dotnet-sdk/samples/Client/DaprClient/StateStoreExample.cs

// ------------------------------------------------------------
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
// ------------------------------------------------------------

using System;
using System.Threading;
using System.Threading.Tasks;
using Dapr.Client;

namespace Samples.Client
{
    public class StateStoreExample : Example
    {
        private static readonly string stateKeyName = "widget";
        private static readonly string storeName = "statestore";

        public override string DisplayName => "Using the State Store";

        public override async Task RunAsync(CancellationToken cancellationToken)
        {
            using var client = new DaprClientBuilder().Build();

            var state = new Widget() { Size = "small", Color = "yellow", };
            await client.SaveStateAsync(storeName, stateKeyName, state, cancellationToken: cancellationToken);
            Console.WriteLine("Saved State!");

            state = await client.GetStateAsync<Widget>(storeName, stateKeyName, cancellationToken: cancellationToken);
            if (state == null)
            {
                Console.WriteLine("State not found in store");
            }
            else
            {
                Console.WriteLine($"Got State: {state.Size} {state.Color}");
            }

            await client.DeleteStateAsync(storeName, stateKeyName, cancellationToken: cancellationToken);
            Console.WriteLine("Deleted State!");
        }

        private class Widget
        {
            public string? Size { get; set; }
            public string? Color { get; set; }
        }
    }
}