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Polishing

This commit is contained in:
Juergen Hoeller 2016-08-11 23:45:50 +02:00
parent e23ac031ff
commit a4a71a8904
2 changed files with 13 additions and 10 deletions
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20
spring-beans/src/main/java/org/springframework/beans/factory/config/AutowireCapableBeanFactory.java
View File

@ -318,8 +318,8 @@ public interface AutowireCapableBeanFactory extends BeanFactory {
* @param requiredType type the bean must match; can be an interface or superclass.
* {@code null} is disallowed.
* @return the bean name plus bean instance
* @throws NoSuchBeanDefinitionException if no bean of the given type was found
* @throws NoUniqueBeanDefinitionException if more than one bean of the given type was found
* @throws NoSuchBeanDefinitionException if no matching bean was found
* @throws NoUniqueBeanDefinitionException if more than one matching bean was found
* @throws BeansException if the bean could not be created
* @since 4.3.3
* @see #getBean(Class)
@ -328,30 +328,30 @@ public interface AutowireCapableBeanFactory extends BeanFactory {
/**
* Resolve the specified dependency against the beans defined in this factory.
* @param descriptor the descriptor for the dependency
* @param requestingBeanName the name of the bean which declares the present dependency
* @param descriptor the descriptor for the dependency (field/method/constructor)
* @param requestingBeanName the name of the bean which declares the given dependency
* @return the resolved object, or {@code null} if none found
* @throws NoSuchBeanDefinitionException if no matching bean was found
* @throws NoUniqueBeanDefinitionException if more than one matching bean was found
* @throws BeansException if dependency resolution failed for any other reason
* @see #resolveDependency(DependencyDescriptor, String, Set, TypeConverter)
* @since 2.5
* @see #resolveDependency(DependencyDescriptor, String, Set, TypeConverter)
*/
Object resolveDependency(DependencyDescriptor descriptor, String requestingBeanName) throws BeansException;
/**
* Resolve the specified dependency against the beans defined in this factory.
* @param descriptor the descriptor for the dependency
* @param requestingBeanName the name of the bean which declares the present dependency
* @param autowiredBeanNames a Set that all names of autowired beans (used for resolving
* the present dependency) are supposed to be added to
* @param descriptor the descriptor for the dependency (field/method/constructor)
* @param requestingBeanName the name of the bean which declares the given dependency
* @param autowiredBeanNames a Set that all names of autowired beans (used for
* resolving the given dependency) are supposed to be added to
* @param typeConverter the TypeConverter to use for populating arrays and collections
* @return the resolved object, or {@code null} if none found
* @throws NoSuchBeanDefinitionException if no matching bean was found
* @throws NoUniqueBeanDefinitionException if more than one matching bean was found
* @throws BeansException if dependency resolution failed for any other reason
* @see DependencyDescriptor
* @since 2.5
* @see DependencyDescriptor
*/
Object resolveDependency(DependencyDescriptor descriptor, String requestingBeanName,
Set<String> autowiredBeanNames, TypeConverter typeConverter) throws BeansException;

3
spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java
View File

@ -989,6 +989,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
private <T> NamedBeanHolder<T> resolveNamedBean(Class<T> requiredType, Object... args) throws BeansException {
Assert.notNull(requiredType, "Required type must not be null");
String[] beanNames = getBeanNamesForType(requiredType);
if (beanNames.length > 1) {
ArrayList<String> autowireCandidates = new ArrayList<String>();
for (String beanName : beanNames) {
@ -1000,6 +1001,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
beanNames = autowireCandidates.toArray(new String[autowireCandidates.size()]);
}
}
if (beanNames.length == 1) {
String beanName = beanNames[0];
return new NamedBeanHolder<T>(beanName, getBean(beanName, requiredType, args));
@ -1019,6 +1021,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
}
throw new NoUniqueBeanDefinitionException(requiredType, candidates.keySet());
}
return null;
}