diff --git a/hibernate5/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java b/hibernate5/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java new file mode 100644 index 0000000000..7813e89a48 --- /dev/null +++ b/hibernate5/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java @@ -0,0 +1,75 @@ +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 designation; + + 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 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 getDesignation() { + return designation; + } + + public void setDesignation(String designation) { + this.designation = designation; + } +} diff --git a/hibernate5/src/main/resources/init_database.sql b/hibernate5/src/main/resources/init_database.sql new file mode 100644 index 0000000000..154a5a0bc0 --- /dev/null +++ b/hibernate5/src/main/resources/init_database.sql @@ -0,0 +1,10 @@ +CREATE ALIAS UPDATE_EMPLOYEE_DESIGNATION AS $$ +import java.sql.CallableStatement; +import java.sql.Connection; +import java.sql.SQLException; +@CODE +void updateEmployeeDesignation(final Connection conn, final String employeeNumber, final String designation) throws SQLException { + CallableStatement updateStatement = conn.prepareCall("update deptemployee set designation = '" + designation + "' where employeeNumber = '" + employeeNumber + "'"); + updateStatement.execute(); +} +$$; \ No newline at end of file diff --git a/hibernate5/src/test/java/com/baeldung/hibernate/NamedQueryIntegrationTest.java b/hibernate5/src/test/java/com/baeldung/hibernate/NamedQueryIntegrationTest.java new file mode 100644 index 0000000000..ef6ec89bc4 --- /dev/null +++ b/hibernate5/src/test/java/com/baeldung/hibernate/NamedQueryIntegrationTest.java @@ -0,0 +1,103 @@ +package com.baeldung.hibernate; + +import java.io.IOException; + +import org.hibernate.Session; +import org.hibernate.Transaction; +import org.hibernate.query.NativeQuery; +import org.hibernate.query.Query; +import org.junit.After; +import org.junit.Assert; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import com.baeldung.hibernate.entities.Department; +import com.baeldung.hibernate.entities.DeptEmployee; + +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/hibernate5/src/test/resources/hibernate-namedquery.properties b/hibernate5/src/test/resources/hibernate-namedquery.properties new file mode 100644 index 0000000000..457f965347 --- /dev/null +++ b/hibernate5/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/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java index 8b5d9c41f3..6510e70650 100644 --- a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/entities/DeptEmployee.java @@ -1,7 +1,17 @@ package com.baeldung.hibernate.entities; -import javax.persistence.*; +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 @@ -16,7 +26,7 @@ public class DeptEmployee { @ManyToOne private Department department; - + public DeptEmployee(String name, String employeeNumber, Department department) { this.name = name; this.employeeNumber = employeeNumber;