类 BeanFactoryAnnotationUtils

构造器详细资料

• BeanFactoryAnnotationUtils

  public BeanFactoryAnnotationUtils()

方法详细资料

• qualifiedBeansOfType

  public static <T> Map<String,​T> qualifiedBeansOfType​(ListableBeanFactory beanFactory,
                                                             Class<T> beanType,
                                                             String qualifier)
                                                      throws BeansException

  Retrieve all bean of type T from the given BeanFactory declaring a qualifier (e.g. via <qualifier> or @Qualifier) matching the given qualifier, or having a bean name matching the given qualifier.

  参数:

  beanFactory - the factory to get the target beans from (also searching ancestors)

  beanType - the type of beans to retrieve

  qualifier - the qualifier for selecting among all type matches

  返回:

  the matching beans of type T

  抛出:

  BeansException - if any of the matching beans could not be created

  从以下版本开始:

  5.1.1

  另请参阅:

  BeanFactoryUtils.beansOfTypeIncludingAncestors(ListableBeanFactory, Class)

• qualifiedBeanOfType

  public static <T> T qualifiedBeanOfType​(BeanFactory beanFactory,
                                          Class<T> beanType,
                                          String qualifier)
                                   throws BeansException

  Obtain a bean of type T from the given BeanFactory declaring a qualifier (e.g. via <qualifier> or @Qualifier) matching the given qualifier, or having a bean name matching the given qualifier.

  参数:

  beanFactory - the factory to get the target bean from (also searching ancestors)

  beanType - the type of bean to retrieve

  qualifier - the qualifier for selecting between multiple bean matches

  返回:

  the matching bean of type T (never null)

  抛出:

  NoUniqueBeanDefinitionException - if multiple matching beans of type T found

  NoSuchBeanDefinitionException - if no matching bean of type T found

  BeansException - if the bean could not be created

  另请参阅:

  BeanFactoryUtils.beanOfTypeIncludingAncestors(ListableBeanFactory, Class)

• isQualifierMatch

  public static boolean isQualifierMatch​(Predicate<String> qualifier,
                                         String beanName,
                                         @Nullable
                                         BeanFactory beanFactory)

  Check whether the named bean declares a qualifier of the given name.

  参数:

  qualifier - the qualifier to match

  beanName - the name of the candidate bean

  beanFactory - the factory from which to retrieve the named bean

  返回:

  true if either the bean definition (in the XML case) or the bean's factory method (in the @Bean case) defines a matching qualifier value (through <qualifier> or @Qualifier)

  从以下版本开始:

  5.0