package tutego;

import java.sql.SQLException;
import com.j256.ormlite.dao.*;
import com.j256.ormlite.db.HsqldbDatabaseType;
import com.j256.ormlite.field.DatabaseField;
import com.j256.ormlite.jdbc.JdbcConnectionSource;
import com.j256.ormlite.support.ConnectionSource;
import com.j256.ormlite.table.*;

@DatabaseTable
class Contact
{
  @DatabaseField( generatedId = true )
  Long id;

  @DatabaseField
  String name;

  // Setter/Getter sparen
}

public class ORMLiteDemo
{
  public static void main( String[] args )
  {
    System.setProperty( "tutegoHsqldbDatabasePath", "TutegoDB" );
    String url = "jdbc:hsqldb:file:${tutegoHsqldbDatabasePath};shutdown=true";
    ConnectionSource connectionSource;
    try {
      connectionSource = new JdbcConnectionSource( url, "sa", "", new HsqldbDatabaseType() );
      Dao<Contact, String> dao = DaoManager.createDao( connectionSource, Contact.class );
//      TableUtils.createTable( connectionSource, Contact.class );

      Contact c1 = new Contact();
      c1.name = "Chris";
      dao.create( c1 );
      Contact c2 = new Contact();
      c2.name = "Juvy";
      dao.create( c2 );

      Contact c3 = dao.queryForId( "1" );
      System.out.println( c3.name );
      connectionSource.close();
    }
    catch ( SQLException e ) {
      e.printStackTrace();
    }
  }
}

1. Klassen annotieren mit den ORMLite-Annotationen oder mit JPA-Annotationen

2. Sind die Tabellen nicht da, muss man TableUtils.createTable( connectionSource, Contact.class ); aufrufen, dann erzeugt ORMLite die Tabellen.

3. Der Rest ist einfach, siehe Beispiel 🙂

Mehr unter http://ormlite.com/.