diff --git a/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java b/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java index 25fc0d7b02..130edec8cc 100644 --- a/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java +++ b/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java @@ -81,6 +81,7 @@ public class HibernateUtil { metadataSources.addAnnotatedClass(Bag.class); metadataSources.addAnnotatedClass(PointEntity.class); metadataSources.addAnnotatedClass(PolygonEntity.class); + metadataSources.addAnnotatedClass(com.baeldung.hibernate.pojo.Person.class); Metadata metadata = metadataSources.buildMetadata(); return metadata.getSessionFactoryBuilder() diff --git a/hibernate5/src/main/java/com/baeldung/hibernate/converters/PersonNameConverter.java b/hibernate5/src/main/java/com/baeldung/hibernate/converters/PersonNameConverter.java new file mode 100644 index 0000000000..c8b3397b09 --- /dev/null +++ b/hibernate5/src/main/java/com/baeldung/hibernate/converters/PersonNameConverter.java @@ -0,0 +1,43 @@ +package com.baeldung.hibernate.converters; + +import javax.persistence.AttributeConverter; +import javax.persistence.Converter; + +import com.baeldung.hibernate.pojo.PersonName; + +@Converter +public class PersonNameConverter implements AttributeConverter { + + private static final String SEPARATOR = ", "; + + @Override + public String convertToDatabaseColumn(PersonName person) { + StringBuilder sb = new StringBuilder(); + if (person.getSurname() != null) { + sb.append(person.getSurname()); + sb.append(SEPARATOR); + } + + if (person.getName() != null) { + sb.append(person.getName()); + } + + return sb.toString(); + } + + @Override + public PersonName convertToEntityAttribute(String dbPerson) { + String[] pieces = dbPerson.split(SEPARATOR); + + if (pieces == null || pieces.length != 2) { + return null; + } + + PersonName personName = new PersonName(); + personName.setSurname(pieces[0]); + personName.setName(pieces[1]); + + return personName; + } + +} diff --git a/hibernate5/src/main/java/com/baeldung/hibernate/pojo/Person.java b/hibernate5/src/main/java/com/baeldung/hibernate/pojo/Person.java new file mode 100644 index 0000000000..390a5954ed --- /dev/null +++ b/hibernate5/src/main/java/com/baeldung/hibernate/pojo/Person.java @@ -0,0 +1,32 @@ +package com.baeldung.hibernate.pojo; + +import javax.persistence.Convert; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; + +import com.baeldung.hibernate.converters.PersonNameConverter; + +@Entity(name = "PersonTable") +public class Person { + + @Id + @GeneratedValue + private Long id; + + @Convert(converter = PersonNameConverter.class) + private PersonName personName; + + public PersonName getPersonName() { + return personName; + } + + public void setPersonName(PersonName personName) { + this.personName = personName; + } + + public Long getId() { + return id; + } + +} diff --git a/hibernate5/src/main/java/com/baeldung/hibernate/pojo/PersonName.java b/hibernate5/src/main/java/com/baeldung/hibernate/pojo/PersonName.java new file mode 100644 index 0000000000..689afd463a --- /dev/null +++ b/hibernate5/src/main/java/com/baeldung/hibernate/pojo/PersonName.java @@ -0,0 +1,32 @@ +package com.baeldung.hibernate.pojo; + +import java.io.Serializable; + +import javax.persistence.Entity; + +@Entity +public class PersonName implements Serializable { + + private static final long serialVersionUID = 7883094644631050150L; + + private String name; + + private String surname; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getSurname() { + return surname; + } + + public void setSurname(String surname) { + this.surname = surname; + } + +} diff --git a/hibernate5/src/test/java/com/baeldung/hibernate/converter/PersonNameConverterTest.java b/hibernate5/src/test/java/com/baeldung/hibernate/converter/PersonNameConverterTest.java new file mode 100644 index 0000000000..6eb89713f5 --- /dev/null +++ b/hibernate5/src/test/java/com/baeldung/hibernate/converter/PersonNameConverterTest.java @@ -0,0 +1,73 @@ +package com.baeldung.hibernate.converter; + +import java.io.IOException; + +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.Person; +import com.baeldung.hibernate.pojo.PersonName; +import com.vividsolutions.jts.util.Assert; + +public class PersonNameConverterTest { + + private Session session; + private Transaction transaction; + + @Before + public void setUp() throws IOException { + session = HibernateUtil.getSessionFactory() + .openSession(); + transaction = session.beginTransaction(); + + session.createNativeQuery("delete from personTable") + .executeUpdate(); + + transaction.commit(); + transaction = session.beginTransaction(); + } + + @After + public void tearDown() { + transaction.rollback(); + session.close(); + } + + @Test + public void givenPersonName_WhenSaving_ThenNameAndSurnameConcat() { + final String name = "name"; + final String surname = "surname"; + + PersonName personName = new PersonName(); + personName.setName(name); + personName.setSurname(surname); + + Person person = new Person(); + person.setPersonName(personName); + + Long id = (Long) session.save(person); + + session.flush(); + session.clear(); + + String dbPersonName = (String) session.createNativeQuery("select p.personName from PersonTable p where p.id = :id") + .setParameter("id", id) + .getSingleResult(); + + Assert.equals(surname + ", " + name, dbPersonName); + + Person dbPerson = session.createNativeQuery("select * from PersonTable p where p.id = :id", Person.class) + .setParameter("id", id) + .getSingleResult(); + + Assert.equals(dbPerson.getPersonName() + .getName(), name); + Assert.equals(dbPerson.getPersonName() + .getSurname(), surname); + } + +}