Injected Map/Collection does not include null bean entries

Issue: SPR-17034
This commit is contained in:
Juergen Hoeller 2018-07-16 13:04:38 +02:00
parent faef363e85
commit 77d72f1e01
2 changed files with 11 additions and 6 deletions

View File

@ -1318,7 +1318,13 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
private void addCandidateEntry(Map<String, Object> candidates, String candidateName, private void addCandidateEntry(Map<String, Object> candidates, String candidateName,
DependencyDescriptor descriptor, Class<?> requiredType) { DependencyDescriptor descriptor, Class<?> requiredType) {
if (descriptor instanceof MultiElementDescriptor || containsSingleton(candidateName)) { if (descriptor instanceof MultiElementDescriptor) {
Object beanInstance = descriptor.resolveCandidate(candidateName, requiredType, this);
if (!(beanInstance instanceof NullBean)) {
candidates.put(candidateName, beanInstance);
}
}
else if (containsSingleton(candidateName)) {
Object beanInstance = descriptor.resolveCandidate(candidateName, requiredType, this); Object beanInstance = descriptor.resolveCandidate(candidateName, requiredType, this);
candidates.put(candidateName, (beanInstance instanceof NullBean ? null : beanInstance)); candidates.put(candidateName, (beanInstance instanceof NullBean ? null : beanInstance));
} }

View File

@ -728,9 +728,8 @@ public class AutowiredAnnotationBeanPostProcessorTests {
ConstructorsCollectionResourceInjectionBean bean = (ConstructorsCollectionResourceInjectionBean) bf.getBean("annotatedBean"); ConstructorsCollectionResourceInjectionBean bean = (ConstructorsCollectionResourceInjectionBean) bf.getBean("annotatedBean");
assertNull(bean.getTestBean3()); assertNull(bean.getTestBean3());
assertSame(tb, bean.getTestBean4()); assertSame(tb, bean.getTestBean4());
assertEquals(2, bean.getNestedTestBeans().size()); assertEquals(1, bean.getNestedTestBeans().size());
assertNull(bean.getNestedTestBeans().get(0)); assertSame(ntb2, bean.getNestedTestBeans().get(0));
assertSame(ntb2, bean.getNestedTestBeans().get(1));
Map<String, NestedTestBean> map = bf.getBeansOfType(NestedTestBean.class); Map<String, NestedTestBean> map = bf.getBeansOfType(NestedTestBean.class);
assertNull(map.get("nestedTestBean1")); assertNull(map.get("nestedTestBean1"));
@ -924,12 +923,12 @@ public class AutowiredAnnotationBeanPostProcessorTests {
bf.registerBeanDefinition("testBean2", tb2); bf.registerBeanDefinition("testBean2", tb2);
MapConstructorInjectionBean bean = (MapConstructorInjectionBean) bf.getBean("annotatedBean"); MapConstructorInjectionBean bean = (MapConstructorInjectionBean) bf.getBean("annotatedBean");
assertEquals(2, bean.getTestBeanMap().size()); assertEquals(1, bean.getTestBeanMap().size());
assertSame(tb1, bean.getTestBeanMap().get("testBean1")); assertSame(tb1, bean.getTestBeanMap().get("testBean1"));
assertNull(bean.getTestBeanMap().get("testBean2")); assertNull(bean.getTestBeanMap().get("testBean2"));
bean = (MapConstructorInjectionBean) bf.getBean("annotatedBean"); bean = (MapConstructorInjectionBean) bf.getBean("annotatedBean");
assertEquals(2, bean.getTestBeanMap().size()); assertEquals(1, bean.getTestBeanMap().size());
assertSame(tb1, bean.getTestBeanMap().get("testBean1")); assertSame(tb1, bean.getTestBeanMap().get("testBean1"));
assertNull(bean.getTestBeanMap().get("testBean2")); assertNull(bean.getTestBeanMap().get("testBean2"));
} }