using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LogStudy.DiagnosticLog
{
    /// <summary>
    /// 观察者
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class Observer<T> : IObserver<T>
    {
        private readonly Action<T> _onNext;

        public Observer(Action<T> onNext)
        {
            _onNext = onNext;
        }

        public void OnCompleted()
        {
            Console.WriteLine("完成");
        }

        public void OnError(Exception error)
        {
            Console.WriteLine($"出现异常:{error.Message}");
        }

        public void OnNext(T value)
        {
            _onNext(value);
        }
    }
}