DROP TABLE IF EXISTS WORKER_NODE;CREATE TABLE WORKER_NODE
(
ID BIGINT NOT NULL AUTO_INCREMENT COMMENT 'auto increment id',
HOST_NAME VARCHAR(64) NOT NULL COMMENT 'host name',
PORT VARCHAR(64) NOT NULL COMMENT 'port',TYPE INT NOT NULL COMMENT 'node type: ACTUAL or CONTAINER',
LAUNCH_DATE DATE NOT NULL COMMENT 'launch date',
MODIFIED TIMESTAMP NOT NULL COMMENT 'modified time',
CREATED TIMESTAMP NOT NULL COMMENT 'created time',PRIMARY KEY(ID))
COMMENT='DB WorkerID Assigner for UID Generator',ENGINE = INNODB;

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="
    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd">
  <!-- UID generator -->
  <bean id="disposableWorkerIdAssigner" class="com.baidu.fsg.uid.worker.DisposableWorkerIdAssigner" />
  <bean id="cachedUidGenerator" class="com.baidu.fsg.uid.impl.CachedUidGenerator">
    <property name="workerIdAssigner" ref="disposableWorkerIdAssigner" />
    <!-- 以下為可選配置, 如未指定將采用默認(rèn)值 -->
    <!-- RingBuffer size擴(kuò)容參數(shù), 可提高UID生成的吞吐量. -->
    <!-- 默認(rèn):3， 原bufferSize=8192, 擴(kuò)容后bufferSize= 8192 << 3 = 65536 -->
    <!--<property name="boostPower" value="3"></property>-->
    
    <!-- 指定何時向RingBuffer中填充UID, 取值為百分比(0, 100), 默認(rèn)為50 -->
    <!-- 舉例: bufferSize=1024, paddingFactor=50 -> threshold=1024 * 50 / 100 = 512. -->
    <!-- 當(dāng)環(huán)上可用UID數(shù)量 < 512時, 將自動對RingBuffer進(jìn)行填充補(bǔ)全 -->
    <!--<property name="paddingFactor" value="50"></property>-->
    
    <!-- 另外一種RingBuffer填充時機(jī), 在Schedule線程中, 周期性檢查填充 -->
    <!-- 默認(rèn):不配置此項(xiàng), 即不實(shí)用Schedule線程. 如需使用, 請指定Schedule線程時間間隔, 單位:秒 -->
    <!--<property name="scheduleInterval" value="60"></property>-->
    
    <!-- 拒絕策略: 當(dāng)環(huán)已滿, 無法繼續(xù)填充時 -->
    <!-- 默認(rèn)無需指定, 將丟棄Put操作, 僅日志記錄. 如有特殊需求, 請實(shí)現(xiàn)RejectedPutBufferHandler接口(支持Lambda表達(dá)式) -->
    <!--<property name="rejectedPutBufferHandler" ref="XxxxYourPutRejectPolicy"></property>-->
    
    <!-- 拒絕策略: 當(dāng)環(huán)已空, 無法繼續(xù)獲取時 -->
    <!-- 默認(rèn)無需指定, 將記錄日志, 并拋出UidGenerateException異常. 如有特殊需求, 請實(shí)現(xiàn)RejectedTakeBufferHandler接口(支持Lambda表達(dá)式) -->
    <!--<property name="rejectedPutBufferHandler" ref="XxxxYourPutRejectPolicy"></property>-->
    
  </bean>
</beans>

package com.xxx.uid.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;
/**
* @author lishuzhen
* @date 2020/8/11 16:10
*/
@Configuration
@ImportResource(locations = {"classpath:/uid/cached-uid-spring.xml"})
public class UidConfig {
}

package com.xxxx.utils;
import com.xxx.uid.UidGenerator;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
/**
* @author lishuzhen
* @date 2020/8/11 16:13
*/
@Component
public class UidGenUtils {
  @Resource
  private UidGenerator uidGenerator;
  public long getUid() {
    return uidGenerator.getUID();
  }
  public String getUidStr() {
    return String.valueOf(uidGenerator.getUID());
  }
}