javax.persistence.Query.setParameter()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中javax.persistence.Query.setParameter方法的一些代码示例，展示了Query.setParameter的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.setParameter方法的具体详情如下：
包路径：javax.persistence.Query
类名称：Query
方法名：setParameter

Query.setParameter介绍

[英]Bind an argument value to a positional parameter.
[中]将参数值绑定到位置参数。

代码示例

代码示例来源：origin: spring-projects/spring-data-examples

@Override
  @SuppressWarnings("unchecked")
  public List<Employee> findSubordinates(Employee manager) {

    return entityManager.createQuery("SELECT u from User u where u.manager = :manager") //
        .setParameter("manager", manager) //
        .getResultList();
  }
}

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

@Override
public CategoryXref readXrefByIds(Long categoryId, Long subCategoryId) {
  Query query = em.createNamedQuery("BC_READ_CATEGORY_XREF_BY_IDS");
  query.setParameter("categoryId", categoryId);
  query.setParameter("subCategoryId", subCategoryId);
  return (CategoryXref) query.getSingleResult();
}

代码示例来源：origin: stackoverflow.com

public User getUserByUsernameOrNull(String username) {
  try{
    Query q = em.createNamedQuery(User.getUserByUsername);
    q.setParameter("username", username);
    return (User) q.getSingleResult();
  } catch(NoResultException e) {
    return null;
  }
}

代码示例来源：origin: shopizer-ecommerce/shopizer

Query q = this.em.createQuery(hql);
q.setParameter("cm", store.getId());
q.setParameter("se", seUrl);
Content content = (Content)q.getSingleResult();
List<Content> results = q.getResultList();
if (results.isEmpty()) {
  return null;
} else if (results.size() >= 1) {
    content = results.get(0);

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

@SuppressWarnings("unchecked")
public CreditCardPayment findCreditCardPayment(String referenceNumber) {
  Query query = em.createNamedQuery("BC_READ_CREDIT_CARD_BY_REFERENCE_NUMBER");
  query.setParameter("referenceNumber", referenceNumber);
  List<CreditCardPayment> infos = query.getResultList();
  CreditCardPayment response = (infos == null || infos.size() == 0) ? null : infos.get(0);
  if (response != null) {
    response.setEncryptionModule(encryptionModule);
  }
  return response;
}

代码示例来源：origin: hibernate/hibernate-orm

@Test
public void test_sql_jpa_query_parameters_example() {
  doInJPA( this::entityManagerFactory, entityManager -> {
    //tag::sql-jpa-query-parameters-example[]
    List<Person> persons = entityManager.createNativeQuery(
      "SELECT * " +
      "FROM Person " +
      "WHERE name like :name", Person.class )
    .setParameter("name", "J%")
    .getResultList();
    //end::sql-jpa-query-parameters-example[]
    assertEquals(1, persons.size());
  });
}

代码示例来源：origin: netgloo/spring-boot-samples

/**
 * Return the user having the passed email.
 */
public User getByEmail(String email) {
 return (User) entityManager.createQuery(
   "from User where email = :email")
   .setParameter("email", email)
   .getSingleResult();
}

代码示例来源：origin: AxonFramework/AxonFramework

@Override
public void releaseClaim(String processorName, int segment) {
  EntityManager entityManager = entityManagerProvider.getEntityManager();
  int updates = entityManager.createQuery(
      "UPDATE TokenEntry te SET te.owner = null " +
          "WHERE te.owner = :owner AND te.processorName = :processorName " +
          "AND te.segment = :segment"
  ).setParameter("processorName", processorName).setParameter("segment", segment).setParameter("owner", nodeId)
                .executeUpdate();
  if (updates == 0) {
    logger.warn("Releasing claim of token {}/{} failed. It was not owned by {}", processorName, segment,
          nodeId);
  }
}

代码示例来源：origin: kiegroup/jbpm

@Override
public int executeUpdate(String queryName, Map<String, Object> params) {
  check();
  Query query = this.em.createNamedQuery(queryName);
  if (params != null) {
    for (Map.Entry<String, Object> paramEntry : params.entrySet()) {
      query.setParameter(paramEntry.getKey(), paramEntry.getValue());
    }
  }
  return query.executeUpdate();
}

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

String orderLockKey = getOrderLockKey();
Query q = em.createNamedQuery("BC_ORDER_LOCK_READ");
q.setParameter("orderId", order.getId());
q.setParameter("key", orderLockKey);
q.setHint(QueryHints.HINT_CACHEABLE, false);
Long count = (Long) q.getSingleResult();
q = em.createNamedQuery("BC_ORDER_LOCK_ACQUIRE");
q.setParameter("orderId", order.getId());
q.setParameter("currentTime", System.currentTimeMillis());
q.setParameter("key", orderLockKey);
Long orderLockTimeToLive = getDatabaseOrderLockTimeToLive();
q.setParameter("timeout", orderLockTimeToLive==-1L?orderLockTimeToLive:System.currentTimeMillis() - orderLockTimeToLive);
q.setHint(QueryHints.HINT_CACHEABLE, false);
int rowsAffected = q.executeUpdate();

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

@Override
public ChallengeQuestion readChallengeQuestionById(long challengeQuestionId) {
  Query query = em.createNamedQuery("BC_READ_CHALLENGE_QUESTION_BY_ID");
  query.setParameter("question_id", challengeQuestionId);
  List<ChallengeQuestion> challengeQuestions = query.getResultList();
  return challengeQuestions == null || challengeQuestions.isEmpty() ? null : challengeQuestions.get(0);
}

代码示例来源：origin: hibernate/hibernate-orm

@Test
public void test_jpql_api_positional_parameter_example() {
  doInJPA( this::entityManagerFactory, entityManager -> {
    //tag::jpql-api-positional-parameter-example[]
    Query query = entityManager.createQuery(
      "select p " +
      "from Person p " +
      "where p.name like ?1" )
    .setParameter( 1, "J%" );
    //end::jpql-api-positional-parameter-example[]
  });
}

代码示例来源：origin: shopizer-ecommerce/shopizer

Query q = this.em.createQuery(hql);
q.setParameter("pid", productId);
q.setParameter("lid", regionList);
q.setParameter("dt", new Date());
q.setParameter("lang", language.getId());
List<Product> results = q.getResultList();
if (results.isEmpty()) return null;
else if (results.size() == 1) return (Product) results.get(0);
throw new NonUniqueResultException();

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

@Override
public StructuredContentType findStructuredContentTypeByName(String name) {
  Query query = em.createNamedQuery("BC_READ_STRUCTURED_CONTENT_TYPE_BY_NAME");
  query.setParameter("name",name);
  query.setHint(QueryHints.HINT_CACHEABLE, true);
  List<StructuredContentType> results = query.getResultList();
  if (results.size() > 0) {
    return results.get(0);
  } else {
    return null;
  }
}

代码示例来源：origin: hibernate/hibernate-orm

@Test
  public void testColumnName() {
    EntityManager em = getEntityManager();
    em.getTransaction().begin();
    Query query = em.createNativeQuery(
        "select nte_data, data_MOD_different from naming_test_entity_2_versions where nte_id = :nteId");
    query.setParameter("nteId", this.id);
    List<Object[]> resultList = query.getResultList();
    Assert.assertNotNull(resultList);
    Assert.assertTrue(resultList.size() > 0);
    Object[] result = resultList.get(0);
    Assert.assertEquals(result.length, 2);
    em.getTransaction().commit();
  }
}

代码示例来源：origin: spring-projects/spring-data-examples

@Override
  @SuppressWarnings("unchecked")
  public List<Contact> findRelatives(Contact contact) {

    return entityManager.createQuery("SELECT u FROM User u WHERE u.lastname = :lastname") //
        .setParameter("lastname", contact.getLastname()) //
        .getResultList();
  }
}

代码示例来源：origin: kiegroup/jbpm

@Override
public ExecutionError get(String errorId) {
  if (!isActive()) {
    return null;
  }
  return (ExecutionError) call((EntityManager em) -> {
    
    return em.createQuery("from ExecutionErrorInfo where errorId =:errorId")
      .setParameter("errorId", errorId)
      .getSingleResult();
  });
}

代码示例来源：origin: kiegroup/jbpm

public int executeUpdateString(String updateString, Map<String, Object> parameters) {
  check();
  Query query = this.em.createQuery(updateString);
  if (parameters != null && !parameters.isEmpty()) {
    for (String name : parameters.keySet()) {                
      query.setParameter(name, parameters.get(name));
    }
  }
  return query.executeUpdate();
}

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

@Override
public CustomerPayment readCustomerPaymentByToken(String token) {
  Query query = em.createNamedQuery("BC_READ_CUSTOMER_PAYMENT_BY_TOKEN");
  query.setParameter("token", token);
  CustomerPayment payment = null;
  try{
    payment = (CustomerPayment) query.getSingleResult();
  } catch (NoResultException e) {
    //do nothing
  }
  return  payment;
}

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

@Override
public void execute() throws Throwable {
  Query q = em.createNamedQuery("BC_ORDER_LOCK_RELEASE");
  q.setParameter("orderId", order.getId());
  q.setParameter("key", getOrderLockKey());
  q.setHint(QueryHints.HINT_CACHEABLE, false);
  int rowsAffected = q.executeUpdate();
  response[0] = rowsAffected == 1;
}

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