Microsoft.Orleans.Core.Abstractions 9.2.0-preview2

Microsoft Orleans Core Abstractions

Introduction

Microsoft Orleans Core Abstractions is the foundational library for Orleans containing the public programming APIs for implementing grains and client code. This package defines the core abstractions that form the Orleans programming model, including grain interfaces, grain reference interfaces, and attributes.

Getting Started

To use this package, install it via NuGet:

dotnet add package Microsoft.Orleans.Core.Abstractions

This package is a dependency of both client and silo (server) applications and is automatically included when you reference the Orleans SDK or the Orleans client/server metapackages.

Example - Defining a Grain Interface

using Orleans;

namespace MyGrainInterfaces;

public interface IHelloGrain : IGrainWithStringKey
{
    Task<string> SayHello(string greeting);
}

Documentation

For more comprehensive documentation, please refer to:

Feedback & Contributing

Showing the top 20 packages that depend on Microsoft.Orleans.Core.Abstractions.

Packages Downloads
Microsoft.Orleans.Reminders
Reminders library for Microsoft Orleans used on the server.
18
Microsoft.Orleans.Core
Core library of Microsoft Orleans used both on the client and server.
18
Microsoft.Orleans.Core
Core library of Microsoft Orleans used both on the client and server.
17
Microsoft.Orleans.Reminders
Reminders library for Microsoft Orleans used on the server.
17
Microsoft.Orleans.Core
Core library of Microsoft Orleans used both on the client and server.
16
Microsoft.Orleans.Reminders
Reminders library for Microsoft Orleans used both on the server.
16
Microsoft.Orleans.Reminders
Reminders library for Microsoft Orleans used on the server.
16
Microsoft.Orleans.OrleansRuntime
Core runtime library of Microsoft Orleans that hosts and executes grains within a silo.
16

Version Downloads Last updated
9.2.1 0 07/16/2025
9.2.0 0 07/14/2025
9.2.0-preview3 4 06/14/2025
9.2.0-preview2 5 06/07/2025
9.2.0-preview1 10 04/11/2025
9.1.2 9 02/27/2025
9.1.1 13 02/11/2025
9.0.1 14 11/24/2024
9.0.0 15 11/24/2024
8.2.0 16 10/08/2024
8.2.0-preview1 12 10/08/2024
8.1.0 10 10/08/2024
8.1.0-preview3 15 10/08/2024
8.1.0-preview2 9 10/08/2024
8.1.0-preview1 13 10/08/2024
8.0.0 12 10/08/2024
8.0.0-rc2 12 10/08/2024
8.0.0-rc1 13 10/08/2024
7.2.7 12 11/24/2024
7.2.6 12 10/08/2024
7.2.5 16 10/08/2024
7.2.4 13 10/08/2024
7.2.3 14 10/08/2024
7.2.2 10 10/08/2024
7.2.1 13 10/08/2024
7.2.0 14 10/07/2024
7.1.2 11 10/08/2024
7.1.1 12 10/08/2024
7.1.0 13 10/08/2024
7.0.0 12 10/08/2024
7.0.0-rc2 14 10/08/2024
4.0.0-preview2 13 10/08/2024
4.0.0-preview1 13 10/08/2024
3.8.0 4 05/10/2025
3.8.0-preview5 4 05/21/2025
3.8.0-preview3 10 04/11/2025
3.8.0-preview2 12 04/13/2025
3.8.0-preview1 9 04/07/2025
3.7.2 13 10/08/2024
3.7.1 9 10/08/2024
3.7.0 13 10/08/2024
3.6.5 9 10/08/2024
3.6.4 11 10/08/2024
3.6.3 16 10/08/2024
3.6.2 16 10/08/2024
3.6.1 14 10/08/2024
3.6.0 10 10/08/2024
3.5.1 10 10/08/2024
3.5.0 14 10/08/2024
3.4.4 13 10/08/2024
3.4.3 12 10/06/2024
3.4.2 11 10/08/2024
3.4.1 8 10/08/2024
3.4.0 15 10/08/2024
3.4.0-rc1 12 10/08/2024
3.3.0 13 10/08/2024
3.3.0-rc2 13 10/08/2024
3.3.0-rc1 8 10/08/2024
3.2.2 14 10/08/2024
3.2.1 9 10/08/2024
3.2.0 14 10/08/2024
3.2.0-rc2 13 10/08/2024
3.2.0-rc1 11 10/08/2024
3.1.7 10 10/08/2024
3.1.6 12 10/08/2024
3.1.5 11 10/08/2024
3.1.4 9 10/08/2024
3.1.3 10 11/16/2024
3.1.2 10 10/08/2024
3.1.0 10 10/08/2024
3.1.0-rc3 15 10/08/2024
3.1.0-rc2 15 10/08/2024
3.1.0-rc1 8 10/08/2024
3.0.2 12 10/08/2024
3.0.1 11 10/08/2024
3.0.0 11 10/08/2024
3.0.0-rc2 16 10/08/2024
3.0.0-rc1 12 10/08/2024
3.0.0-beta1 9 10/08/2024
2.4.5 13 10/08/2024
2.4.4 10 10/08/2024
2.4.3 13 10/08/2024
2.4.2 11 10/08/2024
2.4.1 13 10/08/2024
2.4.0 10 10/08/2024
2.3.6 12 10/08/2024
2.3.5 14 10/08/2024
2.3.4 10 10/08/2024
2.3.3 10 10/08/2024
2.3.2 11 10/08/2024
2.3.1 10 10/08/2024
2.3.0 10 10/08/2024
2.3.0-rc2 10 10/08/2024
2.3.0-rc1 11 10/08/2024
2.2.0 15 10/08/2024
2.2.0-rc1 9 10/08/2024
2.2.0-beta1 13 10/05/2024
2.1.2 12 10/06/2024
2.1.0 12 10/08/2024
2.1.0-rc2 11 10/08/2024
2.1.0-rc1 12 10/08/2024
2.1.0-beta1 13 10/08/2024
2.0.0 10 10/08/2024
2.0.0-rc2 11 10/08/2024
2.0.0-rc1 14 10/08/2024
2.0.0-beta3 14 10/08/2024
2.0.0-beta2 13 10/08/2024
2.0.0-beta1 9 10/08/2024