diff --git a/persistence-modules/hibernate5-queries/README.md b/persistence-modules/hibernate5-queries/README.md new file mode 100644 index 0000000000..1edf4ded1e --- /dev/null +++ b/persistence-modules/hibernate5-queries/README.md @@ -0,0 +1,10 @@ +## Hibernate 5 + +This module contains articles about Hibernate 5. + +### Relevant articles: + +- [Criteria Queries Using JPA Metamodel](https://www.baeldung.com/hibernate-criteria-queries-metamodel) +- [Get All Data from a Table with Hibernate](https://www.baeldung.com/hibernate-select-all) +- [Hibernate Named Query](https://www.baeldung.com/hibernate-named-query) +- [Hibernate Query Plan Cache](https://www.baeldung.com/hibernate-query-plan-cache) \ No newline at end of file diff --git a/persistence-modules/hibernate5-queries/pom.xml b/persistence-modules/hibernate5-queries/pom.xml new file mode 100644 index 0000000000..544d22c0a3 --- /dev/null +++ b/persistence-modules/hibernate5-queries/pom.xml @@ -0,0 +1,82 @@ + + + 4.0.0 + hibernate5-queries + 0.0.1-SNAPSHOT + hibernate5-queries + + + com.baeldung + persistence-modules + 1.0.0-SNAPSHOT + + + + + org.hibernate + hibernate-core + ${hibernate.version} + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + com.h2database + h2 + ${h2.version} + + + org.hibernate + hibernate-spatial + ${hibernate.version} + + + org.opengeo + geodb + ${geodb.version} + + + mysql + mysql-connector-java + ${mysql.version} + + + ch.vorburger.mariaDB4j + mariaDB4j + ${mariaDB4j.version} + + + org.hibernate + hibernate-testing + ${hibernate.version} + + + org.openjdk.jmh + jmh-generator-annprocess + ${openjdk-jmh.version} + + + + + + geodb-repo + GeoDB repository + http://repo.boundlessgeo.com/main/ + + + + + 5.3.7.Final + 6.0.6 + 2.2.3 + 3.8.0 + 0.9 + 1.21 + + + diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/HibernateUtil.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/HibernateUtil.java new file mode 100644 index 0000000000..58724e690c --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/HibernateUtil.java @@ -0,0 +1,73 @@ +package com.baeldung.hibernate; + +import java.io.FileInputStream; +import java.io.IOException; +import java.net.URL; +import java.util.Properties; + +import org.apache.commons.lang3.StringUtils; +import org.hibernate.SessionFactory; +import org.hibernate.boot.Metadata; +import org.hibernate.boot.MetadataSources; +import org.hibernate.boot.registry.StandardServiceRegistryBuilder; +import org.hibernate.service.ServiceRegistry; + +import com.baeldung.hibernate.customtypes.LocalDateStringType; +import com.baeldung.hibernate.entities.DeptEmployee; +import com.baeldung.hibernate.pojo.Student; + +public class HibernateUtil { + private static String PROPERTY_FILE_NAME; + + public static SessionFactory getSessionFactory() throws IOException { + return getSessionFactory(null); + } + + public static SessionFactory getSessionFactory(String propertyFileName) throws IOException { + PROPERTY_FILE_NAME = propertyFileName; + ServiceRegistry serviceRegistry = configureServiceRegistry(); + return makeSessionFactory(serviceRegistry); + } + + 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.pojo"); + metadataSources.addAnnotatedClass(Student.class); + metadataSources.addAnnotatedClass(DeptEmployee.class); + metadataSources.addAnnotatedClass(com.baeldung.hibernate.entities.Department.class); + + Metadata metadata = metadataSources.getMetadataBuilder() + .applyBasicType(LocalDateStringType.INSTANCE) + .build(); + + return metadata.getSessionFactoryBuilder() + .build(); + + } + + private static ServiceRegistry configureServiceRegistry() throws IOException { + return configureServiceRegistry(getProperties()); + } + + 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.properties")); + try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) { + properties.load(inputStream); + } + return properties; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/UnsupportedTenancyException.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/UnsupportedTenancyException.java new file mode 100644 index 0000000000..99d9505ea3 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/UnsupportedTenancyException.java @@ -0,0 +1,8 @@ +package com.baeldung.hibernate; + +public class UnsupportedTenancyException extends Exception { + public UnsupportedTenancyException (String message) { + super(message); + } + +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java new file mode 100644 index 0000000000..35cfe55ba6 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java @@ -0,0 +1,60 @@ +package com.baeldung.hibernate.criteriaquery; + +import com.baeldung.hibernate.customtypes.LocalDateStringType; +import org.hibernate.SessionFactory; +import org.hibernate.boot.Metadata; +import org.hibernate.boot.MetadataSources; +import org.hibernate.boot.registry.StandardServiceRegistryBuilder; +import org.hibernate.service.ServiceRegistry; + +import java.io.FileInputStream; +import java.io.IOException; +import java.net.URL; +import java.util.Properties; + +public class HibernateUtil { + private static SessionFactory sessionFactory; + + private HibernateUtil() { + } + + public static SessionFactory getSessionFactory() { + if (sessionFactory == null) { + sessionFactory = buildSessionFactory(); + } + return sessionFactory; + } + + private static SessionFactory buildSessionFactory() { + try { + ServiceRegistry serviceRegistry = configureServiceRegistry(); + + MetadataSources metadataSources = new MetadataSources(serviceRegistry); + + metadataSources.addAnnotatedClass(Student.class); + Metadata metadata = metadataSources.getMetadataBuilder() + .applyBasicType(LocalDateStringType.INSTANCE) + .build(); + return metadata.getSessionFactoryBuilder().build(); + } catch (IOException ex) { + throw new ExceptionInInitializerError(ex); + } + } + + + private static ServiceRegistry configureServiceRegistry() throws IOException { + Properties properties = getProperties(); + return new StandardServiceRegistryBuilder().applySettings(properties).build(); + } + + private static Properties getProperties() throws IOException { + Properties properties = new Properties(); + URL propertiesURL = Thread.currentThread() + .getContextClassLoader() + .getResource("hibernate.properties"); + try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) { + properties.load(inputStream); + } + return properties; + } +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/criteriaquery/Student.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/criteriaquery/Student.java new file mode 100644 index 0000000000..314e7ca557 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/criteriaquery/Student.java @@ -0,0 +1,58 @@ +package com.baeldung.hibernate.criteriaquery; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.GenerationType; +import javax.persistence.Id; +import javax.persistence.Table; + +@Entity +@Table(name = "students") +public class Student { + + @Id + @GeneratedValue(strategy = GenerationType.AUTO) + private int id; + + @Column(name = "first_name") + private String firstName; + + @Column(name = "last_name") + private String lastName; + + @Column(name = "grad_year") + private int gradYear; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + 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 int getGradYear() { + return gradYear; + } + + public void setGradYear(int gradYear) { + this.gradYear = gradYear; + } +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/customtypes/LocalDateStringJavaDescriptor.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/customtypes/LocalDateStringJavaDescriptor.java new file mode 100644 index 0000000000..56be9e693f --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/customtypes/LocalDateStringJavaDescriptor.java @@ -0,0 +1,51 @@ +package com.baeldung.hibernate.customtypes; + +import org.hibernate.type.LocalDateType; +import org.hibernate.type.descriptor.WrapperOptions; +import org.hibernate.type.descriptor.java.AbstractTypeDescriptor; +import org.hibernate.type.descriptor.java.ImmutableMutabilityPlan; +import org.hibernate.type.descriptor.java.MutabilityPlan; + +import java.time.LocalDate; + +public class LocalDateStringJavaDescriptor extends AbstractTypeDescriptor { + + public static final LocalDateStringJavaDescriptor INSTANCE = new LocalDateStringJavaDescriptor(); + + public LocalDateStringJavaDescriptor() { + super(LocalDate.class, ImmutableMutabilityPlan.INSTANCE); + } + + @Override + public String toString(LocalDate value) { + return LocalDateType.FORMATTER.format(value); + } + + @Override + public LocalDate fromString(String string) { + return LocalDate.from(LocalDateType.FORMATTER.parse(string)); + } + + @Override + public X unwrap(LocalDate value, Class type, WrapperOptions options) { + + if (value == null) + return null; + + if (String.class.isAssignableFrom(type)) + return (X) LocalDateType.FORMATTER.format(value); + + throw unknownUnwrap(type); + } + + @Override + public LocalDate wrap(X value, WrapperOptions options) { + if (value == null) + return null; + + if(String.class.isInstance(value)) + return LocalDate.from(LocalDateType.FORMATTER.parse((CharSequence) value)); + + throw unknownWrap(value.getClass()); + } +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/customtypes/LocalDateStringType.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/customtypes/LocalDateStringType.java new file mode 100644 index 0000000000..c8d37073e8 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/customtypes/LocalDateStringType.java @@ -0,0 +1,34 @@ +package com.baeldung.hibernate.customtypes; + +import org.hibernate.dialect.Dialect; +import org.hibernate.type.AbstractSingleColumnStandardBasicType; +import org.hibernate.type.DiscriminatorType; +import org.hibernate.type.descriptor.java.LocalDateJavaDescriptor; +import org.hibernate.type.descriptor.sql.VarcharTypeDescriptor; + +import java.time.LocalDate; + +public class LocalDateStringType extends AbstractSingleColumnStandardBasicType implements DiscriminatorType { + + public static final LocalDateStringType INSTANCE = new LocalDateStringType(); + + public LocalDateStringType() { + super(VarcharTypeDescriptor.INSTANCE, LocalDateStringJavaDescriptor.INSTANCE); + } + + @Override + public String getName() { + return "LocalDateString"; + } + + @Override + public LocalDate stringToObject(String xml) throws Exception { + return fromString(xml); + } + + @Override + public String objectToSQLString(LocalDate value, Dialect dialect) throws Exception { + return '\'' + toString(value) + '\''; + } + +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/entities/Department.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/entities/Department.java new file mode 100644 index 0000000000..ff94f4f849 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/entities/Department.java @@ -0,0 +1,45 @@ +package com.baeldung.hibernate.entities; + +import java.util.List; + +import javax.persistence.*; + +@Entity +public class Department { + @Id + @GeneratedValue(strategy = GenerationType.SEQUENCE) + private long id; + + private String name; + + @OneToMany(mappedBy="department") + private List employees; + + public Department(String name) { + this.name = name; + } + + public long getId() { + return id; + } + + public void setId(long id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public List getEmployees() { + return employees; + } + + public void setEmployees(List employees) { + this.employees = employees; + } +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java new file mode 100644 index 0000000000..6510e70650 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java @@ -0,0 +1,83 @@ +package com.baeldung.hibernate.entities; + +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.GenerationType; +import javax.persistence.Id; +import javax.persistence.ManyToOne; + +@org.hibernate.annotations.NamedQueries({ @org.hibernate.annotations.NamedQuery(name = "DeptEmployee_FindByEmployeeNumber", query = "from DeptEmployee where employeeNumber = :employeeNo"), + @org.hibernate.annotations.NamedQuery(name = "DeptEmployee_FindAllByDesgination", query = "from DeptEmployee where designation = :designation"), + @org.hibernate.annotations.NamedQuery(name = "DeptEmployee_UpdateEmployeeDepartment", query = "Update DeptEmployee set department = :newDepartment where employeeNumber = :employeeNo"), + @org.hibernate.annotations.NamedQuery(name = "DeptEmployee_FindAllByDepartment", query = "from DeptEmployee where department = :department", timeout = 1, fetchSize = 10) }) +@org.hibernate.annotations.NamedNativeQueries({ @org.hibernate.annotations.NamedNativeQuery(name = "DeptEmployee_FindByEmployeeName", query = "select * from deptemployee emp where name=:name", resultClass = DeptEmployee.class), + @org.hibernate.annotations.NamedNativeQuery(name = "DeptEmployee_UpdateEmployeeDesignation", query = "call UPDATE_EMPLOYEE_DESIGNATION(:employeeNumber, :newDesignation)", resultClass = DeptEmployee.class) }) +@Entity +public class DeptEmployee { + @Id + @GeneratedValue(strategy = GenerationType.SEQUENCE) + private long id; + + private String employeeNumber; + + private String title; + + private String name; + + @ManyToOne + private Department department; + + public DeptEmployee(String name, String employeeNumber, Department department) { + this.name = name; + this.employeeNumber = employeeNumber; + this.department = department; + } + + public DeptEmployee(String name, String employeeNumber, String title, Department department) { + super(); + this.name = name; + this.employeeNumber = employeeNumber; + this.title = title; + this.department = department; + } + + public long getId() { + return id; + } + + public void setId(long id) { + this.id = id; + } + + public String getEmployeeNumber() { + return employeeNumber; + } + + public void setEmployeeNumber(String employeeNumber) { + this.employeeNumber = employeeNumber; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public Department getDepartment() { + return department; + } + + public void setDepartment(Department department) { + this.department = department; + } + + public String getTitle() { + return title; + } + + public void setTitle(String title) { + this.title = title; + } +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/findall/FindAll.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/findall/FindAll.java new file mode 100644 index 0000000000..cc0c234df0 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/findall/FindAll.java @@ -0,0 +1,35 @@ +package com.baeldung.hibernate.findall; + +import java.util.List; + +import javax.persistence.TypedQuery; +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaQuery; +import javax.persistence.criteria.Root; + +import org.hibernate.Session; + +import com.baeldung.hibernate.pojo.Student; + +public class FindAll { + + private Session session; + + public FindAll(Session session) { + super(); + this.session = session; + } + + public List findAllWithJpql() { + return session.createQuery("SELECT a FROM Student a", Student.class).getResultList(); + } + + public List findAllWithCriteriaQuery() { + CriteriaBuilder cb = session.getCriteriaBuilder(); + CriteriaQuery cq = cb.createQuery(Student.class); + Root rootEntry = cq.from(Student.class); + CriteriaQuery all = cq.select(rootEntry); + TypedQuery allQuery = session.createQuery(all); + return allQuery.getResultList(); + } +} diff --git a/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/pojo/Student.java b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/pojo/Student.java new file mode 100644 index 0000000000..9b26c117eb --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/java/com/baeldung/hibernate/pojo/Student.java @@ -0,0 +1,51 @@ +package com.baeldung.hibernate.pojo; + +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.GenerationType; +import javax.persistence.Id; + +@Entity +public class Student { + + @Id + @GeneratedValue(strategy = GenerationType.SEQUENCE) + private long studentId; + + private String name; + + private int age; + + public Student() { + } + + public Student(String name, int age) { + this.name = name; + this.age = age; + } + + public long getStudentId() { + return studentId; + } + + public void setStudentId(long studentId) { + this.studentId = studentId; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public int getAge() { + return age; + } + + public void setAge(int age) { + this.age = age; + } + +} diff --git a/persistence-modules/hibernate5-queries/src/main/resources/META-INF/persistence.xml b/persistence-modules/hibernate5-queries/src/main/resources/META-INF/persistence.xml new file mode 100644 index 0000000000..474eeb7a44 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/resources/META-INF/persistence.xml @@ -0,0 +1,18 @@ + + + + Hibernate EntityManager Demo + true + + + + + + + + + + \ No newline at end of file diff --git a/persistence-modules/hibernate5-queries/src/main/resources/init_database.sql b/persistence-modules/hibernate5-queries/src/main/resources/init_database.sql new file mode 100644 index 0000000000..b2848aa256 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/resources/init_database.sql @@ -0,0 +1,10 @@ +CREATE ALIAS UPDATE_EMPLOYEE_DESIGNATION AS $$ +import java.sql.CallableStatement; +import java.sql.Connection; +import java.sql.SQLException; +@CODE +void updateEmployeeDesignation(final Connection conn, final String employeeNumber, final String title) throws SQLException { + CallableStatement updateStatement = conn.prepareCall("update deptemployee set title = '" + title + "' where employeeNumber = '" + employeeNumber + "'"); + updateStatement.execute(); +} +$$; \ No newline at end of file diff --git a/persistence-modules/hibernate5-queries/src/main/resources/logback.xml b/persistence-modules/hibernate5-queries/src/main/resources/logback.xml new file mode 100644 index 0000000000..7d900d8ea8 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/main/resources/logback.xml @@ -0,0 +1,13 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + \ No newline at end of file diff --git a/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/NamedQueryIntegrationTest.java b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/NamedQueryIntegrationTest.java new file mode 100644 index 0000000000..cb73fe348c --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/NamedQueryIntegrationTest.java @@ -0,0 +1,98 @@ +package com.baeldung.hibernate; + +import com.baeldung.hibernate.entities.Department; +import com.baeldung.hibernate.entities.DeptEmployee; +import org.hibernate.Session; +import org.hibernate.Transaction; +import org.hibernate.query.NativeQuery; +import org.hibernate.query.Query; +import org.junit.*; + +import java.io.IOException; + +public class NamedQueryIntegrationTest { + private static Session session; + + private Transaction transaction; + + private Long purchaseDeptId; + + @BeforeClass + public static void setUpClass() throws IOException { + session = HibernateUtil.getSessionFactory("hibernate-namedquery.properties").openSession(); + } + + @Before + public void setUp() throws IOException { + transaction = session.beginTransaction(); + session.createNativeQuery("delete from deptemployee").executeUpdate(); + session.createNativeQuery("delete from department").executeUpdate(); + Department salesDepartment = new Department("Sales"); + Department purchaseDepartment = new Department("Purchase"); + DeptEmployee employee1 = new DeptEmployee("John Wayne", "001", salesDepartment); + DeptEmployee employee2 = new DeptEmployee("Sarah Vinton", "002", salesDepartment); + DeptEmployee employee3 = new DeptEmployee("Lisa Carter", "003", salesDepartment); + session.persist(salesDepartment); + session.persist(purchaseDepartment); + purchaseDeptId = purchaseDepartment.getId(); + session.persist(employee1); + session.persist(employee2); + session.persist(employee3); + transaction.commit(); + transaction = session.beginTransaction(); + } + + @After + public void tearDown() { + if(transaction.isActive()) { + transaction.rollback(); + } + } + + @Test + public void whenNamedQueryIsCalledUsingCreateNamedQuery_ThenOk() { + Query query = session.createNamedQuery("DeptEmployee_FindByEmployeeNumber", DeptEmployee.class); + query.setParameter("employeeNo", "001"); + DeptEmployee result = query.getSingleResult(); + Assert.assertNotNull(result); + Assert.assertEquals("John Wayne", result.getName()); + } + + @Test + public void whenNamedNativeQueryIsCalledUsingCreateNamedQuery_ThenOk() { + Query query = session.createNamedQuery("DeptEmployee_FindByEmployeeName", DeptEmployee.class); + query.setParameter("name", "John Wayne"); + DeptEmployee result = query.getSingleResult(); + Assert.assertNotNull(result); + Assert.assertEquals("001", result.getEmployeeNumber()); + } + + @Test + public void whenNamedNativeQueryIsCalledUsingGetNamedNativeQuery_ThenOk() { + @SuppressWarnings("rawtypes") + NativeQuery query = session.getNamedNativeQuery("DeptEmployee_FindByEmployeeName"); + query.setParameter("name", "John Wayne"); + DeptEmployee result = (DeptEmployee) query.getSingleResult(); + Assert.assertNotNull(result); + Assert.assertEquals("001", result.getEmployeeNumber()); + } + + @Test + public void whenUpdateQueryIsCalledWithCreateNamedQuery_ThenOk() { + Query spQuery = session.createNamedQuery("DeptEmployee_UpdateEmployeeDepartment"); + spQuery.setParameter("employeeNo", "001"); + Department newDepartment = session.find(Department.class, purchaseDeptId); + spQuery.setParameter("newDepartment", newDepartment); + spQuery.executeUpdate(); + transaction.commit(); + } + + @Test + public void whenNamedStoredProcedureIsCalledWithCreateNamedQuery_ThenOk() { + Query spQuery = session.createNamedQuery("DeptEmployee_UpdateEmployeeDesignation"); + spQuery.setParameter("employeeNumber", "002"); + spQuery.setParameter("newDesignation", "Supervisor"); + spQuery.executeUpdate(); + transaction.commit(); + } +} diff --git a/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/criteriaquery/TypeSafeCriteriaIntegrationTest.java b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/criteriaquery/TypeSafeCriteriaIntegrationTest.java new file mode 100644 index 0000000000..cedba412d9 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/criteriaquery/TypeSafeCriteriaIntegrationTest.java @@ -0,0 +1,89 @@ +package com.baeldung.hibernate.criteriaquery; + +import com.baeldung.hibernate.criteriaquery.HibernateUtil; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.hibernate.query.Query; +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaQuery; +import javax.persistence.criteria.Root; +import java.io.IOException; +import java.util.List; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + + +public class TypeSafeCriteriaIntegrationTest { + + private static SessionFactory sessionFactory; + + private Session session; + + @BeforeClass + public static void beforeTests() throws IOException { + sessionFactory = HibernateUtil.getSessionFactory(); + } + + @Before + public void setUp() { + session = sessionFactory.openSession(); + session.beginTransaction(); + } + + @Test + public void givenStudentData_whenUsingTypeSafeCriteriaQuery_thenSearchAllStudentsOfAGradYear() { + + prepareData(); + CriteriaBuilder cb = session.getCriteriaBuilder(); + CriteriaQuery criteriaQuery = cb.createQuery(Student.class); + + Root root = criteriaQuery.from(Student.class); + criteriaQuery.select(root).where(cb.equal(root.get("gradYear"), 1965)); + + Query query = session.createQuery(criteriaQuery); + List results = query.getResultList(); + + assertNotNull(results); + assertEquals(1, results.size()); + + Student student = results.get(0); + + assertEquals("Ken", student.getFirstName()); + assertEquals("Thompson", student.getLastName()); + assertEquals(1965, student.getGradYear()); + } + + private void prepareData() { + Student student1 = new Student(); + student1.setFirstName("Ken"); + student1.setLastName("Thompson"); + student1.setGradYear(1965); + + session.save(student1); + + Student student2 = new Student(); + student2.setFirstName("Dennis"); + student2.setLastName("Ritchie"); + student2.setGradYear(1963); + + session.save(student2); + session.getTransaction().commit(); + } + + @After + public void tearDown() { + session.close(); + } + + @AfterClass + public static void afterTests() { + sessionFactory.close(); + } +} diff --git a/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/findall/FindAllUnitTest.java b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/findall/FindAllUnitTest.java new file mode 100644 index 0000000000..8a1b9e9791 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/findall/FindAllUnitTest.java @@ -0,0 +1,63 @@ +package com.baeldung.hibernate.findall; + +import static org.junit.Assert.assertEquals; + +import java.io.IOException; +import java.util.List; + +import org.hibernate.Session; +import org.hibernate.Transaction; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; + +import com.baeldung.hibernate.HibernateUtil; +import com.baeldung.hibernate.pojo.Student; + +public class FindAllUnitTest { + + private Session session; + private Transaction transaction; + + private FindAll findAll; + + @Before + public void setUp() throws IOException { + + session = HibernateUtil.getSessionFactory().openSession(); + transaction = session.beginTransaction(); + findAll = new FindAll(session); + + session.createNativeQuery("delete from Student").executeUpdate(); + + Student student1 = new Student(); + session.persist(student1); + + Student student2 = new Student(); + session.persist(student2); + + Student student3 = new Student(); + session.persist(student3); + + transaction.commit(); + transaction = session.beginTransaction(); + } + + @After + public void tearDown() { + transaction.rollback(); + session.close(); + } + + @Test + public void givenCriteriaQuery_WhenFindAll_ThenGetAllPersons() { + List list = findAll.findAllWithCriteriaQuery(); + assertEquals(3, list.size()); + } + + @Test + public void givenJpql_WhenFindAll_ThenGetAllPersons() { + List list = findAll.findAllWithJpql(); + assertEquals(3, list.size()); + } +} diff --git a/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/queryplancache/QueryPlanCacheBenchmark.java b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/queryplancache/QueryPlanCacheBenchmark.java new file mode 100644 index 0000000000..13eae3d877 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/java/com/baeldung/hibernate/queryplancache/QueryPlanCacheBenchmark.java @@ -0,0 +1,106 @@ +package com.baeldung.hibernate.queryplancache; + +import com.baeldung.hibernate.HibernateUtil; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.hibernate.jpa.QueryHints; +import org.hibernate.query.Query; +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Fork; +import org.openjdk.jmh.annotations.Measurement; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.OutputTimeUnit; +import org.openjdk.jmh.annotations.Param; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.Setup; +import org.openjdk.jmh.annotations.State; +import org.openjdk.jmh.annotations.TearDown; +import org.openjdk.jmh.annotations.Warmup; +import org.openjdk.jmh.infra.Blackhole; +import org.openjdk.jmh.runner.RunnerException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.Properties; +import java.util.concurrent.TimeUnit; + +public class QueryPlanCacheBenchmark { + + private static final Logger LOGGER = LoggerFactory.getLogger(QueryPlanCacheBenchmark.class); + + @State(Scope.Thread) + public static class QueryPlanCacheBenchMarkState { + @Param({"1", "2", "3"}) + public int planCacheSize; + + public Session session; + + @Setup + public void stateSetup() throws IOException { + LOGGER.info("State - Setup"); + session = initSession(planCacheSize); + LOGGER.info("State - Setup Complete"); + } + + private Session initSession(int planCacheSize) throws IOException { + Properties properties = HibernateUtil.getProperties(); + properties.put("hibernate.query.plan_cache_max_size", planCacheSize); + properties.put("hibernate.query.plan_parameter_metadata_max_size", planCacheSize); + SessionFactory sessionFactory = HibernateUtil.getSessionFactoryByProperties(properties); + return sessionFactory.openSession(); + } + + @TearDown + public void tearDownState() { + LOGGER.info("State - Teardown"); + SessionFactory sessionFactory = session.getSessionFactory(); + session.close(); + sessionFactory.close(); + LOGGER.info("State - Teardown complete"); + } + } + + @Benchmark + @BenchmarkMode(Mode.AverageTime) + @OutputTimeUnit(TimeUnit.MICROSECONDS) + @Fork(1) + @Warmup(iterations = 2) + @Measurement(iterations = 5) + public void givenQueryPlanCacheSize_thenCompileQueries(QueryPlanCacheBenchMarkState state, Blackhole blackhole) { + + Query query1 = findEmployeesByDepartmentNameQuery(state.session); + Query query2 = findEmployeesByDesignationQuery(state.session); + Query query3 = findDepartmentOfAnEmployeeQuery(state.session); + + blackhole.consume(query1); + blackhole.consume(query2); + blackhole.consume(query3); + + } + + private Query findEmployeesByDepartmentNameQuery(Session session) { + return session.createQuery("SELECT e FROM DeptEmployee e " + + "JOIN e.department WHERE e.department.name = :deptName") + .setMaxResults(30) + .setHint(QueryHints.HINT_FETCH_SIZE, 30); + } + + private Query findEmployeesByDesignationQuery(Session session) { + return session.createQuery("SELECT e FROM DeptEmployee e " + + "WHERE e.title = :designation") + .setHint(QueryHints.SPEC_HINT_TIMEOUT, 1000); + } + + private Query findDepartmentOfAnEmployeeQuery(Session session) { + return session.createQuery("SELECT e.department FROM DeptEmployee e " + + "JOIN e.department WHERE e.employeeNumber = :empId"); + + } + + public static void main(String... args) throws IOException, RunnerException { + //main-class to run the benchmark + org.openjdk.jmh.Main.main(args); + } +} diff --git a/persistence-modules/hibernate5-queries/src/test/resources/hibernate-customtypes.properties b/persistence-modules/hibernate5-queries/src/test/resources/hibernate-customtypes.properties new file mode 100644 index 0000000000..c14782ce0f --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/resources/hibernate-customtypes.properties @@ -0,0 +1,14 @@ +hibernate.connection.driver_class=org.h2.Driver +hibernate.connection.url=jdbc:h2:mem:mydb1;DB_CLOSE_DELAY=-1 +hibernate.connection.username=sa +hibernate.connection.autocommit=true +jdbc.password= + +hibernate.dialect=org.hibernate.dialect.H2Dialect +hibernate.show_sql=true +hibernate.hbm2ddl.auto=create-drop + +hibernate.c3p0.min_size=5 +hibernate.c3p0.max_size=20 +hibernate.c3p0.acquire_increment=5 +hibernate.c3p0.timeout=1800 diff --git a/persistence-modules/hibernate5-queries/src/test/resources/hibernate-namedquery.properties b/persistence-modules/hibernate5-queries/src/test/resources/hibernate-namedquery.properties new file mode 100644 index 0000000000..457f965347 --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/resources/hibernate-namedquery.properties @@ -0,0 +1,9 @@ +hibernate.connection.driver_class=org.h2.Driver +hibernate.connection.url=jdbc:h2:mem:mydb1;DB_CLOSE_DELAY=-1;INIT=RUNSCRIPT FROM 'src/main/resources/init_database.sql' +hibernate.connection.username=sa +hibernate.connection.autocommit=true +jdbc.password= + +hibernate.dialect=org.hibernate.dialect.H2Dialect +hibernate.show_sql=true +hibernate.hbm2ddl.auto=create-drop \ No newline at end of file diff --git a/persistence-modules/hibernate5-queries/src/test/resources/hibernate.properties b/persistence-modules/hibernate5-queries/src/test/resources/hibernate.properties new file mode 100644 index 0000000000..c14782ce0f --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/resources/hibernate.properties @@ -0,0 +1,14 @@ +hibernate.connection.driver_class=org.h2.Driver +hibernate.connection.url=jdbc:h2:mem:mydb1;DB_CLOSE_DELAY=-1 +hibernate.connection.username=sa +hibernate.connection.autocommit=true +jdbc.password= + +hibernate.dialect=org.hibernate.dialect.H2Dialect +hibernate.show_sql=true +hibernate.hbm2ddl.auto=create-drop + +hibernate.c3p0.min_size=5 +hibernate.c3p0.max_size=20 +hibernate.c3p0.acquire_increment=5 +hibernate.c3p0.timeout=1800 diff --git a/persistence-modules/hibernate5-queries/src/test/resources/lifecycle-init.sql b/persistence-modules/hibernate5-queries/src/test/resources/lifecycle-init.sql new file mode 100644 index 0000000000..c0c9a3f34d --- /dev/null +++ b/persistence-modules/hibernate5-queries/src/test/resources/lifecycle-init.sql @@ -0,0 +1,25 @@ +create sequence hibernate_sequence start with 1 increment by 1; + +create table Football_Player ( + id bigint not null, + name varchar(255), + primary key (id) +); + +insert into + Football_Player + (name, id) + values + ('Cristiano Ronaldo', next value for hibernate_sequence); + +insert into + Football_Player + (name, id) + values + ('Lionel Messi', next value for hibernate_sequence); + +insert into + Football_Player + (name, id) + values + ('Gigi Buffon', next value for hibernate_sequence); \ No newline at end of file diff --git a/persistence-modules/hibernate5-queries/src/test/resources/profile.png b/persistence-modules/hibernate5-queries/src/test/resources/profile.png new file mode 100644 index 0000000000..1cd4e978b9 Binary files /dev/null and b/persistence-modules/hibernate5-queries/src/test/resources/profile.png differ