ObjectProvider stream consistently includes beans from parent context

Issue: SPR-17356

Author: jhoeller

spring-beans/src/main/java/org/springframework/beans/factory/BeanFactory.java

@@ -225,12 +225,12 @@ public interface BeanFactory {
 	 * Note that collection types are not supported here, in contrast to reflective
 	 * injection points. For programmatically retrieving a list of beans matching a
 	 * specific type, specify the actual bean type as an argument here and subsequently
-	 * use {@link ObjectProvider#toList()} or its lazy streaming/iteration options.
+	 * use {@link ObjectProvider#orderedStream()} or its lazy streaming/iteration options.
 	 * @return a corresponding provider handle
 	 * @since 5.1
-	 * @see ObjectProvider#stream()
 	 * @see ObjectProvider#iterator()
-	 * @see ObjectProvider#toList()
+	 * @see ObjectProvider#stream()
+	 * @see ObjectProvider#orderedStream()
 	 */
 	<T> ObjectProvider<T> getBeanProvider(ResolvableType requiredType);
 

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

@@ -382,13 +382,13 @@ public T getIfUnique() throws BeansException {
 			}
 			@Override
 			public Stream<T> stream() {
-				return Arrays.stream(getBeanNamesForType(requiredType))
+				return Arrays.stream(getBeanNamesForTypedStream(requiredType))
 						.map(name -> (T) getBean(name))
 						.filter(bean -> !(bean instanceof NullBean));
 			}
 			@Override
 			public Stream<T> orderedStream() {
-				String[] beanNames = getBeanNamesForType(requiredType);
+				String[] beanNames = getBeanNamesForTypedStream(requiredType);
 				Map<String, T> matchingBeans = new LinkedHashMap<>(beanNames.length);
 				for (String beanName : beanNames) {
 					Object beanInstance = getBean(beanName);
@@ -424,6 +424,10 @@ else if (parent != null) {
 		return null;
 	}
 
+	private String[] getBeanNamesForTypedStream(ResolvableType requiredType) {
+		return BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this, requiredType);
+	}
+
 
 	//---------------------------------------------------------------------
 	// Implementation of ListableBeanFactory interface