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12.2.0 (2024-11-12)

Features

  • Update MediatR to 12.4.1
    • Update Autofac to 8.1.1

12.1.0 (2024-06-28)

Features

  • Update MediatR to 12.3.0

12.0.0 (2024-01-22)

Breaking changes

  • Update Autofac to 8.0.0. For the list of breaking-changes, take a look at the official release

11.3.0 (2023-11-21)

Chores

  • Update MediatR to 12.2.0

11.2.0 (2023-08-28)

Chores

  • Update Autofac to 7.1.0

11.1.0 (2023-08-02)

Chores

  • Update Autofac to 7.0.1
  • Update MediatR to 11.1.1

11.0.0 (2023-03-08)

Breaking changes

  • Remove obsolete extension method to register MediatR. From now on you will require to use builder.RegisterMediatR(MediatRConfiguration) and provide a MediatRConfiguration using MediatRConfigurationBuilder.
  • Autofac has been updated to version 7.0.0. There are a set of breaking changes. Some of them will not have any effects on you but you will need to evaluate that. Please check out this link for more details.

Chores

  • Update Autofac to 7.0.0
  • Update MediatR to 11.0.1

10.0.0 (2023-02-17)

Breaking changes

  • Remove obsolete extension method to register MediatR. From now on you will require to use builder.RegisterMediatR(MediatRConfiguration) and provide a MediatRConfiguration using MediatRConfigurationBuilder.
  • MediatR has been updated to version 12.0.0. There are a set of breaking changes that you will need to fix. Please follow the migration guide for more details.

Features

  • Add support to register a custom implementation that implements all mediator interface (IMediator, ISender, IPublisher)
  • Add support to register a custom implementation of INotificationPublisher
  • Add support for IRequestHandler<> which is required for MediatR version 12.0.0
  • Add ServiceProviderWrapper that implements IServiceProvider and uses ILifeTimeScope to resolve services
  • Add ServiceProviderWrapper to the container but only if typeof(IServiceProvider) has not been registered yet
  • Re-add support for netstandard2.0 to align with MediatR

9.2.0 (2023-01-16)

Features

  • Add possibility to register MediatR dependencies as either Transient or Scoped. Transient translates to InstancePerDependency whereas Scoped translates to InstancePerLifetimeScope

Deprecation

  • All extensions method on ContainerBuilder have been marked as deprecated and will be removed with version 10.0.0. Please use builder.RegisterMediatR(MediatRConfiguration)

9.1.0 (2022-11-23)

Features

  • Update MediatR to version 11.0.0
  • Update Autofac to version 6.5.0

9.0.0 (2022-09-30)

Features

  • Update MediatR to version 11.0.0

Breaking changes

  • There is a small breaking-change regarding the order of parameters in classes that implement IPipelineBehavior<TRequest, TResponse>. Please see the release-notes of MediatR for more details.

8.2.0 (2022-09-07)

Features

  • Expose MediatRConfiguration and MediatRConfigurationBuilder as a new way to build the MediatR configuration
  • Add new extension that takes an instance of MediatRConfiguration as a parameter
  • Allow automatic registration to be disabled using MediatRConfiguration. Closes #10

8.1.0 (2022-05-31)

Features

  • Update Autofac to 6.4.0

8.0.1 (2022-01-30)

Features

  • Update MediatR to 10.0.1

8.0.0 (2022-01-09)

Breaking changes

  • MediatR version 10.0.0 dropped support for netstandard2.0. From now own only netstandard2.1 is supported
  • Previously marked obsolete methods AddMediatR have been removed

Features

  • Add support for IStreamRequestHandler<,> and IStreamRequestPipelineBehavior<,>

7.4.0 (2021-11-12)

Features

  • Update Autofac to 6.3.0

7.3.0 (2021-06-21)

Features

  • Register types IRequestPreProcessor<> and IRequestPostProcessor<,> of provided assembly. Implements #7

7.2.0 (2021-04-23)

Features

  • Upgrade Autofac to version 6.2.0

7.1.0 (2021-01-09)

Features

  • Upgrade Autofac to version 6.1.0
  • Add dedicated TFM for netstandard2.1

Fixes

  • Make sure release-notes URL is correctly set in package meta-data.

7.0.0 (2020-10-08)

Breaking Changes

  • MediatR has been updated to version 9.0.0. This release contains minor breaking changes. Check out the blog-post for more details.

6.0.0 (2020-09-29)

Breaking Changes

  • Autofac has been updated to version 6.0.0. This release contains many new features but also breaking-changes. Check out this blog-post for more information.

Deprecation notice

  • AddMediatR has been marked as deprecated and will be removed with version 7.0.0.

Features

  • New extensions were added that are more aligned with the Autofac syntax for registering dependencies. Please use RegisterMediatR instead of AddMediatR

5.3.0 (2020-08-02)

Features

  • Update MediatR to version 8.1.0

5.2.1 (2020-07-03)

Features

  • Update MediatR to version 8.0.2. This enables nullable features of C#8

5.2.0 (2020-06-11)

Chore

  • Update Autofac to version 5.2.0

5.1.0 (2020-02-22)

Chore

  • Update Autofac to version 5.1.1
  • Update sample project dependencies

5.0.0 (2020-01-29)

Breaking changes

  • Autofac has been updated to 5.0.0. The release of Autofac contains breaking changes, mostly making the container immutable. You can read more about the changes here.

4.0.0 (2020-01-01)

Breaking changes

  • MediatR has been updated to 8.0.0. This major release contains small breaking changes. Check out this post for more information.
  • Open types were previously registered with implementing interfaces which can cause handlers two be called twice when a class implements IRequestHandler<,> and INotificationHandler<>. To prevent this from happening, .AsImplementedInterfaces() has been removed from the registration. If you wish to register it like before, use this code after calling the extension method AddMediatR.
var openHandlerTypes = new[]
{
    typeof(IRequestHandler<,>),
    typeof(IRequestExceptionHandler<,,>),
    typeof(IRequestExceptionAction<,>),
    typeof(INotificationHandler<>),
};

foreach (var openHandlerType in openHandlerTypes)
{
    builder.RegisterAssemblyTypes(this.assemblies)
        .AsClosedTypesOf(openHandlerType)
        .AsImplementedInterfaces();
}
  • Two extensions that were likely not used have been removed from ContainerBuilderExtensions.

Features

  • Support for MediatR version 8.0.0 by registering the new behaviors and open-handlers for handling exceptions. Check out this post for more information.

3.1.1 (2019-12-26)

Bugfixes

  • Make sure that MediatRModule does not throw when no custom types are passed into the extension methods, fixes #4

3.1.0 (2019-12-14)

Features

  • It is now possible to pass in behaviors that implement IPipelineBehavior<TRequest, TResponse>.

Given sample with two custom behaviors without constraints:

public LoggingBehavior<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse> 
{
    private readonly ILogger<LoggingBehavior<TRequest, TResponse>> _logger;

    public LoggingBehavior(ILogger<LoggingBehavior<TRequest, TResponse>> logger) 
    {
        _logger = logger;
    }

    public Task<TResponse> Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate<TResponse> next)
    {
        _logger.LogInformation("Got request at {requestTime} and content", DateTime.UtcNow().ToString("O"), JsonConvert.SerializeObject(request));
        
        return next();
    }
}

public CachingBehavior<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse> 
{
    private readonly ILogger<CachingBehavior<TRequest, TResponse>> _logger;
    private readonly ICache _cache;

    public CachingBehavior(ILogger<CachingBehavior<TRequest, TResponse>> logger, ICache cache) 
    {
        _logger = logger;
        _cache = cache;
    }

    public async Task<TResponse> Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate<TResponse> next)
    {
        var key = GenerateKeyFromRequest(request);

        _cache.TryGetValue(key, out var cachedResponse) 
        {
            _logger.LogInformation("{key} found in cache, using cached-value", key);
            return await cachedResponse;
        }

        var response = next();

        _cache.Set(key, response);
        
        return await response;
    }
}

We would register MediatR like that

var containerBuilder = new ContainerBuilder();

// Since there are two default behaviors the execution order would now be the following
// 1. LoggingBehavior<TRequest, TResponse>
// 2. CachingBehavior<TRequest, TResponse>
// 3. RequestPreProcessorBehavior<TRequest, TResponse>
// 4. RequestPostProcessorBehavior<TRequest, TResponse>
containerBuilder.RegisterMediatR(typeof(SomeClassThatIsInSameAssemblyAsMediatRTypes).Assembly, 
    typeof(CachingBehavior<,>), typeof(LoggingBehavior<,>));

Given sample with two custom behaviors with and without constraints:

public LoggingBehavior<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse> 
{
    private readonly ILogger<LoggingBehavior<TRequest, TResponse>> _logger;

    public LoggingBehavior(ILogger<LoggingBehavior<TRequest, TResponse>> logger) 
    {
        _logger = logger;
    }

    public Task<TResponse> Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate<TResponse> next)
    {
        _logger.LogInformation("Got request at {requestTime} and content", DateTime.UtcNow().ToString("O"), JsonConvert.SerializeObject(request));
        
        return next();
    }
}

public CachingBehavior<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse> where TRequest : class, ICacheableRequest<TResponse>
{
    private readonly ILogger<CachingBehavior<TRequest, TResponse>> _logger;
    private readonly ICache _cache;

    public CachingBehavior(ILogger<CachingBehavior<TRequest, TResponse>> logger, ICache cache) 
    {
        _logger = logger;
        _cache = cache;
    }

    public async Task<TResponse> Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate<TResponse> next)
    {
        var key = GenerateKeyFromRequest(request);

        _cache.TryGetValue(key, out var cachedResponse) 
        {
            _logger.LogInformation("{key} found in cache, using cached-value", key);
            return await cachedResponse;
        }

        var response = next();

        _cache.Set(key, response);
        
        return await response;
    }
}

We would register MediatR like that again

var containerBuilder = new ContainerBuilder();

// Since there are two default behaviors, two custom behaviors and one with a constraint, the execution order would now be the following
// 1. CachingBehavior<TRequest, TResponse>
// 2. LoggingBehavior<TRequest, TResponse>
// 3. RequestPreProcessorBehavior<TRequest, TResponse>
// 4. RequestPostProcessorBehavior<TRequest, TResponse>
containerBuilder.RegisterMediatR(typeof(SomeClassThatIsInSameAssemblyAsMediatRTypes).Assembly, 
    typeof(CachingBehavior<,>), typeof(LoggingBehavior<,>));

For more specifics please checkout the tests

3.0.1 (2019-08-20)

Features

  • Update Autofac to version 4.9.4

3.0.0 (2019-05-05)

Features

  • Update MediatR to version 7.0.0. Please see the changelog of MediatR since it contains breaking-changes for the request post-processors.

2.1.0 (2019-03-29)

Features

  • Update Autofac to version 4.9.2

2.1.0 (2019-03-17)

Features

  • Update Autofac to version 4.9.1
  • Update Autofac.Extensions.DependencyInjection 4.4.0

Chore

  • Adjust copyright

2.0.1 (2019-01-25)

Bugfixes

  • Support older .NET-Framework versions by using typeof(T).GetTypeInfo().Assembly rather than typeof(T).Assembly. Closes #1

2.0.0 (2018-12-11)

Features

  • Update to MediatR 6.0.0
  • Update Autofac.Extensions.DependencyInjection 4.3.0

Possible breaking changes

  • The latest implementation might contain breaking changes, if you did overrider MediatR's default behaviours. For more information please checkout the release-notes

1.2.1 (2018-08-11)

Chore

  • Adjust package-infos

1.2.0 (2018-07-30)

Features

  • Update MediatR to 5.1.0

1.1.0 (2018-07-14)

Features

  • Allow chaining of method-calls

1.0.1 (2018-07-08)

Chore

  • update project file

1.0.0 (2018-07-07)

Intial Release

  • Allow MediatR and it's components to be registered via an extension method for Autofac.