public Collection<Object> persist(Collection<Object> objColl) {
    if (null == objColl) {
      throw new IllegalArgumentException("object to save cannot be null");
    }

    objMapper.saveObjCollection(keyspace, objColl);
    return objColl;
  }
public Collection < Object > persist ( Collection < Object > objColl ) { if ( null == objColl ) { throw new IllegalArgumentException ( "object to save cannot be null" ) ; } objMapper . saveObjCollection ( keyspace , objColl ) ; return objColl ; }
Save the list of entity intances.

@param objColl
@return