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39 lines
1.3 KiB
39 lines
1.3 KiB
// ==========================================================================
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// FuncDispatcher.cs
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// PinkParrot Headless CMS
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// ==========================================================================
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// Copyright (c) PinkParrot Group
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// All rights reserved.
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// ==========================================================================
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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namespace PinkParrot.Infrastructure.Dispatching
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{
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public sealed class FuncDispatcher<TTarget, TIn, TOut>
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{
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private static readonly Dictionary<Type, Func<TTarget, object, TOut>> Handlers;
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static FuncDispatcher()
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{
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Handlers =
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typeof(TTarget)
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.GetMethods()
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.Where(Helper.HasRightName)
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.Where(Helper.HasRightParameters<TIn>)
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.Where(Helper.HasRightReturnType<TOut>)
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.Select(FuncDispatcherFactory.CreateFuncHandler<TTarget, TOut>)
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.ToDictionary(h => h.Item1, h => h.Item2);
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}
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public static TOut Dispatch(TTarget target, TIn item)
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{
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Func<TTarget, object, TOut> handler;
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return Handlers.TryGetValue(item.GetType(), out handler) ? handler(target, item) : default(TOut);
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}
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}
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}
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