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ResolvableType-based matching consistently respects generic factory method return type (even for pre-initialized raw singleton instance) 

Issue: SPR-17524
This commit is contained in:
Juergen Hoeller 2018-11-25 21:27:19 +01:00
parent c2e545776d
commit ebbe14c363
2 changed files with 179 additions and 6 deletions
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15
spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java
View File

@ -510,12 +510,21 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
// Generics potentially only match on the target class, not on the proxy...
RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
Class<?> targetType = mbd.getTargetType();
if (targetType != null && targetType != ClassUtils.getUserClass(beanInstance) &&
typeToMatch.isAssignableFrom(targetType)) {
if (targetType != null && targetType != ClassUtils.getUserClass(beanInstance)) {
// Check raw class match as well, making sure it's exposed on the proxy.
Class<?> classToMatch = typeToMatch.resolve();
return (classToMatch == null || classToMatch.isInstance(beanInstance));
if (classToMatch != null && !classToMatch.isInstance(beanInstance)) {
return false;
}
if (typeToMatch.isAssignableFrom(targetType)) {
return true;
}
}
ResolvableType resolvableType = mbd.targetType;
if (resolvableType == null) {
resolvableType = mbd.factoryMethodReturnType;
}
return (resolvableType != null && typeToMatch.isAssignableFrom(resolvableType));
}
}
return false;

170
spring-context/src/test/java/org/springframework/context/annotation/ConfigurationClassPostProcessorTests.java
View File

@ -571,6 +571,10 @@ public class ConfigurationClassPostProcessorTests {
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
}
@Test
@ -585,6 +589,78 @@ public class ConfigurationClassPostProcessorTests {
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
}
@Test
public void genericsBasedInjectionWithEarlyGenericsMatchingAndRawFactoryMethod() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawFactoryMethodRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
String[] beanNames = beanFactory.getBeanNamesForType(Repository.class);
assertTrue(ObjectUtils.containsElement(beanNames, "stringRepo"));
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(0, beanNames.length);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(0, beanNames.length);
}
@Test
public void genericsBasedInjectionWithLateGenericsMatchingAndRawFactoryMethod() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawFactoryMethodRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
beanFactory.preInstantiateSingletons();
String[] beanNames = beanFactory.getBeanNamesForType(Repository.class);
assertTrue(ObjectUtils.containsElement(beanNames, "stringRepo"));
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
}
@Test
public void genericsBasedInjectionWithEarlyGenericsMatchingAndRawInstance() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawInstanceRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
String[] beanNames = beanFactory.getBeanNamesForType(Repository.class);
assertTrue(ObjectUtils.containsElement(beanNames, "stringRepo"));
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
}
@Test
public void genericsBasedInjectionWithLateGenericsMatchingAndRawInstance() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawInstanceRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
beanFactory.preInstantiateSingletons();
String[] beanNames = beanFactory.getBeanNamesForType(Repository.class);
assertTrue(ObjectUtils.containsElement(beanNames, "stringRepo"));
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
}
@Test
@ -604,6 +680,10 @@ public class ConfigurationClassPostProcessorTests {
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isCglibProxy(beanFactory.getBean("stringRepo")));
}
@ -625,12 +705,16 @@ public class ConfigurationClassPostProcessorTests {
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isCglibProxy(beanFactory.getBean("stringRepo")));
}
@Test
public void genericsBasedInjectionWithLateGenericsMatchingOnCglibProxyAndRawFactoryMethod() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawRepositoryConfiguration.class));
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawFactoryMethodRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
DefaultAdvisorAutoProxyCreator autoProxyCreator = new DefaultAdvisorAutoProxyCreator();
autoProxyCreator.setProxyTargetClass(true);
@ -646,6 +730,35 @@ public class ConfigurationClassPostProcessorTests {
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isCglibProxy(beanFactory.getBean("stringRepo")));
}
@Test
public void genericsBasedInjectionWithLateGenericsMatchingOnCglibProxyAndRawInstance() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawInstanceRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
DefaultAdvisorAutoProxyCreator autoProxyCreator = new DefaultAdvisorAutoProxyCreator();
autoProxyCreator.setProxyTargetClass(true);
autoProxyCreator.setBeanFactory(beanFactory);
beanFactory.addBeanPostProcessor(autoProxyCreator);
beanFactory.registerSingleton("traceInterceptor", new DefaultPointcutAdvisor(new SimpleTraceInterceptor()));
beanFactory.preInstantiateSingletons();
String[] beanNames = beanFactory.getBeanNamesForType(Repository.class);
assertTrue(ObjectUtils.containsElement(beanNames, "stringRepo"));
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(Repository.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isCglibProxy(beanFactory.getBean("stringRepo")));
}
@ -665,6 +778,10 @@ public class ConfigurationClassPostProcessorTests {
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(RepositoryInterface.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isJdkDynamicProxy(beanFactory.getBean("stringRepo")));
}
@ -685,12 +802,16 @@ public class ConfigurationClassPostProcessorTests {
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(RepositoryInterface.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isJdkDynamicProxy(beanFactory.getBean("stringRepo")));
}
@Test
public void genericsBasedInjectionWithLateGenericsMatchingOnJdkProxyAndRawFactoryMethod() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawRepositoryConfiguration.class));
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawFactoryMethodRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
DefaultAdvisorAutoProxyCreator autoProxyCreator = new DefaultAdvisorAutoProxyCreator();
autoProxyCreator.setBeanFactory(beanFactory);
@ -705,6 +826,34 @@ public class ConfigurationClassPostProcessorTests {
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(RepositoryInterface.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isJdkDynamicProxy(beanFactory.getBean("stringRepo")));
}
@Test
public void genericsBasedInjectionWithLateGenericsMatchingOnJdkProxyAndRawInstance() {
beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RawInstanceRepositoryConfiguration.class));
new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
DefaultAdvisorAutoProxyCreator autoProxyCreator = new DefaultAdvisorAutoProxyCreator();
autoProxyCreator.setBeanFactory(beanFactory);
beanFactory.addBeanPostProcessor(autoProxyCreator);
beanFactory.registerSingleton("traceInterceptor", new DefaultPointcutAdvisor(new SimpleTraceInterceptor()));
beanFactory.preInstantiateSingletons();
String[] beanNames = beanFactory.getBeanNamesForType(RepositoryInterface.class);
assertTrue(ObjectUtils.containsElement(beanNames, "stringRepo"));
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(RepositoryInterface.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
beanNames = beanFactory.getBeanNamesForType(ResolvableType.forClassWithGenerics(RepositoryInterface.class, String.class));
assertEquals(1, beanNames.length);
assertEquals("stringRepo", beanNames[0]);
assertTrue(AopUtils.isJdkDynamicProxy(beanFactory.getBean("stringRepo")));
}
@ -1125,7 +1274,7 @@ public class ConfigurationClassPostProcessorTests {
}
@Configuration
public static class RawRepositoryConfiguration {
public static class RawFactoryMethodRepositoryConfiguration {
@Bean
public Repository stringRepo() {
@ -1138,6 +1287,21 @@ public class ConfigurationClassPostProcessorTests {
}
}
@Configuration
public static class RawInstanceRepositoryConfiguration {
@SuppressWarnings({"rawtypes", "unchecked"})
@Bean
public Repository<String> stringRepo() {
return new Repository() {
@Override
public String toString() {
return "Repository<String>";
}
};
}
}
@Configuration
public static class ScopedRepositoryConfiguration {