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2013-10-21T14:22:56.003
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2013-10-21T14:22:56.003
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<p>You can enqueue requests into a Queue in memory and you can send them to a database periodically with use of Quartz .Net. You can simply make this in Global.asax.cs as follows:</p> <pre><code>public class RequestQueue { private readonly Queue<HttpRequest> _requestHistory; private RequestQueue() { _requestHistory = new Queue<HttpRequest>(); } private static RequestQueue _singleton; public static RequestQueue Instance() { if (_singleton == null) _singleton = new RequestQueue(); return _singleton; } public void Enqueue(HttpRequest request) { _requestHistory.Enqueue(request); } public void Flush() { while (_requestHistory.Count > 0) { var request = _requestHistory.Dequeue(); try { //Write request To Db } catch (Exception) { _requestHistory.Enqueue(request); } } } } public class WebApiApplication : System.Web.HttpApplication { public WebApiApplication() { base.BeginRequest += delegate { RequestQueue.Instance().Enqueue(HttpContext.Current.Request); }; } private void InitializeQuartz() { ISchedulerFactory sf = new StdSchedulerFactory(); IScheduler sched = sf.GetScheduler(); DateTimeOffset runTime = DateBuilder.EvenMinuteDate(DateTime.UtcNow); DateTimeOffset startTime = DateBuilder.NextGivenSecondDate(null, 5); IJobDetail job = JobBuilder.Create<QueueConsumer>() .WithIdentity("job1", "group1") .Build(); ITrigger trigger = TriggerBuilder.Create() .WithIdentity("trigger1", "group1") .StartAt(runTime) .WithCronSchedule("5 0/1 * * * ?") .Build(); sched.ScheduleJob(job, trigger); sched.Start(); } public class QueueConsumer : IJob { public void Execute(IJobExecutionContext context) { RequestQueue.Instance().Flush(); } } protected void Application_Start() { InitializeQuartz(); </code></pre>
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1. POHow to maintain state or queue of requests in Web API
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1. USmecek
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