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This commit is contained in:
2026-01-20 19:01:43 +08:00
parent 31f5a31b9b
commit b87abe0e3e
24 changed files with 249 additions and 110 deletions
@@ -17,5 +17,5 @@ public enum DeleteEnum {
YES(true),
NO(false);
private final Boolean value;
public final Boolean value;
}
@@ -17,5 +17,5 @@ public enum StatusEnum {
ENABLED(1),
DISABLED(0);
private final Integer value;
public final Integer value;
}
@@ -4,7 +4,7 @@ import java.lang.management.ManagementFactory;
import java.net.InetAddress;
import java.net.NetworkInterface;
public class SnowflakeIdGenerator {
public class IdGenerator {
// ====================== 配置参数 ======================
/** 开始时间戳 (2024-01-01 00:00:00),可自定义,减少ID长度 */
private static final long START_TIMESTAMP = 1767196800000L;
@@ -36,7 +36,7 @@ public class SnowflakeIdGenerator {
private long lastTimestamp = -1L;
// ====================== 单例实例 ======================
private static volatile SnowflakeIdGenerator INSTANCE;
private static volatile IdGenerator INSTANCE;
/**
* 私有构造器初始化机器ID自动计算也可手动指定
@@ -44,7 +44,7 @@ public class SnowflakeIdGenerator {
* @param workerId 机器ID (0-1023)
* @throws IllegalArgumentException 机器ID超出范围时抛出
*/
private SnowflakeIdGenerator(long workerId) {
private IdGenerator(long workerId) {
// 校验机器ID范围
long maxWorkerId = ~(-1L << WORKER_ID_BITS);
if (workerId < 0 || workerId > maxWorkerId) {
@@ -58,11 +58,11 @@ public class SnowflakeIdGenerator {
*
* @return 雪花算法生成器实例
*/
public static SnowflakeIdGenerator getInstance() {
public static IdGenerator getInstance() {
if (INSTANCE == null) {
synchronized (SnowflakeIdGenerator.class) {
synchronized (IdGenerator.class) {
if (INSTANCE == null) {
INSTANCE = new SnowflakeIdGenerator(calculateWorkerId());
INSTANCE = new IdGenerator(calculateWorkerId());
}
}
}
@@ -75,11 +75,11 @@ public class SnowflakeIdGenerator {
* @param workerId 机器ID (0-1023)
* @return 雪花算法生成器实例
*/
public static SnowflakeIdGenerator getInstance(long workerId) {
public static IdGenerator getInstance(long workerId) {
if (INSTANCE == null) {
synchronized (SnowflakeIdGenerator.class) {
synchronized (IdGenerator.class) {
if (INSTANCE == null) {
INSTANCE = new SnowflakeIdGenerator(workerId);
INSTANCE = new IdGenerator(workerId);
}
}
}
@@ -161,7 +161,7 @@ public class SnowflakeIdGenerator {
// ====================== 测试用例 ======================
public static void main(String[] args) {
// 测试生成10个ID验证有序性和唯一性
SnowflakeIdGenerator generator = SnowflakeIdGenerator.getInstance();
IdGenerator generator = IdGenerator.getInstance();
for (int i = 0; i < 10; i++) {
long id = generator.nextId();
System.out.println("生成的ID" + id);