From f828ec3d0820fb8f33767374e5de650a917cb9c9 Mon Sep 17 00:00:00 2001
From: Redkale <8730487+redkale@users.noreply.github.com>
Date: Tue, 16 Jun 2020 15:33:49 +0800
Subject: [PATCH]

---
 src/org/redkale/service/Local.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/org/redkale/service/Local.java b/src/org/redkale/service/Local.java
index e092ef338..67933ca40 100644
--- a/src/org/redkale/service/Local.java
+++ b/src/org/redkale/service/Local.java
@@ -25,5 +25,15 @@ import static java.lang.annotation.RetentionPolicy.RUNTIME;
 @Retention(RUNTIME)
 public @interface Local {
 
+    /**
+     * 标记全局唯一性
+     * <p>
+     * 有些Service可能只能启动一个实例， 比如凌晨定时清除一些数据的Service, 在整个系统部署中应该只被部署一次
+     *
+     * @since 2.1.0
+     * @return boolean
+     */
+    //boolean unique() default false;
+
     String comment() default ""; //备注描述
 }