@Override
 public void dispose() {
   super.dispose();
   dropAction_Synonym.dispose();
   refreshAction_Synonym.dispose();
   viewDDLAction.dispose();
   executeAction.dispose();
 }
 /** initialize action */
 public void initAction() {
   dropAction_Synonym.setUserDB(getUserDB());
   refreshAction_Synonym.setUserDB(getUserDB());
   executeAction.setUserDB(getUserDB());
   viewDDLAction.setUserDB(getUserDB());
 }