// get the query in it's current state
         String lQuery = vo.getQuery();
         //get Valriables
         VariableValueManager lEnsureVariableManager = vo.ensureVariableManager();
         Variable[] lVariables = lEnsureVariableManager.getVariables();
         int lCount = lEnsureVariableManager.getVariableCount();
         // Dump query
         System.out.println("---query--- " + lQuery);
         // if variables found dump them
         if (lCount > 0)
         {
             System.out.println("---Variables:");
             for (int ii = 0; ii < lCount; ii++)
             {
                 Object lObject = lEnsureVariableManager.getVariableValue(lVariables[ii]);
                 System.out.println("  --- Name: " + lVariables[ii].getName() + " Value: " +
                                    (lObject != null ?  lObject.toString() : "null"));
             }
         }