AppTest.java

package net.saga.android.orienttests;

import net.saga.android.orienttests.vo.Person;
import com.orientechnologies.orient.core.sql.query.OSQLSynchQuery;
import com.orientechnologies.orient.object.db.OObjectDatabaseTx;
import java.util.List;
import java.util.logging.Logger;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;

/**
 * Unit test for simple App.
 */

public class AppTest {
    private static OObjectDatabaseTx db;

    public AppTest() {
    }
    
    @BeforeClass
    public static void setUpDatabase(){
        db = new OObjectDatabaseTx("memory:petshop").create();
        seedData();
    }
    
    @AfterClass
    public static void shutDownDatabase(){
        db.close();
    }
    
    private static void seedData() {
        db.getEntityManager().registerEntityClasses("net.saga.android.orienttests.vo");
    }
    
    @Before
    public void beginTransaction() {
        db.begin();
    }
    
    @After
    public void rollBack() {
        db.rollback();
    }

    @org.junit.Test
    public void testSaveFetch() {
        
        Person person = new Person();
        person.setName("Person 1");
        person.setCity("City 1");
        db.save(person);
        List<Person> result = db.query(new OSQLSynchQuery<Person>("select * from Person"));
        Logger.getAnonymousLogger().fine(result.get(0).getRecordId() + " && " + result.get(0).getVersion());
        Assert.assertEquals(1, result.size());
        
    }

    @org.junit.Test
    public void testRollBack() {
        
        List<Person> result = db.query(new OSQLSynchQuery<Person>("select * from Person"));
        Assert.assertEquals(0, result.size());
        
        Person person = new Person();
        person.setName("Person 1");
        person.setCity("City 1");
        db.save(person);
        result = db.query(new OSQLSynchQuery<Person>("select * from Person"));
        Assert.assertEquals(1, result.size());
        
    }
    
}

Person.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package net.saga.android.orienttests.vo;

import javax.persistence.Id;
import javax.persistence.Version;

/**
 *
 * @author summers
 */
public class Person {

    @Id
    private Object recordId;
     
  @Version
  private Object version; 
    private String name;
    private String city;

    public Object getRecordId() {
        return recordId;
    }

    public Object getVersion() {
        return version;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getCity() {
        return city;
    }

    public void setCity(String city) {
        this.city = city;
    }
    
    
    
}