68 lines
2.0 KiB
C#
68 lines
2.0 KiB
C#
/*
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Copyright (c) Microsoft Corporation
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All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
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compliance with the License. You may obtain a copy of the License
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at http://www.apache.org/licenses/LICENSE-2.0
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THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER
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EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
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TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
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See the Apache Version 2.0 License for specific language governing permissions and
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limitations under the License.
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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.Text;
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namespace Microsoft.Research.DryadLinq
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{
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public interface IDecomposable<TSource, TAccumulate, TResult>
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{
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void Initialize(object state);
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TAccumulate Seed(TSource val);
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TAccumulate Accumulate(TAccumulate acc, TSource val);
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TAccumulate RecursiveAccumulate(TAccumulate acc, TAccumulate val);
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TResult FinalReduce(TAccumulate val);
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}
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public static class GenericDecomposable<TDecomposable, TSource, TAccumulate, TResult>
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where TDecomposable : IDecomposable<TSource, TAccumulate, TResult>, new()
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{
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private static TDecomposable d = new TDecomposable();
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public static void Initialize(object state)
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{
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d.Initialize(state);
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}
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public static TAccumulate Seed(TSource val)
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{
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return d.Seed(val);
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}
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public static TAccumulate Accumulate(TAccumulate acc, TSource val)
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{
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return d.Accumulate(acc, val);
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}
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public static TAccumulate RecursiveAccumulate(TAccumulate acc, TAccumulate val)
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{
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return d.RecursiveAccumulate(acc, val);
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}
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public static TResult FinalReduce(TAccumulate val)
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{
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return d.FinalReduce(val);
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}
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}
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}
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