Package org.apache.openjpa.persistence.query

Examples of org.apache.openjpa.persistence.query.Predicate

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        emf.createEntityManager();
    }
   
    public void testLogicalPredicateAssociativity() {
        DomainObject e = qb.createQueryDefinition(Employee.class);
        Predicate p1 = e.get("salary").greaterThan(100);
        Predicate p2 = e.get("rating").equal(5);
        Predicate p3 = e.get("name").like("John");
        Predicate w1 = p1.and(p2.or(p3));
        Predicate w2 = (p1.and(p2)).or(p3);
        QueryDefinition q1 = e.select(e).where(w1);
        String jpql1 = qb.toJPQL(q1);
        emf.createEntityManager().createDynamicQuery(q1).getResultList();
       
        QueryDefinition q2 = e.select(e).where(w2);
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        // do nothing as we may not have a database connection
    }
   
    public void testLogicalPredicateAssociativity() {
        DomainObject e = qb.createQueryDefinition(Employee.class);
        Predicate p1 = e.get("salary").greaterThan(100);
        Predicate p2 = e.get("rating").equal(5);
        Predicate p3 = e.get("name").like("John");
        Predicate w1 = p1.and(p2.or(p3));
        Predicate w2 = (p1.and(p2)).or(p3);
        QueryDefinition q1 = e.select(e).where(w1);
        String jpql1 = qb.toJPQL(q1);
        emf.createEntityManager().createDynamicQuery(q1).getResultList();
       
        QueryDefinition q2 = e.select(e).where(w2);
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Related Classes of org.apache.openjpa.persistence.query.Predicate

  • org.apache.openjpa.persistence.criteria.TestCriteria
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