Example usage for javax.persistence.criteria CriteriaBuilder trim

Introduction

In this page you can find the example usage for javax.persistence.criteria CriteriaBuilder trim.

Prototype

Expression<String> trim(Expression<String> x);

Source Link

Document

Create expression to trim blanks from both ends of a string.

Usage

From source file:com.yunguchang.data.ApplicationRepository.java

public List<TRsDriverinfoEntity> listAllCandidateDrivers(String[] applicationIds, String carId, String keyword,
        Integer offset, Integer limit, PrincipalExt principalExt) {

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<TRsDriverinfoEntity> cq = cb.createQuery(TRsDriverinfoEntity.class);
    Root<TRsDriverinfoEntity> driverRoot = cq.from(TRsDriverinfoEntity.class);
    Root<TAzCarinfoEntity> carRoot = cq.from(TAzCarinfoEntity.class);
    cq.select(driverRoot);//from  ww  w.j a  v a 2s.  c  om

    Subquery<TBusScheduleCarEntity> overlapScheduleCarSubQuery = cq.subquery(TBusScheduleCarEntity.class);

    applyOverlapScheduleCarSubquery(overlapScheduleCarSubQuery, applicationIds, carRoot, driverRoot, cb,
            principalExt);

    Subquery<TRsDriverinfoEntity> subqueryLicense = cq.subquery(TRsDriverinfoEntity.class);
    Root<TAzJzRelaEntity> licenseMapping = subqueryLicense.from(TAzJzRelaEntity.class);
    subqueryLicense.select(driverRoot);
    subqueryLicense.where(

            cb.equal(carRoot.get(TAzCarinfoEntity_.xszcx), licenseMapping.get(TAzJzRelaEntity_.xszcx)),
            cb.equal(licenseMapping.get(TAzJzRelaEntity_.jzyq),
                    driverRoot.get(TRsDriverinfoEntity_.drivecartype)));

    Predicate predicate = cb.and(cb.equal(carRoot.get(TAzCarinfoEntity_.id), carId),
            cb.equal(driverRoot.get(TRsDriverinfoEntity_.department), carRoot.get(TAzCarinfoEntity_.sysOrg)),
            cb.equal(driverRoot.get(TRsDriverinfoEntity_.enabled), "1"),
            cb.or(cb.exists(subqueryLicense), cb.isNull(driverRoot.get(TRsDriverinfoEntity_.drivecartype))

            ),

            cb.not(cb.exists(overlapScheduleCarSubQuery))

    );

    if (keyword != null) {
        predicate = cb.and(predicate,
                cb.or(cb.like(driverRoot.get(TRsDriverinfoEntity_.drivername), "%" + keyword + "%")));
    }

    cq.where(predicate);
    cq.orderBy(cb
            .asc(cb.function("casttogbk", String.class, cb.trim(driverRoot.get(TRsDriverinfoEntity_.drivername))

    )));
    TypedQuery<TRsDriverinfoEntity> query = em.createQuery(cq);
    if (offset != null) {
        query.setFirstResult(offset);
    }

    if (limit != null) {
        query.setMaxResults(limit);
    }

    return query.getResultList();

}

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