支持HA

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@459 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/pool/ha/HADataSource.java

@@ -54,10 +54,7 @@ public class HADataSource extends MultiDataSource implements DataSource {
             assert dataSource != null;
 
             if (!dataSource.isEnable()) {
-                boolean removed = dataSources.remove(dataSource);
-                if (removed) {
-                    notAvailableDatasources.add(dataSource);
-                }
+                handleNotAwailableDatasource(dataSource);
                 continue;
             }
 
@@ -79,6 +76,13 @@ public class HADataSource extends MultiDataSource implements DataSource {
             return conn;
         }
     }
+    
+    void handleNotAwailableDatasource(DruidDataSource dataSource) {
+        boolean removed = dataSources.remove(dataSource);
+        if (removed) {
+            notAvailableDatasources.add(dataSource);
+        }
+    }
 
     public long getIndexErrorCount() {
         return indexErrorCount.get();