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

namespace JiShe.CollectBus.Kafka.Consumer
{
    public interface IConsumerService<TKey, TValue>
    {
        Task SubscribeAsync(string topic, Func<TKey, TValue, Task> messageHandler);
        void Unsubscribe();
        void Dispose();

        /// <summary>
        /// 订阅多个topic
        /// </summary>
        /// <param name="topics"></param>
        /// <param name="messageHandler"></param>
        /// <returns></returns>
        Task SubscribeAsync(string[] topics, Func<TKey, TValue, Task> messageHandler);
    }
}