Ian P. Christian's Personal Blog Random witterings from pookey

mvn archetype:generate --batch-mode \
  -DarchetypeArtifactId=maven-archetype-quickstart \
  -DgroupId=uk.co.pookey.hibernate \
  -DartifactId=hibernate

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>uk.co.pookey.hibernate</groupId>
  <artifactId>hibernate</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>hibernate</name>
  <url>http://maven.apache.org</url>
  <build>
    <plugins>
       <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>2.0.2</version>
          <configuration>
              <source>1.5</source>
              <target>1.5</target>
          </configuration>
      </plugin>
    </plugins>
  </build>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate</artifactId>
      <version>3.2.6.ga</version>
    </dependency>
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-annotations</artifactId>
      <version>3.3.1.GA</version>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.6</version>
    </dependency>
  </dependencies>
</project>

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
  <session-factory>
    <property name="connection.url">jdbc:mysql://localhost/hibernate</property>
    <property name="connection.username">root</property>
    <property name="connection.password">"Schipiaf2</property>
    <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
 
    <property name="show_sql">true</property>
 
    <property name="format_sql">true</property>
    <property name="hbm2ddl.auto">create</property>
 
    <!-- JDBC connection pool (use the built-in) -->
    <property name="connection.pool_size">1</property>
    <property name="current_session_context_class">thread</property>
 
  </session-factory>
</hibernate-configuration>

package uk.co.pookey.hibernate;
 
 
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;
 
public class App
{
    public static void main( String[] args )
    {
        SessionFactory sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
 
        Session session = sessionFactory.getCurrentSession();
 
    }
}

mvn clean compile exec:java -Dexec.mainClass=uk.co.pookey.hibernate.App

package uk.co.pookey.hibernate.model;
 
import java.util.Date;
 
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.GeneratedValue;
 
@Entity
public class Blog {
 
  private Long id;
 
  private String subject;
 
  private String body;
 
  private Date createdAt;
 
  @Id
  @GeneratedValue
  public Long getId() {
    return id;
  }
 
  public void setId(Long id) {
    this.id = id;
  }
 
  public String getSubject() {
    return subject;
  }
 
  public void setSubject(String subject) {
    this.subject = subject;
  }
 
  public String getBody() {
    return body;
  }
 
  public void setBody(String body) {
    this.body = body;
  }
 
  public Date getCreatedAt() {
    return createdAt;
  }
 
  public void setCreatedAt(Date createdAt) {
    this.createdAt = createdAt;
  }
}

<hibernate-configuration>  
  <session-factory>
  ....
    <mapping class="uk.co.pookey.hibernate.model.Blog" />
  </session-factory>
</hibernate-configuration>

package uk.co.pookey.hibernate;
 
import uk.co.pookey.hibernate.model.Blog;
 
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;
 
public class App
{
    public static void main( String[] args )
    {
        SessionFactory sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
 
        Session session = sessionFactory.getCurrentSession();
 
        Transaction tx = session.beginTransaction();
 
        Blog b = new Blog();
        session.save(b);
 
        tx.commit();
    }
}

$ mvn clean compile exec:java -Dexec.mainClass=uk.co.pookey.hibernate.App 
...
26-Sep-2008 22:46:56 org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: schema export complete
Hibernate:
    insert
    into
        Blog
        (body, createdAt, subject)
    values
        (?, ?, ?)
...