■ Parallel 클래스의 ForEach 정적 메소드를 사용해 합계를 구하는 방법을 보여준다.
▶ Program.cs
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using System; using System.Collections.Generic; using System.Threading.Tasks; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 합계 구하기 - GetSummary(sourceEnumerable) /// <summary> /// 합계 구하기 /// </summary> /// <param name="sourceEnumerable">소스 열거 가능형</param> /// <returns>합계</returns> private static int GetSummary(IEnumerable<int> sourceEnumerable) { object mutex = new object(); int totalValue = 0; Parallel.ForEach ( source : sourceEnumerable, localInit : () => 0, body : (item, state, localValue) => localValue + item, localFinally : localValue => { lock(mutex) { totalValue += localValue; } } ); return totalValue; } #endregion #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { int[] valueArray = new int[] { 10, 20, 30, 20, 10, 30, 40 , 50 }; int summrary = GetSummary(valueArray); Console.WriteLine(summrary); } #endregion } } |
