雪花算法单列模式实例化对象

modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/codemaker/SnowflakeIdMaker.java

@@ -32,6 +32,26 @@ public class SnowflakeIdMaker {
     private long datacenterId;
     private long sequence = 0L;
 
+    private volatile static SnowflakeIdMaker snowflakeIdMaker = null;
+
+
+
+
+    /**
+     * 单列模式实例化对象
+     * @return
+     */
+    public static SnowflakeIdMaker getSingleton(){
+        if (snowflakeIdMaker == null){
+            synchronized (SnowflakeIdMaker.class){
+                if (snowflakeIdMaker == null) {
+                    snowflakeIdMaker = new SnowflakeIdMaker();
+                }
+            }
+        }
+        return snowflakeIdMaker;
+    }
+
     /**
      * 禁止私自构建,防止ID重复
      */
@@ -42,6 +62,8 @@ public class SnowflakeIdMaker {
         this.sequence = 0L;
     }
 
+
+
     /**
      * 禁止私自构建 防止 ID 生成重复
      * @param workerId      工作区ID
@@ -104,12 +126,12 @@ public class SnowflakeIdMaker {
 
     private long lastTimestamp = -1L;
 
-    private long getWorkerId(){
+    public long getWorkerId(){
-        return workerId;
+        return this.workerId;
     }
 
-    private long getDatacenterId(){
+    public long getDatacenterId(){
-        return datacenterId;
+        return this.datacenterId;
     }
 
     public synchronized long nextId() {