基于雪花算法实现增强版ID生成器详解

<dependency>
    <groupId>io.github.mocreates</groupId>
    <artifactId>uid-generator</artifactId>
    <version>2.0-RELEASE</version>
</dependency>

    @Bean
    public Sequence sequence() {
        SequenceConfig sequenceConfig = new SimpleSequenceConfig();
        return new Sequence(sequenceConfig);
    }

    @Autowired
    private Sequence sequence;
    
    public long generateId() {
        return sequence.nextId();
    }

<dependency>
    <groupId>io.github.mocreates</groupId>
    <artifactId>uid-generator</artifactId>
    <version>2.0-RELEASE</version>
</dependency>

CREATE TABLE `worker_node` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `node_info` varchar(512) NOT NULL,
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `gmt_modify` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='DB WorkerID Assigner for UID Generator';

    @Bean
    public Sequence sequence(WorkerNodeMapper workerNodeMapper) throws UnknownHostException {
        WorkerNode workerNode = new WorkerNode();
        InetAddress localHost = InetAddress.getLocalHost();
        workerNode.setNodeInfo(localHost.toString());
        workerNodeMapper.insertSelective(workerNode);
        DefaultSequenceConfig defaultSequenceConfig = new DefaultSequenceConfig();
        defaultSequenceConfig.setWorkerId(workerNode.getId());
        return new Sequence(defaultSequenceConfig);
    }

    @Autowired
    private Sequence sequence;
    
    public long generateId() {
        return sequence.nextId();
    }

    private static final DefaultSequenceConfig SEQUENCE_CONFIG = new DefaultSequenceConfig();

    static {
        SEQUENCE_CONFIG.setSequenceBits(22);
        SEQUENCE_CONFIG.setWorkerIdBits(0);
        SEQUENCE_CONFIG.setDatacenterIdBits(0);
        SEQUENCE_CONFIG.setTwepoch(System.currentTimeMillis());

        SEQUENCE_CONFIG.setWorkerId(0L);
        SEQUENCE_CONFIG.setDatacenterId(0L);
    }
    private static final Sequence SEQUENCE = new Sequence(SEQUENCE_CONFIG);

@BenchmarkMode(Mode.Throughput)
@Threads(10)
@Warmup(iterations = 3, time = 10, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 10, time = 10, timeUnit = TimeUnit.SECONDS)
@State(value = Scope.Benchmark)
@Fork(1)
@OutputTimeUnit(TimeUnit.SECONDS)