public Criteria getRqlCriteria(RequestQueryContext requestQueryContext, Session hibSession) {
        Criteria criteria;
        if (requestQueryContext.getFilter() != null) {
             //<== Here value of filter is  - status=='FAILED';queued>='2017-07-24T00:00:00.000';
            // setup factory
            RSQL2HibernateFactory factory = RSQL2HibernateFactory.getInstance();
            factory.setArgumentParser(new SkyeRsqlArgumentParser());
            factory.setSessionFactory(hibSession.getSessionFactory());
            RSQL2CriteriaConverter converter = factory.createConverter();

            // parse RSQL and create detached criteria for specified entity class
            try {
                DetachedCriteria detached = converter.createCriteria(requestQueryContext.getFilter(), entityClass);
                //<== Here value of filter is  - status=='FAILED';queued>=null;
                // connect it with current Hibernate Session
                criteria = detached.getExecutableCriteria(hibSession);
            } catch (Exception exception) {
                throw new SkyeException("Invalid filter expression.", exception);
            }

        } else {
            criteria = hibSession.createCriteria(entityClass);
        }
        return criteria;
    }

@Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
@Column(name = "QUEUED")
@JsonDeserialize(using = LocalDateTimeJDeserializer.class)
@JsonSerialize(using = LocalDateTimeJSerializer.class)
private LocalDateTime queued;

@Column(name = "STATUS")
private TaskStatus status = TaskStatus.CREATED;