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91-100 of 200 resultsRefreshInternalException during EntityManager.find()InternalException during EntityManager.find() | |
JPA Lifecycle Events>EntityManager). @PostPersist - when an entity is identified as modified by the EntityManager. @PreRemove - when an entity is marked for removal in the EntityManager. | |
JPA Query API with an EntityManager">EntityManager (represented by emEntityManager/createQuery_String">createQuery("SELECT c FROM Country c"); TypedQuery<Country> q2 = em.EntityManager | |
JPA Queries;EntityManager">EntityManager's EntityManager/getCriteriaBuilder">getCriteriaBuilder method (both methods are equivalent | |
Entity Management Settings the persistence context of the EntityManager">EntityManager and shared by all its EntityManager instances. The level 2 cache is disabled by | |
javax.persistence.EntityNotFoundException when an entity reference obtained by EntityManager/getReference_Class__Object" title="Method of javax.persistence.EntityManager">EntityManager.getReference is accessed but the entity does not exist. Thrown when EntityManager/refresh | |
Step 3: Define an EJB Session Bean; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax ... : @PersistenceContext private EntityManager em; // Stores a new guest: public void ... ). Prepares an EntityManager automatically and injects it into the  | |
Step 3: Define a Spring DAO Component guest; import java.util.List; import javax.persistence.EntityManager; import javax.persistence ... GuestDao { // Injected database connection: @PersistenceContext private EntityManager em ... > Prepares an EntityManager automatically and injects it into the em | |
Step 3: Define a Spring DAO Component class="pre-java"> package guest; import java.util.List; import javax.persistence.EntityManager ... private EntityManager em; // Stores a new guest: @Transactional public void ... the next step. Prepares an EntityManager automatically and injects | |
Step 3: Define an EJB Session Bean.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.TypedQuery ... private EntityManager em; // Stores a new guest: public void persist(Guest guest ... /jpa/eclipse/ee/servlet">next step). Prepares an EntityManager |