<PackageReference Include="Polly.Core" Version="8.4.1" />

ResiliencePipelineProvider<TKey>

public abstract class ResiliencePipelineProvider<TKey>
Represents a provider for resilience pipelines that are accessible by TKey.
using System.Collections.Generic; using System.Diagnostics.CodeAnalysis; using System.Runtime.CompilerServices; namespace Polly.Registry { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] public abstract class ResiliencePipelineProvider<TKey> { public virtual ResiliencePipeline GetPipeline(TKey key) { if (TryGetPipeline(key, out ResiliencePipeline pipeline)) return pipeline; throw new KeyNotFoundException($"""{key}""" + "Please ensure that either the resilience pipeline or the builder is registered."); } public virtual ResiliencePipeline<TResult> GetPipeline<[System.Runtime.CompilerServices.Nullable(2)] TResult>(TKey key) { if (TryGetPipeline(key, out ResiliencePipeline<TResult> pipeline)) return pipeline; throw new KeyNotFoundException($"""{typeof(TResult).Name}""{key}""" + "Please ensure that either the generic resilience pipeline or the generic builder is registered."); } public abstract bool TryGetPipeline(TKey key, [System.Runtime.CompilerServices.Nullable(2)] [System.Diagnostics.CodeAnalysis.NotNullWhen(true)] out ResiliencePipeline pipeline); public abstract bool TryGetPipeline<[System.Runtime.CompilerServices.Nullable(2)] TResult>(TKey key, [System.Runtime.CompilerServices.Nullable(new byte[] { 2, 1 })] [System.Diagnostics.CodeAnalysis.NotNullWhen(true)] out ResiliencePipeline<TResult> pipeline); } }