using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Disruptor;
using Disruptor.Dsl;

namespace DisruptorTest
{
    public sealed class ValueEntry
    {
        public long Value { get; set; }

        public ValueEntry()
        {
            Console.WriteLine("New ValueEntry created");
        }
    }

    public class ValueAdditionHandler : IEventHandler<ValueEntry>
    {
        public void OnNext(ValueEntry data, long sequence, bool endOfBatch)
        {
            Console.WriteLine("Event handled: Value = {0} (processed event {1}", data.Value, sequence);
        }
    }

    class Program
    {
        private static readonly Random _random = new Random();
        private static const int RingSize = 16;  // Must be multiple of 2

        static void Main()
        {
            var disruptor = new Disruptor<ValueEntry>(() => new ValueEntry(), RingSize, TaskScheduler.Default);
            disruptor.HandleEventsWith(new ValueAdditionHandler());
            var ringBuffer = disruptor.Start();

            while (true)
            {
                long sequenceNo = ringBuffer.Next();
                ValueEntry entry = ringBuffer[sequenceNo];
                entry.Value = _random.Next();
                ringBuffer.Publish(sequenceNo);
                Console.WriteLine("Published entry {0}, value {1}", sequenceNo, entry.Value);
                Thread.Sleep(250);
            }
        }
    }
}