HHH-17860 query-based @Delete

tooling/metamodel-generator/src/jakartaData/java/org/hibernate/processor/test/data/BookAuthorRepository.java

@@ -30,6 +30,12 @@ public interface BookAuthorRepository {
 
 	StatelessSession session();
 
+	@Delete
+	int deleteByIdIn(String[] isbn);
+
+	@Delete
+	void deleteById(String isbn);
+
 	@Insert
 	void insertBooks0(Book[] books);
 

tooling/metamodel-generator/src/jakartaData/java/org/hibernate/processor/test/data/eg/Bookshop.java

@@ -0,0 +1,13 @@
+package org.hibernate.processor.test.data.eg;
+
+import jakarta.data.repository.CrudRepository;
+import jakarta.data.repository.Find;
+import jakarta.data.repository.Repository;
+
+import java.util.List;
+
+@Repository
+public interface Bookshop extends CrudRepository<Book,String> {
+    @Find
+    List<Book> byPublisher(String publisher_name);
+}

tooling/metamodel-generator/src/jakartaData/java/org/hibernate/processor/test/data/eg/Library.java

@@ -1,5 +1,8 @@
 package org.hibernate.processor.test.data.eg;
 
+import jakarta.data.Limit;
+import jakarta.data.Order;
+import jakarta.data.Sort;
 import jakarta.data.page.CursoredPage;
 import jakarta.data.page.PageRequest;
 import jakarta.data.repository.By;
@@ -25,18 +28,22 @@ public interface Library {
 	List<Book> books(@By("isbn") List<String> isbns);
 
 	@Find
-	Book books(String title, LocalDate publicationDate);
+	Book book(String title, LocalDate publicationDate);
+
+	@Find
+	List<Book> publications(Type type, Sort<Book> sort);
 
 	@Find
 	@OrderBy("title")
 	List<Book> booksByPublisher(String publisher_name);
 
 	@Query("where title like :titlePattern")
+	@OrderBy("title")
 	List<Book> booksByTitle(String titlePattern);
 
 	// not required by Jakarta Data
 	record BookWithAuthor(Book book, Author author) {}
-	@Query("select b, a from Book b join b.authors a")
+	@Query("select b, a from Book b join b.authors a order by b.isbn, a.ssn")
 	List<BookWithAuthor> booksWithAuthors();
 
 	@Insert
@@ -69,14 +76,20 @@ public interface Library {
 	@Update
 	void update(Author author);
 
+	@Save
+	void save(Publisher publisher);
+
+	@Delete
+	void delete(Publisher publisher);
+
 	@Find
 	@OrderBy("isbn")
 	CursoredPage<Book> allBooks(PageRequest<Book> pageRequest);
 
 	@Find
 	@OrderBy("name")
-	@OrderBy("address.city") //not working currently
+	@OrderBy("address.city")
-	List<Author> authors();
+	List<Author> allAuthors(Order<Author> order, Limit limit);
 
 	@Find
 	List<Author> authorsByCity(@By("address.city") String city);

tooling/metamodel-generator/src/jakartaData/java/org/hibernate/processor/test/data/superdao/generic/SuperRepo.java

@@ -29,8 +29,8 @@ public interface SuperRepo<T,K> {
     @Find
     Page<T> findAll(PageRequest<T> pageRequest);
 
-    @Delete
+//    @Delete
-    void deleteById(@By("#id") K id);
+//    void deleteById(@By("#id") K id);
 
     @Delete
     void delete(T entity);

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

@@ -0,0 +1,198 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.processor.annotation;
+
+import java.util.List;
+import java.util.StringTokenizer;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
+
+import static org.hibernate.processor.util.TypeUtils.isPrimitive;
+
+/**
+ * @author Gavin King
+ */
+public abstract class AbstractCriteriaMethod extends AbstractFinderMethod {
+
+	private final List<Boolean> multivalued;
+	private final List<Boolean> paramPatterns;
+
+	public AbstractCriteriaMethod(
+			AnnotationMetaEntity annotationMetaEntity,
+			String methodName, String entity,
+			boolean belongsToDao,
+			String sessionType, String sessionName,
+			List<String> fetchProfiles,
+			List<String> paramNames,
+			List<String> paramTypes,
+			List<OrderBy> orderBys,
+			boolean addNonnullAnnotation,
+			boolean convertToDataExceptions,
+			List<Boolean> multivalued,
+			List<Boolean> paramPatterns) {
+		super(annotationMetaEntity, methodName, entity, belongsToDao, sessionType, sessionName, fetchProfiles,
+				paramNames, paramTypes, orderBys, addNonnullAnnotation, convertToDataExceptions);
+		this.multivalued = multivalued;
+		this.paramPatterns = paramPatterns;
+	}
+
+	@Override
+	public String getAttributeDeclarationString() {
+		final List<String> paramTypes = parameterTypes();
+		final StringBuilder declaration = new StringBuilder();
+		comment( declaration );
+		modifiers( declaration );
+		preamble( declaration, returnType(), paramTypes );
+		chainSession( declaration );
+		nullChecks( paramTypes, declaration );
+		createBuilder(declaration);
+		createCriteriaQuery( declaration );
+		where( declaration, paramTypes );
+//		orderBy( paramTypes, declaration );
+		executeQuery( declaration, paramTypes );
+		convertExceptions( declaration );
+		chainSessionEnd( false, declaration );
+		closingBrace( declaration );
+		return declaration.toString();
+	}
+
+	abstract void executeQuery(StringBuilder declaration, List<String> paramTypes);
+
+	abstract void createCriteriaQuery(StringBuilder declaration);
+
+	abstract String returnType();
+
+	@Override
+	void createQuery(StringBuilder declaration) {
+		declaration
+				.append(localSessionName())
+				.append(".createQuery(_query)\n");
+	}
+
+	private void createBuilder(StringBuilder declaration) {
+		declaration
+				.append("\tvar _builder = ")
+				.append(localSessionName())
+				.append(isUsingEntityManager()
+						? ".getEntityManagerFactory()"
+						: ".getFactory()")
+				.append(".getCriteriaBuilder();\n");
+	}
+
+	void nullChecks(List<String> paramTypes, StringBuilder declaration) {
+		for ( int i = 0; i< paramNames.size(); i++ ) {
+			final String paramName = paramNames.get(i);
+			final String paramType = paramTypes.get(i);
+			if ( !isNullable(i) && !isPrimitive(paramType) ) {
+				nullCheck( declaration, paramName );
+			}
+		}
+	}
+
+	private static void nullCheck(StringBuilder declaration, String paramName) {
+		declaration
+				.append("\tif (")
+				.append(paramName.replace('.', '$'))
+				.append(" == null) throw new IllegalArgumentException(\"Null ")
+				.append(paramName)
+				.append("\");\n");
+	}
+
+	void where(StringBuilder declaration, List<String> paramTypes) {
+		declaration
+				.append("\t_query.where(");
+		boolean first = true;
+		for ( int i = 0; i < paramNames.size(); i ++ ) {
+			final String paramName = paramNames.get(i);
+			final String paramType = paramTypes.get(i);
+			if ( !isSpecialParam(paramType) ) {
+				if ( first ) {
+					first = false;
+				}
+				else {
+					declaration
+							.append(", ");
+				}
+				condition(declaration, i, paramName, paramType );
+			}
+		}
+		declaration
+				.append("\n\t);");
+	}
+
+	private void condition(StringBuilder declaration, int i, String paramName, String paramType) {
+		declaration
+				.append("\n\t\t\t");
+		final String parameterName = paramName.replace('.', '$');
+		if ( isNullable(i) && !isPrimitive(paramType) ) {
+			declaration
+					.append(parameterName)
+					.append("==null")
+					.append("\n\t\t\t\t? ")
+					.append("_entity");
+			path( declaration, paramName );
+			declaration
+					.append(".isNull()")
+					.append("\n\t\t\t\t: ");
+		}
+		if ( multivalued.get(i) ) {
+			declaration
+					.append("_entity");
+			path( declaration, paramName );
+			declaration
+					.append(".in(");
+			if ( paramType.endsWith("[]") ) {
+				declaration
+						.append("(Object[]) ")
+						//TODO: only safe if we are binding literals as parameters!!!
+						.append(parameterName);
+
+			}
+			else {
+				declaration
+						.append(annotationMetaEntity.staticImport(StreamSupport.class.getName(), "stream"))
+						.append('(')
+						//TODO: only safe if we are binding literals as parameters!!!
+						.append(parameterName)
+						.append(".spliterator(), false).collect(") // ugh, very ugly!
+						.append(annotationMetaEntity.staticImport(Collectors.class.getName(), "toList"))
+						.append("())");
+			}
+			declaration
+					.append(")");
+		}
+		else {
+			//TODO: change to use Expression.equalTo() in JPA 3.2
+			declaration
+					.append("_builder.")
+					.append(paramPatterns.get(i) ? "like" : "equal")
+					.append("(_entity");
+			path( declaration, paramName );
+			declaration
+					.append(", ")
+					//TODO: only safe if we are binding literals as parameters!!!
+					.append(parameterName)
+					.append(')');
+		}
+	}
+
+	private void path(StringBuilder declaration, String paramName) {
+		final StringTokenizer tokens = new StringTokenizer(paramName, ".");
+		String typeName = entity;
+		while ( typeName!= null && tokens.hasMoreTokens() ) {
+			final String memberName = tokens.nextToken();
+			declaration
+					.append(".get(")
+					.append(annotationMetaEntity.importType(typeName + '_'))
+					.append('.')
+					.append(memberName)
+					.append(')');
+			typeName = annotationMetaEntity.getMemberType(typeName, memberName);
+		}
+	}
+
+}

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

@@ -97,7 +97,7 @@ public abstract class AbstractQueryMethod implements MetaAttribute {
 		return type.endsWith("...") ? stripped + "..." : stripped;
 	}
 
-	void preamble(StringBuilder declaration, StringBuilder returnType, List<String> paramTypes) {
+	void preamble(StringBuilder declaration, String returnType, List<String> paramTypes) {
 		declaration
 				.append(returnType)
 				.append(" ")

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

@@ -149,6 +149,11 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 	
 	private final Map<String,String> memberTypes = new HashMap<>();
 
+	/**
+	 * The primary entity type for a repository
+	 */
+	private @Nullable TypeElement primaryEntity;
+
 	public AnnotationMetaEntity(
 			TypeElement element, Context context, boolean managed,
 			boolean jakartaDataStaticMetamodel) {
@@ -349,10 +354,20 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 				if ( containsAnnotation( method, HQL, SQL, JD_QUERY, FIND, JD_FIND ) ) {
 					queryMethods.add( method );
 				}
-				else if ( containsAnnotation( method, JD_INSERT, JD_UPDATE, JD_DELETE, JD_SAVE ) ) {
+				else if ( containsAnnotation( method, JD_INSERT, JD_UPDATE, JD_SAVE ) ) {
 					lifecycleMethods.add( method );
 				}
+				else if ( hasAnnotation( method, JD_DELETE) ) {
+					if ( isDeleteLifecycle(method) ) {
+						lifecycleMethods.add( method );
+					}
+					else {
+						queryMethods.add( method );
+					}
+				}
 			}
+
+			primaryEntity = primaryEntity( lifecycleMethods );
 		}
 		else {
 			determineAccessTypeForHierarchy( element, context );
@@ -393,6 +408,43 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 		initialized = true;
 	}
 
+	private @Nullable TypeElement primaryEntity(List<ExecutableElement> lifecycleMethods) {
+		for (TypeMirror typeMirror : element.getInterfaces()) {
+			final DeclaredType declaredType = (DeclaredType) typeMirror;
+			final TypeElement typeElement = (TypeElement) declaredType.asElement();
+			final Name name = typeElement.getQualifiedName();
+			if ( declaredType.getTypeArguments().size() == 2
+					&& (name.contentEquals(BASIC_REPOSITORY)
+						|| name.contentEquals(CRUD_REPOSITORY)
+						|| name.contentEquals(DATA_REPOSITORY)) ) {
+				final TypeMirror entityType = declaredType.getTypeArguments().get(0);
+				if ( entityType.getKind() == TypeKind.DECLARED ) {
+					final DeclaredType entityDeclared = (DeclaredType) entityType;
+					return (TypeElement) entityDeclared.asElement();
+				}
+			}
+		}
+		TypeElement result = null;
+		final Types types = context.getTypeUtils();
+		for ( ExecutableElement element : lifecycleMethods ) {
+			if ( element.getParameters().size()==1 ) {
+				final VariableElement param = element.getParameters().get(0);
+				final DeclaredType declaredType = entityType( parameterType(param) );
+				if ( declaredType != null ) {
+					if ( result == null ) {
+						result = (TypeElement) declaredType.asElement();
+					}
+					else {
+						if ( !types.isSameType( result.asType(), declaredType ) ) {
+							return null;
+						}
+					}
+				}
+			}
+		}
+		return result;
+	}
+
 	private void addMethods(TypeElement element, List<ExecutableElement> methodsOfClass) {
 		//TODO just use Elements.getAllMembers(element) here!
 		for ( TypeMirror typeMirror : element.getInterfaces() ) {
@@ -870,13 +922,24 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 	private void addLifecycleMethods(List<ExecutableElement> queryMethods) {
 		for ( ExecutableElement method : queryMethods) {
 			if ( method.getModifiers().contains(Modifier.ABSTRACT) ) {
-				if ( hasAnnotation( method, JD_INSERT, JD_UPDATE, JD_DELETE, JD_SAVE ) ) {
+				addLifecycleMethod( method );
-					addLifecycleMethod( method );
-				}
 			}
 		}
 	}
 
+	private boolean isDeleteLifecycle(ExecutableElement method) {
+		if ( method.getParameters().size() == 1 ) {
+			final VariableElement parameter = method.getParameters().get(0);
+			final DeclaredType declaredType = entityType( parameterType(parameter) );
+			return declaredType != null
+				&& containsAnnotation( declaredType.asElement(), ENTITY );
+
+			}
+		else {
+			return false;
+		}
+	}
+
 	private void addQueryMethods(List<ExecutableElement> queryMethods) {
 		for ( ExecutableElement method : queryMethods) {
 			final Set<Modifier> modifiers = method.getModifiers();
@@ -1018,6 +1081,9 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 		if ( hasAnnotation( method, FIND, JD_FIND ) ) {
 			addFinderMethod( method, returnType, containerType );
 		}
+		else if ( hasAnnotation( method, JD_DELETE ) ) {
+			createCriteriaDelete( method, returnType );
+		}
 	}
 
 	private void addLifecycleMethod(ExecutableElement method) {
@@ -1285,6 +1351,50 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 		);
 	}
 
+	private void createCriteriaDelete(
+			ExecutableElement method, @Nullable TypeMirror returnType) {
+		final TypeElement entity = primaryEntity;
+		if ( entity == null) {
+			context.message( method, "repository does not have a well-defined primary entity type",
+					Diagnostic.Kind.ERROR);
+		}
+		else {
+			final String methodName = method.getSimpleName().toString();
+			final List<String> paramNames = parameterNames( method, entity );
+			final List<String> paramTypes = parameterTypes( method );
+			final List<Boolean> paramPatterns = parameterPatterns( method );
+			final String[] sessionType = sessionTypeFromParameters( paramNames, paramTypes );
+			final String methodKey = methodName + paramTypes;
+			final List<Boolean> multivalued = new ArrayList<>();
+			for ( VariableElement parameter : method.getParameters() ) {
+				if ( isFinderParameterMappingToAttribute( parameter ) ) {
+					multivalued.add( validateFinderParameter( entity, parameter ) == FieldType.MULTIVALUED );
+				}
+				else {
+					multivalued.add( false );
+				}
+			}
+			putMember( methodKey,
+					new CriteriaDeleteMethod(
+							this,
+							methodName,
+							entity.getQualifiedName().toString(),
+							returnType==null ? "void" : returnType.toString(),
+							paramNames,
+							paramTypes,
+							parameterNullability(method, entity),
+							multivalued,
+							paramPatterns,
+							repository,
+							sessionType[0],
+							sessionType[1],
+							context.addNonnullAnnotation(),
+							jakartaDataRepository
+					)
+			);
+		}
+	}
+
 	private void wrongTypeArgError(String entity, VariableElement parameter, boolean pageRequest) {
 		context.message(parameter,
 				(pageRequest

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

@@ -0,0 +1,87 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.processor.annotation;
+
+import java.util.List;
+
+import static java.util.Collections.emptyList;
+
+/**
+ * @author Gavin King
+ */
+public class CriteriaDeleteMethod extends AbstractCriteriaMethod {
+
+	private final List<Boolean> paramNullability;
+	private final String returnType;
+
+	CriteriaDeleteMethod(
+			AnnotationMetaEntity annotationMetaEntity,
+			String methodName, String entity, String returnType,
+			List<String> paramNames,
+			List<String> paramTypes,
+			List<Boolean> paramNullability,
+			List<Boolean> multivalued,
+			List<Boolean> paramPatterns,
+			boolean belongsToDao,
+			String sessionType,
+			String sessionName,
+			boolean addNonnullAnnotation,
+			boolean dataRepository) {
+		super( annotationMetaEntity, methodName, entity, belongsToDao, sessionType, sessionName, emptyList(),
+				paramNames, paramTypes, emptyList(), addNonnullAnnotation, dataRepository, multivalued, paramPatterns );
+		this.paramNullability = paramNullability;
+		this.returnType = returnType;
+	}
+
+	@Override
+	public boolean isNullable(int index) {
+		return paramNullability.get(index);
+	}
+
+	@Override
+	boolean singleResult() {
+		return true;
+	}
+
+	@Override
+	String returnType() {
+		return returnType;
+	}
+
+	@Override
+	void executeQuery(StringBuilder declaration, List<String> paramTypes) {
+		tryReturn(declaration);
+		createQuery( declaration );
+		execute( declaration );
+	}
+
+	void tryReturn(StringBuilder declaration) {
+		declaration
+				.append("\n\ttry {\n\t\t");
+		if ( !"void".equals(returnType) ) {
+			declaration
+					.append("return ");
+		}
+	}
+
+	private void execute(StringBuilder declaration) {
+		declaration
+				.append("\t\t\t.executeUpdate();\n");
+	}
+
+	@Override
+	void createCriteriaQuery(StringBuilder declaration) {
+		declaration
+				.append("\tvar _query = _builder.createCriteriaDelete(")
+				.append(annotationMetaEntity.importType(entity))
+				.append(".class);\n")
+				.append("\tvar _entity = _query.from(")
+				.append(annotationMetaEntity.importType(entity))
+				.append(".class);\n");
+	}
+
+}

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

@@ -11,22 +11,16 @@ import org.hibernate.AssertionFailure;
 import org.hibernate.processor.util.Constants;
 
 import java.util.List;
-import java.util.StringTokenizer;
-import java.util.stream.Collectors;
-import java.util.stream.StreamSupport;
 
 import static org.hibernate.processor.util.Constants.LIST;
-import static org.hibernate.processor.util.TypeUtils.isPrimitive;
 
 /**
  * @author Gavin King
  */
-public class CriteriaFinderMethod extends AbstractFinderMethod {
+public class CriteriaFinderMethod extends AbstractCriteriaMethod {
 
 	private final @Nullable String containerType;
 	private final List<Boolean> paramNullability;
-	private final List<Boolean> multivalued;
-	private final List<Boolean> paramPatterns;
 
 	CriteriaFinderMethod(
 			AnnotationMetaEntity annotationMetaEntity,
@@ -44,11 +38,9 @@ public class CriteriaFinderMethod extends AbstractFinderMethod {
 			boolean addNonnullAnnotation,
 			boolean dataRepository) {
 		super( annotationMetaEntity, methodName, entity, belongsToDao, sessionType, sessionName, fetchProfiles,
-				paramNames, paramTypes, orderBys, addNonnullAnnotation, dataRepository );
+				paramNames, paramTypes, orderBys, addNonnullAnnotation, dataRepository, multivalued, paramPatterns );
 		this.containerType = containerType;
 		this.paramNullability = paramNullability;
-		this.multivalued = multivalued;
-		this.paramPatterns = paramPatterns;
 	}
 
 	@Override
@@ -62,25 +54,7 @@ public class CriteriaFinderMethod extends AbstractFinderMethod {
 	}
 
 	@Override
-	public String getAttributeDeclarationString() {
+	void executeQuery(StringBuilder declaration, List<String> paramTypes) {
-		final List<String> paramTypes = parameterTypes();
-		final StringBuilder declaration = new StringBuilder();
-		comment( declaration );
-		modifiers( declaration );
-		preamble( declaration, returnType(), paramTypes );
-		chainSession( declaration );
-		nullChecks( paramTypes, declaration );
-		createCriteriaQuery( declaration );
-		where( declaration, paramTypes );
-//		orderBy( paramTypes, declaration );
-		executeQuery( declaration, paramTypes );
-		convertExceptions( declaration );
-		chainSessionEnd( false, declaration );
-		closingBrace( declaration );
-		return declaration.toString();
-	}
-
-	private void executeQuery(StringBuilder declaration, List<String> paramTypes) {
 		declaration
 				.append('\n');
 		collectOrdering( declaration, paramTypes );
@@ -110,27 +84,15 @@ public class CriteriaFinderMethod extends AbstractFinderMethod {
 		return unwrapped;
 	}
 
-	@Override
-	void createQuery(StringBuilder declaration) {
-		declaration
-				.append(localSessionName())
-				.append(".createQuery(_query)\n");
-	}
-
 	private void execute(StringBuilder declaration, List<String> paramTypes, boolean unwrapped) {
 		final boolean mustUnwrap =
 				containerType != null && containerType.startsWith("org.hibernate");
 		executeSelect( declaration, paramTypes, containerType, unwrapped, mustUnwrap );
 	}
 
-	private void createCriteriaQuery(StringBuilder declaration) {
+	@Override
+	void createCriteriaQuery(StringBuilder declaration) {
 		declaration
-				.append("\tvar _builder = ")
-				.append(localSessionName())
-				.append(isUsingEntityManager()
-						? ".getEntityManagerFactory()"
-						: ".getFactory()")
-				.append(".getCriteriaBuilder();\n")
 				.append("\tvar _query = _builder.createQuery(")
 				.append(annotationMetaEntity.importType(entity))
 				.append(".class);\n")
@@ -139,119 +101,8 @@ public class CriteriaFinderMethod extends AbstractFinderMethod {
 				.append(".class);\n");
 	}
 
-	private void nullChecks(List<String> paramTypes, StringBuilder declaration) {
+	@Override
-		for ( int i = 0; i< paramNames.size(); i++ ) {
+	String returnType() {
-			final String paramName = paramNames.get(i);
-			final String paramType = paramTypes.get(i);
-			if ( !isNullable(i) && !isPrimitive(paramType) ) {
-				nullCheck( declaration, paramName );
-			}
-		}
-	}
-
-	private static void nullCheck(StringBuilder declaration, String paramName) {
-		declaration
-				.append("\tif (")
-				.append(paramName.replace('.', '$'))
-				.append(" == null) throw new IllegalArgumentException(\"Null ")
-				.append(paramName)
-				.append("\");\n");
-	}
-
-	private void where(StringBuilder declaration, List<String> paramTypes) {
-		declaration
-				.append("\t_query.where(");
-		boolean first = true;
-		for ( int i = 0; i < paramNames.size(); i ++ ) {
-			final String paramName = paramNames.get(i);
-			final String paramType = paramTypes.get(i);
-			if ( !isSpecialParam(paramType) ) {
-				if ( first ) {
-					first = false;
-				}
-				else {
-					declaration
-							.append(", ");
-				}
-				condition(declaration, i, paramName, paramType );
-			}
-		}
-		declaration
-				.append("\n\t);");
-	}
-
-	private void condition(StringBuilder declaration, int i, String paramName, String paramType) {
-		declaration
-				.append("\n\t\t\t");
-		final String parameterName = paramName.replace('.', '$');
-		if ( isNullable(i) && !isPrimitive(paramType) ) {
-			declaration
-					.append(parameterName)
-					.append("==null")
-					.append("\n\t\t\t\t? ")
-					.append("_entity");
-			path( declaration, paramName );
-			declaration
-					.append(".isNull()")
-					.append("\n\t\t\t\t: ");
-		}
-		if ( multivalued.get(i) ) {
-			declaration
-					.append("_entity");
-			path( declaration, paramName );
-			declaration
-					.append(".in(");
-			if ( paramType.endsWith("[]") ) {
-				declaration
-						.append("(Object[]) ")
-						//TODO: only safe if we are binding literals as parameters!!!
-						.append(parameterName);
-
-			}
-			else {
-				declaration
-						.append(annotationMetaEntity.staticImport(StreamSupport.class.getName(), "stream"))
-						.append('(')
-						//TODO: only safe if we are binding literals as parameters!!!
-						.append(parameterName)
-						.append(".spliterator(), false).collect(") // ugh, very ugly!
-						.append(annotationMetaEntity.staticImport(Collectors.class.getName(), "toList"))
-						.append("())");
-			}
-			declaration
-					.append(")");
-		}
-		else {
-			//TODO: change to use Expression.equalTo() in JPA 3.2
-			declaration
-					.append("_builder.")
-					.append(paramPatterns.get(i) ? "like" : "equal")
-					.append("(_entity");
-			path( declaration, paramName );
-			declaration
-					.append(", ")
-					//TODO: only safe if we are binding literals as parameters!!!
-					.append(parameterName)
-					.append(')');
-		}
-	}
-
-	private void path(StringBuilder declaration, String paramName) {
-		final StringTokenizer tokens = new StringTokenizer(paramName, ".");
-		String typeName = entity;
-		while ( typeName!= null && tokens.hasMoreTokens() ) {
-			final String memberName = tokens.nextToken();
-			declaration
-					.append(".get(")
-					.append(annotationMetaEntity.importType(typeName + '_'))
-					.append('.')
-					.append(memberName)
-					.append(')');
-			typeName = annotationMetaEntity.getMemberType(typeName, memberName);
-		}
-	}
-
-	private StringBuilder returnType() {
 		final StringBuilder type = new StringBuilder();
 		if ( "[]".equals(containerType) ) {
 			if ( returnTypeName == null ) {
@@ -276,6 +127,6 @@ public class CriteriaFinderMethod extends AbstractFinderMethod {
 				type.append('>');
 			}
 		}
-		return type;
+		return type.toString();
 	}
 }

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

@@ -80,7 +80,7 @@ public class QueryMethod extends AbstractQueryMethod {
 	@Override
 	public String getAttributeDeclarationString() {
 		final List<String> paramTypes = parameterTypes();
-		final StringBuilder returnType = returnType();
+		final String returnType = returnType();
 		final StringBuilder declaration = new StringBuilder();
 		comment( declaration );
 		modifiers( paramTypes, declaration );
@@ -123,7 +123,7 @@ public class QueryMethod extends AbstractQueryMethod {
 		declaration.append(")\n");
 	}
 
-	private void castResult(StringBuilder declaration, StringBuilder returnType) {
+	private void castResult(StringBuilder declaration, String returnType) {
 		if ( isNative && returnTypeName != null && containerType == null
 				&& isUsingEntityManager() ) {
 			// EntityManager.createNativeQuery() does not return TypedQuery,
@@ -192,7 +192,7 @@ public class QueryMethod extends AbstractQueryMethod {
 				.append(")\n");
 	}
 
-	private StringBuilder returnType() {
+	private String returnType() {
 		final StringBuilder type = new StringBuilder();
 		if ( "[]".equals(containerType) ) {
 			if ( returnTypeName == null ) {
@@ -219,7 +219,7 @@ public class QueryMethod extends AbstractQueryMethod {
 				type.append('>');
 			}
 		}
-		return type;
+		return type.toString();
 	}
 
 	private void comment(StringBuilder declaration) {

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

@@ -76,6 +76,9 @@ public final class Constants {
 	public static final String JD_PAGE_REQUEST = "jakarta.data.page.PageRequest";
 	public static final String JD_PAGE = "jakarta.data.page.Page";
 	public static final String JD_CURSORED_PAGE = "jakarta.data.page.CursoredPage";
+	public static final String BASIC_REPOSITORY = "jakarta.data.repository.BasicRepository";
+	public static final String CRUD_REPOSITORY = "jakarta.data.repository.CrudRepository";
+	public static final String DATA_REPOSITORY = "jakarta.data.repository.DataRepository";
 
 	public static final String HIB_ORDER = "org.hibernate.query.Order";
 	public static final String HIB_PAGE = "org.hibernate.query.Page";