* Sample code to show serialization issues that currently prevent simple...

.mypy_cache/

.mypy_cache/

.dmypy.json

.dmypy.json

dmypy.json

dmypy.json

## Separating the .NET master gitignore items

## Ignore Visual Studio temporary files, build results, and

## files generated by popular Visual Studio add-ons.

##

## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore

# User-specific files

*.suo

*.user

*.userosscache

*.sln.docstates

# User-specific files (MonoDevelop/Xamarin Studio)

*.userprefs

# Build results

[Dd]ebug/

[Dd]ebugPublic/

[Rr]elease/

x64/

x86/

bld/

[Bb]in/

[Oo]bj/

[Ll]og/

# Visual Studio 2015 cache/options directory

.vs/

# Uncomment if you have tasks that create the project's static files in wwwroot

#wwwroot/

# MSTest test Results

[Tt]est[Rr]esult*/

[Bb]uild[Ll]og.*

# NUNIT

*.VisualState.xml

TestResult.xml

# Build Results of an ATL Project

[Dd]ebugPS/

[Rr]eleasePS/

dlldata.c

# .NET Core

project.lock.json

project.fragment.lock.json

artifacts/

**/Properties/launchSettings.json

# VS Code

.vscode/

*_i.c

*_p.c

*_i.h

*.ilk

*.meta

*.obj

*.pch

*.pdb

*.pgc

*.pgd

*.rsp

*.sbr

*.tlb

*.tli

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*.tmp

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*.log

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_Chutzpah*

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ipch/

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$tf/

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# NCrunch

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nCrunchTemp_*

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AutoTest.Net/

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DocProject/buildhelp/

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DocProject/Help/*.HxC

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DocProject/Help/*.hhk

DocProject/Help/*.hhp

DocProject/Help/Html2

DocProject/Help/html

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publish/

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*.[Pp]ublish.xml

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# TODO: Comment the next line if you want to checkin your web deploy settings

# but database connection strings (with potential passwords) will be unencrypted

*.pubxml

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# Microsoft Azure Web App publish settings. Comment the next line if you want to

# checkin your Azure Web App publish settings, but sensitive information contained

# in these scripts will be unencrypted

PublishScripts/

# NuGet Packages

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**/packages/*

# except build/, which is used as an MSBuild target.

!**/packages/build/

# Uncomment if necessary however generally it will be regenerated when needed

#!**/packages/repositories.config

# NuGet v3's project.json files produces more ignorable files

*.nuget.props

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csx/

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ecf/

rcf/

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_pkginfo.txt

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!*.[Cc]ache/

# Others

ClientBin/

~$*

*~

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orleans.codegen.cs

# Since there are multiple workflows, uncomment next line to ignore bower_components

# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)

#bower_components/

# RIA/Silverlight projects

Generated_Code/

# Backup & report files from converting an old project file

# to a newer Visual Studio version. Backup files are not needed,

# because we have git ;-)

_UpgradeReport_Files/

Backup*/

UpgradeLog*.XML

UpgradeLog*.htm

# SQL Server files

*.mdf

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FakesAssemblies/

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# Node.js Tools for Visual Studio

.ntvs_analysis.dat

node_modules/

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typings/

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*.vbw

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**/*.DesktopClient/GeneratedArtifacts

**/*.DesktopClient/ModelManifest.xml

**/*.Server/GeneratedArtifacts

**/*.Server/ModelManifest.xml

_Pvt_Extensions

# Paket dependency manager

.paket/paket.exe

paket-files/

# FAKE - F# Make

.fake/

# JetBrains Rider

.idea/

*.sln.iml

# CodeRush

.cr/

# Python Tools for Visual Studio (PTVS)

__pycache__/

*.pyc

# Cake - Uncomment if you are using it

# tools/**

# !tools/packages.config

# Telerik's JustMock configuration file

*.jmconfig

# BizTalk build output

*.btp.cs

*.btm.cs

*.odx.cs

*.xsd.cs

 No newline at end of file

using PolymorphicDeSerialization.Models;

using System.Text.Json;

using System.Text.Json.Serialization;

namespace PolymorphicDeSerialization.Converters.Json

{

    public class HI1ObjectConverterFactory : JsonConverter<HI1Object>

    {

        public override bool CanConvert(Type typeToConvert)

        {

            return typeof(HI1Object).IsAssignableFrom(typeToConvert);

        }

        public override HI1Object? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)

        {

            if (reader.TokenType != JsonTokenType.StartObject)

            {

                throw new JsonException();

            }

            reader.Read();

            if (reader.TokenType != JsonTokenType.PropertyName)

            {

                throw new JsonException();

            }

            string? propertyName = reader.GetString();

            if (propertyName != "TypeDiscriminator")

            {

                throw new JsonException();

            }

            reader.Read();

            if (reader.TokenType != JsonTokenType.Number)

            {

                throw new JsonException();

            }

            TypeDiscriminator typeDiscriminator = (TypeDiscriminator)reader.GetInt32();

            HI1Object hi1Object = typeDiscriminator switch

            {

                TypeDiscriminator.LITaskObject => new LITaskObject(),

                _ => throw new JsonException()

            };

            while (reader.Read())

            {

                if (reader.TokenType == JsonTokenType.EndObject)

                {

                    return hi1Object;

                }

                if (reader.TokenType == JsonTokenType.PropertyName)

                {

                    propertyName = reader.GetString();

                    reader.Read();

                    switch (propertyName)

                    {

                        case "Reference":

                            var reference = reader.GetString();

                            ((LITaskObject)hi1Object).Reference = reference;

                            break;

                        case "TargetIdentifier":

                            string? targetIdentifier = reader.GetString();

                            ((LITaskObject)hi1Object).TargetIdentifier = targetIdentifier;

                            break;

                        case "ObjectIdentifier":

                            var objectIdentifier = reader.GetString();

                            hi1Object.ObjectIdentifier = objectIdentifier;

                            break;

                        case "Generation":

                            var generation = reader.GetInt32();

                            hi1Object.Generation = generation;

                            break;

                    }

                }

            }

            throw new JsonException();

        }

        public override void Write(Utf8JsonWriter writer, HI1Object value, JsonSerializerOptions options)

        {

            writer.WriteStartObject();

            if (value is LITaskObject liTaskObject)

            {

                writer.WriteNumber("TypeDiscriminator", (int)TypeDiscriminator.LITaskObject);

                writer.WriteString("Reference", liTaskObject.Reference);

                writer.WriteString("TargetIdentifier", liTaskObject.TargetIdentifier);

            }

            writer.WriteString("ObjectIdentifier", value.ObjectIdentifier);

            writer.WriteNumber("Generation", value.Generation);

            writer.WriteEndObject();

        }

    }

}

 No newline at end of file

namespace PolymorphicDeSerialization.Converters.Json

{

    public enum TypeDiscriminator

    {

        LITaskObject

    }

}

namespace PolymorphicDeSerialization.Models

{

    public class HI1Message

    {

        public HI1Object HI1Object { get; set; }

    }

}

namespace PolymorphicDeSerialization.Models

{

    public class HI1Object

    {

        public string ObjectIdentifier { get; set; }

        public int Generation { get; set; }

        public void ToString()

        {

            Console.WriteLine(this.GetType().Name);

        }

    }

}