/// <summary>
/// Returns the type of the property on the specified type.
/// </summary>
/// <param name="type">The type to look for the property on.</param>
/// <param name="propertyName">The name of the property to look for.</param>
/// <returns>The type of the property specified.</returns>
private static IEdmTypeReference GetPropertyType(IEdmType type, string propertyName)
{
Debug.Assert(propertyName != null, "propertyName != null");
IEdmStructuredType structuredType = type as IEdmStructuredType;
IEdmProperty property = structuredType == null ? null : structuredType.FindProperty(propertyName);
if (property != null)
{
IEdmTypeReference propertyType = property.Type;
if (propertyType.IsNonEntityCollectionType())
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_CollectionPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (propertyType.IsStream())
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_StreamPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (propertyType.IsSpatial())
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_SpatialTypeCannotBeMapped(propertyName, type.ODataFullName()));
}
return(property.Type);
}
if (type != null && !type.IsOpenType())
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_MissingPropertyOnType(propertyName, type.ODataFullName()));
}
return(null);
}
private static IEdmTypeReference GetPropertyType(IEdmType type, string propertyName)
{
IEdmStructuredType type2 = type as IEdmStructuredType;
IEdmProperty property = (type2 == null) ? null : type2.FindProperty(propertyName);
if (property != null)
{
IEdmTypeReference typeReference = property.Type;
if (typeReference.IsNonEntityODataCollectionTypeKind())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_CollectionPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (typeReference.IsStream())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_StreamPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (typeReference.IsSpatial())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_SpatialTypeCannotBeMapped(propertyName, type.ODataFullName()));
}
return(property.Type);
}
if ((type != null) && !type.IsOpenType())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_MissingPropertyOnType(propertyName, type.ODataFullName()));
}
return(null);
}
internal static bool ResolveOperationFromList(string identifier, IEnumerable <string> parameterNames, IEdmType bindingType, IEdmModel model, out IEdmOperation matchingOperation, ODataUriResolver resolver)
{
// TODO: update code that is duplicate between operation and operation import, add more tests.
// If the previous segment is an open type, the service action name is required to be fully qualified or else we always treat it as an open property name.
if (bindingType != null)
{
// TODO: look up actual container names here?
// When using extension, there may be function call with unqualified name. So loose the restriction here.
if (bindingType.IsOpenType() && !identifier.Contains(".") && resolver.GetType() == typeof(ODataUriResolver))
{
matchingOperation = null;
return(false);
}
}
IList <IEdmOperation> candidateMatchingOperations = null;
// The extension method FindBoundOperations & FindOperations call IEdmModel.FindDeclaredBoundOperations which can be implemented by anyone and it could throw any type of exception
// so catching all of them and simply putting it in the inner exception.
try
{
if (bindingType != null)
{
candidateMatchingOperations = resolver.ResolveBoundOperations(model, identifier, bindingType).ToList();
}
else
{
candidateMatchingOperations = resolver.ResolveUnboundOperations(model, identifier).ToList();
}
}
catch (Exception exc)
{
if (ExceptionUtils.IsCatchableExceptionType(exc))
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_FoundInvalidOperation(identifier), exc);
}
throw;
}
IList <IEdmAction> foundActionsWhenLookingForFunctions = new List <IEdmAction>();
int parameterNamesCount = parameterNames.Count();
if (bindingType != null)
{
candidateMatchingOperations = candidateMatchingOperations.EnsureOperationsBoundWithBindingParameter().ToList();
}
// If the number of parameters > 0 then this has to be a function as actions can't have parameters on the uri only in the payload. Filter further by parameters in this case, otherwise don't.
if (parameterNamesCount > 0)
{
// can only be a function as only functions have parameters on the uri.
candidateMatchingOperations = candidateMatchingOperations.RemoveActions(out foundActionsWhenLookingForFunctions).FilterFunctionsByParameterNames(parameterNames, resolver.EnableCaseInsensitive).Cast <IEdmOperation>().ToList();
}
else if (bindingType != null)
{
// Filter out functions with more than one parameter. Actions should not be filtered as the parameters are in the payload not the uri
candidateMatchingOperations = candidateMatchingOperations.Where(o => (o.IsFunction() && o.Parameters.Count() == 1) || o.IsAction()).ToList();
}
else
{
// Filter out functions with any parameters
candidateMatchingOperations = candidateMatchingOperations.Where(o => (o.IsFunction() && !o.Parameters.Any()) || o.IsAction()).ToList();
}
// Only filter if there is more than one and its needed.
if (candidateMatchingOperations.Count > 1)
{
candidateMatchingOperations = candidateMatchingOperations.FilterBoundOperationsWithSameTypeHierarchyToTypeClosestToBindingType(bindingType).ToList();
}
// If any of the things returned are an action, it better be the only thing returned, and there can't be parameters in the URL
if (candidateMatchingOperations.Any(f => f.IsAction()))
{
if (candidateMatchingOperations.Count > 1)
{
if (candidateMatchingOperations.Any(o => o.IsFunction()))
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_MultipleOperationOverloads(identifier));
}
else
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_MultipleActionOverloads(identifier));
}
}
if (parameterNames.Count() != 0)
{
throw ExceptionUtil.CreateBadRequestError(ODataErrorStrings.RequestUriProcessor_SegmentDoesNotSupportKeyPredicates(identifier));
}
matchingOperation = candidateMatchingOperations.Single();
return(true);
}
if (foundActionsWhenLookingForFunctions.Count > 0)
{
throw ExceptionUtil.CreateBadRequestError(ODataErrorStrings.RequestUriProcessor_SegmentDoesNotSupportKeyPredicates(identifier));
}
if (candidateMatchingOperations.Count > 1)
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_NoSingleMatchFound(identifier, string.Join(",", parameterNames.ToArray())));
}
matchingOperation = candidateMatchingOperations.SingleOrDefault();
return(matchingOperation != null);
}
/// <summary>
/// Try to resolve a function from the given inputs.
/// </summary>
/// <param name="identifier">The identifier of the function that we're trying to find</param>
/// <param name="parameterNames">the names of the parameters to search for.</param>
/// <param name="bindingType">the type of the previous segment</param>
/// <param name="model">the model to use to look up the function import</param>
/// <param name="matchingFunctionImport">The single matching function found.</param>
/// <returns>True if a function was matched, false otherwise. Will throw if the model has illegal function imports.</returns>
internal static bool ResolveFunctionsFromList(string identifier, IList <string> parameterNames, IEdmType bindingType, IEdmModel model, out IEdmFunctionImport matchingFunctionImport)
{
DebugUtils.CheckNoExternalCallers();
// If the previous segment is an open type, the service action name is required to be fully qualified or else we always treat it as an open property name.
if (bindingType != null)
{
// TODO: look up actual container names here?
if (bindingType.IsOpenType() && !identifier.Contains("."))
{
matchingFunctionImport = null;
return(false);
}
}
// if the model implements the extensions interface, then leave resolution entirely up to the user.
var extendedModel = model as IODataUriParserModelExtensions;
if (extendedModel != null)
{
matchingFunctionImport = extendedModel.FindFunctionImportByBindingParameterType(bindingType, identifier, parameterNames);
if (matchingFunctionImport == null)
{
return(false);
}
return(true);
}
// Get all the possible functions by name and binding type
// For this method to end up NOT throwing, this call must return a single action or 1 or more functions
IList <IEdmFunctionImport> functionImports = model.FindFunctionImportsBySpecificBindingParameterType(bindingType, identifier).ToList();
if (functionImports.Count == 0)
{
matchingFunctionImport = null;
return(false);
}
Debug.Assert(functionImports != null && functionImports.Count > 0, "Should have returned at least one function import to get here.");
Debug.Assert(functionImports.All(f => f.Name == identifier.Split('.').Last()), "list of possible functions must have same name as identifier");
if (!functionImports.AllHaveEqualReturnTypeAndAttributes())
{
throw new ODataException(ODataErrorStrings.RequestUriProcessor_FoundInvalidFunctionImport(identifier));
}
// If any of the things returned are an action, it better be the only thing returned, and there can't be parameters in the URL
if (functionImports.Any(f => f.IsSideEffecting))
{
if (functionImports.Count > 1)
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_MultipleActionOverloads(identifier));
}
if (parameterNames.Count() != 0)
{
throw ExceptionUtil.CreateBadRequestError(ODataErrorStrings.RequestUriProcessor_SegmentDoesNotSupportKeyPredicates(identifier));
}
matchingFunctionImport = functionImports.Single();
return(true);
}
// Functions - resolve overloads as needed
matchingFunctionImport = ResolveOverloadsByParameterNames(functionImports, parameterNames, identifier);
return(matchingFunctionImport != null);
}
internal static bool ResolveOperationFromList(string identifier, IEnumerable<string> parameterNames, IEdmType bindingType, IEdmModel model, out IEdmOperation matchingOperation, ODataUriResolver resolver)
{
// TODO: update code that is duplicate between operation and operation import, add more tests.
// If the previous segment is an open type, the service action name is required to be fully qualified or else we always treat it as an open property name.
if (bindingType != null)
{
// TODO: look up actual container names here?
if (bindingType.IsOpenType() && !identifier.Contains("."))
{
matchingOperation = null;
return false;
}
}
IList<IEdmOperation> candidateMatchingOperations = null;
// The extension method FindBoundOperations & FindOperations call IEdmModel.FindDeclaredBoundOperations which can be implemented by anyone and it could throw any type of exception
// so catching all of them and simply putting it in the inner exception.
try
{
if (bindingType != null)
{
candidateMatchingOperations = resolver.ResolveBoundOperations(model, identifier, bindingType).ToList();
}
else
{
candidateMatchingOperations = resolver.ResolveUnboundOperations(model, identifier).ToList();
}
}
catch (Exception exc)
{
if (ExceptionUtils.IsCatchableExceptionType(exc))
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_FoundInvalidOperation(identifier), exc);
}
throw;
}
IList<IEdmAction> foundActionsWhenLookingForFunctions = new List<IEdmAction>();
int parameterNamesCount = parameterNames.Count();
if (bindingType != null)
{
candidateMatchingOperations = candidateMatchingOperations.EnsureOperationsBoundWithBindingParameter().ToList();
}
// If the number of parameters > 0 then this has to be a function as actions can't have parameters on the uri only in the payload. Filter further by parameters in this case, otherwise don't.
if (parameterNamesCount > 0)
{
// can only be a function as only functions have parameters on the uri.
candidateMatchingOperations = candidateMatchingOperations.RemoveActions(out foundActionsWhenLookingForFunctions).FilterFunctionsByParameterNames(parameterNames, resolver.EnableCaseInsensitive).Cast<IEdmOperation>().ToList();
}
else if (bindingType != null)
{
// Filter out functions with more than one parameter. Actions should not be filtered as the parameters are in the payload not the uri
candidateMatchingOperations = candidateMatchingOperations.Where(o => (o.IsFunction() && o.Parameters.Count() == 1) || o.IsAction()).ToList();
}
else
{
// Filter out functions with any parameters
candidateMatchingOperations = candidateMatchingOperations.Where(o => (o.IsFunction() && !o.Parameters.Any()) || o.IsAction()).ToList();
}
// Only filter if there is more than one and its needed.
if (candidateMatchingOperations.Count > 1)
{
candidateMatchingOperations = candidateMatchingOperations.FilterBoundOperationsWithSameTypeHierarchyToTypeClosestToBindingType(bindingType).ToList();
}
// If any of the things returned are an action, it better be the only thing returned, and there can't be parameters in the URL
if (candidateMatchingOperations.Any(f => f.IsAction()))
{
if (candidateMatchingOperations.Count > 1)
{
if (candidateMatchingOperations.Any(o => o.IsFunction()))
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_MultipleOperationOverloads(identifier));
}
else
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_MultipleActionOverloads(identifier));
}
}
if (parameterNames.Count() != 0)
{
throw ExceptionUtil.CreateBadRequestError(ODataErrorStrings.RequestUriProcessor_SegmentDoesNotSupportKeyPredicates(identifier));
}
matchingOperation = candidateMatchingOperations.Single();
return true;
}
if (foundActionsWhenLookingForFunctions.Count > 0)
{
throw ExceptionUtil.CreateBadRequestError(ODataErrorStrings.RequestUriProcessor_SegmentDoesNotSupportKeyPredicates(identifier));
}
if (candidateMatchingOperations.Count > 1)
{
throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_NoSingleMatchFound(identifier, string.Join(",", parameterNames.ToArray())));
}
matchingOperation = candidateMatchingOperations.SingleOrDefault();
return matchingOperation != null;
}
/// <summary>
/// Returns the type of the property on the specified type.
/// </summary>
/// <param name="type">The type to look for the property on.</param>
/// <param name="propertyName">The name of the property to look for.</param>
/// <returns>The type of the property specified.</returns>
private static IEdmTypeReference GetPropertyType(IEdmType type, string propertyName)
{
Debug.Assert(propertyName != null, "propertyName != null");
IEdmStructuredType structuredType = type as IEdmStructuredType;
IEdmProperty property = structuredType == null ? null : structuredType.FindProperty(propertyName);
if (property != null)
{
IEdmTypeReference propertyType = property.Type;
if (propertyType.IsNonEntityODataCollectionTypeKind())
{
throw new ODataException(o.Strings.EpmSourceTree_CollectionPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (propertyType.IsStream())
{
throw new ODataException(o.Strings.EpmSourceTree_StreamPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (propertyType.IsSpatial())
{
throw new ODataException(o.Strings.EpmSourceTree_SpatialTypeCannotBeMapped(propertyName, type.ODataFullName()));
}
return property.Type;
}
if (type != null && !type.IsOpenType())
{
throw new ODataException(o.Strings.EpmSourceTree_MissingPropertyOnType(propertyName, type.ODataFullName()));
}
return null;
}
private static IEdmTypeReference GetPropertyType(IEdmType type, string propertyName)
{
IEdmStructuredType type2 = type as IEdmStructuredType;
IEdmProperty property = (type2 == null) ? null : type2.FindProperty(propertyName);
if (property != null)
{
IEdmTypeReference typeReference = property.Type;
if (typeReference.IsNonEntityODataCollectionTypeKind())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_CollectionPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (typeReference.IsStream())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_StreamPropertyCannotBeMapped(propertyName, type.ODataFullName()));
}
if (typeReference.IsSpatial())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_SpatialTypeCannotBeMapped(propertyName, type.ODataFullName()));
}
return property.Type;
}
if ((type != null) && !type.IsOpenType())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_MissingPropertyOnType(propertyName, type.ODataFullName()));
}
return null;
}