Example usage for org.hibernate.internal SessionImpl getLoadQueryInfluencers

Introduction

In this page you can find the example usage for org.hibernate.internal SessionImpl getLoadQueryInfluencers.

Prototype

@Override
    public LoadQueryInfluencers getLoadQueryInfluencers() 

Source Link

Usage

From source file:com.evolveum.midpoint.repo.sql.util.HibernateToSqlTranslator.java

License:Apache License

/**
 * Do not use in production code! Only for testing purposes only. Used for example during query engine upgrade.
 * Method provides translation from hibernate {@link Criteria} to plain SQL string query.
 *
 * @param criteria//w  ww .  j  av  a2 s .co m
 * @return SQL string, null if criteria parameter was null.
 */
public static String toSql(Criteria criteria) {
    if (criteria == null) {
        return null;
    }

    try {
        CriteriaImpl c;
        if (criteria instanceof CriteriaImpl) {
            c = (CriteriaImpl) criteria;
        } else {
            CriteriaImpl.Subcriteria subcriteria = (CriteriaImpl.Subcriteria) criteria;
            c = (CriteriaImpl) subcriteria.getParent();
        }
        SessionImpl s = (SessionImpl) c.getSession();
        SessionFactoryImplementor factory = s.getSessionFactory();
        String[] implementors = factory.getImplementors(c.getEntityOrClassName());
        CriteriaLoader loader = new CriteriaLoader(
                (OuterJoinLoadable) factory.getEntityPersister(implementors[0]), factory, c, implementors[0],
                s.getLoadQueryInfluencers());
        Field f = OuterJoinLoader.class.getDeclaredField("sql");
        f.setAccessible(true);
        return (String) f.get(loader);
    } catch (Exception ex) {
        throw new SystemException(ex.getMessage(), ex);
    }
}

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