DocSpace-client/common/services/ASC.Feed.Aggregator/Service/FeedBaseService.cs

namespace ASC.Feed.Aggregator.Service
{
    [Singletone(Additional = typeof(FeedAggregatorServiceExtension))]
    public abstract class FeedBaseService : IHostedService, IDisposable
    {
        protected Timer Timer;
        protected volatile bool IsStopped;
        protected readonly ILog Logger;
        protected readonly FeedSettings FeedSettings;
        protected readonly IServiceProvider ServiceProvider;
        protected readonly object LockObj = new object();

        public FeedBaseService(
            FeedSettings feedSettings,
            IServiceProvider serviceProvider,
            IOptionsMonitor<ILog> optionsMonitor)
        {
            FeedSettings = feedSettings;
            ServiceProvider = serviceProvider;
            Logger = optionsMonitor.Get("ASC.Feed.Agregator");
        }

        public abstract Task StartAsync(CancellationToken cancellationToken);

        public abstract Task StopAsync(CancellationToken cancellationToken);

        public void Dispose()
        {
            if (Timer == null)
            {
                return;
            }

            var handle = new AutoResetEvent(false);

            if (!Timer.Dispose(handle))
            {
                throw new Exception("Timer already disposed");
            }

            handle.WaitOne();
        }
    }
}