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AnnotationTypeMappings does not filter repeatable annotations #25483

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AnnotationTypeMappings does not filter repeatable annotations #25483

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9e58c26
code optimized
yilianhuaixiao Jul 28, 2020
1a17007
fix
yilianhuaixiao Jul 28, 2020
0796bff
add #25483 test case
yilianhuaixiao Jul 29, 2020
ed09931
polishing
yilianhuaixiao Jul 30, 2020
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2 changes: 1 addition & 1 deletion spring-core/src/main/java/org/springframework/core/annotation/AnnotationTypeMappings.java
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Expand Up @@ -91,7 +91,7 @@ private void addMetaAnnotationsToQueue(Deque<AnnotationTypeMapping> queue, Annot
.findRepeatedAnnotations(metaAnnotation);
if (repeatedAnnotations != null) {
for (Annotation repeatedAnnotation : repeatedAnnotations) {
if (!isMappable(source, metaAnnotation)) {
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I'm wondering if that was perhaps a copy-and-paste error and if it should rather be:

if (!isMappable(source, repeatedAnnotation)) {
    continue;
}

@philwebb, what are your thoughts on the matter?

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@philwebb, I'm assuming my above assumption is correct. (I know: a lot of assuming).

In light of that, we'll go forward with the change in this PR.

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I think it was a typo. A little concerning that no test covered it.

if (!isMappable(source, repeatedAnnotation)) {
continue;
}
addIfPossible(queue, source, repeatedAnnotation);
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8 changes: 8 additions & 0 deletions ...g-core/src/test/java/org/springframework/core/annotation/AnnotationTypeMappingsTests.java
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Expand Up @@ -463,6 +463,14 @@ void isEquivalentToDefaultValueWhenNotMatchingReturnsFalse() {
assertThat(mapping.isEquivalentToDefaultValue(0, OutputStream.class, ReflectionUtils::invokeMethod)).isFalse();
}

@Test
void forAnnotationTypeWhenRepeatableMetaAnnotationIsFiltered() {
AnnotationTypeMappings mappings = AnnotationTypeMappings.forAnnotationType(WithRepeatedMetaAnnotations.class,
Repeating.class.getName()::equals);
assertThat(getAll(mappings)).flatExtracting(AnnotationTypeMapping::getAnnotationType)
.containsExactly(WithRepeatedMetaAnnotations.class);
}

private Method[] resolveMirrorSets(AnnotationTypeMapping mapping, Class<?> element,
Class<? extends Annotation> annotationClass) {
Annotation annotation = element.getAnnotation(annotationClass);
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