Class AbstractAutowireCapableBeanFactory

Constructor Detail

• AbstractAutowireCapableBeanFactory

  public AbstractAutowireCapableBeanFactory()

  Create a new AbstractAutowireCapableBeanFactory.

• AbstractAutowireCapableBeanFactory

  public AbstractAutowireCapableBeanFactory​(BeanFactory parentBeanFactory)

  Create a new AbstractAutowireCapableBeanFactory with the given parent.

  Parameters:

  parentBeanFactory - parent bean factory, or null if none

Method Detail

• setInstantiationStrategy

  public void setInstantiationStrategy​(InstantiationStrategy instantiationStrategy)

  Set the instantiation strategy to use for creating bean instances. Default is CglibSubclassingInstantiationStrategy.

  See Also:

  CglibSubclassingInstantiationStrategy

• getInstantiationStrategy

  protected InstantiationStrategy getInstantiationStrategy()

  Return the instantiation strategy to use for creating bean instances.

• setParameterNameDiscoverer

  public void setParameterNameDiscoverer​(ParameterNameDiscoverer parameterNameDiscoverer)

  Set the ParameterNameDiscoverer to use for resolving method parameter names if needed (e.g. for constructor names).

  Default is a DefaultParameterNameDiscoverer.

• getParameterNameDiscoverer

  protected ParameterNameDiscoverer getParameterNameDiscoverer()

  Return the ParameterNameDiscoverer to use for resolving method parameter names if needed.

• setAllowCircularReferences

  public void setAllowCircularReferences​(boolean allowCircularReferences)

  Set whether to allow circular references between beans - and automatically try to resolve them.

  Note that circular reference resolution means that one of the involved beans will receive a reference to another bean that is not fully initialized yet. This can lead to subtle and not-so-subtle side effects on initialization; it does work fine for many scenarios, though.

  Default is "true". Turn this off to throw an exception when encountering a circular reference, disallowing them completely.

  NOTE: It is generally recommended to not rely on circular references between your beans. Refactor your application logic to have the two beans involved delegate to a third bean that encapsulates their common logic.

• setAllowRawInjectionDespiteWrapping

  public void setAllowRawInjectionDespiteWrapping​(boolean allowRawInjectionDespiteWrapping)

  Set whether to allow the raw injection of a bean instance into some other bean's property, despite the injected bean eventually getting wrapped (for example, through AOP auto-proxying).

  This will only be used as a last resort in case of a circular reference that cannot be resolved otherwise: essentially, preferring a raw instance getting injected over a failure of the entire bean wiring process.

  Default is "false", as of Spring 2.0. Turn this on to allow for non-wrapped raw beans injected into some of your references, which was Spring 1.2's (arguably unclean) default behavior.

  NOTE: It is generally recommended to not rely on circular references between your beans, in particular with auto-proxying involved.

  See Also:

  setAllowCircularReferences(boolean)

• ignoreDependencyType

  public void ignoreDependencyType​(Class<?> type)

  Ignore the given dependency type for autowiring: for example, String. Default is none.

• ignoreDependencyInterface

  public void ignoreDependencyInterface​(Class<?> ifc)

  Ignore the given dependency interface for autowiring.

  This will typically be used by application contexts to register dependencies that are resolved in other ways, like BeanFactory through BeanFactoryAware or ApplicationContext through ApplicationContextAware.

  By default, only the BeanFactoryAware interface is ignored. For further types to ignore, invoke this method for each type.

  See Also:

  BeanFactoryAware, ApplicationContextAware

• copyConfigurationFrom

  public void copyConfigurationFrom​(ConfigurableBeanFactory otherFactory)

  Description copied from interface: ConfigurableBeanFactory
  Copy all relevant configuration from the given other factory.

  Should include all standard configuration settings as well as BeanPostProcessors, Scopes, and factory-specific internal settings. Should not include any metadata of actual bean definitions, such as BeanDefinition objects and bean name aliases.

  Specified by:

  copyConfigurationFrom in interface ConfigurableBeanFactory

  Overrides:

  copyConfigurationFrom in class AbstractBeanFactory

  Parameters:

  otherFactory - the other BeanFactory to copy from

• createBean

  public <T> T createBean​(Class<T> beanClass)
                   throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Fully create a new bean instance of the given class.

  Performs full initialization of the bean, including all applicable BeanPostProcessors.

  Note: This is intended for creating a fresh instance, populating annotated fields and methods as well as applying all standard bean initialization callbacks. It does not imply traditional by-name or by-type autowiring of properties; use AutowireCapableBeanFactory.createBean(Class, int, boolean) for those purposes.

  Specified by:

  createBean in interface AutowireCapableBeanFactory

  Parameters:

  beanClass - the class of the bean to create

  Returns:

  the new bean instance

  Throws:

  BeansException - if instantiation or wiring failed

• autowireBean

  public void autowireBean​(Object existingBean)

  Description copied from interface: AutowireCapableBeanFactory
  Populate the given bean instance through applying after-instantiation callbacks and bean property post-processing (e.g. for annotation-driven injection).

  Note: This is essentially intended for (re-)populating annotated fields and methods, either for new instances or for deserialized instances. It does not imply traditional by-name or by-type autowiring of properties; use AutowireCapableBeanFactory.autowireBeanProperties(java.lang.Object, int, boolean) for those purposes.

  Specified by:

  autowireBean in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the existing bean instance

• configureBean

  public Object configureBean​(Object existingBean,
                              String beanName)
                       throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Configure the given raw bean: autowiring bean properties, applying bean property values, applying factory callbacks such as setBeanName and setBeanFactory, and also applying all bean post processors (including ones which might wrap the given raw bean).

  This is effectively a superset of what AutowireCapableBeanFactory.initializeBean(java.lang.Object, java.lang.String) provides, fully applying the configuration specified by the corresponding bean definition. Note: This method requires a bean definition for the given name!

  Specified by:

  configureBean in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the existing bean instance

  beanName - the name of the bean, to be passed to it if necessary (a bean definition of that name has to be available)

  Returns:

  the bean instance to use, either the original or a wrapped one

  Throws:

  NoSuchBeanDefinitionException - if there is no bean definition with the given name

  BeansException - if the initialization failed

  See Also:

  AutowireCapableBeanFactory.initializeBean(java.lang.Object, java.lang.String)

• resolveDependency

  public Object resolveDependency​(DependencyDescriptor descriptor,
                                  String requestingBeanName)
                           throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Resolve the specified dependency against the beans defined in this factory.

  Specified by:

  resolveDependency in interface AutowireCapableBeanFactory

  Parameters:

  descriptor - the descriptor for the dependency (field/method/constructor)

  requestingBeanName - the name of the bean which declares the given dependency

  Returns:

  the resolved object, or null if none found

  Throws:

  NoSuchBeanDefinitionException - if no matching bean was found

  NoUniqueBeanDefinitionException - if more than one matching bean was found

  BeansException - if dependency resolution failed for any other reason

  See Also:

  AutowireCapableBeanFactory.resolveDependency(DependencyDescriptor, String, Set, TypeConverter)

• createBean

  public Object createBean​(Class<?> beanClass,
                           int autowireMode,
                           boolean dependencyCheck)
                    throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Fully create a new bean instance of the given class with the specified autowire strategy. All constants defined in this interface are supported here.

  Performs full initialization of the bean, including all applicable BeanPostProcessors. This is effectively a superset of what AutowireCapableBeanFactory.autowire(java.lang.Class<?>, int, boolean) provides, adding AutowireCapableBeanFactory.initializeBean(java.lang.Object, java.lang.String) behavior.

  Specified by:

  createBean in interface AutowireCapableBeanFactory

  Parameters:

  beanClass - the class of the bean to create

  autowireMode - by name or type, using the constants in this interface

  dependencyCheck - whether to perform a dependency check for objects (not applicable to autowiring a constructor, thus ignored there)

  Returns:

  the new bean instance

  Throws:

  BeansException - if instantiation or wiring failed

  See Also:

  AutowireCapableBeanFactory.AUTOWIRE_NO, AutowireCapableBeanFactory.AUTOWIRE_BY_NAME, AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE, AutowireCapableBeanFactory.AUTOWIRE_CONSTRUCTOR

• autowire

  public Object autowire​(Class<?> beanClass,
                         int autowireMode,
                         boolean dependencyCheck)
                  throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Instantiate a new bean instance of the given class with the specified autowire strategy. All constants defined in this interface are supported here. Can also be invoked with AUTOWIRE_NO in order to just apply before-instantiation callbacks (e.g. for annotation-driven injection).

  Does not apply standard BeanPostProcessors callbacks or perform any further initialization of the bean. This interface offers distinct, fine-grained operations for those purposes, for example AutowireCapableBeanFactory.initializeBean(java.lang.Object, java.lang.String). However, InstantiationAwareBeanPostProcessor callbacks are applied, if applicable to the construction of the instance.

  Specified by:

  autowire in interface AutowireCapableBeanFactory

  Parameters:

  beanClass - the class of the bean to instantiate

  autowireMode - by name or type, using the constants in this interface

  dependencyCheck - whether to perform a dependency check for object references in the bean instance (not applicable to autowiring a constructor, thus ignored there)

  Returns:

  the new bean instance

  Throws:

  BeansException - if instantiation or wiring failed

  See Also:

  AutowireCapableBeanFactory.AUTOWIRE_NO, AutowireCapableBeanFactory.AUTOWIRE_BY_NAME, AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE, AutowireCapableBeanFactory.AUTOWIRE_CONSTRUCTOR, AutowireCapableBeanFactory.AUTOWIRE_AUTODETECT, AutowireCapableBeanFactory.initializeBean(java.lang.Object, java.lang.String), AutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(java.lang.Object, java.lang.String), AutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(java.lang.Object, java.lang.String)

• autowireBeanProperties

  public void autowireBeanProperties​(Object existingBean,
                                     int autowireMode,
                                     boolean dependencyCheck)
                              throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Autowire the bean properties of the given bean instance by name or type. Can also be invoked with AUTOWIRE_NO in order to just apply after-instantiation callbacks (e.g. for annotation-driven injection).

  Does not apply standard BeanPostProcessors callbacks or perform any further initialization of the bean. This interface offers distinct, fine-grained operations for those purposes, for example AutowireCapableBeanFactory.initializeBean(java.lang.Object, java.lang.String). However, InstantiationAwareBeanPostProcessor callbacks are applied, if applicable to the configuration of the instance.

  Specified by:

  autowireBeanProperties in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the existing bean instance

  autowireMode - by name or type, using the constants in this interface

  dependencyCheck - whether to perform a dependency check for object references in the bean instance

  Throws:

  BeansException - if wiring failed

  See Also:

  AutowireCapableBeanFactory.AUTOWIRE_BY_NAME, AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE, AutowireCapableBeanFactory.AUTOWIRE_NO

• applyBeanPropertyValues

  public void applyBeanPropertyValues​(Object existingBean,
                                      String beanName)
                               throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Apply the property values of the bean definition with the given name to the given bean instance. The bean definition can either define a fully self-contained bean, reusing its property values, or just property values meant to be used for existing bean instances.

  This method does not autowire bean properties; it just applies explicitly defined property values. Use the AutowireCapableBeanFactory.autowireBeanProperties(java.lang.Object, int, boolean) method to autowire an existing bean instance. Note: This method requires a bean definition for the given name!

  Does not apply standard BeanPostProcessors callbacks or perform any further initialization of the bean. This interface offers distinct, fine-grained operations for those purposes, for example AutowireCapableBeanFactory.initializeBean(java.lang.Object, java.lang.String). However, InstantiationAwareBeanPostProcessor callbacks are applied, if applicable to the configuration of the instance.

  Specified by:

  applyBeanPropertyValues in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the existing bean instance

  beanName - the name of the bean definition in the bean factory (a bean definition of that name has to be available)

  Throws:

  NoSuchBeanDefinitionException - if there is no bean definition with the given name

  BeansException - if applying the property values failed

  See Also:

  AutowireCapableBeanFactory.autowireBeanProperties(java.lang.Object, int, boolean)

• initializeBean

  public Object initializeBean​(Object existingBean,
                               String beanName)

  Description copied from interface: AutowireCapableBeanFactory
  Initialize the given raw bean, applying factory callbacks such as setBeanName and setBeanFactory, also applying all bean post processors (including ones which might wrap the given raw bean).

  Note that no bean definition of the given name has to exist in the bean factory. The passed-in bean name will simply be used for callbacks but not checked against the registered bean definitions.

  Specified by:

  initializeBean in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the existing bean instance

  beanName - the name of the bean, to be passed to it if necessary (only passed to BeanPostProcessors)

  Returns:

  the bean instance to use, either the original or a wrapped one

• applyBeanPostProcessorsBeforeInitialization

  public Object applyBeanPostProcessorsBeforeInitialization​(Object existingBean,
                                                            String beanName)
                                                     throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Apply BeanPostProcessors to the given existing bean instance, invoking their postProcessBeforeInitialization methods. The returned bean instance may be a wrapper around the original.

  Specified by:

  applyBeanPostProcessorsBeforeInitialization in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the existing bean instance

  beanName - the name of the bean, to be passed to it if necessary (only passed to BeanPostProcessors)

  Returns:

  the bean instance to use, either the original or a wrapped one

  Throws:

  BeansException - if any post-processing failed

  See Also:

  BeanPostProcessor.postProcessBeforeInitialization(java.lang.Object, java.lang.String)

• applyBeanPostProcessorsAfterInitialization

  public Object applyBeanPostProcessorsAfterInitialization​(Object existingBean,
                                                           String beanName)
                                                    throws BeansException

  Description copied from interface: AutowireCapableBeanFactory
  Apply BeanPostProcessors to the given existing bean instance, invoking their postProcessAfterInitialization methods. The returned bean instance may be a wrapper around the original.

  Specified by:

  applyBeanPostProcessorsAfterInitialization in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the existing bean instance

  beanName - the name of the bean, to be passed to it if necessary (only passed to BeanPostProcessors)

  Returns:

  the bean instance to use, either the original or a wrapped one

  Throws:

  BeansException - if any post-processing failed

  See Also:

  BeanPostProcessor.postProcessAfterInitialization(java.lang.Object, java.lang.String)

• destroyBean

  public void destroyBean​(Object existingBean)

  Description copied from interface: AutowireCapableBeanFactory
  Destroy the given bean instance (typically coming from AutowireCapableBeanFactory.createBean(java.lang.Class<T>)), applying the DisposableBean contract as well as registered DestructionAwareBeanPostProcessors.

  Any exception that arises during destruction should be caught and logged instead of propagated to the caller of this method.

  Specified by:

  destroyBean in interface AutowireCapableBeanFactory

  Parameters:

  existingBean - the bean instance to destroy

• createBean

  protected Object createBean​(String beanName,
                              RootBeanDefinition mbd,
                              Object[] args)
                       throws BeanCreationException

  Central method of this class: creates a bean instance, populates the bean instance, applies post-processors, etc.

  Specified by:

  createBean in class AbstractBeanFactory

  Parameters:

  beanName - the name of the bean

  mbd - the merged bean definition for the bean

  args - explicit arguments to use for constructor or factory method invocation

  Returns:

  a new instance of the bean

  Throws:

  BeanCreationException - if the bean could not be created

  See Also:

  doCreateBean(java.lang.String, org.springframework.beans.factory.support.RootBeanDefinition, java.lang.Object[])

• doCreateBean

  protected Object doCreateBean​(String beanName,
                                RootBeanDefinition mbd,
                                Object[] args)
                         throws BeanCreationException

  Actually create the specified bean. Pre-creation processing has already happened at this point, e.g. checking postProcessBeforeInstantiation callbacks.

  Differentiates between default bean instantiation, use of a factory method, and autowiring a constructor.

  Parameters:

  beanName - the name of the bean

  mbd - the merged bean definition for the bean

  args - explicit arguments to use for constructor or factory method invocation

  Returns:

  a new instance of the bean

  Throws:

  BeanCreationException - if the bean could not be created

  See Also:

  instantiateBean(java.lang.String, org.springframework.beans.factory.support.RootBeanDefinition), instantiateUsingFactoryMethod(java.lang.String, org.springframework.beans.factory.support.RootBeanDefinition, java.lang.Object[]), autowireConstructor(java.lang.String, org.springframework.beans.factory.support.RootBeanDefinition, java.lang.reflect.Constructor<?>[], java.lang.Object[])

• predictBeanType

  protected Class<?> predictBeanType​(String beanName,
                                     RootBeanDefinition mbd,
                                     Class<?>... typesToMatch)

  Description copied from class: AbstractBeanFactory
  Predict the eventual bean type (of the processed bean instance) for the specified bean. Called by AbstractBeanFactory.getType(java.lang.String) and AbstractBeanFactory.isTypeMatch(java.lang.String, org.springframework.core.ResolvableType). Does not need to handle FactoryBeans specifically, since it is only supposed to operate on the raw bean type.

  This implementation is simplistic in that it is not able to handle factory methods and InstantiationAwareBeanPostProcessors. It only predicts the bean type correctly for a standard bean. To be overridden in subclasses, applying more sophisticated type detection.

  Overrides:

  predictBeanType in class AbstractBeanFactory

  Parameters:

  beanName - the name of the bean

  mbd - the merged bean definition to determine the type for

  typesToMatch - the types to match in case of internal type matching purposes (also signals that the returned Class will never be exposed to application code)

  Returns:

  the type of the bean, or null if not predictable

• determineTargetType

  protected Class<?> determineTargetType​(String beanName,
                                         RootBeanDefinition mbd,
                                         Class<?>... typesToMatch)

  Determine the target type for the given bean definition.

  Parameters:

  beanName - the name of the bean (for error handling purposes)

  mbd - the merged bean definition for the bean

  typesToMatch - the types to match in case of internal type matching purposes (also signals that the returned Class will never be exposed to application code)

  Returns:

  the type for the bean if determinable, or null otherwise

• getTypeForFactoryMethod

  protected Class<?> getTypeForFactoryMethod​(String beanName,
                                             RootBeanDefinition mbd,
                                             Class<?>... typesToMatch)

  Determine the target type for the given bean definition which is based on a factory method. Only called if there is no singleton instance registered for the target bean already.

  This implementation determines the type matching createBean(java.lang.Class<T>)'s different creation strategies. As far as possible, we'll perform static type checking to avoid creation of the target bean.

  Parameters:

  beanName - the name of the bean (for error handling purposes)

  mbd - the merged bean definition for the bean

  typesToMatch - the types to match in case of internal type matching purposes (also signals that the returned Class will never be exposed to application code)

  Returns:

  the type for the bean if determinable, or null otherwise

  See Also:

  createBean(java.lang.Class<T>)

• getTypeForFactoryBean

  protected Class<?> getTypeForFactoryBean​(String beanName,
                                           RootBeanDefinition mbd)

  This implementation attempts to query the FactoryBean's generic parameter metadata if present to determine the object type. If not present, i.e. the FactoryBean is declared as a raw type, checks the FactoryBean's getObjectType method on a plain instance of the FactoryBean, without bean properties applied yet. If this doesn't return a type yet, a full creation of the FactoryBean is used as fallback (through delegation to the superclass's implementation).

  The shortcut check for a FactoryBean is only applied in case of a singleton FactoryBean. If the FactoryBean instance itself is not kept as singleton, it will be fully created to check the type of its exposed object.

  Overrides:

  getTypeForFactoryBean in class AbstractBeanFactory

  Parameters:

  beanName - the name of the bean

  mbd - the merged bean definition for the bean

  Returns:

  the type for the bean if determinable, or null otherwise

  See Also:

  FactoryBean.getObjectType(), AbstractBeanFactory.getBean(String)

• getEarlyBeanReference

  protected Object getEarlyBeanReference​(String beanName,
                                         RootBeanDefinition mbd,
                                         Object bean)

  Obtain a reference for early access to the specified bean, typically for the purpose of resolving a circular reference.

  Parameters:

  beanName - the name of the bean (for error handling purposes)

  mbd - the merged bean definition for the bean

  bean - the raw bean instance

  Returns:

  the object to expose as bean reference

• applyMergedBeanDefinitionPostProcessors

  protected void applyMergedBeanDefinitionPostProcessors​(RootBeanDefinition mbd,
                                                         Class<?> beanType,
                                                         String beanName)

  Apply MergedBeanDefinitionPostProcessors to the specified bean definition, invoking their postProcessMergedBeanDefinition methods.

  Parameters:

  mbd - the merged bean definition for the bean

  beanType - the actual type of the managed bean instance

  beanName - the name of the bean

  See Also:

  MergedBeanDefinitionPostProcessor.postProcessMergedBeanDefinition(org.springframework.beans.factory.support.RootBeanDefinition, java.lang.Class<?>, java.lang.String)

• resolveBeforeInstantiation

  protected Object resolveBeforeInstantiation​(String beanName,
                                              RootBeanDefinition mbd)

  Apply before-instantiation post-processors, resolving whether there is a before-instantiation shortcut for the specified bean.

  Parameters:

  beanName - the name of the bean

  mbd - the bean definition for the bean

  Returns:

  the shortcut-determined bean instance, or null if none

• applyBeanPostProcessorsBeforeInstantiation

  protected Object applyBeanPostProcessorsBeforeInstantiation​(Class<?> beanClass,
                                                              String beanName)

  Apply InstantiationAwareBeanPostProcessors to the specified bean definition (by class and name), invoking their postProcessBeforeInstantiation methods.

  Any returned object will be used as the bean instead of actually instantiating the target bean. A null return value from the post-processor will result in the target bean being instantiated.

  Parameters:

  beanClass - the class of the bean to be instantiated

  beanName - the name of the bean

  Returns:

  the bean object to use instead of a default instance of the target bean, or null

  See Also:

  InstantiationAwareBeanPostProcessor.postProcessBeforeInstantiation(java.lang.Class<?>, java.lang.String)

• createBeanInstance

  protected BeanWrapper createBeanInstance​(String beanName,
                                           RootBeanDefinition mbd,
                                           Object[] args)

  Create a new instance for the specified bean, using an appropriate instantiation strategy: factory method, constructor autowiring, or simple instantiation.

  Parameters:

  beanName - the name of the bean

  mbd - the bean definition for the bean

  args - explicit arguments to use for constructor or factory method invocation

  Returns:

  a BeanWrapper for the new instance

  See Also:

  instantiateUsingFactoryMethod(java.lang.String, org.springframework.beans.factory.support.RootBeanDefinition, java.lang.Object[]), autowireConstructor(java.lang.String, org.springframework.beans.factory.support.RootBeanDefinition, java.lang.reflect.Constructor<?>[], java.lang.Object[]), instantiateBean(java.lang.String, org.springframework.beans.factory.support.RootBeanDefinition)

• determineConstructorsFromBeanPostProcessors

  protected Constructor<?>[] determineConstructorsFromBeanPostProcessors​(Class<?> beanClass,
                                                                         String beanName)
                                                                  throws BeansException

  Determine candidate constructors to use for the given bean, checking all registered SmartInstantiationAwareBeanPostProcessors.

  Parameters:

  beanClass - the raw class of the bean

  beanName - the name of the bean

  Returns:

  the candidate constructors, or null if none specified

  Throws:

  BeansException - in case of errors

  See Also:

  SmartInstantiationAwareBeanPostProcessor.determineCandidateConstructors(java.lang.Class<?>, java.lang.String)

• instantiateBean

  protected BeanWrapper instantiateBean​(String beanName,
                                        RootBeanDefinition mbd)

  Instantiate the given bean using its default constructor.

  Parameters:

  beanName - the name of the bean

  mbd - the bean definition for the bean

  Returns:

  a BeanWrapper for the new instance

• instantiateUsingFactoryMethod

  protected BeanWrapper instantiateUsingFactoryMethod​(String beanName,
                                                      RootBeanDefinition mbd,
                                                      Object[] explicitArgs)

  Instantiate the bean using a named factory method. The method may be static, if the mbd parameter specifies a class, rather than a factoryBean, or an instance variable on a factory object itself configured using Dependency Injection.

  Parameters:

  beanName - the name of the bean

  mbd - the bean definition for the bean

  explicitArgs - argument values passed in programmatically via the getBean method, or null if none (-> use constructor argument values from bean definition)

  Returns:

  a BeanWrapper for the new instance

  See Also:

  AbstractBeanFactory.getBean(String, Object[])

• autowireConstructor

  protected BeanWrapper autowireConstructor​(String beanName,
                                            RootBeanDefinition mbd,
                                            Constructor<?>[] ctors,
                                            Object[] explicitArgs)

  "autowire constructor" (with constructor arguments by type) behavior. Also applied if explicit constructor argument values are specified, matching all remaining arguments with beans from the bean factory.

  This corresponds to constructor injection: In this mode, a Spring bean factory is able to host components that expect constructor-based dependency resolution.

  Parameters:

  beanName - the name of the bean

  mbd - the bean definition for the bean

  ctors - the chosen candidate constructors

  explicitArgs - argument values passed in programmatically via the getBean method, or null if none (-> use constructor argument values from bean definition)

  Returns:

  a BeanWrapper for the new instance

• populateBean

  protected void populateBean​(String beanName,
                              RootBeanDefinition mbd,
                              BeanWrapper bw)

  Populate the bean instance in the given BeanWrapper with the property values from the bean definition.

  Parameters:

  beanName - the name of the bean

  mbd - the bean definition for the bean

  bw - the BeanWrapper with bean instance

• autowireByName

  protected void autowireByName​(String beanName,
                                AbstractBeanDefinition mbd,
                                BeanWrapper bw,
                                MutablePropertyValues pvs)

  Fill in any missing property values with references to other beans in this factory if autowire is set to "byName".

  Parameters:

  beanName - the name of the bean we're wiring up. Useful for debugging messages; not used functionally.

  mbd - bean definition to update through autowiring

  bw - the BeanWrapper from which we can obtain information about the bean

  pvs - the PropertyValues to register wired objects with

• autowireByType

  protected void autowireByType​(String beanName,
                                AbstractBeanDefinition mbd,
                                BeanWrapper bw,
                                MutablePropertyValues pvs)

  Abstract method defining "autowire by type" (bean properties by type) behavior.

  This is like PicoContainer default, in which there must be exactly one bean of the property type in the bean factory. This makes bean factories simple to configure for small namespaces, but doesn't work as well as standard Spring behavior for bigger applications.

  Parameters:

  beanName - the name of the bean to autowire by type

  mbd - the merged bean definition to update through autowiring

  bw - the BeanWrapper from which we can obtain information about the bean

  pvs - the PropertyValues to register wired objects with

• unsatisfiedNonSimpleProperties

  protected String[] unsatisfiedNonSimpleProperties​(AbstractBeanDefinition mbd,
                                                    BeanWrapper bw)

  Return an array of non-simple bean properties that are unsatisfied. These are probably unsatisfied references to other beans in the factory. Does not include simple properties like primitives or Strings.

  Parameters:

  mbd - the merged bean definition the bean was created with

  bw - the BeanWrapper the bean was created with

  Returns:

  an array of bean property names

  See Also:

  BeanUtils.isSimpleProperty(java.lang.Class<?>)

• filterPropertyDescriptorsForDependencyCheck

  protected PropertyDescriptor[] filterPropertyDescriptorsForDependencyCheck​(BeanWrapper bw,
                                                                             boolean cache)

  Extract a filtered set of PropertyDescriptors from the given BeanWrapper, excluding ignored dependency types or properties defined on ignored dependency interfaces.

  Parameters:

  bw - the BeanWrapper the bean was created with

  cache - whether to cache filtered PropertyDescriptors for the given bean Class

  Returns:

  the filtered PropertyDescriptors

  See Also:

  isExcludedFromDependencyCheck(java.beans.PropertyDescriptor), filterPropertyDescriptorsForDependencyCheck(org.springframework.beans.BeanWrapper)

• filterPropertyDescriptorsForDependencyCheck

  protected PropertyDescriptor[] filterPropertyDescriptorsForDependencyCheck​(BeanWrapper bw)

  Extract a filtered set of PropertyDescriptors from the given BeanWrapper, excluding ignored dependency types or properties defined on ignored dependency interfaces.

  Parameters:

  bw - the BeanWrapper the bean was created with

  Returns:

  the filtered PropertyDescriptors

  See Also:

  isExcludedFromDependencyCheck(java.beans.PropertyDescriptor)

• isExcludedFromDependencyCheck

  protected boolean isExcludedFromDependencyCheck​(PropertyDescriptor pd)

  Determine whether the given bean property is excluded from dependency checks.

  This implementation excludes properties defined by CGLIB and properties whose type matches an ignored dependency type or which are defined by an ignored dependency interface.

  Parameters:

  pd - the PropertyDescriptor of the bean property

  Returns:

  whether the bean property is excluded

  See Also:

  ignoreDependencyType(Class), ignoreDependencyInterface(Class)

• checkDependencies

  protected void checkDependencies​(String beanName,
                                   AbstractBeanDefinition mbd,
                                   PropertyDescriptor[] pds,
                                   PropertyValues pvs)
                            throws UnsatisfiedDependencyException

  Perform a dependency check that all properties exposed have been set, if desired. Dependency checks can be objects (collaborating beans), simple (primitives and String), or all (both).

  Parameters:

  beanName - the name of the bean

  mbd - the merged bean definition the bean was created with

  pds - the relevant property descriptors for the target bean

  pvs - the property values to be applied to the bean

  Throws:

  UnsatisfiedDependencyException

  See Also:

  isExcludedFromDependencyCheck(java.beans.PropertyDescriptor)

• applyPropertyValues

  protected void applyPropertyValues​(String beanName,
                                     BeanDefinition mbd,
                                     BeanWrapper bw,
                                     PropertyValues pvs)

  Apply the given property values, resolving any runtime references to other beans in this bean factory. Must use deep copy, so we don't permanently modify this property.

  Parameters:

  beanName - the bean name passed for better exception information

  mbd - the merged bean definition

  bw - the BeanWrapper wrapping the target object

  pvs - the new property values

• initializeBean

  protected Object initializeBean​(String beanName,
                                  Object bean,
                                  RootBeanDefinition mbd)

  Initialize the given bean instance, applying factory callbacks as well as init methods and bean post processors.

  Called from createBean(java.lang.Class<T>) for traditionally defined beans, and from initializeBean(java.lang.Object, java.lang.String) for existing bean instances.

  Parameters:

  beanName - the bean name in the factory (for debugging purposes)

  bean - the new bean instance we may need to initialize

  mbd - the bean definition that the bean was created with (can also be null, if given an existing bean instance)

  Returns:

  the initialized bean instance (potentially wrapped)

  See Also:

  BeanNameAware, BeanClassLoaderAware, BeanFactoryAware, applyBeanPostProcessorsBeforeInitialization(java.lang.Object, java.lang.String), invokeInitMethods(java.lang.String, java.lang.Object, org.springframework.beans.factory.support.RootBeanDefinition), applyBeanPostProcessorsAfterInitialization(java.lang.Object, java.lang.String)

• invokeInitMethods

  protected void invokeInitMethods​(String beanName,
                                   Object bean,
                                   RootBeanDefinition mbd)
                            throws Throwable

  Give a bean a chance to react now all its properties are set, and a chance to know about its owning bean factory (this object). This means checking whether the bean implements InitializingBean or defines a custom init method, and invoking the necessary callback(s) if it does.

  Parameters:

  beanName - the bean name in the factory (for debugging purposes)

  bean - the new bean instance we may need to initialize

  mbd - the merged bean definition that the bean was created with (can also be null, if given an existing bean instance)

  Throws:

  Throwable - if thrown by init methods or by the invocation process

  See Also:

  invokeCustomInitMethod(java.lang.String, java.lang.Object, org.springframework.beans.factory.support.RootBeanDefinition)

• invokeCustomInitMethod

  protected void invokeCustomInitMethod​(String beanName,
                                        Object bean,
                                        RootBeanDefinition mbd)
                                 throws Throwable

  Invoke the specified custom init method on the given bean. Called by invokeInitMethods.

  Can be overridden in subclasses for custom resolution of init methods with arguments.

  Throws:

  Throwable

  See Also:

  invokeInitMethods(java.lang.String, java.lang.Object, org.springframework.beans.factory.support.RootBeanDefinition)

• postProcessObjectFromFactoryBean

  protected Object postProcessObjectFromFactoryBean​(Object object,
                                                    String beanName)

  Applies the postProcessAfterInitialization callback of all registered BeanPostProcessors, giving them a chance to post-process the object obtained from FactoryBeans (for example, to auto-proxy them).

  Overrides:

  postProcessObjectFromFactoryBean in class FactoryBeanRegistrySupport

  Parameters:

  object - the object obtained from the FactoryBean.

  beanName - the name of the bean

  Returns:

  the object to expose

  See Also:

  applyBeanPostProcessorsAfterInitialization(java.lang.Object, java.lang.String)

• removeSingleton

  protected void removeSingleton​(String beanName)

  Overridden to clear FactoryBean instance cache as well.

  Overrides:

  removeSingleton in class FactoryBeanRegistrySupport

  Parameters:

  beanName - the name of the bean

  See Also:

  DefaultSingletonBeanRegistry.getSingletonMutex()

• clearSingletonCache

  protected void clearSingletonCache()

  Overridden to clear FactoryBean instance cache as well.

  Overrides:

  clearSingletonCache in class FactoryBeanRegistrySupport