wehub-resource-sync
48 lines
2.1 KiB
C#
48 lines
2.1 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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using System.Text.Json;
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using Microsoft.Extensions.Configuration;
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using Microsoft.SemanticKernel;
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using SemanticKernel.AotCompatibility.JsonSerializerContexts;
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using SemanticKernel.AotCompatibility.Plugins;
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namespace SemanticKernel.AotCompatibility;
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/// <summary>
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/// This class contains samples of how to create and invoke kernel functions in AOT applications.
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/// </summary>
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internal static class KernelFunctionSamples
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{
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/// <summary>
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/// Creates a kernel function from a lambda and invokes it.
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/// </summary>
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/// <remarks>
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/// Other overloads of KernelFunctionFactory.CreateFromMethod can also be used to create functions,
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/// as well as the Kernel.CreateFunctionFromMethod extension methods.
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/// </remarks>
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public static async Task CreateFunctionFromLambda(IConfigurationRoot _)
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{
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Kernel kernel = new();
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// Create JsonSerializerOptions with custom JsonSerializerContexts for the Location and Weather types that are used in the lambda below.
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// This is necessary for JsonSerializer to infer the type information for these types in AOT applications.
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JsonSerializerOptions options = new();
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options.TypeInfoResolverChain.Add(WeatherJsonSerializerContext.Default);
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options.TypeInfoResolverChain.Add(LocationJsonSerializerContext.Default);
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// Create a kernel function.
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KernelFunction function = KernelFunctionFactory.CreateFromMethod(
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method: (Location location) => location.City == "Boston" ? new Weather { Temperature = 61, Condition = "rainy" } : throw new NotImplementedException(),
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jsonSerializerOptions: options);
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// Invoke the function
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KernelArguments arguments = new() { ["location"] = new Location("USA", "Boston") };
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FunctionResult functionResult = await function.InvokeAsync(kernel, arguments);
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// Display the result
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Weather weather = functionResult.GetValue<Weather>()!;
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Console.WriteLine($"Temperature: {weather.Temperature}, Condition: {weather.Condition}");
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}
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}
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