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About TypedQuery

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Manual
36

Query Parameters in JPA

getCountryByName(EntityManager em, String name) { TypedQuery query = em.createQuery ... method. The setParameter method supports method chaining (by returning the same TypedQuery instance ... : public Country getCountryByName(EntityManager em, String name) { TypedQuery query = em
Manual
33

JPA Criteria API Queries

. A CriteriaQuery instance is equivalent to a JPQL string and not to a TypedQuery instance. Therefore, running the query still requires a TypedQuery instance: TypedQuery query = em.createQuery(q ... follows: TypedQuery query =      em.createQuery("SELECT c FROM Country c", Country.class
Manual
27

SELECT clause (JPQL / Criteria API)

, the following query returns Country objects that become managed by the EntityManager em: TypedQuery ... results. The results of the above query are received as a list of String values: TypedQueryTypedQuery query = em.createQuery( "SELECT c.name, c.capital.name FROM Country AS c
Manual
23

JPA Named Queries

at runtime by the same Query and TypedQuery interfaces but different EntityManager factory methods ... and returns a TypedQuery instance: TypedQuery query = em.createNamedQuery("Country
Manual
23

CRUD Database Operations with JPA

objects from the database using JPA. Running a JPQL query is one of them: TypedQuery query ... . The TypedQuery interface, which was introduced in JPA 2, is a type safe subinterface of Query and is usually ... demonstrates processing of all the Point objects in the database: TypedQuery query
Manual
19

Setting and Tuning of JPA Queries

The Query and TypedQuery interfaces define various setting and tuning methods that may affect query execution if invoked before a query is run using getResultList or getSingleResult. Result Range ... since the setter methods in Query and TypedQuery support method chaining (by returning the query object
Tutorial
19

Step 3: Define a Spring DAO Component

.persistence.TypedQuery; import org.springframework.stereotype.Component; import org.springframework ... ); } // Retrieves all the guests: public List getAllGuests() { TypedQuery query
Tutorial
19

Step 3: Define a Spring DAO Component

.TypedQuery; import org.springframework.stereotype.Component; import org.springframework.transaction ... all the guests: public List getAllGuests() { TypedQuery query = em.createQuery
Tutorial
19

Step 3: Define an EJB Session Bean

javax.persistence.PersistenceContext; import javax.persistence.TypedQuery; @Stateless public ... () { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest
Tutorial
19

Step 3: Define an EJB Session Bean

.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.TypedQuery ... > getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g