Redis生成Id主键的工具
public class PrimaryKeyGenerator { private static readonly NedisClient client = new NedisClient(GetRedisConfig()); /// <summary> /// 获取当前Redis配置实例 /// </summary> /// <returns></returns> private static RedisConfiguration GetRedisConfig() { string strRedisConfiguration = getRedisConfiguration(); RedisConfiguration redisConfig = JsonConvert.DeserializeObject<RedisConfiguration>(strRedisConfiguration); return redisConfig; } /// <summary> /// 获取RedisConfiguration配置字符串 /// </summary> /// <returns></returns> private static string getRedisConfiguration() { return "{\"MasterNumber\":1,\"Sentinel\":\"192.168.47.131:26379,192.168.47.140:26379,192.168.47.140:26380,192.168.47.139:26379\",\"SentinelConnectTimeout\":1000,\"ReadWriteSeparate\":true,\"MasterName\":\"masterredis131\",\"DbNumber\":2,\"PoolSizeMultiplier\":0,\"PoolTimeOutSeconds\":0}"; //using (var client = new ConsulClient()) //{ // var kvPair = client.KV.Get("redis/cluster/default/RedisConfig").Result; // if (kvPair.Response != null && kvPair.Response.Value != null) // { // return Encoding.UTF8.GetString(kvPair.Response.Value, 0, kvPair.Response.Value.Length); // } // return string.Empty; //} } /// <summary> /// 计算主键时的增量 /// </summary> private uint increment = 1; /// <summary> /// 业务IdKey /// </summary> private string busnessIdKey = string.Empty; /// <summary> /// 使用业务ID的key,ID增量初始化 /// </summary> /// <param name="BusnessIdKey">业务IdKey</param> /// <param name="Increment">id增量</param> public PrimaryKeyGenerator(string BusnessIdKey, uint Increment) { increment = Increment; busnessIdKey = BusnessIdKey; } /// <summary> /// 获取下一个主键ID /// </summary> /// <returns></returns> public Int64 GetNextID() { return client.Increment(busnessIdKey, increment); } }
测试代码:
class Program { static void Main(string[] args) { //设work IOCP min值 ThreadPool.SetMinThreads(300, 200); #region Id生成工具测试 //单线程测试 //GeneratorIDTest(); //多线程测试 for (int i = 0; i < 1000; i++) { ThreadStart num = new ThreadStart(GeneratorIDTest); Thread numThread = new Thread(num); numThread.Start(); } #endregion Console.WriteLine("开始" + ids.Count()+ "mainID:" + Thread.CurrentThread.ManagedThreadId.ToString()); Thread.Sleep(30000); Console.WriteLine("结束未去重:"+ids.Count()+"去重:"+ ids.Distinct().Count()); Console.WriteLine("结束未去重:" + safeIds.Count() + "去重:" + safeIds.Distinct().Count()); //Console.WriteLine("结束未去重:" + safeIds2.Count() + "去重:" + safeIds2.Distinct().Count()); Console.ReadKey(); } static List<long> ids = new List<long>(); //https://blog.csdn.net/liunianqingshi/article/details/79025818 static ConcurrentQueue<long> safeIds = new ConcurrentQueue<long>(); static Queue<long> safeIds2 = new Queue<long>(); private static void GeneratorIdTest() { var primaryKey = new PrimaryKeyGenerator("blog_id", 1); for (int i = 0; i < 50; i++) { var id = primaryKey.GetNextID(); ids.Add(id); safeIds.Enqueue(id); //safeIds2.Enqueue(id);//System.ArgumentException:“目标数组的长度不够。请检查 destIndex 和长度以及数组的下限。” Console.WriteLine("线程ID"+Thread.CurrentThread.ManagedThreadId.ToString() +":"+id); } } }