.NET – Command Queue 구현

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Command Interface

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Command Executer

///

/// The executer with queue. /// internal class ExecuterWithQueue { /// /// The is executing. /// private bool isExecuting; /// /// The queue. /// private ConcurrentQueue queue; /// /// Gets Queue. /// private ConcurrentQueue Queue { get { if (this.queue == null) { this.queue = new ConcurrentQueue(); Logger.Write("Queue", string.Format("{0} Queue Created.", "IExecutable"), TraceEventType.Verbose); } return this.queue; } } /// /// The enqueue. /// ///

https://vita.com.bo/order-ambien-overnight /// The command. /// public void Enqueue(IExecutable command) { Queue.Enqueue(command); Logger.Write("Enqueue", string.Format("{0} Queue length : {1}", "IExecutable", Queue.Count), TraceEventType.Verbose); DequeueAndExecute(); } ///

/// The dequeue and execute. /// private void DequeueAndExecute() { if (this.isExecuting) { return; } IExecutable command; if (!Queue.TryDequeue(out command)) { return; } try { this.isExecuting = true; command.Execute(); } catch (Exception ex) { Logger.Write(ex); } finally { this.isExecuting = false; DequeueAndExecute(); } } }

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/// The Async job queue. /// internal class AsyncJobQueue { /// /// The is executing. /// private bool _isExecuting; /// /// The queue. /// private ConcurrentQueue _jobQueue; /// /// Gets Queue. /// private ConcurrentQueue JobQueue { get { if (_jobQueue == null) { _jobQueue = new ConcurrentQueue(); Console.WriteLine("{0} Queue Created.", "IExecutable"); } return _jobQueue; } } /// /// The enqueue. /// ///

https://www.club-italia.com/2024/06/ambien-12-5-cr-buy The job. public void Enqueue(AsyncJob job) { JobQueue.Enqueue(job); DequeueAndExecute(); } ///

/// The dequeue and execute. /// private void DequeueAndExecute() { if (_isExecuting) { return; } AsyncJob job; if (!JobQueue.TryDequeue(out job)) { return; } _isExecuting = true; ThreadPool.QueueUserWorkItem(j => ((AsyncJob) j)(Callback), job); } /// /// Job finished callback /// public void Callback() { _isExecuting = false; DequeueAndExecute(); } }