Mini Akka Helper DSL

Account.cs

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:4.0.30319.0
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

namespace MyCompany
{
    using Akka;
    using Newtonsoft.Json;
    using System;
    using System.Collections.Generic;
    
    public interface IIndexUsers
    {
    }
    public class CreateAccount : ICommand
    {
        public Guid AccountId { get; private set; }//;
        public String UserName { get; private set; }//;
        [JsonConstructor()]
        private CreateAccount()
        {
        }
        public CreateAccount(Guid accountId, String userName)
        {
            this.AccountId = accountId;
            this.UserName = userName;
        }
        public virtual CreateAccount Clone(Guid accountId = default(Guid), String userName = default(String))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            String localUserName = userName;
            if ((userName == default(String)))
            {
                localUserName = this.UserName;
            }
            return new CreateAccount(localAccountId, localUserName);
        }
    }
    public class AccountCreated : IEvent, IIndexUsers
    {
        public Guid AccountId { get; private set; }//;
        public String UserName { get; private set; }//;
        public DateTime Date { get; private set; }//;
        [JsonConstructor()]
        private AccountCreated()
        {
        }
        public AccountCreated(Guid accountId, String userName, DateTime date)
        {
            this.AccountId = accountId;
            this.UserName = userName;
            this.Date = date;
        }
        public virtual AccountCreated Clone(Guid accountId = default(Guid), String userName = default(String), DateTime date = default(DateTime))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            String localUserName = userName;
            if ((userName == default(String)))
            {
                localUserName = this.UserName;
            }
            DateTime localDate = date;
            if ((date == default(DateTime)))
            {
                localDate = this.Date;
            }
            return new AccountCreated(localAccountId, localUserName, localDate);
        }
    }
    public class UpdateAccount : ICommand
    {
        public Guid AccountId { get; private set; }//;
        public String UserName { get; private set; }//;
        [JsonConstructor()]
        private UpdateAccount()
        {
        }
        public UpdateAccount(Guid accountId, String userName)
        {
            this.AccountId = accountId;
            this.UserName = userName;
        }
        public virtual UpdateAccount Clone(Guid accountId = default(Guid), String userName = default(String))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            String localUserName = userName;
            if ((userName == default(String)))
            {
                localUserName = this.UserName;
            }
            return new UpdateAccount(localAccountId, localUserName);
        }
    }
    public class AccountUpdated : IEvent, IIndexUsers
    {
        public Guid AccountId { get; private set; }//;
        public String UserName { get; private set; }//;
        public DateTime Date { get; private set; }//;
        [JsonConstructor()]
        private AccountUpdated()
        {
        }
        public AccountUpdated(Guid accountId, String userName, DateTime date)
        {
            this.AccountId = accountId;
            this.UserName = userName;
            this.Date = date;
        }
        public virtual AccountUpdated Clone(Guid accountId = default(Guid), String userName = default(String), DateTime date = default(DateTime))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            String localUserName = userName;
            if ((userName == default(String)))
            {
                localUserName = this.UserName;
            }
            DateTime localDate = date;
            if ((date == default(DateTime)))
            {
                localDate = this.Date;
            }
            return new AccountUpdated(localAccountId, localUserName, localDate);
        }
    }
    public class LogInUser : ICommand
    {
        public Guid AccountId { get; private set; }//;
        [JsonConstructor()]
        private LogInUser()
        {
        }
        public LogInUser(Guid accountId)
        {
            this.AccountId = accountId;
        }
        public virtual LogInUser Clone(Guid accountId = default(Guid))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            return new LogInUser(localAccountId);
        }
    }
    public class UserLoggedIn : IEvent
    {
        public Guid AccountId { get; private set; }//;
        public DateTime Date { get; private set; }//;
        [JsonConstructor()]
        private UserLoggedIn()
        {
        }
        public UserLoggedIn(Guid accountId, DateTime date)
        {
            this.AccountId = accountId;
            this.Date = date;
        }
        public virtual UserLoggedIn Clone(Guid accountId = default(Guid), DateTime date = default(DateTime))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            DateTime localDate = date;
            if ((date == default(DateTime)))
            {
                localDate = this.Date;
            }
            return new UserLoggedIn(localAccountId, localDate);
        }
    }
    public class LogOutUser : ICommand
    {
        public Guid AccountId { get; private set; }//;
        [JsonConstructor()]
        private LogOutUser()
        {
        }
        public LogOutUser(Guid accountId)
        {
            this.AccountId = accountId;
        }
        public virtual LogOutUser Clone(Guid accountId = default(Guid))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            return new LogOutUser(localAccountId);
        }
    }
    public class UserLoggedOut : IEvent
    {
        public Guid AccountId { get; private set; }//;
        public DateTime Date { get; private set; }//;
        [JsonConstructor()]
        private UserLoggedOut()
        {
        }
        public UserLoggedOut(Guid accountId, DateTime date)
        {
            this.AccountId = accountId;
            this.Date = date;
        }
        public virtual UserLoggedOut Clone(Guid accountId = default(Guid), DateTime date = default(DateTime))
        {
            Guid localAccountId = accountId;
            if ((accountId == default(Guid)))
            {
                localAccountId = this.AccountId;
            }
            DateTime localDate = date;
            if ((date == default(DateTime)))
            {
                localDate = this.Date;
            }
            return new UserLoggedOut(localAccountId, localDate);
        }
    }
}

Account.ddd

namespace MyCompany;

	commands	are ICommand;
	events		are IEvent;
	
	state AccountViewState
	
	marker IIndexUsers 
	
	const accountId		is Guid;
	const date			is DateTime 
	const userName		is string 
	
	command CreateAccount(accountId, userName)
		event AccountCreated(accountId, userName, date)
			markas IIndexUsers
			tell AccountViewState

	command UpdateAccount(accountId, userName)
		event AccountUpdated(accountId, userName, date)
			markas IIndexUsers
			tell AccountViewState
	
	command LogInUser(accountId)
		event UserLoggedIn(accountId, date)
		tell AccountViewState
	
	command LogOutUser(accountId)
		event UserLoggedOut(accountId, date)
		tell AccountViewState

AccountViewState.cs

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:4.0.30319.0
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

namespace MyCompany
{
    using Akka;
    using Newtonsoft.Json;
    using System;
    using System.Collections.Generic;
    
    public abstract class AccountViewState
    {
        private bool Receive(object message)
        {
            return message.Match()
                .With<AccountCreated>(When)
                .With<AccountUpdated>(When)
                .With<UserLoggedIn>(When)
                .With<UserLoggedOut>(When)
                .WasHandled;
        }
        protected abstract void When(AccountCreated message);
        protected abstract void When(AccountUpdated message);
        protected abstract void When(UserLoggedIn message);
        protected abstract void When(UserLoggedOut message);
    }
}