JMX增强

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@674 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/stat/DruidDataSourceStatManager.java

@@ -40,6 +40,13 @@ public class DruidDataSourceStatManager implements DruidDataSourceStatManagerMBe
         return instances.keySet();
     }
 
+    public void reset() {
+        final Set<DruidDataSource> dataSources = getDruidDataSourceInstances();
+        for (DruidDataSource dataSource : dataSources) {
+            dataSource.resetStat();
+        }
+    }
+
     public TabularData getDataSourceList() throws JMException {
         CompositeType rowType = getDruidDataSourceCompositeType();
         String[] indexNames = rowType.keySet().toArray(new String[rowType.keySet().size()]);