From b8db87ab07a337caa8688b17c4b83bf904e52127 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=80=E6=BA=90=E6=B5=B7=E5=93=A5?= <fuhai999@gmail.com>
Date: Tue, 21 Mar 2023 10:14:04 +0800
Subject: [PATCH] add comments for MybatisFlexBootstrap.java

---
 .../mybatisflex/core/MybatisFlexBootstrap.java   | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/MybatisFlexBootstrap.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/MybatisFlexBootstrap.java
index 9fc07528..e30c9169 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/MybatisFlexBootstrap.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/MybatisFlexBootstrap.java
@@ -39,13 +39,13 @@ import java.util.function.Function;
  *
  * <code>
  * MybatisFlexBootstrap.getInstance()
- * .setDatasource(...)
- * .addMapper(...)
- * .start();
+ *  .setDatasource(...)
+ *  .addMapper(...)
+ *  .start();
  * <p>
  * <p>
  * MybatisFlexBootstrap.getInstance()
- * .execute(...)
+ *  .execute(...)
  * </code>
  */
 public class MybatisFlexBootstrap {
@@ -63,6 +63,12 @@ public class MybatisFlexBootstrap {
     private SqlSessionFactory sqlSessionFactory;
     private Class<? extends Log> logImpl;
 
+    /**
+     * 虽然提供了 getInstance，但也允许自己进行实例化，可以用于创建多个 MybatisFlexBootstrap 达到管理数据源的目的
+     */
+    public MybatisFlexBootstrap() {
+    }
+
 
     private static volatile MybatisFlexBootstrap instance;
 
@@ -119,7 +125,6 @@ public class MybatisFlexBootstrap {
                 mappers.forEach(configuration::addMapper);
             }
 
-
             LogFactory.getLog(MybatisFlexBootstrap.class).debug("Mybatis-Flex has started.");
         }
 
@@ -176,6 +181,7 @@ public class MybatisFlexBootstrap {
 
     public MybatisFlexBootstrap setConfiguration(FlexConfiguration configuration) {
         this.configuration = configuration;
+        this.environmentId = configuration.getEnvironment().getId();
         return this;
     }