From 2a5f905ff90483cf9913dba8b2999e0894622a10 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Fri, 10 May 2013 02:51:23 +0800
Subject: [PATCH] bug fixed for useGloalDataSourceStat

---
 .../alibaba/druid/stat/JdbcDataSourceStat.java  | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java b/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java
index 2bc41747dc..661b06dea1 100644
--- a/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java
+++ b/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java
@@ -70,9 +70,18 @@ public class JdbcDataSourceStat implements JdbcDataSourceStatMBean {
 
     private final AtomicLong                                    blobOpenCount           = new AtomicLong();
 
-    private static JdbcDataSourceStat                           global                  = new JdbcDataSourceStat(
-                                                                                                                 "Global",
-                                                                                                                 "Global");
+    private static JdbcDataSourceStat                           global;
+
+    static {
+        String dbType = null;
+        {
+            String property = System.getProperty("druid.globalDbType");
+            if (property != null && property.length() > 0) {
+                dbType = property;
+            }
+        }
+        global = new JdbcDataSourceStat("Global", "Global", dbType);
+    }
 
     public static JdbcDataSourceStat getGlobal() {
         return global;
@@ -113,7 +122,7 @@ public class JdbcDataSourceStat implements JdbcDataSourceStatMBean {
 
         sqlStatMap = new LRUCache<String, JdbcSqlStat>(maxSize, 16, 0.75f, false);
     }
-    
+
     public String getDbType() {
         return dbType;
     }