Examples of javax.persistence.EntityManager.createNamedQuery()

javax.persistence.EntityManager.createNamedQuery()
Create an instance of Query for executing a named query (in EJB QL or native SQL). @param name the name of a query defined in metadata @return the new query instance @throws IllegalStateException if this EntityManager has been closed @throws IllegalArgumentException if a query has not beendefined with the given name

  
  private Query getQuery() {
    Retrieve retrieve = getAnnotation();
    EntityManager em = getContext().getEntityManager();
    if (StringUtils.isNotBlank(retrieve.namedQuery()))
      return em.createNamedQuery(retrieve.namedQuery());
    if (retrieve.nativeQuery()) {
      if (retrieve.resultClass().equals(void.class))
        return em.createNativeQuery(retrieve.query());
      else
        return em.createNativeQuery(retrieve.query(), retrieve.resultClass());

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  private Query getQuery() {
    Find find = getAnnotation();
    EntityManager em = getContext().getEntityManager();
    if (StringUtils.isNotBlank(find.namedQuery()))
      return em.createNamedQuery(find.namedQuery());
    if (find.nativeQuery()) {
      if (find.resultClass().equals(void.class))
        return em.createNativeQuery(find.query());
      else
        return em.createNativeQuery(find.query(), find.resultClass());

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        }


        logger.debug("Finding: className={0}, callbackEvent={1}", className, callbackEvent);


        EntityManager entityManager = entityManagerFactory.createEntityManager();
        Query query = entityManager.createNamedQuery("findLifecycleEvent");
        query.setParameter("className", className);
        query.setParameter("event", callbackEvent);




        List arFound = query.getResultList();

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     */
    public List findCallbackEvent(final String className) {
        logger.debug("Finding: className={0}", className);


        EntityManager entityManager = entityManagerFactory.createEntityManager();
        Query query = entityManager.createNamedQuery("findLifecycleEventByClass");
        query.setParameter("className", className);
        return query.getResultList();
    }


    /**

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     * @return the list of results.
     */
    public List findCallbackEventByCallbackMethod(final String className, final CallbackType callbackEvent,
            final String callbackClassName) {
        EntityManager entityManager = entityManagerFactory.createEntityManager();
        Query query = entityManager.createNamedQuery("findLifecycleEventByCallbackMethod");
        query.setParameter("className", className);
        query.setParameter("event", callbackEvent);
        query.setParameter("callbackClassName", callbackClassName);
        return query.getResultList();
    }

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     * Finds all callback events.
     * @return events
     */
    public List findAll(){
        EntityManager entityManager = entityManagerFactory.createEntityManager();
        Query query = entityManager.createNamedQuery("findAll");
        return query.getResultList();
    }


    /**
     * Deletes all callback events from the database.

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     */
    @ExcludeDefaultInterceptors
    @ExcludeClassInterceptors
    public void deleteAll() {
        EntityManager entityManager = entityManagerFactory.createEntityManager();
        Query query = entityManager.createNamedQuery("findAll");
        List lstEvent = query.getResultList();
        for (Object obj : lstEvent) {
            CallbackLogger callbackLogger = (CallbackLogger) obj;
            if (callbackLogger != null) {
                entityManager.remove(callbackLogger);

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  public Query createNamedQuery(String sql)
  {
    EntityManager em = getCurrent();
    
    if (em != null) {
      return em.createNamedQuery(sql);
    }
    
    em = createEntityManager();
    
    try {

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    }
    
    em = createEntityManager();
    
    try {
      return em.createNamedQuery(sql);
    } finally {
      freeEntityManager(em);
    }
  }

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  public <T> TypedQuery<T> createNamedQuery(String name, Class<T> resultClass)
  {
    EntityManager em = getCurrent();
    
    if (em != null) {
      return em.createNamedQuery(name, resultClass);
    }
    
    em = createEntityManager();
    
    try {

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