ASP.NET MVC: Automapper and NHibernate

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Good evening, I have a problem. I'm using nHibernate to connect to my database and I also use Automapper to map my Entities to my ViewModel.

But when I select the entity I have several relationships and when I map to the ViewModel it ends up being all child entities being mapped: 

public ActionResult Cadastro(int id){
    Briefing bf = _briefingAppService.Get(id);

    BriefingModel model = BriefingModel.GetModel(this);

    BriefingViewModel viewModel = BriefingViewModel.ToViewModel(bf);

    return View(viewModel);

My Mapping looks like this: 

Mapper.CreateMap<Briefing, BriefingViewModel>();

And this is the result:

}

But I have several relationships in this class, and that amount is making my system very slow.

Does anyone know what I can do for Automapper not to map all these records to my ViewModel?

    
asked by anonymous 10.10.2015 / 00:42

1 answer

1

Examples:

There are two ways and they are:

1) First way

In these two People and Phone classes (1 person can have multiple phones), 

public class People
{
    public People()
    {
        Phone = new HashSet<Phone>();
    }
    public People(int id, string name, DateTime? datenasc)
    {
        Id = id;
        Name = name;
        DateNasc = datenasc;
        Phone = new HashSet<Phone>();
    }
    public virtual int Id { get; set; }
    public virtual string Name { get; set; }
    public virtual DateTime? DateNasc { get; set; }
    public virtual ISet<Phone> Phone { get; set; }
}
public class Phone
{
    public Phone() { }
    public Phone(int id, string ddd, string number, People people)
    {
        Id = id;
        Ddd = ddd;
        Number = number;
        People = people;
    }
    public virtual int Id { get; set; }
    public virtual string Ddd { get; set; }
    public virtual string Number { get; set; }
    public virtual People People { get; set; }
}

I do not want Automapper to bring the list of people's phones and my receiving class will look like this: 

public class PeopleView
{
    public virtual int Id { get; set; }
    public virtual string Name { get; set; }
    public virtual DateTime? DateNasc { get; set; }
}

That is, it does not have the phone list and so the Automapper will only bring what I have defined in the class PeopleView .

How to use: 

AutoMapper.Mapper.CreateMap(typeof(People), typeof(PeopleView));
PeopleView peopleView = AutoMapper.Mapper.Map<PeopleView>(people);

//COLEÇÃO
List<People> Pessoas = con.ToList<People>();
AutoMapper.Mapper.CreateMap(typeof(People), typeof(PeopleView)); 
var peoplesview = AutoMapper.Mapper.Map<List<People>, List<PeopleView>>(Pessoas);

Debugging:

Data from a class

Datafromacollection

2)Secondway

Youcanalsocreatearulein Automapper talking to it ignore the list or lists, following the example of People class plus the change placed just below: 

public class PeopleView
{
    public PeopleView()
    {
        Phone = new HashSet<Phone>();
    }
    public virtual int Id { get; set; }
    public virtual string Name { get; set; }
    public virtual DateTime? DateNasc { get; set; }
    public virtual ISet<Phone> Phone { get; set; }
}

Setting up Automapper 

AutoMapper.Mapper.CreateMap(typeof(People), typeof(PeopleView))
                .ForMember("Phone", x => x.Ignore());

Automatically it will ignore the phone list as shown in the image below:

Demo

link

References:

10.10.2015 / 01:55
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