private WMMapping fromMMapping(MWMMapping mMapping, String rpName) {
    WMMapping result = new WMMapping(rpName,
        mMapping.getEntityType().toString(), mMapping.getEntityName());
    if (mMapping.getPool() != null) {
      result.setPoolPath(mMapping.getPool().getPath());
    }
    if (mMapping.getOrdering() != null) {
      result.setOrdering(mMapping.getOrdering());
    }
    result.setNs(mMapping.getResourcePlan().getNs());
    return result;
  }
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