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Shared empty InjectionMetadata/LifecycleMetadata instance

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Closes gh-22570
This commit is contained in:
Juergen Hoeller
2019-03-12 22:45:24 +01:00
parent 62c923711d
commit c0ddaae5c0
5 changed files with 72 additions and 10 deletions
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5
spring-orm/src/main/java/org/springframework/orm/jpa/support/PersistenceAnnotationBeanPostProcessor.java
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@@ -24,7 +24,6 @@ import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
@@ -416,7 +415,7 @@ public class PersistenceAnnotationBeanPostProcessor
private InjectionMetadata buildPersistenceMetadata(final Class<?> clazz) {
if (!AnnotationUtils.isCandidateClass(clazz, Arrays.asList(PersistenceContext.class, PersistenceUnit.class))) {
return new InjectionMetadata(clazz, Collections.emptyList());
return InjectionMetadata.EMPTY;
}
List<InjectionMetadata.InjectedElement> elements = new ArrayList<>();
@@ -459,7 +458,7 @@ public class PersistenceAnnotationBeanPostProcessor
}
while (targetClass != null && targetClass != Object.class);
return new InjectionMetadata(clazz, elements);
return InjectionMetadata.forElements(elements, clazz);
}
/**