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Unity

NuGet Package: NServiceBus.Unity (10.x)
Target Version: NServiceBus 7.x

Starting with NServiceBus version 7, the dependency injection container adapter packages are no longer required. NServiceBus directly supports the Microsoft.Extensions.DependencyInjection model and third party containers can be integrated using the NServiceBus.Extensions.DependencyInjection package or via the .NET Generic Host.

In NServiceBus version 8, NServiceBus will no longer provide adapters for external dependency injection containers.

Visit the dependency injection upgrade guide for further information.

NServiceBus can be configured to use Unity for dependency injection.

Default usage

endpointConfiguration.UseContainer<UnityBuilder>();

Using an existing container

var container = new UnityContainer();
container.RegisterInstance(new MyService());
endpointConfiguration.UseContainer<UnityBuilder>(
    customizations: customizations =>
    {
        customizations.UseExistingContainer(container);
    });

DependencyLifecycle mapping

DependencyLifecycle maps to Unity lifetime managers as follows:

DependencyLifecycleUnity Equivalent
InstancePerCallTransientLifetimeManager
InstancePerUnitOfWorkHierarchicalLifetimeManager
SingleInstanceContainerControlledLifetimeManager

Property Injection

This dependency injection container adapter automatically enables property injection for known types. Use the Func overload of .ConfigureComponent to get full control over the injected properties if needed.

Samples


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