query-by-proxy - main

Query By Proxy

A java criteria api where path expressions are composed by invoking methods on a proxy for a class.

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State=BETA

Basic operation (JPA entry-point):

ProxyQueryFactory qbpfactory = JpaProxyQueries.createQueryFactory(entityManager);
ProxyQuery<Customer> query = qbpfactory.createQuery(Customer.class);
Customer customer = query.getRootProxy();

query.andWhere(customer.getFirstName()).equalTo("John");

List<Customer> results = query.find();

Assert.assertEquals(
        "SELECT a FROM Customer a WHERE a.firstName = 'John'",
        query.toString());

Basic operation (Hibernate entry-point):

ProxyQueryFactory qbpfactory = HibernateProxyQueries.createQueryFactory(session);
ProxyQuery<Customer> query = qbpfactory.createQuery(Customer.class);
Customer customer = query.getRootProxy();

query.andWhere(customer.getFirstName()).equalTo("John");

List<Customer> results = query.find();

Assert.assertEquals(
        "SELECT a FROM Customer a WHERE a.firstName = 'John'",
        query.toString());

Query By Proxy

State=BETA

Basic operation (JPA entry-point):

Basic operation (Hibernate entry-point):

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