Use AnnotationUtils.findAnnotation(…) instead of AnnotatedElement.isAnnotationPresent(…).

Enable use of meta annotations by leveraging MergedAnnotations.

Closes #2500

src/main/java/org/springframework/data/mapping/PreferredConstructor.java

@@ -23,8 +23,10 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.annotation.AnnotationUtils;
 import org.springframework.core.annotation.MergedAnnotations;
 import org.springframework.data.annotation.PersistenceConstructor;
+import org.springframework.data.convert.WritingConverter;
 import org.springframework.data.util.Lazy;
 import org.springframework.data.util.TypeInformation;
 import org.springframework.lang.Nullable;
@@ -42,6 +44,7 @@ import org.springframework.util.StringUtils;
  * @author Christoph Strobl
  * @author Mark Paluch
  * @author Myeonghyeon Lee
+ * @author Xeno Amess
  */
 public class PreferredConstructor<T, P extends PersistentProperty<P>> {
 
@@ -110,7 +113,7 @@ public class PreferredConstructor<T, P extends PersistentProperty<P>> {
 	 * @return
 	 */
 	public boolean isExplicitlyAnnotated() {
-		return constructor.isAnnotationPresent(PersistenceConstructor.class);
+		return AnnotationUtils.findAnnotation(constructor, PersistenceConstructor.class) != null;
 	}
 
 	/**

src/main/java/org/springframework/data/mapping/model/PreferredConstructorDiscoverer.java

@@ -26,8 +26,12 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+import javax.inject.Qualifier;
+
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.DefaultParameterNameDiscoverer;
 import org.springframework.core.ParameterNameDiscoverer;
+import org.springframework.core.annotation.AnnotationUtils;
 import org.springframework.data.annotation.PersistenceConstructor;
 import org.springframework.data.mapping.PersistentEntity;
 import org.springframework.data.mapping.PersistentProperty;
@@ -46,6 +50,7 @@ import org.springframework.util.Assert;
  * @author Christoph Strobl
  * @author Roman Rodov
  * @author Mark Paluch
+ * @author Xeno Amess
  */
 public interface PreferredConstructorDiscoverer<T, P extends PersistentProperty<P>> {
 
@@ -115,7 +120,7 @@ public interface PreferredConstructorDiscoverer<T, P extends PersistentProperty<
 						continue;
 					}
 
-					if (candidate.isAnnotationPresent(PersistenceConstructor.class)) {
+					if (AnnotationUtils.findAnnotation(candidate, PersistenceConstructor.class) != null) {
 						return buildPreferredConstructor(candidate, type, entity);
 					}
 
@@ -153,7 +158,7 @@ public interface PreferredConstructorDiscoverer<T, P extends PersistentProperty<
 
 				return Arrays.stream(rawOwningType.getDeclaredConstructors()) //
 						.filter(it -> !it.isSynthetic()) // Synthetic constructors should not be considered
-						.filter(it -> it.isAnnotationPresent(PersistenceConstructor.class)) // Explicitly defined constructor trumps
+						.filter(it -> AnnotationUtils.findAnnotation(it, PersistenceConstructor.class) != null) // Explicitly defined constructor trumps
 																																								// all
 						.map(it -> buildPreferredConstructor(it, type, entity)) //
 						.findFirst() //