Mapster is an open source object mapper for .NET,
Mapster is an open source object mapper for .NET.
Questions tagged [mapster]
114 questions
0
votes
1 answer
How unflattening commands to complex types
I'm not yet dependent to either Mapster or AutoMapper. For now I'm using handwritten mappings because I couldn't find a mapper who could do this with smaller code.
The problem is how do we map flatten structures to complex objects? I think a lot of…
DJohn
- 9
- 2
0
votes
1 answer
Circular reference causing stack overflow with Mapster
Stack overflow exception with Mapster cause running process to terminate.
TSource.Adapt()
e03050
- 1,392
- 15
- 12
0
votes
1 answer
Simple Injector and Mapster Dependency Injection setup
The documentation on the Mapster Wiki isnt very good and I cant seem to get it hooked up with Simple Injector.
I have this below:
container.RegisterSingleton(() =>
MapperProvider.GetConfiguredMappingConfig());
container.Register
Mike Flynn
- 22,342
- 54
- 182
- 341
0
votes
1 answer
Mapster - Dynamic property selection or ignore
I have a business need to dynamically select ONLY the properties of a given model that are specified, similar to an OData select clause. I am currently using Mapster's ProjectToType functionality to populate view models from EF Core entities.
Is…
Michael Rentmeister
- 167
- 1
- 6
- 24
0
votes
1 answer
Mapster.Tool Code Generation for Specific Project
I have a Visual Studio solution containing various sample console app projects. One of which is MapsterSample where I am trying out Mapster and following the steps described on GitHub https://github.com/MapsterMapper/Mapster/wiki/Mapster.Tool to…
Patee Gutee
- 292
- 2
- 19
0
votes
1 answer
MapsterMapper map with internal constructor
I'm doing a wrapper for an API and I have my json models which I would map into my entity models with MapsterMapper.
I have tried to simply do jsonModel.Adapt() with EntityModel looking like this:
public class EntityModel {
public int…
Jensyl
- 25
- 5
0
votes
1 answer
Mapster with Parent and ChildCollection "reciprocal" navigation properties
So I have "entities" and "dtos".
Department has N Employees
Employee has 1 (parent) Department.
Right now I have no deviation with property names.
My EFCore "query" is getting All Departments with an Include (child) Employees.
I prefer to isolate my…
granadaCoder
- 26,328
- 10
- 113
- 146
0
votes
1 answer
Mapster.Tool fails generating mapper
Mapster.Tool fails to generate any code.
The problem seems to be a class derived from CosmosClient - which i get from a nuget package.
I get this exception:
Cannot find library: Microsoft.Azure.Cosmos.Client
Unhandled exception.…
Sebastian K
- 11
- 1
- 5
0
votes
1 answer
Mapster, try map to field of class with many constructor without default and fail
I'm try to learn Mapster. I have classes like this
class In
{
public string A;
public string B;
public string C;
}
class Out
{
public Sub Sub;
public string C;
}
class Sub
{
public string A;
public string B;
…
srvr4vr
- 173
- 1
- 9
0
votes
1 answer
Mapster from ExpandoObject to Dto - how to prevent setting missing keys to Null in Dto?
I have an object representing an update:
var update = new ExpandoObject();
update.AddSafely("Name", "Mary");
This property is part of a dto, like:
public class Dto
{
public string Name {get; set;}
public string Other {get; set;
}
var data =…
FDM
- 628
- 6
- 18
0
votes
1 answer
Mapster - mapping descendant classes from base class
Classes:
public class Department
{
public string Name { get; set; }
}
public class DepartmentA : Department
{
public string NameA { get; set; }
}
public class Employee
{
public string Name { get; set; }
public int Salary { get;…
trubar
- 3
- 3
0
votes
1 answer
AmbiguousMatchException on Mapster compile
When I try to compile the mapster configuration, it throws an AmbiguousMatchException in this specific mapping:
config.NewConfig()
.Map(dest => dest.Id, src => src.Id)
.Map(dest => dest.Prop1, src => src.Prop1)
…
Rodrigo Riskalla Leal
- 505
- 4
- 18
0
votes
1 answer
Is there a way to Ignore all null values from source during mapping using Mapster when members are IEnumerable
I'm using Mapster 5.3.1 with DI in EF Core 3.1 ... and I have a question.. is there a way to ignore all null values in source member during mapping when both members are IEnumerable and both have identical structure.
var tSource = (IEnumerable)
var…
user13533969
- 1
- 1
0
votes
1 answer
Strategy for mapping strings as dates to datetime using Mapster when strings may be empty?
I'm using Mapster to map values from a dto based on a json object to a Entity Framework data table.
The destination class has a field
[Column(TypeName = "datetime2(3)")]
public DateTime? CorrectBy { get; set; } that is being filled from a…
John S
- 7,909
- 21
- 77
- 145
0
votes
2 answers
Using Mapster w/DI where should I be putting my mapping?
Using Mapster with the Mapster DI package I also have a static class called MapperConfig that has a static method that does all my dto to viewmodel mapping.
public static class MapperConfig
{
public static void Config()
{
var tenantId =…
John S
- 7,909
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