public void Snowflake_Test()
{
var snowflake = new SnowflakeDistributeId(1);
var v1 = snowflake.NextId();
var v2 = snowflake.NextId();
var v3 = SnowflakeDistributeId.GenerateNextId();
Assert.True(v1 > 0);
Assert.True(v2 > 0);
Assert.True(v3 > 0);
var snowflake2 = new SnowflakeDistributeId(0L, 0L);
var v2_1 = snowflake2.NextId();
var v2_2 = snowflake2.NextId();
Assert.True(v2_1 > 0);
Assert.True(v2_2 > 0);
Assert.Throws <ArgumentException>(() =>
{
var snowflake3 = new SnowflakeDistributeId(1000);
});
Assert.Throws <ArgumentException>(() =>
{
var snowflake3 = new SnowflakeDistributeId(1L, 300);
});
Assert.Throws <InvalidTimeZoneException>(() =>
{
var snowflake3 = new SnowflakeDistributeId(0L, 0L);
var lastTimestampValue = (long)(DateTime.Now.AddDays(10) - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
BindingFlags flag = BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Instance;
FieldInfo f_lastTimestamp = typeof(SnowflakeDistributeId).GetField("lastTimestamp", flag);
f_lastTimestamp.SetValue(snowflake3, lastTimestampValue);
var r = snowflake3.NextId();
});
{
BindingFlags flag = BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Instance;
FieldInfo f_lastTimestamp = typeof(SnowflakeDistributeId).GetField("lastTimestamp", flag);
var lastTimestamp = f_lastTimestamp.GetValue(snowflake);
MethodInfo method = snowflake.GetType().GetMethod("TilNextMillis", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Instance);
var next = Convert.ToInt64(method.Invoke(snowflake, new object[] { lastTimestamp }));
Assert.True(next > 0);
}
}
public SnowflakeIdGenerator(IOptions <SnowflakeIdOptions> options)
{
SnowflakeDistributeId = new SnowflakeDistributeId(options.Value.WorkerId, options.Value.DatacenterId);
}
/// <summary>Ctor
/// </summary>
public SnowflakeIdGenerator(IOptions <SnowflakeIdGeneratorOption> option)
{
_option = option.Value;
_snowflakeDistributeId = new SnowflakeDistributeId(_option.WorkerId, _option.DataCenterId);
}