发号器序列起始范围是否随机也可配置。

InsideZhou · Oct 24, 2019 · 8acfbfc · 8acfbfc
1 parent 975dcc1
commit 8acfbfc
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Showing 2 changed files with 14 additions and 5 deletions.
diff --git a/...t-starter-jdbc/src/main/java/me/insidezhou/southernquiet/idgenerator/JdbcIdGenerator.java b/...t-starter-jdbc/src/main/java/me/insidezhou/southernquiet/idgenerator/JdbcIdGenerator.java
@@ -43,7 +43,7 @@ public JdbcIdGenerator(Metadata metadata, IdGeneratorWorkerTable workerTable, In
             properties.getWorkerIdBits(),
             properties.getLowPaddingBits(),
             properties.getEpoch(),
-            new Random(),
+            properties.isRandomSequenceStart() ? new Random() : null,
             properties.getSequenceStartRange(),
             properties.getTickAccuracy()
         );

diff --git a/...c/main/java/me/insidezhou/southernquiet/idgenerator/JdbcIdGeneratorAutoConfiguration.java b/...c/main/java/me/insidezhou/southernquiet/idgenerator/JdbcIdGeneratorAutoConfiguration.java
@@ -78,12 +78,18 @@ public static class Properties {
         private int workerIdBits = 12;
         private int lowPaddingBits = 2;
         private int sequenceStartRange = 1000;
+        private boolean randomSequenceStart = true;
 
         /**
          * 发号器的时间精度/步长，单位：毫秒。如果值为1000，则发号器每滴答（发生变化的最小时间单位）一次，时间实际过去了1秒。
          */
         private int tickAccuracy = 1000;
 
+        /**
+         * Thu Feb 01 2018 00:00:00 GMT, seconds
+         */
+        private long epoch = 1517414400L;
+
         public int getTickAccuracy() {
             return tickAccuracy;
         }
@@ -92,10 +98,13 @@ public void setTickAccuracy(int tickAccuracy) {
             this.tickAccuracy = tickAccuracy;
         }
 
-        /**
-         * Thu Feb 01 2018 00:00:00 GMT, seconds
-         */
-        private long epoch = 1517414400L;
+        public boolean isRandomSequenceStart() {
+            return randomSequenceStart;
+        }
+
+        public void setRandomSequenceStart(boolean randomSequenceStart) {
+            this.randomSequenceStart = randomSequenceStart;
+        }
 
         public int getSequenceStartRange() {
             return sequenceStartRange;