Example #1
0
        /// <summary>
        /// Outputs an EDMX artifact to the provided XmlWriter.
        /// </summary>
        /// <param name="model">Model to be written.</param>
        /// <param name="writer">XmlWriter the generated EDMX will be written to.</param>
        /// <param name="target">Target implementation of the EDMX being generated.</param>
        /// <param name="errors">Errors that prevented successful serialization, or no errors if serialization was successfull. </param>
        /// <returns>A value indicating whether serialization was successful.</returns>
        public static bool TryWriteEdmx(IEdmModel model, XmlWriter writer, EdmxTarget target, out IEnumerable<EdmError> errors)
        {
            EdmUtil.CheckArgumentNull(model, "model");
            EdmUtil.CheckArgumentNull(writer, "writer");

            errors = model.GetSerializationErrors();
            if (errors.FirstOrDefault() != null)
            {
                return false;
            }

            Version edmxVersion = model.GetEdmxVersion();

            if (edmxVersion != null)
            {
                if (!CsdlConstants.SupportedEdmxVersions.ContainsKey(edmxVersion))
                {
                    errors = new EdmError[] { new EdmError(new CsdlLocation(0, 0), EdmErrorCode.UnknownEdmxVersion, Edm.Strings.Serializer_UnknownEdmxVersion) };
                    return false;
                }
            }
            else if (!CsdlConstants.EdmToEdmxVersions.TryGetValue(model.GetEdmVersion() ?? EdmConstants.EdmVersionLatest, out edmxVersion))
            {
                errors = new EdmError[] { new EdmError(new CsdlLocation(0, 0), EdmErrorCode.UnknownEdmVersion, Edm.Strings.Serializer_UnknownEdmVersion) };
                return false;
            }

            IEnumerable<EdmSchema> schemas = new EdmModelSchemaSeparationSerializationVisitor(model).GetSchemas();

            EdmxWriter edmxWriter = new EdmxWriter(model, schemas, writer, edmxVersion, target);
            edmxWriter.WriteEdmx();

            errors = Enumerable.Empty<EdmError>();
            return true;
        }
Example #2
0
        internal static bool TryWriteCsdl(IEdmModel model, Func<string, XmlWriter> writerProvider, bool singleFileExpected, out IEnumerable<EdmError> errors)
        {
            EdmUtil.CheckArgumentNull(model, "model");
            EdmUtil.CheckArgumentNull(writerProvider, "writerProvider");

            errors = model.GetSerializationErrors();
            if (errors.FirstOrDefault() != null)
            {
                return false;
            }

            IEnumerable<EdmSchema> schemas = new EdmModelSchemaSeparationSerializationVisitor(model).GetSchemas();
            if (schemas.Count() > 1 && singleFileExpected)
            {
                errors = new EdmError[] { new EdmError(new CsdlLocation(0, 0), EdmErrorCode.SingleFileExpected, Edm.Strings.Serializer_SingleFileExpected) };
                return false;
            }

            if (schemas.Count() == 0)
            {
                errors = new EdmError[] { new EdmError(new CsdlLocation(0, 0), EdmErrorCode.NoSchemasProduced, Edm.Strings.Serializer_NoSchemasProduced) };
                return false;
            }

            WriteSchemas(model, schemas, writerProvider);

            errors = Enumerable.Empty<EdmError>();
            return true;
        }