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

Package org.apache.openjpa.persistence.query

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

org.apache.openjpa.persistence.query.QueryDefinition
Interface for construction of query definitions

                      " where e.contactInfo.address.zipCode = '95094'";
        compare(jpql, e);
    }
    
    public void testOperatorPath() {
        QueryDefinition qdef = qb.createQueryDefinition();
        DomainObject item = qdef.addRoot(Item.class);
        DomainObject photo = item.join("photos");
        qdef.select(item.get("name"), photo.value())
            .where(photo.key().like("egret"));
        
        
        String jpql = "select i.name, VALUE(p)"
                    + " from Item i join i.photos p"

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                      " where 'Joe' MEMBER OF p.nicknames";
        compare(jpql, p);
    }
    
    public void testParamater() {
        QueryDefinition qdef = qb.createQueryDefinition();
        DomainObject customer = qdef.addRoot(Customer.class);
        qdef.where(customer.get("status").equal(qdef.param("status")));
        
        String jpql = "select c from Customer c " +
                      " where c.status = :status";
        compare(jpql, qdef, "status", 1);
    }

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                      " where o.lineItems IS EMPTY";
        compare(jpql, o);
    }


    public void testNonCorrelatedSubQuery() {
        QueryDefinition q1 = qb.createQueryDefinition();
        DomainObject goodCustomer = q1.addRoot(Customer.class);
        
        QueryDefinition q2 = qb.createQueryDefinition();
        DomainObject customer = q2.addRoot(Customer.class);
        
        q1.where(goodCustomer.get("balanceOwned")
                .lessThan(q2.select(customer.get("balanceOwned").avg())));
        
        String jpql = "select c from Customer c "
                    + " where c.balanceOwned < " 
                    + "(select AVG(c2.balanceOwned) from Customer c2)";
        compare(jpql, q1);

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                    + "(select AVG(c2.balanceOwned) from Customer c2)";
        compare(jpql, q1);
    }


    public void testNew() {
        QueryDefinition q = qb.createQueryDefinition();
        DomainObject customer = q.addRoot(Customer.class);
        DomainObject order = customer.join("orders");
        q.where(order.get("count").greaterThan(100))
         .select(q.newInstance(Customer.class, customer.get("id"),
                                               customer.get("status"),
                                               order.get("count")));
        
        
        String jpql =

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                + " FROM Customer c JOIN c.orders o" + " WHERE o.count > 100";
        compare(jpql, q);
    }
    
    public void testKeyValueOperatorPath() {
        QueryDefinition q = qb.createQueryDefinition();
        DomainObject v = q.addRoot(VideoStore.class);
        DomainObject i = v.join("videoInventory");
        q.where(v.get("location").get("zipCode").equal("94301").and(
            i.value().greaterThan(0)));
        q.select(v.get("location").get("street"), i.key().get("title"), i
            .value());
        
        String jpql = "SELECT v.location.street, KEY(v2).title, VALUE(v2)" 
                    + " FROM VideoStore v JOIN v.videoInventory v2"
                    + " WHERE v.location.zipCode = '94301' AND VALUE(v2) > 0";

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        compare(jpql, q);
    }
    
    public void testGroupByHaving() {
        QueryDefinition q = qb.createQueryDefinition();
        DomainObject customer = q.addRoot(Customer.class);
        q.select(customer.get("status"), customer.get("filledOrderCount").avg(),
                 customer.count())
         .groupBy(customer.get("status"))
         .having(customer.get("status").in(1, 2));
        
        String jpql = "SELECT c.status, AVG(c.filledOrderCount), COUNT(c)"

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        compare(jpql, q);
    }
    
    public void testGroupByHaving2() {
        QueryDefinition q = qb.createQueryDefinition();
        DomainObject customer = q.addRoot(Customer.class);
        q.select(customer.get("country"), customer.count())
         .groupBy(customer.get("country"))
         .having(customer.count().greaterThan(30));
        
        String jpql = "SELECT c.country, COUNT(c)" 
                    + " FROM Customer c"

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                    + " HAVING COUNT(c) > 30";
        compare(jpql, q);
    }
    
    public void testOrderBy() {
        QueryDefinition q = qb.createQueryDefinition();
        DomainObject customer = q.addRoot(Customer.class);
        DomainObject order = customer.join("orders");
        DomainObject address = customer.join("address");
        q.where(address.get("state").equal("CA"))
        .select(order)
        .orderBy(order.get("quantity").desc(), order.get("totalcost"));
        String jpql = "SELECT o"
                    + " FROM Customer c JOIN c.orders o JOIN c.address a"
                    + " WHERE a.state = 'CA'"

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                    + " ORDER BY o.quantity DESC, o.totalcost";        
        compare(jpql, q);
    }
    
    public void testOrderBy2() {
        QueryDefinition q = qb.createQueryDefinition();
        DomainObject customer = q.addRoot(Customer.class);
        DomainObject order = customer.join("orders");
        DomainObject address = customer.join("address");
        q.where(address.get("state").equal("CA"))
        .select(order.get("quantity"), address.get("zipCode"))
        .orderBy(order.get("quantity").desc(), address.get("zipCode"));
        String jpql = "SELECT o.quantity, a.zipCode"
                    + " FROM Customer c JOIN c.orders o JOIN c.address a"
                    + " WHERE a.state = 'CA'"

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        compare(jpql, o);
    }
    
    public void testCorrelatedSubquery() {
        QueryDefinition q1 = qb.createQueryDefinition();
        DomainObject emp = q1.addRoot(Employee.class);
        
        QueryDefinition q2 = qb.createQueryDefinition();
        DomainObject spouseEmp = q2.addRoot(Employee.class);
        
        q2.where(spouseEmp.equal(emp.get("spouse"))).select(spouseEmp);
        q1.selectDistinct(emp).where(q2.exists());
        
        String jpql = "SELECT DISTINCT e "
                    + " FROM Employee e"
                    + " WHERE EXISTS ("
                            + " SELECT e2 "

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Related Classes of org.apache.openjpa.persistence.query.QueryDefinition

org.apache.openjpa.persistence.criteria.TestCriteria

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