Shulou(Shulou.com)06/03 Report--

This article introduces the relevant knowledge of "how to write the snowflake algorithm code of Java". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Package com.java265.other;public class Test {/ / because the first bit in the binary is 1, then it is all negative, but the id we generate is all positive, so the first bit is all 0. / / Machine ID 2-bit 5-bit 32-bit minus 1-bit 31 private long workerId; / / computer room ID 2-bit 5-bit 32-bit minus 1-bit 31 private long datacenterId; / / represents the latest sequence number of multiple id generated in one millisecond 12-bit 4096-1 = 4095 private long sequence; / / set a time initial value 2 ^ 41-1 can almost use 69 years private long twepoch = 15856442688L / / 5-bit machine id private long workerIdBits = 5L; / 5-bit computer room id private long datacenterIdBits = 5L; / / the number of id generated per millisecond 2 to the power of 12 private long sequenceBits = 12L; / / this is a binary operation, that is, 5 bit can only have up to 31 digits, that is, the machine id can only be less than 32 private long maxWorkerId =-1L ^ (- 1L)

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