Knowledge check

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Check your knowledge

1.

What are grains in the context of Orleans?

Grains are streams that help developers process large series of data in real-time.

Grains manage collections of silos and the communication between them.

Grains are virtual actors comprised of a user-defined identity, behavior, and state.

Grains handle implementation details for different storage options for persistent state, such as Azure Blob Storage.

2.

Which of the following methods is NOT defined on the IPersistentState interface?

WriteStateAsync

ReadStateAsync

ClearStateAsync

DeleteStateAsync

3.

Which attribute should be applied to a grain constructor parameter to enable saving the state of the object?

StateFactory

PersistentState

IGrainWithStringKey

GrainState

4.

Which of the following lists of events accurately represents the order of a grain lifecycle?

Activating → Active → Deactivating → Persisted

Active → Persisted → Recycled

Activating → Inactive → Persisted

Active → Deactivating → Recycled → Initializing

You must answer all questions before checking your work.