namespace IStation
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{
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/// <summary>
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/// 雪花Id辅助类
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/// </summary>
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public class SnowflakeIdHelper
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{
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SnowflakeIdHelper()
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{
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var options = new IdGeneratorOptions(1); //构造方法初始化雪花Id
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YitIdHelper.SetIdGenerator(options);
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}
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private static IIdGenerator _IdGenInstance = null;
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public static IIdGenerator IdGenInstance => _IdGenInstance;
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/// <summary>
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/// 设置参数，建议程序初始化时执行一次
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/// </summary>
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/// <param name="workerId">workerId</param>
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public static void SetIdGenerator(ushort workerId)
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{
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var options = new IdGeneratorOptions() { WorkerId = workerId };
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_IdGenInstance = new DefaultIdGenerator(options);
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}
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/// <summary>
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/// 生成新的Id
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/// 调用本方法前，请确保调用了 SetIdGenerator 方法做初始化。
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/// 否则将会初始化一个WorkerId为1的对象。
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/// </summary>
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/// <returns></returns>
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public static long NextId()
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{
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if (_IdGenInstance == null)
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{
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_IdGenInstance = new DefaultIdGenerator(
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new IdGeneratorOptions() { WorkerId = 0 }
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);
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}
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return _IdGenInstance.NewLong();
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}
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}
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}
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