private boolean poolParentExists(MWMResourcePlan resourcePlan, String poolPath) {
    String parent = getParentPath(poolPath, null);
    if (parent == null) {
      return true;
    }
    try {
      getPool(resourcePlan, parent);
      return true;
    } catch (NoSuchObjectException e) {
      return false;
    }
  }
This is a cleanup method which is used to rollback a active transaction
if the success flag is false and close the associated Query object. This method is used
internally and visible for testing purposes only
@param success Rollback the current active transaction if false
@param query Query object which needs to be closed
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java