add close() method to close GraphDBConnection via GraphDBOperation, and update interface class's definition
diff --git a/src/main/java/net/onrc/onos/util/IDBOperation.java b/src/main/java/net/onrc/onos/util/IDBOperation.java
index 2eeb527..1a8571d 100644
--- a/src/main/java/net/onrc/onos/util/IDBOperation.java
+++ b/src/main/java/net/onrc/onos/util/IDBOperation.java
@@ -38,5 +38,8 @@
public Iterable<IFlowEntry> getAllFlowEntries();
public void removeFlowEntry(IFlowEntry flowEntry);
- public IDBConnection getDBConnection();
+ public IDBConnection getDBConnection();
+ public void commit();
+ public void rollback();
+ public void close();
}