From 0bf868d3cdf9226e178c076d3b588ed5207409a0 Mon Sep 17 00:00:00 2001
From: kongzy <kongzy>
Date: 星期五, 24 十一月 2023 17:51:40 +0800
Subject: [PATCH] merge
---
assess-common/src/main/java/com/gkhy/assess/common/config/DynamicDataSourceContextHolder.java | 40 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/assess-common/src/main/java/com/gkhy/assess/common/config/DynamicDataSourceContextHolder.java b/assess-common/src/main/java/com/gkhy/assess/common/config/DynamicDataSourceContextHolder.java
new file mode 100644
index 0000000..c077caf
--- /dev/null
+++ b/assess-common/src/main/java/com/gkhy/assess/common/config/DynamicDataSourceContextHolder.java
@@ -0,0 +1,40 @@
+package com.gkhy.assess.common.config;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 动态数据库切换处理
+ */
+public class DynamicDataSourceContextHolder {
+
+ public static final Logger logger= LoggerFactory.getLogger(DynamicDataSourceContextHolder.class);
+
+ /**
+ * 使用ThreadLocal维护变量，ThreadLocal为每个使用该变量的线程提供独立的变量副本，
+ * 所以每一个线程都可以独立地改变自己的副本，而不会影响其它线程所对应的副本。
+ */
+ private static final ThreadLocal<String> CONTEXT_HOLDER=new ThreadLocal<>();
+
+ /**
+ * 设置数据源的变量
+ */
+ public static void setDataSourceType(String dsType){
+ logger.info("切换到{}数据源",dsType);
+ CONTEXT_HOLDER.set(dsType);
+ }
+
+ /**
+ * 获得数据源的变量
+ */
+ public static String getDataSourceType(){
+ return CONTEXT_HOLDER.get();
+ }
+
+ /**
+ * 清空数据源变量
+ */
+ public static void clearDataSourceType(){
+ CONTEXT_HOLDER.remove();
+ }
+}
--
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