two small improvements to HibernateProcessor

tooling/metamodel-generator/src/main/java/org/hibernate/processor/ClassWriter.java

@@ -80,6 +80,8 @@ private static StringBuffer generateBody(Metamodel entity, Context context) {
 		final StringWriter sw = new StringWriter();
 		try ( PrintWriter pw = new PrintWriter(sw) ) {
 
+			pw.println( entity.javadoc() );
+
 			if ( context.addDependentAnnotation() && entity.isInjectable() ) {
 				pw.println( writeScopeAnnotation( entity ) );
 			}

tooling/metamodel-generator/src/main/java/org/hibernate/processor/annotation/AnnotationMeta.java

@@ -187,18 +187,20 @@ private void addAuxiliaryMembersForAnnotation(String annotationName, String pref
 	}
 
 	private void addAuxiliaryMembersForMirror(AnnotationMirror mirror, String prefix) {
-		mirror.getElementValues().forEach((key, value) -> {
-			if ( key.getSimpleName().contentEquals("name") ) {
-				final String name = value.getValue().toString();
-				if ( !name.isEmpty() ) {
-					putMember( prefix + name, auxiliaryMember( mirror, prefix, name ) );
+		if ( !isJakartaDataStyle() ) {
+			mirror.getElementValues().forEach((key, value) -> {
+				if ( key.getSimpleName().contentEquals("name") ) {
+					final String name = value.getValue().toString();
+					if ( !name.isEmpty() ) {
+						putMember( prefix + name, auxiliaryMember( mirror, prefix, name ) );
+					}
 				}
-			}
-		});
+			});
+		}
 	}
 
 	private NameMetaAttribute auxiliaryMember(AnnotationMirror mirror, String prefix, String name) {
-		if ( !isJakartaDataStyle() && "QUERY_".equals(prefix) ) {
+		if ( "QUERY_".equals(prefix) ) {
 			final AnnotationValue resultClass = getAnnotationValue( mirror, "resultClass" );
 			// if there is no explicit result class, we will infer it later by
 			// type checking the query (this is allowed but not required by JPA)
@@ -207,7 +209,7 @@ private NameMetaAttribute auxiliaryMember(AnnotationMirror mirror, String prefix
 					resultClass == null ? JAVA_OBJECT : resultClass.getValue().toString(),
 					"jakarta.persistence.TypedQueryReference", null );
 		}
-		else if ( !isJakartaDataStyle() && "GRAPH_".equals(prefix) ) {
+		else if ( "GRAPH_".equals(prefix) ) {
 			return new TypedMetaAttribute( this, name, prefix, getQualifiedName(),
 					"jakarta.persistence.EntityGraph", null );
 		}

tooling/metamodel-generator/src/main/java/org/hibernate/processor/annotation/AnnotationMetaEntity.java

@@ -3107,4 +3107,20 @@ public List<AnnotationMirror> inheritedAnnotations() {
 			return emptyList();
 		}
 	}
+
+	@Override
+	public String javadoc() {
+		if ( jakartaDataRepository ) {
+			return "/**\n * Implements Jakarta Data repository {@link " + qualifiedName + "}\n **/";
+		}
+		else if ( repository ) {
+			return "/**\n * Implements repository {@link " + qualifiedName + "}\n **/";
+		}
+		else if ( jakartaDataStaticModel ) {
+			return "/**\n * Jakarta Data static metamodel for {@link " + qualifiedName + "}\n **/";
+		}
+		else {
+			return "/**\n * Static metamodel for {@link " + qualifiedName + "}\n **/";
+		}
+	}
 }

tooling/metamodel-generator/src/main/java/org/hibernate/processor/annotation/AnnotationMetaPackage.java

@@ -170,4 +170,9 @@ public boolean isJakartaDataStyle() {
 	public List<AnnotationMirror> inheritedAnnotations() {
 		return emptyList();
 	}
+
+	@Override
+	public String javadoc() {
+		return "/**\n * Static metamodel package {@link " + element.getQualifiedName() + "}\n **/";
+	}
 }

tooling/metamodel-generator/src/main/java/org/hibernate/processor/annotation/NameMetaAttribute.java

@@ -40,8 +40,11 @@ public String getAttributeDeclarationString() {
 
 	@Override
 	public String getAttributeNameDeclarationString() {
-		return new StringBuilder()
-				.append("public static final ")
+		final StringBuilder declaration = new StringBuilder();
+		if ( !annotationMetaEntity.isJakartaDataStyle() ) {
+			declaration.append( "public static final " );
+		}
+		return declaration
 				.append(annotationMetaEntity.importType(String.class.getName()))
 				.append(' ')
 				.append(prefix)

tooling/metamodel-generator/src/main/java/org/hibernate/processor/model/Metamodel.java

@@ -58,4 +58,6 @@ public interface Metamodel extends ImportContext {
 	boolean isJakartaDataStyle();
 
 	List<AnnotationMirror> inheritedAnnotations();
+
+	String javadoc();
 }

tooling/metamodel-generator/src/main/java/org/hibernate/processor/xml/XmlMetaEntity.java

@@ -653,4 +653,9 @@ public boolean isJakartaDataStyle() {
 	public List<AnnotationMirror> inheritedAnnotations() {
 		return emptyList();
 	}
+
+	@Override
+	public String javadoc() {
+		return "/**\n * Static metamodel for {@link " + clazzName + "}\n **/";
+	}
 }