SimpleService

using System.Web;
using System.Web.Caching;

namespace DriftinfoSystem
{
	public class Global : HttpApplication
	{
    private const string DummyCacheItem = "SimpleWindowsService";
    private static CacheItemRemovedCallback _onCacheRemove;
 
		protected void Application_Start(object sender, EventArgs e)
		{
			AddTask();
            //AddTaskFetchDatabaseSync();
		}

		/// <summary>
		/// This task emulates a scheduled windows service as explained here:
		/// </summary>
		private void AddTask()
		{
			_onCacheRemove = new CacheItemRemovedCallback(CacheItemRemoved);
			HttpRuntime.Cache.Insert(DummyCacheItem, 120, null,
			                         DateTime.Now.AddSeconds(120), Cache.NoSlidingExpiration,
			                         CacheItemPriority.NotRemovable, _onCacheRemove);
		}

		public void CacheItemRemoved(string key, object value, CacheItemRemovedReason reason)
		{
			EmailAgent.TriggerAgent(true);
			AddTask();
		}
	}
}