Example #1
0
        public override object?ReadJson(JsonReader reader, Type objectType, object?existingValue, JsonSerializer serializer)
        {
            using (HeavyProfiler.LogNoStackTrace("ReadJson", () => objectType.Name))
            {
                if (reader.TokenType == JsonToken.Null)
                {
                    return(null);
                }

                using (EntityCache ec = new EntityCache())
                {
                    reader.Assert(JsonToken.StartObject);

                    ModifiableEntity mod = GetEntity(reader, objectType, existingValue, out bool markedAsModified);

                    var pr = GetCurrentPropertyRoute(mod);

                    var dic = PropertyConverter.GetPropertyConverters(mod.GetType());
                    using (JsonSerializerExtensions.SetAllowDirectMListChanges(markedAsModified))
                        while (reader.TokenType == JsonToken.PropertyName)
                        {
                            if ((string)reader.Value ! == "mixins")
                            {
                                var entity = (Entity)mod;
                                reader.Read();
                                reader.Assert(JsonToken.StartObject);

                                reader.Read();
                                while (reader.TokenType == JsonToken.PropertyName)
                                {
                                    var mixin = entity[(string)reader.Value !];
Example #2
0
        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.TokenType == JsonToken.Null)
            {
                return(null);
            }

            using (EntityCache ec = new EntityCache())
            {
                reader.Assert(JsonToken.StartObject);

                ModifiableEntity mod = GetEntity(reader, objectType, existingValue, serializer, out bool markedAsModified);

                var pr = GetCurrentPropertyRoute(mod);

                var dic = PropertyConverter.GetPropertyConverters(mod.GetType());

                while (reader.TokenType == JsonToken.PropertyName)
                {
                    if ((string)reader.Value == "mixins")
                    {
                        var entity = (Entity)mod;
                        reader.Read();
                        reader.Assert(JsonToken.StartObject);

                        reader.Read();
                        while (reader.TokenType == JsonToken.PropertyName)
                        {
                            var mixin = entity[(string)reader.Value];

                            reader.Read();

                            using (JsonSerializerExtensions.SetCurrentPropertyRoute(pr.Add(mixin.GetType())))
                                serializer.DeserializeValue(reader, mixin.GetType(), mixin);

                            reader.Read();
                        }

                        reader.Assert(JsonToken.EndObject);
                        reader.Read();
                    }
                    else
                    {
                        PropertyConverter pc = dic.GetOrThrow((string)reader.Value);

                        reader.Read();
                        ReadJsonProperty(reader, serializer, mod, pc, pr, markedAsModified);

                        reader.Read();
                    }
                }

                reader.Assert(JsonToken.EndObject);

                AfterDeserilization.Invoke(mod);

                return(mod);
            }
        }
Example #3
0
        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.TokenType == JsonToken.Null)
            {
                return(null);
            }

            using (EntityCache ec = new EntityCache())
            {
                reader.Assert(JsonToken.StartObject);

                bool             markedAsModified;
                ModifiableEntity mod = GetEntity(reader, objectType, existingValue, serializer, out markedAsModified);

                var pr = JsonSerializerExtensions.CurrentPropertyRoute;
                if (pr == null || mod is IRootEntity)
                {
                    pr = PropertyRoute.Root(mod.GetType());
                }
                else if (pr.Type.ElementType() == objectType)
                {
                    pr = pr.Add("Item"); //Because we have a custom MListJsonConverter but not for other simpler collections
                }
                var dic = PropertyConverter.GetPropertyConverters(mod.GetType());

                while (reader.TokenType == JsonToken.PropertyName)
                {
                    if ((string)reader.Value == "mixins")
                    {
                        var entity = (Entity)mod;
                        reader.Read();
                        reader.Assert(JsonToken.StartObject);

                        reader.Read();
                        while (reader.TokenType == JsonToken.PropertyName)
                        {
                            var mixin = entity[(string)reader.Value];

                            reader.Read();

                            using (JsonSerializerExtensions.SetCurrentPropertyRoute(pr.Add(mixin.GetType())))
                                serializer.DeserializeValue(reader, mixin.GetType(), mixin);

                            reader.Read();
                        }

                        reader.Assert(JsonToken.EndObject);
                        reader.Read();
                    }
                    else
                    {
                        PropertyConverter pc = dic.GetOrThrow((string)reader.Value);

                        reader.Read();
                        ReadJsonProperty(reader, serializer, mod, pc, pr, markedAsModified);

                        reader.Read();
                    }
                }

                reader.Assert(JsonToken.EndObject);

                AfterDeserilization.Invoke(mod);

                return(mod);
            }
        }
        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.TokenType == JsonToken.Null)
            {
                return(null);
            }

            reader.Assert(JsonToken.StartObject);

            string toString = null;
            string idObj    = null;
            string typeStr  = null;
            Entity entity   = null;

            reader.Read();
            while (reader.TokenType == JsonToken.PropertyName)
            {
                switch ((string)reader.Value)
                {
                case "toStr": toString = reader.ReadAsString(); break;

                case "id": idObj = reader.ReadAsString(); break;

                case "EntityType": typeStr = reader.ReadAsString(); break;

                case "entity":
                    reader.Read();
                    entity = (Entity)serializer.Deserialize(reader, typeof(Entity));
                    break;

                default: throw new InvalidOperationException("unexpected property " + (string)reader.Value);
                }

                reader.Read();
            }

            reader.Assert(JsonToken.EndObject);

            Type type = TypeLogic.GetType(typeStr);

            PrimaryKey?idOrNull = idObj == null ? (PrimaryKey?)null : PrimaryKey.Parse(idObj, type);

            if (entity == null)
            {
                return(Lite.Create(type, idOrNull.Value, toString));
            }

            var result = entity.ToLiteFat(toString);

            if (result.EntityType != type)
            {
                throw new InvalidOperationException("Types don't match");
            }

            if (result.IdOrNull != idOrNull)
            {
                throw new InvalidOperationException("Id's don't match");
            }

            var existing = existingValue as Lite <Entity>;

            if (existing.Is(result) && existing.EntityOrNull == null && result.EntityOrNull != null)
            {
                existing.SetEntity(result.EntityOrNull);
                return(existing);
            }

            return(result);
        }
        static MList <T> ReadJsonInternal <T>(JsonReader reader, IMListPrivate <T> existingValue, JsonSerializer serializer)
        {
            var dic = existingValue == null ? new Dictionary <PrimaryKey, MList <T> .RowIdElement>() :
                      existingValue.InnerList.Where(a => a.RowId.HasValue).ToDictionary(a => a.RowId.Value, a => a);

            var newList = new List <MList <T> .RowIdElement>();

            var pr = JsonSerializerExtensions.CurrentPropertyRoute;

            var elementPr = pr.Add("Item");

            var rowIdType = GetRowIdTypeFromAttribute(pr);


            reader.Assert(JsonToken.StartArray);

            reader.Read();

            using (JsonSerializerExtensions.SetCurrentPropertyRoute(elementPr))
            {
                while (reader.TokenType == JsonToken.StartObject)
                {
                    reader.Read();
                    reader.Assert(JsonToken.PropertyName);
                    if (((string)reader.Value) != "rowId")
                    {
                        throw new JsonSerializationException($"member 'rowId' expected in {reader.Path}");
                    }

                    reader.Read();
                    var rowIdValue = reader.Value;

                    reader.Read();
                    reader.Assert(JsonToken.PropertyName);
                    if (((string)reader.Value) != "element")
                    {
                        throw new JsonSerializationException($"member 'element' expected in {reader.Path}");
                    }

                    reader.Read();
                    if (rowIdValue != null && !rowIdValue.Equals(GraphExplorer.DummyRowId.Object))
                    {
                        var rowId = new PrimaryKey((IComparable)ReflectionTools.ChangeType(rowIdValue, rowIdType));

                        var oldValue = dic.TryGetS(rowId);

                        if (oldValue == null)
                        {
                            T newValue = (T)serializer.DeserializeValue(reader, typeof(T), null);

                            newList.Add(new MList <T> .RowIdElement(newValue, rowId, null));
                        }
                        else
                        {
                            T newValue = (T)serializer.DeserializeValue(reader, typeof(T), oldValue.Value.Element);

                            if (oldValue.Value.Element.Equals(newValue))
                            {
                                newList.Add(new MList <T> .RowIdElement(newValue, rowId, oldValue.Value.OldIndex));
                            }
                            else
                            {
                                newList.Add(new MList <T> .RowIdElement(newValue));
                            }
                        }
                    }
                    else
                    {
                        var newValue = (T)serializer.DeserializeValue(reader, typeof(T), null);
                        newList.Add(new MList <T> .RowIdElement(newValue));
                    }

                    reader.Read();

                    reader.Assert(JsonToken.EndObject);
                    reader.Read();
                }
            }

            reader.Assert(JsonToken.EndArray);

            if (existingValue == null) //Strange case...
            {
                if (newList.IsEmpty())
                {
                    return(null);
                }
                else
                {
                    existingValue = new MList <T>();
                }
            }

            bool orderMatters = GetPreserveOrderFromAttribute(pr);

            if (!existingValue.IsEqualTo(newList, orderMatters))
            {
                EntityJsonConverter.AssertCanWrite(pr);

                existingValue.AssignMList(newList);
            }

            return((MList <T>)existingValue);
        }
Example #6
0
        static MList <T> ReadJsonInternal <T>(JsonReader reader, IMListPrivate <T> existingValue, JsonSerializer serializer)
        {
            var errors = new List <string>();

            serializer.Error += delegate(object?sender, ErrorEventArgs args)
            {
                // only log an error once
                if (args.CurrentObject == args.ErrorContext.OriginalObject)
                {
                    errors.Add(args.ErrorContext.Error.Message);
                }
            };

            var dic = existingValue == null ? new Dictionary <PrimaryKey, MList <T> .RowIdElement>() :
                      existingValue.InnerList.Where(a => a.RowId.HasValue).ToDictionary(a => a.RowId !.Value, a => a);

            var newList = new List <MList <T> .RowIdElement>();

            var pr = JsonSerializerExtensions.CurrentPropertyRoute !;

            var elementPr = pr.Add("Item");

            var rowIdType = GetRowIdTypeFromAttribute(pr);


            reader.Assert(JsonToken.StartArray);

            reader.Read();

            using (JsonSerializerExtensions.SetCurrentPropertyRoute(elementPr))
            {
                while (reader.TokenType == JsonToken.StartObject)
                {
                    reader.Read();
                    reader.Assert(JsonToken.PropertyName);
                    if (((string)reader.Value !) != "rowId")
                    {
                        throw new JsonSerializationException($"member 'rowId' expected in {reader.Path}");
                    }

                    reader.Read();
                    var rowIdValue = reader.Value;

                    reader.Read();
                    reader.Assert(JsonToken.PropertyName);
                    if (((string)reader.Value !) != "element")
                    {
                        throw new JsonSerializationException($"member 'element' expected in {reader.Path}");
                    }

                    reader.Read();
                    if (rowIdValue != null && !rowIdValue.Equals(GraphExplorer.DummyRowId.Object))
                    {
                        var rowId = new PrimaryKey((IComparable)ReflectionTools.ChangeType(rowIdValue, rowIdType) !);

                        var oldValue = dic.TryGetS(rowId);

                        if (oldValue == null)
                        {
                            T newValue = (T)serializer.DeserializeValue(reader, typeof(T), null) !;

                            newList.Add(new MList <T> .RowIdElement(newValue, rowId, null));
                        }
                        else
                        {
                            T newValue = (T)serializer.DeserializeValue(reader, typeof(T), oldValue.Value.Element) !;

                            if (oldValue.Value.Element !.Equals(newValue))
                            {
                                newList.Add(new MList <T> .RowIdElement(newValue, rowId, oldValue.Value.OldIndex));
                            }
                            else
                            {
                                newList.Add(new MList <T> .RowIdElement(newValue));
                            }
                        }
                    }