Example usage for org.hibernate LockOptions UPGRADE

Introduction

In this page you can find the example usage for org.hibernate LockOptions UPGRADE.

Prototype

LockOptions UPGRADE

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Document

Represents LockMode.UPGRADE (will wait forever for lock and scope of false meaning only entity is locked).

Usage

From source file:org.zht.framework.zhtdao.hibernate.impl.HibernateBaseDaoImpl.java

License:Apache License

@SuppressWarnings("unchecked")
@Override//from ww w.java 2s  . com
public <E> E findAndLock(Class<E> clazz, Serializable id) throws DaoException {
    if (id == null) {
        return null;
    }
    E entity = (E) this.getCurrentSession().get(clazz, id, LockOptions.UPGRADE);
    if (entity == null) {
        return null;
    }
    return entity;
}

From source file:robertli.zero.dao.impl.GenericHibernateDao.java

License:MIT License

@Override
public T getForUpdate(PK id) {
    return (T) getSession().get(entityClass, id, LockOptions.UPGRADE);
}

From source file:ubic.gemma.persistence.service.expression.arrayDesign.ArrayDesignDaoImpl.java

License:Apache License

@Override
public void deleteGeneProductAssociations(ArrayDesign arrayDesign) {

    this.getSessionFactory().getCurrentSession().buildLockRequest(LockOptions.UPGRADE)
            .setLockMode(LockMode.PESSIMISTIC_WRITE).lock(arrayDesign);

    // this query is polymorphic, id gets the annotation associations?
    //language=HQL
    final String queryString = "select ba from CompositeSequence  cs "
            + "inner join cs.biologicalCharacteristic bs, BioSequence2GeneProduct ba "
            + "where ba.bioSequence = bs and cs.arrayDesign=:arrayDesign";
    List blatAssociations = this.getSessionFactory().getCurrentSession().createQuery(queryString)
            .setParameter("arrayDesign", arrayDesign).list();
    if (!blatAssociations.isEmpty()) {
        for (Object r : blatAssociations) {
            this.getSessionFactory().getCurrentSession().delete(r);
        }//  w  w w .  j a v  a  2 s. co m
        AbstractDao.log
                .info("Done deleting " + blatAssociations.size() + " blat associations for " + arrayDesign);
    }

    this.getSessionFactory().getCurrentSession().flush();

    final String annotationAssociationQueryString = "select ba from CompositeSequence cs "
            + " inner join cs.biologicalCharacteristic bs, AnnotationAssociation ba "
            + " where ba.bioSequence = bs and cs.arrayDesign=:arrayDesign";

    //noinspection unchecked
    List<AnnotationAssociation> annotAssociations = this.getSessionFactory().getCurrentSession()
            .createQuery(annotationAssociationQueryString).setParameter("arrayDesign", arrayDesign).list();

    if (!annotAssociations.isEmpty()) {

        for (AnnotationAssociation r : annotAssociations) {
            this.getSessionFactory().getCurrentSession().delete(r);
        }
        AbstractDao.log.info(
                "Done deleting " + annotAssociations.size() + " AnnotationAssociations for " + arrayDesign);

    }
}