPrimitiveTypeReference edmType = GetEdmPrimitiveTypeReferenceOrNull(type);
if (edmType == null)
{
isNonstandardEdmPrimitive = false;
return(type);
}
Type reverseLookupClrType = GetClrType(edmType, EdmCoreModel.Instance, assembliesResolver);
isNonstandardEdmPrimitive = (type != reverseLookupClrType);
return(reverseLookupClrType);
}
public SelectExpandBinder(ODataQuerySettings settings, AssembliesResolver assembliesResolver,
SelectExpandQueryOption selectExpandQuery)
{
Contract.Assert(settings != null);
Contract.Assert(assembliesResolver != null);
Contract.Assert(selectExpandQuery != null);
Contract.Assert(selectExpandQuery.Context != null);
Contract.Assert(selectExpandQuery.Context.Model != null);
Contract.Assert(settings.HandleNullPropagation != HandleNullPropagationOption.Default);
_selectExpandQuery = selectExpandQuery;
_context = selectExpandQuery.Context;
_model = _context.Model;
_modelID = ModelContainer.GetModelID(_model);
_settings = settings;
_assembliesResolver = assembliesResolver;
}
private static Dictionary <Type, List <Type> > BuildDerivedTypesMapping(AssembliesResolver assembliesResolver)
{
IEnumerable <Type> allTypes =
//DefaultAssemblyPartDiscoveryProvider.
TypeHelper.GetLoadedTypes(assembliesResolver).Where(t => t.GetTypeInfo().IsVisible&& t.GetTypeInfo().IsClass&& t != typeof(object));
Dictionary <Type, List <Type> > allTypeMapping = allTypes.ToDictionary(k => k, k => new List <Type>());
foreach (Type type in allTypes)
{
List <Type> derivedTypes;
if (type.GetTypeInfo().BaseType != null && allTypeMapping.TryGetValue(type.GetTypeInfo().BaseType, out derivedTypes))
{
derivedTypes.Add(type);
}
}
return(allTypeMapping);
}
internal static void SetDeclaredProperty(object resource, EdmTypeKind propertyKind, string propertyName,
object propertyValue, IEdmProperty edmProperty, ODataDeserializerContext readContext, AssembliesResolver assembliesResolver)
{
if (propertyKind == EdmTypeKind.Collection)
{
SetCollectionProperty(resource, edmProperty, propertyValue, propertyName, assembliesResolver);
}
else
{
if (!readContext.IsUntyped)
{
if (propertyKind == EdmTypeKind.Primitive)
{
propertyValue = EdmPrimitiveHelpers.ConvertPrimitiveValue(propertyValue,
GetPropertyType(resource, propertyName));
}
}
SetProperty(resource, propertyName, propertyValue);
}
}
// TODO: Move this into AssembliesResolver and cache results
internal static IEnumerable<Type> GetLoadedTypes(AssembliesResolver assembliesResolver)
{
var result = new List<Type>();
foreach (var assembly in assembliesResolver.Assemblies)
{
// Go through all assemblies referenced by the application and search for types matching a predicate
var assemblyParts =
DefaultAssemblyPartDiscoveryProvider.DiscoverAssemblyParts(assembly.FullName)
.Select(s => (s as AssemblyPart).Assembly);
foreach (var assemblyPart in assemblyParts)
{
Type[] exportedTypes = null;
if (assemblyPart == null || assemblyPart.IsDynamic)
{
// can't call GetTypes on a null (or dynamic?) assembly
continue;
}
try
{
exportedTypes = assemblyPart.GetTypes();
}
catch (ReflectionTypeLoadException ex)
{
exportedTypes = ex.Types;
}
catch
{
continue;
}
if (exportedTypes != null)
{
result.AddRange(exportedTypes.Where(t => t != null && t.GetTypeInfo().IsVisible));
}
}
}
return result;
}
// TODO: Move this into AssembliesResolver and cache results
internal static IEnumerable <Type> GetLoadedTypes(AssembliesResolver assembliesResolver)
{
var result = new List <Type>();
foreach (var assembly in assembliesResolver.Assemblies)
{
// Go through all assemblies referenced by the application and search for types matching a predicate
var assemblyParts =
DefaultAssemblyPartDiscoveryProvider.DiscoverAssemblyParts(assembly.FullName)
.Select(s => (s as AssemblyPart).Assembly);
foreach (var assemblyPart in assemblyParts)
{
Type[] exportedTypes = null;
if (assemblyPart == null || assemblyPart.IsDynamic)
{
// can't call GetTypes on a null (or dynamic?) assembly
continue;
}
try
{
exportedTypes = assemblyPart.GetTypes();
}
catch (ReflectionTypeLoadException ex)
{
exportedTypes = ex.Types;
}
catch
{
continue;
}
if (exportedTypes != null)
{
result.AddRange(exportedTypes.Where(t => t != null && t.GetTypeInfo().IsVisible));
}
}
}
return(result);
}
/// <summary>
/// Registers the Web API <see cref="IHttpController"/> types that available for the application. This
/// method uses the configured <see cref="IHttpControllerTypeResolver"/> to determine which controller
/// types to register.
/// </summary>
/// <param name="container">The container the controllers should be registered in.</param>
/// <param name="configuration">The <see cref="HttpConfiguration"/> to use to get the Controller
/// types to register.</param>
/// <param name="assemblies">The assemblies to search.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null
/// reference (Nothing in VB).</exception>
public static void RegisterWebApiControllers(this Container container, HttpConfiguration configuration,
IEnumerable <Assembly> assemblies)
{
Requires.IsNotNull(container, "container");
Requires.IsNotNull(configuration, "configuration");
Requires.IsNotNull(assemblies, "assemblies");
IAssembliesResolver assembliesResolver = new AssembliesResolver(assemblies);
var controllerTypes = GetControllerTypesFromConfiguration(configuration, assembliesResolver);
foreach (Type controllerType in controllerTypes)
{
Registration registration = Lifestyle.Transient.CreateRegistration(controllerType, container);
// Suppress the Disposable Transient Component warning, because MVC's controller factory
// ensures correct disposal of controllers.
registration.SuppressDiagnosticWarning(DiagnosticType.DisposableTransientComponent);
container.AddRegistration(controllerType, registration);
}
}
public static void AddToCollection(this IEnumerable items, IEnumerable collection, Type elementType, string paramName, Type paramType, AssembliesResolver assembliesResolver)
{
Contract.Assert(items != null);
Contract.Assert(collection != null);
Contract.Assert(elementType != null);
Contract.Assert(paramType != null);
MethodInfo addMethod = null;
IList list = collection as IList;
if (list == null)
{
addMethod = collection.GetType().GetMethod("Add", new Type[] { elementType });
if (addMethod == null)
{
string message = Error.Format(SRResources.CollectionParameterShouldHaveAddMethod, paramType, paramName);
throw new SerializationException(message);
}
}
items.AddToCollectionCore(collection, elementType, list, addMethod, assembliesResolver);
}
public static void RegisterWebApiControllers(this IContainer container, HttpConfiguration configuration)
{
var assembliesResolver = configuration.Services.GetAssembliesResolver();
if (assembliesResolver == null)
{
throw new InvalidOperationException("Could not find AssembliesResolver");
}
var typeResolver = configuration.Services.GetHttpControllerTypeResolver();
var apiControllerType = typeof(ApiController);
var assemblies = assembliesResolver.GetAssemblies();
var cachedAssembliesResolver = new AssembliesResolver(assemblies.ToList());
var apiControllerTypes = typeResolver.GetControllerTypes(cachedAssembliesResolver).Select(t => t);
foreach (var type in apiControllerTypes)
{
container.Register(type, type);
}
}
///// <summary>
///// Applies the $select and $expand query options to the given entity using the given <see cref="ODataQuerySettings"/>.
///// </summary>
///// <param name="entity">The original entity.</param>
///// <param name="settings">The <see cref="ODataQuerySettings"/> that contains all the query application related settings.</param>
///// <returns>The new entity after the $select and $expand query has been applied to.</returns>
//public object ApplyTo(object entity, ODataQuerySettings settings, string AssembliesResolver)
//{
// return ApplyTo(entity, settings, AssembliesResolver);
//}
/// <summary>
/// Applies the $select and $expand query options to the given entity using the given <see cref="ODataQuerySettings"/>.
/// </summary>
/// <param name="entity">The original entity.</param>
/// <param name="settings">The <see cref="ODataQuerySettings"/> that contains all the query application related settings.</param>
/// <param name="assembliesResolver">The name of the assembly to use.</param>
/// <returns>The new entity after the $select and $expand query has been applied to.</returns>
public object ApplyTo(object entity, ODataQuerySettings settings, AssembliesResolver assembliesResolver)
{
if (entity == null)
{
throw Error.ArgumentNull("entity");
}
if (settings == null)
{
throw Error.ArgumentNull("settings");
}
if (Context.ElementClrType == null)
{
throw Error.NotSupported(SRResources.ApplyToOnUntypedQueryOption, "ApplyTo");
}
// Ensure we have decided how to handle null propagation
ODataQuerySettings updatedSettings = settings;
if (settings.HandleNullPropagation == HandleNullPropagationOption.Default)
{
updatedSettings = new ODataQuerySettings(updatedSettings);
updatedSettings.HandleNullPropagation = HandleNullPropagationOption.True;
}
return SelectExpandBinder.Bind(entity, updatedSettings, assembliesResolver, this);
}
internal static void SetDynamicCollectionProperty(object resource, string propertyName, object value,
IEdmCollectionTypeReference edmPropertyType, IEdmStructuredType structuredType,
ODataDeserializerContext readContext, AssembliesResolver assembliesResolver)
{
Contract.Assert(value != null);
Contract.Assert(readContext != null);
Contract.Assert(readContext.Model != null);
IEnumerable collection = value as IEnumerable;
Contract.Assert(collection != null);
Type resourceType = resource.GetType();
Type elementType = EdmLibHelpers.GetClrType(edmPropertyType.ElementType(), readContext.Model, assembliesResolver);
Type propertyType = typeof(ICollection<>).MakeGenericType(elementType);
IEnumerable newCollection;
if (CollectionDeserializationHelpers.TryCreateInstance(propertyType, edmPropertyType, elementType,
out newCollection))
{
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType, assembliesResolver);
SetDynamicProperty(resource, propertyName, newCollection, structuredType, readContext);
}
}
internal static void SetCollectionProperty(object resource, string propertyName,
IEdmCollectionTypeReference edmPropertyType, object value, bool clearCollection, AssembliesResolver assembliesResolver)
{
if (value != null)
{
IEnumerable collection = value as IEnumerable;
Contract.Assert(collection != null,
"SetCollectionProperty is always passed the result of ODataFeedDeserializer or ODataCollectionDeserializer");
Type resourceType = resource.GetType();
Type propertyType = GetPropertyType(resource, propertyName);
Type elementType;
if (!propertyType.IsCollection(out elementType))
{
string message = Error.Format(SRResources.PropertyIsNotCollection, propertyType.FullName, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
IEnumerable newCollection;
if (CanSetProperty(resource, propertyName) &&
CollectionDeserializationHelpers.TryCreateInstance(propertyType, edmPropertyType, elementType, out newCollection))
{
// settable collections
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType, assembliesResolver);
if (propertyType.IsArray)
{
newCollection = CollectionDeserializationHelpers.ToArray(newCollection, elementType);
}
SetProperty(resource, propertyName, newCollection);
}
else
{
// get-only collections.
newCollection = GetProperty(resource, propertyName) as IEnumerable;
if (newCollection == null)
{
string message = Error.Format(SRResources.CannotAddToNullCollection, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
if (clearCollection)
{
newCollection.Clear(propertyName, resourceType);
}
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType, assembliesResolver);
}
}
}
private static void AddToCollectionCore(this IEnumerable items, IEnumerable collection, Type elementType, IList list, MethodInfo addMethod, AssembliesResolver assembliesResolver)
{
bool isNonstandardEdmPrimitiveCollection;
EdmLibHelpers.IsNonstandardEdmPrimitive(elementType, assembliesResolver, out isNonstandardEdmPrimitiveCollection);
foreach (object item in items)
{
object element = item;
if (isNonstandardEdmPrimitiveCollection && element != null)
{
// convert non-standard edm primitives if required.
element = EdmPrimitiveHelpers.ConvertPrimitiveValue(element, elementType);
}
if (list != null)
{
list.Add(element);
}
else
{
Contract.Assert(addMethod != null);
addMethod.Invoke(collection, new object[] { element });
}
}
}
/// <summary>
/// Apply the filter query to the given IQueryable.
/// </summary>
/// <remarks>
/// The <see cref="ODataQuerySettings.HandleNullPropagation"/> property specifies
/// how this method should handle null propagation.
/// </remarks>
/// <param name="query">The original <see cref="IQueryable"/>.</param>
/// <param name="querySettings">The <see cref="ODataQuerySettings"/> that contains all the query application related settings.</param>
/// <param name="assembliesResolver">The assembly to use.</param>
/// <returns>The new <see cref="IQueryable"/> after the filter query has been applied to.</returns>
public IQueryable ApplyTo(IQueryable query, ODataQuerySettings querySettings, AssembliesResolver assembliesResolver)
{
if (query == null)
{
throw Error.ArgumentNull("query");
}
if (assembliesResolver == null)
{
throw Error.ArgumentNull("AssembliesResolver");
}
if (Context.ElementClrType == null)
{
throw Error.NotSupported(SRResources.ApplyToOnUntypedQueryOption, "ApplyTo");
}
var filter = FilterBinder.Bind(FilterClause, Context.ElementClrType, Context.Model, assembliesResolver, querySettings);
return(ExpressionHelpers.Where(query, filter, Context.ElementClrType));
}
internal static void SetCollectionProperty(object resource, IEdmProperty edmProperty, object value, string propertyName, AssembliesResolver assembliesResolver)
{
Contract.Assert(edmProperty != null);
SetCollectionProperty(resource, propertyName, edmProperty.Type.AsCollection(), value, false, assembliesResolver);
}
internal static void SetCollectionProperty(object resource, IEdmProperty edmProperty, object value, string propertyName, AssembliesResolver assembliesResolver)
{
Contract.Assert(edmProperty != null);
SetCollectionProperty(resource, propertyName, edmProperty.Type.AsCollection(), value, false, assembliesResolver);
}
// /// <summary>
// /// Initializes a new instance of the <see cref="ODataConventionModelBuilder"/> class.
// /// </summary>
// public ODataConventionModelBuilder(string assembliesResolver)
// {
// Initialize(
//assembliesResolver,
//isQueryCompositionMode: false
//);
// }
/// <summary>
/// Initializes a new <see cref="ODataConventionModelBuilder"/>.
/// </summary>
public ODataConventionModelBuilder(AssembliesResolver assembliesResolver)
: this(assembliesResolver, isQueryCompositionMode : false)
{
}
public static Type IsNonstandardEdmPrimitive(Type type, AssembliesResolver assembliesResolver, out bool isNonstandardEdmPrimitive)
{
return(IsNonstandardEdmPrimitive(type, out isNonstandardEdmPrimitive, assembliesResolver));
}
/// <summary>
/// Apply the filter query to the given IQueryable.
/// </summary>
/// <remarks>
/// The <see cref="ODataQuerySettings.HandleNullPropagation"/> property specifies
/// how this method should handle null propagation.
/// </remarks>
/// <param name="query">The original <see cref="IQueryable"/>.</param>
/// <param name="querySettings">The <see cref="ODataQuerySettings"/> that contains all the query application related settings.</param>
/// <param name="assembliesResolver">The assembly to use.</param>
/// <returns>The new <see cref="IQueryable"/> after the filter query has been applied to.</returns>
public IQueryable ApplyTo(IQueryable query, ODataQuerySettings querySettings, AssembliesResolver assembliesResolver)
{
if (query == null)
{
throw Error.ArgumentNull("query");
}
if (assembliesResolver == null)
{
throw Error.ArgumentNull("AssembliesResolver");
}
if (Context.ElementClrType == null)
{
throw Error.NotSupported(SRResources.ApplyToOnUntypedQueryOption, "ApplyTo");
}
var filter = FilterBinder.Bind(FilterClause, Context.ElementClrType, Context.Model, assembliesResolver, querySettings);
return ExpressionHelpers.Where(query, filter, Context.ElementClrType);
}
static void Main(string[] args)
{
Karyon.EurekaIntegration.ApplicationLifecycleController netflixoss = null;
HttpSelfHostServer server = null;
bool registered = false;
System.Diagnostics.Trace.Listeners.Add(new System.Diagnostics.ConsoleTraceListener(true));
try
{
//register application at Eureka service.
netflixoss = Karyon.EurekaIntegration.ApplicationLifecycleController.CreateInstance();
registered = netflixoss.RegisterApplicationInstance();
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.ToString());
}
if (!registered)
{
Console.WriteLine("Press Enter to quit.");
Console.ReadLine();
if (netflixoss != null)
{
netflixoss.Dispose();
}
return;
}
try
{
Console.WriteLine("Configuring instance services...");
string listenToPath = string.Format("http://{0}:{1}",
(netflixoss.AppConfig.ListenToPublic ? netflixoss.DataCenterMetadata.PublicIPv4 : netflixoss.DataCenterMetadata.LocalIPv4),
netflixoss.AppConfig.ApplicationPort.ToString());
HttpSelfHostConfiguration config = new HttpSelfHostConfiguration(listenToPath);
AssembliesResolver assemblyResolver = new AssembliesResolver();
config.Services.Replace(typeof(IAssembliesResolver), assemblyResolver);
config.IncludeErrorDetailPolicy = IncludeErrorDetailPolicy.Always;
config.Routes.MapHttpRoute("API Default", "api/{controller}");
//add Karyon.NET healthcheck API endpoint as "<root>/healthcheck"
config.Routes.MapHttpRoute("Healthcheck", "healthcheck", defaults: new { controller = "Healthcheck" });
server = new HttpSelfHostServer(config);
server.OpenAsync().Wait();
Console.WriteLine("");
Console.WriteLine("Listening to " + config.BaseAddress.ToString() + "; Press Enter to quit.");
Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.ToString());
Console.WriteLine("Press Enter to quit.");
Console.ReadLine();
}
finally
{
if (server != null)
{
server.CloseAsync();
}
try
{
if (netflixoss != null)
{
netflixoss.UnregisterApplicationInstance();
}
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.Message);
}
finally
{
if (netflixoss != null)
{
netflixoss.Dispose();
}
}
}
}
// OData formatter requires the type name of the entity that is being written if the type has derived types.
// Expression
// source is GrandChild ? "GrandChild" : ( source is Child ? "Child" : "Root" )
// Notice that the order is important here. The most derived type must be the first to check.
// If entity framework had a way to figure out the type name without selecting the whole object, we don't have to do this magic.
internal static Expression CreateTypeNameExpression(Expression source, IEdmEntityType elementType, IEdmModel model, AssembliesResolver assembliesResolver)
{
IReadOnlyList <IEdmEntityType> derivedTypes = GetAllDerivedTypes(elementType, model);
if (derivedTypes.Count == 0)
{
// no inheritance.
return(null);
}
else
{
Expression expression = Expression.Constant(elementType.FullName());
for (int i = 0; i < derivedTypes.Count; i++)
{
Type clrType = EdmLibHelpers.GetClrType(derivedTypes[i], model, assembliesResolver);
if (clrType == null)
{
throw new ODataException(Error.Format(SRResources.MappingDoesNotContainEntityType, derivedTypes[0].FullName()));
}
expression = Expression.Condition(
test: Expression.TypeIs(source, clrType),
ifTrue: Expression.Constant(derivedTypes[i].FullName()),
ifFalse: expression);
}
return(expression);
}
}
private static IEnumerable<Type> GetMatchingTypes(string edmFullName, AssembliesResolver assembliesResolver)
{
return
TypeHelper.GetLoadedTypes(assembliesResolver)
.Where(t => t.GetTypeInfo().IsPublic && t.EdmFullName() == edmFullName);
}
private static IEnumerable <Type> GetMatchingTypes(string edmFullName, AssembliesResolver assembliesResolver)
{
return
(TypeHelper.GetLoadedTypes(assembliesResolver)
.Where(t => t.GetTypeInfo().IsPublic&& t.EdmFullName() == edmFullName));
}
// figures out if the given clr type is nonstandard edm primitive like uint, ushort, char[] etc.
// and returns the corresponding clr type to which we map like uint => long.
public static Type IsNonstandardEdmPrimitive(Type type, out bool isNonstandardEdmPrimitive,
AssembliesResolver assembliesResolver)
{
IEdmPrimitiveTypeReference edmType = GetEdmPrimitiveTypeReferenceOrNull(type);
if (edmType == null)
{
isNonstandardEdmPrimitive = false;
return type;
}
Type reverseLookupClrType = GetClrType(edmType, EdmCoreModel.Instance, assembliesResolver);
isNonstandardEdmPrimitive = (type != reverseLookupClrType);
return reverseLookupClrType;
}
public static void AddToCollection(this IEnumerable items, IEnumerable collection, Type elementType,
Type resourceType, string propertyName, Type propertyType, AssembliesResolver assembliesResolver)
{
Contract.Assert(items != null);
Contract.Assert(collection != null);
Contract.Assert(elementType != null);
Contract.Assert(resourceType != null);
Contract.Assert(propertyName != null);
Contract.Assert(propertyType != null);
MethodInfo addMethod = null;
IList list = collection as IList;
if (list == null)
{
addMethod = collection.GetType().GetMethod("Add", new Type[] { elementType });
if (addMethod == null)
{
string message = Error.Format(SRResources.CollectionShouldHaveAddMethod, propertyType.FullName, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
}
else if (list.GetType().IsArray)
{
string message = Error.Format(SRResources.GetOnlyCollectionCannotBeArray, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
items.AddToCollectionCore(collection, elementType, list, addMethod, assembliesResolver);
}
public static Type IsNonstandardEdmPrimitive(Type type, AssembliesResolver assembliesResolver, out bool isNonstandardEdmPrimitive)
{
return IsNonstandardEdmPrimitive(type, out isNonstandardEdmPrimitive, assembliesResolver);
}
public static void AddToCollection(this IEnumerable items, IEnumerable collection, Type elementType, string paramName, Type paramType, AssembliesResolver assembliesResolver)
{
Contract.Assert(items != null);
Contract.Assert(collection != null);
Contract.Assert(elementType != null);
Contract.Assert(paramType != null);
MethodInfo addMethod = null;
IList list = collection as IList;
if (list == null)
{
addMethod = collection.GetType().GetMethod("Add", new Type[] { elementType });
if (addMethod == null)
{
string message = Error.Format(SRResources.CollectionParameterShouldHaveAddMethod, paramType, paramName);
throw new SerializationException(message);
}
}
items.AddToCollectionCore(collection, elementType, list, addMethod, assembliesResolver);
}
public static Type GetClrType(IEdmType edmType, IEdmModel edmModel, AssembliesResolver assembliesResolver)
{
IEdmSchemaType edmSchemaType = edmType as IEdmSchemaType;
Contract.Assert(edmSchemaType != null);
string typeName = edmSchemaType.FullName();
IEnumerable<Type> matchingTypes = GetMatchingTypes(typeName, assembliesResolver);
return matchingTypes.FirstOrDefault();
}
//public static Type GetClrType(IEdmTypeReference edmTypeReference, IEdmModel edmModel, string assembliesResolver)
//{
// return GetClrType(edmTypeReference, edmModel, assembliesResolver);
//}
public static Type GetClrType(IEdmTypeReference edmTypeReference, IEdmModel edmModel,
AssembliesResolver assembliesResolver)
{
if (edmTypeReference == null)
{
throw Error.ArgumentNull("edmTypeReference");
}
Type primitiveClrType = _builtInTypesMapping
.Where(
kvp =>
edmTypeReference.Definition.IsEquivalentTo(kvp.Value) &&
(!edmTypeReference.IsNullable || IsNullable(kvp.Key)))
.Select(kvp => kvp.Key)
.FirstOrDefault();
if (primitiveClrType != null)
{
return primitiveClrType;
}
else
{
return GetClrType(edmTypeReference.Definition, edmModel, assembliesResolver);
}
}
