Class InjectionMetadata

Field Detail

• EMPTY

  public static final InjectionMetadata EMPTY

  An empty InjectionMetadata instance with no-op callbacks.

  Since:

  5.2

Constructor Detail

• InjectionMetadata

  public InjectionMetadata​(Class<?> targetClass,
                           Collection<InjectionMetadata.InjectedElement> elements)

  Create a new InjectionMetadata instance.

  Preferably use forElements(java.util.Collection<org.springframework.beans.factory.annotation.InjectionMetadata.InjectedElement>, java.lang.Class<?>) for reusing the EMPTY instance in case of no elements.

  Parameters:

  targetClass - the target class

  elements - the associated elements to inject

  See Also:

  forElements(java.util.Collection<org.springframework.beans.factory.annotation.InjectionMetadata.InjectedElement>, java.lang.Class<?>)

Method Detail

• needsRefresh

  protected boolean needsRefresh​(Class<?> clazz)

  Determine whether this metadata instance needs to be refreshed.

  Parameters:

  clazz - the current target class

  Returns:

  true indicating a refresh, false otherwise

  Since:

  5.2.4

• checkConfigMembers

  public void checkConfigMembers​(RootBeanDefinition beanDefinition)

• inject

  public void inject​(Object target,
                     @Nullable
                     String beanName,
                     @Nullable
                     PropertyValues pvs)
              throws Throwable

  Throws:

  Throwable

• clear

  public void clear​(@Nullable
                    PropertyValues pvs)

  Clear property skipping for the contained elements.

  Since:

  3.2.13

• forElements

  public static InjectionMetadata forElements​(Collection<InjectionMetadata.InjectedElement> elements,
                                              Class<?> clazz)

  Return an InjectionMetadata instance, possibly for empty elements.

  Parameters:

  elements - the elements to inject (possibly empty)

  clazz - the target class

  Returns:

  a new InjectionMetadata(Class, Collection) instance

  Since:

  5.2

• needsRefresh

  public static boolean needsRefresh​(@Nullable
                                     InjectionMetadata metadata,
                                     Class<?> clazz)

  Check whether the given injection metadata needs to be refreshed.

  Parameters:

  metadata - the existing metadata instance

  clazz - the current target class

  Returns:

  true indicating a refresh, false otherwise

  See Also:

  needsRefresh(Class)