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

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org.springframework.beans.factory.generic
Class GenericBeanFactoryAccessor

java.lang.Object
  org.springframework.beans.factory.generic.GenericBeanFactoryAccessor

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public class GenericBeanFactoryAccessor
extends Object

Simple wrapper around a ListableBeanFactory that provides typed, generics-based access to key methods. This removes the need for casting in many cases and should increase compile-time type safety.

Provides a simple mechanism for accessing all beans with a particular Annotation.

Since:

2.0

Author:

Rob Harrop, Juergen Hoeller

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Constructor Summary
GenericBeanFactoryAccessor(ListableBeanFactory beanFactory)           Constructs a GenericBeanFactoryAccessor that wraps the supplied ListableBeanFactory.

 

Method Summary
<T> T	getBean(String name)
<T> T	getBean(String name, Class<T> requiredType)
ListableBeanFactory	getBeanFactory()           Return the wrapped ListableBeanFactory.
<T> Map<String,T>	getBeansOfType(Class<T> type)
<T> Map<String,T>	getBeansOfType(Class<T> type, boolean includePrototypes, boolean allowEagerInit)
Map<String,Object>	getBeansWithAnnotation(Class<? extends Annotation> annotationType)           Find all beans whose Class has the supplied Annotation type.

 

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

 

Constructor Detail

GenericBeanFactoryAccessor

public GenericBeanFactoryAccessor(ListableBeanFactory beanFactory)

Constructs a GenericBeanFactoryAccessor that wraps the supplied ListableBeanFactory.

Method Detail

getBeanFactory

public final ListableBeanFactory getBeanFactory()

Return the wrapped ListableBeanFactory.

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getBean

public <T> T getBean(String name)
          throws BeansException

Throws:

BeansException

See Also:

BeanFactory.getBean(String)

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getBean

public <T> T getBean(String name,
                     Class<T> requiredType)
          throws BeansException

Throws:

BeansException

See Also:

BeanFactory.getBean(String, Class)

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getBeansOfType

public <T> Map<String,T> getBeansOfType(Class<T> type)
                             throws BeansException

Throws:

BeansException

See Also:

ListableBeanFactory.getBeansOfType(Class)

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getBeansOfType

public <T> Map<String,T> getBeansOfType(Class<T> type,
                                        boolean includePrototypes,
                                        boolean allowEagerInit)
                             throws BeansException

Throws:

BeansException

See Also:

ListableBeanFactory.getBeansOfType(Class, boolean, boolean)

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getBeansWithAnnotation

public Map<String,Object> getBeansWithAnnotation(Class<? extends Annotation> annotationType)

Find all beans whose Class has the supplied Annotation type.

Parameters:

annotationType - the type of annotation to look for

Returns:

a Map with the matching beans, containing the bean names as keys and the corresponding bean instances as values

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