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C# ConcurrentDictionary.ElementAt方法代码示例

本文整理汇总了C#中ConcurrentDictionary.ElementAt方法的典型用法代码示例。如果您正苦于以下问题:C# ConcurrentDictionary.ElementAt方法的具体用法?C# ConcurrentDictionary.ElementAt怎么用?C# ConcurrentDictionary.ElementAt使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ConcurrentDictionary的用法示例。


在下文中一共展示了ConcurrentDictionary.ElementAt方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Parallel_PutGetDelete_Random

      public void Parallel_PutGetDelete_Random()
      {
        const int PUTTER_CNT  = 2, PUTTER_OP_CNT  = 2 * 10000;
        const int GETTER_CNT  = 6, GETTER_OP_CNT  = 2 * 30000;
        const int DELETER_CNT = 2, DELETER_OP_CNT = 2 * 10000;

        var data = new ConcurrentDictionary<PilePointer, string>();

        var getAccessViolations = new ConcurrentDictionary<int, int>();
        var deleteAccessViolations = new ConcurrentDictionary<int, int>();

        using (var pile = new DefaultPile())
        {
          pile.Start();

          var ipile = pile as IPile;

          // putter tasks
          var putters = new Task[PUTTER_CNT];
          for (int it = 0; it < PUTTER_CNT; it++)
          {
            var task = new Task(() => {

              for (int i = 0; i < PUTTER_OP_CNT; i++)
              {
                var str = NFX.Parsing.NaturalTextGenerator.Generate();
                var pp = ipile.Put(str);
                data.TryAdd(pp, str);
              }

            });

            putters[it] = task;
          }

          // getter tasks
          var getters = new Task[GETTER_CNT];
          for (int it = 0; it < GETTER_CNT; it++)
          {
            var task = new Task(() => {

              for (int i = 0; i < GETTER_OP_CNT; i++)
              {
                if (data.Count == 0) {
                  System.Threading.Thread.Yield();
                  continue;
                }
                var idx = ExternalRandomGenerator.Instance.NextScaledRandomInteger(0, data.Count-1);
                var kvp = data.ElementAt(idx);
                try
                {
                  
                  var str = ipile.Get(kvp.Key);
                  Assert.AreEqual(str, kvp.Value);
                }
                catch (PileAccessViolationException)
                {
                  getAccessViolations.AddOrUpdate(System.Threading.Thread.CurrentThread.ManagedThreadId, 1, (mid, val) => val + 1);
                }
              }
            });
            getters[it] = task;
          }

          // deleter tasks
          var deleters = new Task[DELETER_CNT];
          for (int it = 0; it < DELETER_CNT; it++)
          {
            var task = new Task(() => {

              for (int i = 0; i < DELETER_OP_CNT; i++)
              {
                if (data.Count == 0) {
                  System.Threading.Thread.Yield();
                  continue;
                }
                var idx = ExternalRandomGenerator.Instance.NextScaledRandomInteger(0, data.Count-1);
                var kvp = data.ElementAt(idx);
                try
                {
                  ipile.Delete(kvp.Key);
                }
                catch (PileAccessViolationException)
                {
                  deleteAccessViolations.AddOrUpdate(System.Threading.Thread.CurrentThread.ManagedThreadId, 1, (mid, val) => val + 1);
                }
              }
            });
            deleters[it] = task;
          }


          foreach (var task in putters) task.Start();
          foreach (var task in getters) task.Start();
          foreach (var task in deleters) task.Start();


          Task.WaitAll(putters.Concat(getters).Concat(deleters).ToArray());

          foreach (var kvp in getAccessViolations)
//.........这里部分代码省略.........
开发者ID:sergey-msu,项目名称:nfx,代码行数:101,代码来源:PileTest.cs


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