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More container guidance #6486

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merged 5 commits into from Mar 11, 2024
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More container guidance #6486

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ff59696
Mention MS guidelines and special cases
danielmarbach Mar 11, 2024
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Mention ambivalent behavior
danielmarbach Mar 11, 2024
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danielmarbach Mar 11, 2024
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Link stages
danielmarbach Mar 11, 2024
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Update nservicebus/pipeline/manipulate-with-behaviors.md
danielmarbach Mar 11, 2024
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6 changes: 6 additions & 0 deletions nservicebus/dependency-injection/index_ownership_core_[8.0,).partial.md
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Expand Up @@ -77,3 +77,9 @@ The [NServiceBus.Extensions.DependencyInjection Usage sample](/samples/dependenc
## Microsoft Generic Host

When hosting NServiceBus with the [Microsoft Generic Host](https://docs.microsoft.com/en-us/aspnet/core/fundamentals/host/generic-host) using the `NServiceBus.Extensions.Hosting` package, refer to the [configure custom containers documentation](/nservicebus/hosting/extensions-hosting.md#dependency-injection-integration-configure-custom-containers) for further details.

## Resolving dependencies

It is recommended to follow the [dependency injection guidelines](https://learn.microsoft.com/en-us/dotnet/core/extensions/dependency-injection-guidelines) for .NET. Be aware of the following special cases with NServiceBus:

- [Injecting dependencies into behaviors](/nservicebus/pipeline/manipulate-with-behaviors.md)
4 changes: 4 additions & 0 deletions nservicebus/pipeline/manipulate-with-behaviors.md
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Expand Up @@ -93,6 +93,10 @@ snippet: InjectingDependencies

Dependencies injected into the constructor of a behavior become singletons regardless of their actual scope on the dependency injection container. In order to create instances per request or scoped dependencies it is required to use the builder that is available on the context.

The service provider available via the context varies depending on the pipeline stage. [Pipeline stages used within the context of an incoming message](/nservicebus/pipeline/steps-stages-connectors.md#stages-incoming-pipeline-stages) exposes a new child service provider created for each incoming message. All other use cases exposes the root service provider.

Behaviors in the [outgoing pipeline stage](/nservicebus/pipeline/steps-stages-connectors.md#stages-outgoing-pipeline-stages) exhibit different behaviors depending on how they are invoked. For example, when an outgoing behavior is invoked within the context of a message session the root service provider is exposed while when the same outgoing behavior is invoked within the scope of an incoming message, the child service provider for the incoming message will be used.

partial: options

include: mutators-versus-behaviors