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C# ConcurrentExclusiveSchedulerPair.ConcurrentScheduler屬性代碼示例

本文整理匯總了C#中System.Threading.Tasks.ConcurrentExclusiveSchedulerPair.ConcurrentScheduler屬性的典型用法代碼示例。如果您正苦於以下問題:C# ConcurrentExclusiveSchedulerPair.ConcurrentScheduler屬性的具體用法?C# ConcurrentExclusiveSchedulerPair.ConcurrentScheduler怎麽用?C# ConcurrentExclusiveSchedulerPair.ConcurrentScheduler使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在System.Threading.Tasks.ConcurrentExclusiveSchedulerPair的用法示例。


在下文中一共展示了ConcurrentExclusiveSchedulerPair.ConcurrentScheduler屬性的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: ConcurrentExclusiveSchedulerPair

// Create a ConcurrentExclusiveSchedulerPair object.
// Readers will run on the concurrent part of the scheduler pair.
// The writer will run on the exclusive part of the scheduler pair.
var taskSchedulerPair = new ConcurrentExclusiveSchedulerPair();

// Create an ActionBlock<int> object for each reader CheckBox object.
// Each ActionBlock<int> object represents an action that can read 
// from a resource in parallel to other readers.
// Specifying the concurrent part of the scheduler pair enables the 
// reader to run in parallel to other actions that are managed by 
// that scheduler.
var readerActions = 
   from checkBox in new CheckBox[] {checkBox1, checkBox2, checkBox3}
   select new ActionBlock<int>(milliseconds =>
   {
      // Toggle the check box to the checked state.
      toggleCheckBox.Post(checkBox);

      // Perform the read action. For demonstration, suspend the current
      // thread to simulate a lengthy read operation.
      Thread.Sleep(milliseconds);

      // Toggle the check box to the unchecked state.
      toggleCheckBox.Post(checkBox);
   },
   new ExecutionDataflowBlockOptions
   {
      TaskScheduler = taskSchedulerPair.ConcurrentScheduler
   });

// Create an ActionBlock<int> object for the writer CheckBox object.
// This ActionBlock<int> object represents an action that writes to 
// a resource, but cannot run in parallel to readers.
// Specifying the exclusive part of the scheduler pair enables the 
// writer to run in exclusively with respect to other actions that are 
// managed by the scheduler pair.
var writerAction = new ActionBlock<int>(milliseconds =>
{
   // Toggle the check box to the checked state.
   toggleCheckBox.Post(checkBox4);

   // Perform the write action. For demonstration, suspend the current
   // thread to simulate a lengthy write operation.
   Thread.Sleep(milliseconds);

   // Toggle the check box to the unchecked state.
   toggleCheckBox.Post(checkBox4);
},
new ExecutionDataflowBlockOptions
{
   TaskScheduler = taskSchedulerPair.ExclusiveScheduler
});

// Link the broadcaster to each reader and writer block.
// The BroadcastBlock<T> class propagates values that it 
// receives to all connected targets.
foreach (var readerAction in readerActions)
{
   broadcaster.LinkTo(readerAction);
}
broadcaster.LinkTo(writerAction);
開發者ID:.NET開發者,項目名稱:System.Threading.Tasks,代碼行數:61,代碼來源:ConcurrentExclusiveSchedulerPair.ConcurrentScheduler


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