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BeanFactoryAspectInstanceFactory (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.aop.aspectj.annotation
Class BeanFactoryAspectInstanceFactory

java.lang.Object
  org.springframework.aop.aspectj.annotation.BeanFactoryAspectInstanceFactory

All Implemented Interfaces:

MetadataAwareAspectInstanceFactory, AspectInstanceFactory, Ordered

Direct Known Subclasses:

PrototypeAspectInstanceFactory

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public class BeanFactoryAspectInstanceFactory
extends Object
implements MetadataAwareAspectInstanceFactory

AspectInstanceFactory backed by a Spring BeanFactory.

Note that this may instantiate multiple times if using a prototype, which probably won't give the semantics you expect. Use a LazySingletonAspectInstanceFactoryDecorator to wrap this to ensure only one new aspect comes back.

Since:

2.0

Author:

Rod Johnson, Juergen Hoeller

See Also:

BeanFactory, LazySingletonAspectInstanceFactoryDecorator

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Field Summary

 

Fields inherited from interface org.springframework.core.Ordered
HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

 

Constructor Summary
BeanFactoryAspectInstanceFactory(BeanFactory beanFactory, String name)           Create a BeanFactoryAspectInstanceFactory.
BeanFactoryAspectInstanceFactory(BeanFactory beanFactory, String name, Class type)           Create a BeanFactoryAspectInstanceFactory, providing a type that AspectJ should introspect to create AJType metadata.

 

Method Summary
Object	getAspectInstance()           Create an instance of this factory's aspect.
AspectMetadata	getAspectMetadata()           Return the AspectJ AspectMetadata for this factory's aspect.
int	getOrder()           Determine the order for this factory's target aspect, either an instance-specific order expressed through implementing the Ordered interface (only checked for singleton beans), or an order expressed through the Order annotation at the class level.
String	toString()

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

BeanFactoryAspectInstanceFactory

public BeanFactoryAspectInstanceFactory(BeanFactory beanFactory,
                                        String name)

Create a BeanFactoryAspectInstanceFactory. AspectJ will be called to introspect to create AJType metadata using the type returned for the given bean name from the BeanFactory.

Parameters:

beanFactory - BeanFactory to obtain instance(s) from

name - name of the bean

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BeanFactoryAspectInstanceFactory

public BeanFactoryAspectInstanceFactory(BeanFactory beanFactory,
                                        String name,
                                        Class type)

Create a BeanFactoryAspectInstanceFactory, providing a type that AspectJ should introspect to create AJType metadata. Use if the BeanFactory may consider the type to be a subclass (as when using CGLIB), and the information should relate to a superclass.

Parameters:

beanFactory - BeanFactory to obtain instance(s) from

name - the name of the bean

type - the type that should be introspected by AspectJ

Method Detail

getAspectInstance

public Object getAspectInstance()

Description copied from interface: AspectInstanceFactory

Create an instance of this factory's aspect.

Specified by:

getAspectInstance in interface AspectInstanceFactory

Returns:

the aspect instance (never null)

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getAspectMetadata

public AspectMetadata getAspectMetadata()

Description copied from interface: MetadataAwareAspectInstanceFactory

Return the AspectJ AspectMetadata for this factory's aspect.

Specified by:

getAspectMetadata in interface MetadataAwareAspectInstanceFactory

Returns:

the aspect metadata

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getOrder

public int getOrder()

Determine the order for this factory's target aspect, either an instance-specific order expressed through implementing the Ordered interface (only checked for singleton beans), or an order expressed through the Order annotation at the class level.

Specified by:

getOrder in interface Ordered

Returns:

the order value

See Also:

Ordered, Order

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toString

public String toString()

Overrides:

toString in class Object

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