Evaluate entity name for StringAotQuery from EntityMetadata.

Closes #4029
Original pull request: #4030

Author: christophstrobl

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/aot/QueriesFactory.java

@@ -57,6 +57,7 @@
  * Factory for {@link AotQueries}.
  *
  * @author Mark Paluch
+ * @author Christoph Strobl
  * @since 4.0
  */
 class QueriesFactory {
@@ -123,7 +124,7 @@ public AotQueries createQueries(RepositoryInformation repositoryInformation, Ret
 			QueryEnhancerSelector selector, MergedAnnotation<Query> query, JpaQueryMethod queryMethod) {
 
 		if (query.isPresent() && StringUtils.hasText(query.getString("value"))) {
-			return buildStringQuery(repositoryInformation.getDomainType(), returnedType, selector, query, queryMethod);
+			return buildStringQuery(returnedType, selector, query, queryMethod);
 		}
 
 		String queryName = queryMethod.getNamedQueryName();
@@ -138,10 +139,10 @@ private boolean hasNamedQuery(ReturnedType returnedType, String queryName) {
 		return namedQueries.hasQuery(queryName) || getNamedQuery(returnedType, queryName) != null;
 	}
 
-	private AotQueries buildStringQuery(Class<?> domainType, ReturnedType returnedType, QueryEnhancerSelector selector,
+	private AotQueries buildStringQuery(ReturnedType returnedType, QueryEnhancerSelector selector,
 			MergedAnnotation<Query> query, JpaQueryMethod queryMethod) {
 
-		UnaryOperator<String> operator = s -> s.replaceAll("#\\{#entityName}", domainType.getSimpleName());
+		UnaryOperator<String> operator = s -> s.replaceAll("#\\{#entityName}", queryMethod.getEntityInformation().getEntityName());
 		boolean isNative = query.getBoolean("nativeQuery");
 		Function<String, DeclaredQuery> queryFunction = isNative ? DeclaredQuery::nativeQuery : DeclaredQuery::jpqlQuery;
 		queryFunction = operator.andThen(queryFunction);

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/aot/QueriesFactoryUnitTests.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2025-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.jpa.repository.aot;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+
+import jakarta.persistence.EntityManagerFactory;
+
+import org.assertj.core.api.InstanceOfAssertFactories;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+import org.springframework.core.annotation.MergedAnnotation;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.jpa.repository.query.JpaEntityMetadata;
+import org.springframework.data.jpa.repository.query.JpaQueryMethod;
+import org.springframework.data.jpa.repository.query.QueryEnhancerSelector;
+import org.springframework.data.jpa.repository.support.JpaEntityInformation;
+import org.springframework.data.projection.SpelAwareProxyProjectionFactory;
+import org.springframework.data.repository.config.RepositoryConfigurationSource;
+import org.springframework.data.repository.core.RepositoryInformation;
+import org.springframework.data.repository.query.ReturnedType;
+
+/**
+ * Unit tests for {@link QueriesFactory}.
+ *
+ * @author Christoph Strobl
+ */
+class QueriesFactoryUnitTests {
+
+	QueriesFactory factory;
+
+	@BeforeEach
+	void setUp() {
+
+		RepositoryConfigurationSource configSource = Mockito.mock(RepositoryConfigurationSource.class);
+		EntityManagerFactory entityManagerFactory = Mockito.mock(EntityManagerFactory.class);
+
+		factory = new QueriesFactory(configSource, entityManagerFactory, this.getClass().getClassLoader());
+	}
+
+	@Test // GH-4029
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	void stringQueryShouldResolveEntityNameFromJakartaAnnotationIfPresent() {
+
+		RepositoryInformation repositoryInformation = Mockito.mock(RepositoryInformation.class);
+		JpaEntityMetadata<?> entityMetadata = Mockito.mock(JpaEntityInformation.class);
+		when(entityMetadata.getEntityName()).thenReturn("CustomNamed");
+
+		MergedAnnotation<Query> queryAnnotation = Mockito.mock(MergedAnnotation.class);
+		when(queryAnnotation.isPresent()).thenReturn(true);
+		when(queryAnnotation.getString(eq("value"))).thenReturn("select t from #{#entityName} t");
+		when(queryAnnotation.getBoolean(eq("nativeQuery"))).thenReturn(false);
+		when(queryAnnotation.getString("countQuery")).thenReturn("select count(t) from #{#entityName} t");
+
+		JpaQueryMethod queryMethod = Mockito.mock(JpaQueryMethod.class);
+		when(queryMethod.getEntityInformation()).thenReturn((JpaEntityMetadata) entityMetadata);
+
+		AotQueries generatedQueries = factory.createQueries(repositoryInformation,
+				ReturnedType.of(Object.class, Object.class, new SpelAwareProxyProjectionFactory()),
+				QueryEnhancerSelector.DEFAULT_SELECTOR, queryAnnotation, queryMethod);
+
+		assertThat(generatedQueries.result()).asInstanceOf(InstanceOfAssertFactories.type(StringAotQuery.class))
+				.extracting(StringAotQuery::getQueryString).isEqualTo("select t from CustomNamed t");
+		assertThat(generatedQueries.count()).asInstanceOf(InstanceOfAssertFactories.type(StringAotQuery.class))
+				.extracting(StringAotQuery::getQueryString).isEqualTo("select count(t) from CustomNamed t");
+	}
+}