Using AutoMapper.Profile for creating an instance(non-static) mapper

Using AutoMapper.Profile for creating an instance(non-static) mapper

You can use an instance of AutoMapper.Profile to create a non-static instance of AutoMapper.IMapper. Here's an example:

using AutoMapper; public class MyMappingProfile : Profile { public MyMappingProfile() { CreateMap<Source, Destination>(); } } public class MyClass { private readonly IMapper _mapper; public MyClass() { var mappingConfig = new MapperConfiguration(mc => { mc.AddProfile(new MyMappingProfile()); }); _mapper = mappingConfig.CreateMapper(); } public Destination Map(Source source) { return _mapper.Map<Source, Destination>(source); } }

In this example, we create a new instance of MapperConfiguration and add an instance of MyMappingProfile to it. The MapperConfiguration is used to create an instance of IMapper that we store in the _mapper field.

We then use the _mapper instance to map a Source object to a Destination object in the Map method of MyClass.

Note that it's important to create the MapperConfiguration instance only once and reuse it throughout the application, as creating a new MapperConfiguration instance is an expensive operation. You can achieve this by registering the MapperConfiguration as a singleton service in your application's dependency injection container.

Examples

  1. "AutoMapper Profile example for non-static instance mapping"

    • Description: Understand how to create an instance of AutoMapper Profile for non-static instance mapping scenarios in your .NET projects.
    • Code:
      public class MyMappingProfile : Profile { public MyMappingProfile() { CreateMap<SourceClass, DestinationClass>(); } }

  2. "AutoMapper non-static instance mapping configuration"

    • Description: Explore the configuration details for setting up AutoMapper with non-static instance mapping using a custom Profile class.
    • Code:
      var config = new MapperConfiguration(cfg => cfg.AddProfile<MyMappingProfile>()); IMapper mapper = new Mapper(config);

  3. "AutoMapper Profile lifecycle in non-static mapping"

    • Description: Learn about the lifecycle of an AutoMapper Profile in non-static mapping scenarios and how to manage it for optimal configuration.
    • Code:
      var profile = new MyMappingProfile(); var config = new MapperConfiguration(cfg => cfg.AddProfile(profile)); IMapper mapper = new Mapper(config);

  4. "AutoMapper Profile dependency injection for non-static mapping"

    • Description: Discover how to integrate AutoMapper Profiles with dependency injection in non-static mapping situations, ensuring proper configuration in your application.
    • Code:
      services.AddAutoMapper(typeof(MyMappingProfile));

  5. "AutoMapper non-static mapping with custom Profile methods"

    • Description: Explore the use of custom methods within an AutoMapper Profile for non-static mapping scenarios to handle complex mapping logic.
    • Code:
      public class MyMappingProfile : Profile { public MyMappingProfile() { CreateMap<SourceClass, DestinationClass>() .ForMember(dest => dest.CustomProperty, opt => opt.MapFrom(src => CustomMapMethod(src))); } private string CustomMapMethod(SourceClass source) { // Custom mapping logic return source.PropertyA + source.PropertyB; } }

  6. "AutoMapper Profile inheritance for non-static mapping"

    • Description: Learn how to use inheritance with AutoMapper Profiles for non-static mapping to organize and reuse mapping configurations.
    • Code:
      public class MyBaseMappingProfile : Profile { public MyBaseMappingProfile() { CreateMap<BaseSource, BaseDestination>(); } } public class MyDerivedMappingProfile : MyBaseMappingProfile { public MyDerivedMappingProfile() { CreateMap<DerivedSource, DerivedDestination>(); } }

  7. "AutoMapper Profile validation in non-static instance mapping"

    • Description: Find out how to validate and ensure the correctness of your AutoMapper Profile configurations for non-static instance mapping.
    • Code:
      var config = new MapperConfiguration(cfg => { cfg.AddProfile<MyMappingProfile>(); cfg.ValidateInlineMaps = false; // Set to true for stricter validation });

  8. "AutoMapper Profile naming conventions in non-static mapping"

    • Description: Explore naming conventions and best practices when creating AutoMapper Profiles for non-static mapping scenarios in your codebase.
    • Code:
      // Follow a clear and consistent naming convention for your Profile classes, e.g., "EntityToDtoProfile" public class EntityToDtoProfile : Profile { // Mapping configurations... }

  9. "AutoMapper non-static instance mapping with DI container"

    • Description: Integrate AutoMapper with a dependency injection container for non-static instance mapping, ensuring seamless usage in your application.
    • Code:
      services.AddAutoMapper(cfg => cfg.AddProfile<MyMappingProfile>());

  10. "AutoMapper Profile constructor injection in non-static mapping"

    • Description: Learn how to leverage constructor injection in AutoMapper Profiles for non-static mapping, facilitating better testability and maintainability.
    • Code:
      public class MyMappingProfile : Profile { private readonly ICustomService _customService; public MyMappingProfile(ICustomService customService) { _customService = customService; CreateMap<SourceClass, DestinationClass>() .ForMember(dest => dest.CustomProperty, opt => opt.MapFrom(src => _customService.Transform(src))); } }

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