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GrainCallFilterExtensions.cs
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GrainCallFilterExtensions.cs
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using System;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
namespace Orleans.Hosting
{
public static class GrainCallFilterExtensions
{
/// <summary>
/// Adds an <see cref="IIncomingGrainCallFilter"/> to the filter pipeline.
/// </summary>
/// <param name="services">The service collection.</param>
/// <param name="filter">The filter.</param>
/// <returns>The service collection.</returns>
[Obsolete("Use ISiloHostBuilder." + nameof(AddIncomingGrainCallFilter), error: true)]
public static IServiceCollection AddGrainCallFilter(this IServiceCollection services, IIncomingGrainCallFilter filter)
{
throw new NotSupportedException($"{nameof(AddGrainCallFilter)} is no longer supported. Use ISiloHostBuilder.AddIncomingGrainCallFilter(...) instead.");
}
/// <summary>
/// Adds an <see cref="IIncomingGrainCallFilter"/> to the filter pipeline.
/// </summary>
/// <typeparam name="TImplementation">The filter implementation type.</typeparam>
/// <param name="services">The service collection.</param>
/// <returns>The service collection.</returns>
[Obsolete("Use ISiloHostBuilder." + nameof(AddIncomingGrainCallFilter), error: true)]
public static IServiceCollection AddGrainCallFilter<TImplementation>(this IServiceCollection services)
where TImplementation : class, IIncomingGrainCallFilter
{
throw new NotSupportedException($"{nameof(AddGrainCallFilter)} is no longer supported. Use ISiloHostBuilder.AddIncomingGrainCallFilter(...) instead.");
}
/// <summary>
/// Adds an <see cref="IIncomingGrainCallFilter"/> to the filter pipeline via a delegate.
/// </summary>
/// <param name="services">The service collection.</param>
/// <param name="filter">The filter.</param>
/// <returns>The service collection.</returns>
[Obsolete("Use ISiloHostBuilder." + nameof(AddIncomingGrainCallFilter), error: true)]
public static IServiceCollection AddGrainCallFilter(this IServiceCollection services, GrainCallFilterDelegate filter)
{
throw new NotSupportedException($"{nameof(AddGrainCallFilter)} is no longer supported. Use ISiloHostBuilder.AddIncomingGrainCallFilter(...) instead.");
}
/// <summary>
/// Adds an <see cref="IIncomingGrainCallFilter"/> to the filter pipeline.
/// </summary>
/// <param name="services">The service collection.</param>
/// <param name="filter">The filter.</param>
/// <returns>The service collection.</returns>
internal static IServiceCollection AddIncomingGrainCallFilter(this IServiceCollection services, IIncomingGrainCallFilter filter)
{
return services.AddSingleton(filter);
}
/// <summary>
/// Adds an <see cref="IIncomingGrainCallFilter"/> to the filter pipeline.
/// </summary>
/// <typeparam name="TImplementation">The filter implementation type.</typeparam>
/// <param name="services">The service collection.</param>
/// <returns>The service collection.</returns>
internal static IServiceCollection AddIncomingGrainCallFilter<TImplementation>(this IServiceCollection services)
where TImplementation : class, IIncomingGrainCallFilter
{
return services.AddSingleton<IIncomingGrainCallFilter, TImplementation>();
}
/// <summary>
/// Adds an <see cref="IIncomingGrainCallFilter"/> to the filter pipeline via a delegate.
/// </summary>
/// <param name="services">The service collection.</param>
/// <param name="filter">The filter.</param>
/// <returns>The service collection.</returns>
internal static IServiceCollection AddIncomingGrainCallFilter(this IServiceCollection services, IncomingGrainCallFilterDelegate filter)
{
return services.AddSingleton<IIncomingGrainCallFilter>(new IncomingGrainCallFilterWrapper(filter));
}
/// <summary>
/// Adds an <see cref="IOutgoingGrainCallFilter"/> to the filter pipeline.
/// </summary>
/// <param name="services">The service collection.</param>
/// <param name="filter">The filter.</param>
/// <returns>The service collection.</returns>
internal static IServiceCollection AddOutgoingGrainCallFilter(this IServiceCollection services, IOutgoingGrainCallFilter filter)
{
return services.AddSingleton(filter);
}
/// <summary>
/// Adds an <see cref="IOutgoingGrainCallFilter"/> to the filter pipeline.
/// </summary>
/// <typeparam name="TImplementation">The filter implementation type.</typeparam>
/// <param name="services">The service collection.</param>
/// <returns>The service collection.</returns>
internal static IServiceCollection AddOutgoingGrainCallFilter<TImplementation>(this IServiceCollection services)
where TImplementation : class, IOutgoingGrainCallFilter
{
return services.AddSingleton<IOutgoingGrainCallFilter, TImplementation>();
}
/// <summary>
/// Adds an <see cref="IOutgoingGrainCallFilter"/> to the filter pipeline via a delegate.
/// </summary>
/// <param name="services">The service collection.</param>
/// <param name="filter">The filter.</param>
/// <returns>The service collection.</returns>
internal static IServiceCollection AddOutgoingGrainCallFilter(this IServiceCollection services, OutgoingGrainCallFilterDelegate filter)
{
return services.AddSingleton<IOutgoingGrainCallFilter>(new OutgoingGrainCallFilterWrapper(filter));
}
private class OutgoingGrainCallFilterWrapper : IOutgoingGrainCallFilter
{
private readonly OutgoingGrainCallFilterDelegate interceptor;
public OutgoingGrainCallFilterWrapper(OutgoingGrainCallFilterDelegate interceptor)
{
this.interceptor = interceptor;
}
public Task Invoke(IOutgoingGrainCallContext context) => this.interceptor.Invoke(context);
}
private class IncomingGrainCallFilterWrapper : IIncomingGrainCallFilter
{
private readonly IncomingGrainCallFilterDelegate interceptor;
public IncomingGrainCallFilterWrapper(IncomingGrainCallFilterDelegate interceptor)
{
this.interceptor = interceptor;
}
public Task Invoke(IIncomingGrainCallContext context) => this.interceptor.Invoke(context);
}
}
}