From e9ba1e73ff1b19b4eb95f2201e56c088226c8fb7 Mon Sep 17 00:00:00 2001 From: Zeeshan Arif Date: Wed, 27 Mar 2024 05:39:30 +0500 Subject: [PATCH] Code added for ticket: BAEL-7621: StructDepartment.java StructManager.java - (contains the @Struct annotation which is the annotation the ticket is about. HibernateStructUnitTest.java - Struct unit test class. No unit test present because the hibernate dialect: org.hibernate.dialect.DerbyDialect does not support the @Struct annotation despite the fact that Apache Derby has support for CREATE TYPE (https://db.apache.org/derby/docs/10.17/ref/rrefsqljcreatetype.html) ddls. hibernate-derby.properties - properties file, just for reference, not being used in unit tests. --- .../struct/entities/StructDepartment.java | 51 +++++++++ .../struct/entities/StructManager.java | 52 +++++++++ .../struct/HibernateStructUnitTest.java | 101 ++++++++++++++++++ .../test/resources/hibernate-derby.properties | 17 +++ 4 files changed, 221 insertions(+) create mode 100644 persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructDepartment.java create mode 100644 persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructManager.java create mode 100644 persistence-modules/hibernate-jpa/src/test/java/com/baeldung/hibernate/struct/HibernateStructUnitTest.java create mode 100644 persistence-modules/hibernate-jpa/src/test/resources/hibernate-derby.properties diff --git a/persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructDepartment.java b/persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructDepartment.java new file mode 100644 index 0000000000..419c47791a --- /dev/null +++ b/persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructDepartment.java @@ -0,0 +1,51 @@ +package com.baeldung.hibernate.struct.entities; + +import jakarta.persistence.*; + +@Entity +public class StructDepartment { + @Id + @GeneratedValue + private Integer id; + + @Column + private String departmentName; + + @Embedded + @Column + private StructManager manager; + + @Override + public String toString() { + return "Department{" + + "id=" + id + + ", departmentName='" + departmentName + '\'' + + ", manager=" + manager + + '}'; + } + + public StructDepartment(String departmentName, StructManager manager) { + this.departmentName = departmentName; + this.manager = manager; + } + + public Integer getId() { + return id; + } + + public String getDepartmentName() { + return departmentName; + } + + public void setDepartmentName(String departmentName) { + this.departmentName = departmentName; + } + + public StructManager getManager() { + return manager; + } + + public void setManager(StructManager manager) { + this.manager = manager; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructManager.java b/persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructManager.java new file mode 100644 index 0000000000..10595ecc55 --- /dev/null +++ b/persistence-modules/hibernate-jpa/src/main/java/com/baeldung/hibernate/struct/entities/StructManager.java @@ -0,0 +1,52 @@ +package com.baeldung.hibernate.struct.entities; +import jakarta.persistence.Embeddable; +import org.hibernate.annotations.Struct; + +import java.io.Serializable; + +@Embeddable +@Struct(name = "Department_Manager_Type", attributes = {"firstName", "lastName", "qualification"}) +public class StructManager implements Serializable { + private String firstName; + private String lastName; + private String qualification; + + @Override + public String toString() { + return "Manager{" + + "firstName='" + firstName + '\'' + + ", lastName='" + lastName + '\'' + + ", qualification='" + qualification + '\'' + + '}'; + } + + public StructManager(String firstName, String lastName, String qualification) { + this.firstName = firstName; + this.lastName = lastName; + this.qualification = qualification; + } + + public String getFirstName() { + return firstName; + } + + public void setFirstName(String firstName) { + this.firstName = firstName; + } + + public String getLastName() { + return lastName; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } + + public String getQualification() { + return qualification; + } + + public void setQualification(String qualification) { + this.qualification = qualification; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate-jpa/src/test/java/com/baeldung/hibernate/struct/HibernateStructUnitTest.java b/persistence-modules/hibernate-jpa/src/test/java/com/baeldung/hibernate/struct/HibernateStructUnitTest.java new file mode 100644 index 0000000000..a836fe0de1 --- /dev/null +++ b/persistence-modules/hibernate-jpa/src/test/java/com/baeldung/hibernate/struct/HibernateStructUnitTest.java @@ -0,0 +1,101 @@ +package com.baeldung.hibernate.struct; + +import com.baeldung.hibernate.struct.entities.StructDepartment; +import com.baeldung.hibernate.struct.entities.StructManager; +import org.apache.commons.lang3.StringUtils; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.hibernate.Transaction; +import org.hibernate.boot.Metadata; +import org.hibernate.boot.MetadataSources; +import org.hibernate.boot.registry.StandardServiceRegistryBuilder; +import org.hibernate.service.ServiceRegistry; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; + +import java.io.FileInputStream; +import java.io.IOException; +import java.net.URL; +import java.util.Properties; + +public class HibernateStructUnitTest { + + private Session session; + private Transaction transaction; + + public static SessionFactory getSessionFactoryByProperties(Properties properties) throws IOException { + ServiceRegistry serviceRegistry = configureServiceRegistry(properties); + return makeSessionFactory(serviceRegistry); + } + + private static SessionFactory makeSessionFactory(ServiceRegistry serviceRegistry) { + MetadataSources metadataSources = new MetadataSources(serviceRegistry); + metadataSources.addPackage("com.baeldung.hibernate.struct.entities"); + metadataSources.addAnnotatedClass(StructDepartment.class); + metadataSources.addAnnotatedClass(StructManager.class); + + Metadata metadata = metadataSources.getMetadataBuilder() + .build(); + + return metadata.getSessionFactoryBuilder() + .build(); + + } + private static ServiceRegistry configureServiceRegistry(Properties properties) throws IOException { + return new StandardServiceRegistryBuilder().applySettings(properties) + .build(); + } + + public static Properties getProperties() throws IOException { + Properties properties = new Properties(); + URL propertiesURL = Thread.currentThread() + .getContextClassLoader() + .getResource(StringUtils.defaultString(PROPERTY_FILE_NAME, "hibernate-derby.properties")); + try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) { + properties.load(inputStream); + } + return properties; + } + + private static ServiceRegistry configureServiceRegistry() throws IOException { + return configureServiceRegistry(getProperties()); + } + private static String PROPERTY_FILE_NAME; + public static SessionFactory getSessionFactory(String propertyFileName) throws IOException { + PROPERTY_FILE_NAME = propertyFileName; + ServiceRegistry serviceRegistry = configureServiceRegistry(); + return makeSessionFactory(serviceRegistry); + } + @Before + public void setUp() throws IOException { + session = getSessionFactory("hibernate-derby.properties") + .openSession(); + transaction = session.beginTransaction(); + + transaction.commit(); + transaction = session.beginTransaction(); + } + + @After + public void tearDown() { + transaction.rollback(); + session.close(); + } + + + +/* This unit test is for reference only because the Hibernate dialect for + Apache Derby database does not support @Struct annotation. + + @Test + public void givenSaveDepartmentObject_ThenManagerUDTExists() { + StructDepartment d = new StructDepartment("Information Technology" + , new StructManager("Zeeshan", "Arif", "Qualified")); + + session.persist(d); + session.flush(); + session.clear(); + + }*/ +} diff --git a/persistence-modules/hibernate-jpa/src/test/resources/hibernate-derby.properties b/persistence-modules/hibernate-jpa/src/test/resources/hibernate-derby.properties new file mode 100644 index 0000000000..72256d1687 --- /dev/null +++ b/persistence-modules/hibernate-jpa/src/test/resources/hibernate-derby.properties @@ -0,0 +1,17 @@ +hibernate.connection.driver_class=org.apache.derby.jdbc.EmbeddedDriver +hibernate.connection.url=jdbc:derby:db/derby.dbfile;create=true +hibernate.connection.username= +hibernate.connection.autocommit=true +jdbc.password= + +hibernate.dialect=org.hibernate.dialect.DerbyDialect + +# enable to see Hibernate generated SQL +hibernate.show_sql=false + +hibernate.hbm2ddl.auto=create-drop + +hibernate.c3p0.min_size=5 +hibernate.c3p0.max_size=20 +hibernate.c3p0.acquire_increment=5 +hibernate.c3p0.timeout=1800