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Introduce getLazyResolutionProxyClass mechanism in AutowireCandidateResolver SPI

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See gh-28980
This commit is contained in:
Juergen Hoeller
2022-08-22 16:24:37 +02:00
parent 8a51e31069
commit 4eb84a0537
3 changed files with 38 additions and 5 deletions
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19
spring-context/src/main/java/org/springframework/context/annotation/ContextAnnotationAutowireCandidateResolver.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -54,6 +54,12 @@ public class ContextAnnotationAutowireCandidateResolver extends QualifierAnnotat
return (isLazy(descriptor) ? buildLazyResolutionProxy(descriptor, beanName) : null);
}
@Override
@Nullable
public Class<?> getLazyResolutionProxyClass(DependencyDescriptor descriptor, @Nullable String beanName) {
return (isLazy(descriptor) ? (Class<?>) buildLazyResolutionProxy(descriptor, beanName, true) : null);
}
protected boolean isLazy(DependencyDescriptor descriptor) {
for (Annotation ann : descriptor.getAnnotations()) {
Lazy lazy = AnnotationUtils.getAnnotation(ann, Lazy.class);
@@ -74,7 +80,13 @@ public class ContextAnnotationAutowireCandidateResolver extends QualifierAnnotat
return false;
}
protected Object buildLazyResolutionProxy(final DependencyDescriptor descriptor, final @Nullable String beanName) {
protected Object buildLazyResolutionProxy(DependencyDescriptor descriptor, @Nullable String beanName) {
return buildLazyResolutionProxy(descriptor, beanName, false);
}
private Object buildLazyResolutionProxy(
final DependencyDescriptor descriptor, final @Nullable String beanName, boolean classOnly) {
BeanFactory beanFactory = getBeanFactory();
Assert.state(beanFactory instanceof DefaultListableBeanFactory,
"BeanFactory needs to be a DefaultListableBeanFactory");
@@ -127,7 +139,8 @@ public class ContextAnnotationAutowireCandidateResolver extends QualifierAnnotat
if (dependencyType.isInterface()) {
pf.addInterface(dependencyType);
}
return pf.getProxy(dlbf.getBeanClassLoader());
ClassLoader classLoader = dlbf.getBeanClassLoader();
return (classOnly ? pf.getProxyClass(classLoader) : pf.getProxy(classLoader));
}
}