Package javax.persistence.criteria

Examples of javax.persistence.criteria.CriteriaQuery

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    }

    private List<Nodes> findNodesEntities(boolean all, int maxResults, int firstResult) {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            cq.select(cq.from(Nodes.class));
            Query q = em.createQuery(cq);
            if (!all) {
                q.setMaxResults(maxResults);
                q.setFirstResult(firstResult);
            }
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    }

    public int getNodesCount() {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            Root<Nodes> rt = cq.from(Nodes.class);
            cq.select(em.getCriteriaBuilder().count(rt));
            Query q = em.createQuery(cq);
            return ((Long) q.getSingleResult()).intValue();
        } finally {
            em.close();
        }
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    }

    private List<Trees> findTreesEntities(boolean all, int maxResults, int firstResult) {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            cq.select(cq.from(Trees.class));
            Query q = em.createQuery(cq);
            if (!all) {
                q.setMaxResults(maxResults);
                q.setFirstResult(firstResult);
            }
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    }

    public int getTreesCount() {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            Root<Trees> rt = cq.from(Trees.class);
            cq.select(em.getCriteriaBuilder().count(rt));
            Query q = em.createQuery(cq);
            return ((Long) q.getSingleResult()).intValue();
        } finally {
            em.close();
        }
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    }

    private List<Users> findUsersEntities(boolean all, int maxResults, int firstResult) {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            cq.select(cq.from(Users.class));
            Query q = em.createQuery(cq);
            if (!all) {
                q.setMaxResults(maxResults);
                q.setFirstResult(firstResult);
            }
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    }

    public int getUsersCount() {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            Root<Users> rt = cq.from(Users.class);
            cq.select(em.getCriteriaBuilder().count(rt));
            Query q = em.createQuery(cq);
            return ((Long) q.getSingleResult()).intValue();
        } finally {
            em.close();
        }
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    }

    private List<Fields> findFieldsEntities(boolean all, int maxResults, int firstResult) {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            cq.select(cq.from(Fields.class));
            Query q = em.createQuery(cq);
            if (!all) {
                q.setMaxResults(maxResults);
                q.setFirstResult(firstResult);
            }
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    }

    public int getFieldsCount() {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            Root<Fields> rt = cq.from(Fields.class);
            cq.select(em.getCriteriaBuilder().count(rt));
            Query q = em.createQuery(cq);
            return ((Long) q.getSingleResult()).intValue();
        } finally {
            em.close();
        }
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    EntityManager em = emf.createEntityManager();

    try {
      CriteriaBuilder cb = em.getCriteriaBuilder();
      CriteriaQuery cq = cb.createQuery(config.getEntityClass());
      cq.select(cq.from(config.getEntityClass()));

      TypedQuery q = em.createQuery(cq);
      if (maxEntries > 0)
         q.setMaxResults(maxEntries);
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    EntityManager em = emf.createEntityManager();

    try {
      CriteriaBuilder cb = em.getCriteriaBuilder();
      CriteriaQuery cq = cb.createQuery(config.getEntityClass());
      cq.select(cq.from(config.getEntityClass()));

      TypedQuery q = em.createQuery(cq);

      Iterator it = q.getResultList().iterator();
      for (; it.hasNext();) {
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