Add Hibernate 7 batches 2-6, batch 7, and batch 8: mapping styles, JPA annotations, natural IDs, @Immutable, stored procedures, in-memory test databases, JNDI mocking, proxies, associations, temporal mapping, named queries, HQL, Criteria API, EntityManager bootstrapping, Ehcache 3 L2 cache configuration, HikariCP connection pooling, Hibernate Validator CDI integration, aggregate functions, sorting, pagination, interceptors, and Hibernate Search 8 (Hibernate 7.4.5.Final + Spring Boot 4.1.1 + JDK 25)

2026-09-20 06:06:42 +00:00
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+package com.ankurm.hibernatedemo.namedquery;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityManagerFactory;
+import java.util.List;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+/**
+ * Backs ankurm.com post 4877, docs/14-named-queries.md chapter "Named queries in orm.xml".
+ */
+@SpringBootTest
+class OrmXmlNamedQueryTest {
+
+    private static final Logger DEMO = LoggerFactory.getLogger("DEMO");
+
+    @Autowired
+    private EntityManagerFactory emf;
+
+    @BeforeEach
+    void cleanTable() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        em.createQuery("DELETE FROM XmlQueryEmployee").executeUpdate();
+        em.getTransaction().commit();
+        em.close();
+    }
+
+    @Test
+    void namedQueryDefinedInOrmXml_worksAlongsideTheAnnotatedOne() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        em.persist(new XmlQueryEmployee("Low", 30_000));
+        em.persist(new XmlQueryEmployee("High", 90_000));
+        em.getTransaction().commit();
+
+        List<XmlQueryEmployee> viaAnnotation = em.createNamedQuery("XmlQueryEmployee.findBySalaryAbove", XmlQueryEmployee.class)
+                .setParameter("min", 50_000.0)
+                .getResultList();
+        List<XmlQueryEmployee> viaXml = em.createNamedQuery("XmlQueryEmployee.findBySalaryAboveXml", XmlQueryEmployee.class)
+                .setParameter("min", 50_000.0)
+                .getResultList();
+
+        DEMO.info("annotation-defined named query result: {} rows", viaAnnotation.size());
+        DEMO.info("orm.xml-defined named query result: {} rows", viaXml.size());
+
+        assertThat(viaAnnotation).hasSize(1);
+        assertThat(viaXml).hasSize(1);
+        em.close();
+    }
+
+    @Test
+    void ormXmlNamedQuery_overridesTheSameNamedAnnotatedOne() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        em.persist(new XmlQueryEmployee("Whoever", 60_000));
+        em.getTransaction().commit();
+
+        // The annotation on XmlQueryEmployee for "overridden" is deliberately wrong (salary < 0).
+        // If orm.xml wins, this returns 1 row; if the annotation wins, it returns 0.
+        List<XmlQueryEmployee> result = em.createNamedQuery("XmlQueryEmployee.overridden", XmlQueryEmployee.class)
+                .setParameter("min", 50_000.0)
+                .getResultList();
+
+        DEMO.info("XmlQueryEmployee.overridden (annotation says salary<0, orm.xml says salary>:min): {} rows", result.size());
+        assertThat(result)
+                .as("orm.xml's definition must win over the annotation of the same name")
+                .hasSize(1);
+        em.close();
+    }
+}