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BAEL-1334 Guide to Hibernate Spatial (#3139)

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* BAEL-1334 Guide to Hibernate Spatial

* BAEL-1334 Guide to Hibernate Spatial

Moving the files to hibernate5 from libraries

* Reverting the pom file
This commit is contained in:
Yasin 2017-12-01 14:10:03 +05:30 committed by Grzegorz Piwowarek
parent 2ad2d4d820
commit a94f98b631
5 changed files with 179 additions and 5 deletions
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22
hibernate5/pom.xml
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@ -17,12 +17,15 @@
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- Maven plugins -->
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
</properties>
<hibernate.version>5.2.12.Final</hibernate.version>
<mysql.version>6.0.6</mysql.version>
<mariaDB4j.version>2.2.3</mariaDB4j.version>
</properties>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.12.Final</version>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
@ -40,6 +43,21 @@
<artifactId>h2</artifactId>
<version>1.4.194</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-spatial</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<groupId>ch.vorburger.mariaDB4j</groupId>
<artifactId>mariaDB4j</artifactId>
<version>${mariaDB4j.version}</version>
</dependency>
</dependencies>
<build>
<finalName>hibernate5</finalName>

14
hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java
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@ -5,6 +5,7 @@ import com.baeldung.hibernate.pojo.EntityDescription;
import com.baeldung.hibernate.pojo.OrderEntry;
import com.baeldung.hibernate.pojo.OrderEntryIdClass;
import com.baeldung.hibernate.pojo.OrderEntryPK;
import com.baeldung.hibernate.pojo.PointEntity;
import com.baeldung.hibernate.pojo.Product;
import com.baeldung.hibernate.pojo.Phone;
import com.baeldung.hibernate.pojo.TemporalValues;
@ -23,6 +24,7 @@ import com.baeldung.hibernate.pojo.inheritance.Person;
import com.baeldung.hibernate.pojo.inheritance.Pet;
import com.baeldung.hibernate.pojo.inheritance.Vehicle;
import org.apache.commons.lang3.StringUtils;
import org.hibernate.SessionFactory;
import org.hibernate.boot.Metadata;
import org.hibernate.boot.MetadataSources;
@ -36,8 +38,14 @@ import java.util.Properties;
public class HibernateUtil {
private static SessionFactory sessionFactory;
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;
if (sessionFactory == null) {
ServiceRegistry serviceRegistry = configureServiceRegistry();
sessionFactory = makeSessionFactory(serviceRegistry);
@ -70,6 +78,7 @@ public class HibernateUtil {
metadataSources.addAnnotatedClass(Vehicle.class);
metadataSources.addAnnotatedClass(Car.class);
metadataSources.addAnnotatedClass(Bag.class);
metadataSources.addAnnotatedClass(PointEntity.class);
Metadata metadata = metadataSources.buildMetadata();
return metadata.getSessionFactoryBuilder()
@ -86,12 +95,11 @@ public class HibernateUtil {
private static Properties getProperties() throws IOException {
Properties properties = new Properties();
URL propertiesURL = Thread.currentThread()
.getContextClassLoader()
.getResource("hibernate.properties");
.getContextClassLoader()
.getResource(StringUtils.defaultString(PROPERTY_FILE_NAME, "hibernate.properties"));
try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) {
properties.load(inputStream);
}
return properties;
}
}

41
hibernate5/src/main/java/com/baeldung/hibernate/pojo/PointEntity.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.hibernate.pojo;
import com.vividsolutions.jts.geom.Point;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
@Entity
public class PointEntity {
@Id
@GeneratedValue
private Long id;
private Point point;
public PointEntity() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Point getPoint() {
return point;
}
public void setPoint(Point point) {
this.point = point;
}
@Override
public String toString() {
return "PointEntity{" + "id=" + id + ", point=" + point + '}';
}
}

97
hibernate5/src/test/java/com/baeldung/hibernate/HibernateSpatialTest.java Normal file
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@ -0,0 +1,97 @@
package com.baeldung.hibernate;
import com.baeldung.hibernate.pojo.PointEntity;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.io.ParseException;
import com.vividsolutions.jts.io.WKTReader;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import javax.persistence.Query;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class HibernateSpatialTest {
private Session session;
private Transaction transaction;
@Before
public void setUp() throws IOException {
session = HibernateUtil.getSessionFactory("hibernate-spatial.properties")
.openSession();
transaction = session.beginTransaction();
}
@After
public void tearDown() {
transaction.rollback();
session.close();
}
@Test
public void shouldConvertWktToGeometry() throws ParseException {
Geometry geometry = wktToGeometry("POINT (2 5)");
assertEquals("Point", geometry.getGeometryType());
assertTrue(geometry instanceof Point);
}
@Test
public void shouldInsertAndSelectPoints() throws ParseException {
PointEntity entity = new PointEntity();
entity.setPoint((Point) wktToGeometry("POINT (1 1)"));
session.persist(entity);
PointEntity fromDb = session.find(PointEntity.class, entity.getId());
assertEquals("POINT (1 1)", fromDb.getPoint().toString());
}
@Test
public void shouldSelectDisjointPoints() throws ParseException {
insertPoint("POINT (1 2)");
insertPoint("POINT (3 4)");
insertPoint("POINT (5 6)");
Point point = (Point) wktToGeometry("POINT (3 4)");
Query query = session.createQuery("select p from PointEntity p "
+ "where disjoint(p.point, :point) = true", PointEntity.class);
query.setParameter("point", point);
assertEquals("POINT (1 2)", ((PointEntity) query.getResultList().get(0)).getPoint().toString());
assertEquals("POINT (5 6)", ((PointEntity) query.getResultList().get(1)).getPoint().toString());
}
@Test
public void shouldSelectAllPointsWithinPolygon() throws ParseException {
insertPoint("POINT (1 1)");
insertPoint("POINT (1 2)");
insertPoint("POINT (3 4)");
insertPoint("POINT (5 6)");
Query query = session.createQuery("select p from PointEntity p where within(p.point, :area) = true",
PointEntity.class);
query.setParameter("area", wktToGeometry("POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))"));
assertEquals(3, query.getResultList().size());
assertEquals("POINT (1 1)", ((PointEntity) query.getResultList().get(0)).getPoint().toString());
assertEquals("POINT (1 2)", ((PointEntity) query.getResultList().get(1)).getPoint().toString());
assertEquals("POINT (3 4)", ((PointEntity) query.getResultList().get(2)).getPoint().toString());
}
private void insertPoint(String point) throws ParseException {
PointEntity entity = new PointEntity();
entity.setPoint((Point) wktToGeometry(point));
session.persist(entity);
}
private Geometry wktToGeometry(String wellKnownText) throws ParseException {
WKTReader fromText = new WKTReader();
Geometry geom = null;
geom = fromText.read(wellKnownText);
return geom;
}
}

10
hibernate5/src/test/resources/hibernate-spatial.properties Normal file
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@ -0,0 +1,10 @@
hibernate.dialect=org.hibernate.spatial.dialect.mysql.MySQL56SpatialDialect
hibernate.connection.driver_class=com.mysql.jdbc.Driver
hibernate.connection.url=jdbc:mysql://localhost:3306/hibernate-spatial
hibernate.connection.username=root
hibernate.connection.password=pass
hibernate.connection.pool_size=5
hibernate.show_sql=true
hibernate.format_sql=true
hibernate.max_fetch_depth=5
hibernate.hbm2ddl.auto=create-drop