Examples with ObjectOutputStream java.io.ObjectOutputStream used on opensource projects

Example 71 with ObjectOutputStream

use of java.io.ObjectOutputStream in project hibernate-orm by hibernate.

the class EntityManagerFactorySerializationTest method testSerialization.

@Test
public void testSerialization() throws Exception {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    ObjectOutput out = new ObjectOutputStream(stream);
    out.writeObject(entityManagerFactory());
    out.close();
    byte[] serialized = stream.toByteArray();
    stream.close();
    ByteArrayInputStream byteIn = new ByteArrayInputStream(serialized);
    ObjectInputStream in = new ObjectInputStream(byteIn);
    EntityManagerFactory serializedFactory = (EntityManagerFactory) in.readObject();
    in.close();
    byteIn.close();
    EntityManager em = serializedFactory.createEntityManager();
    //em.getTransaction().begin();
    //em.setFlushMode( FlushModeType.NEVER );
    Cat cat = new Cat();
    cat.setAge(3);
    cat.setDateOfBirth(new Date());
    cat.setLength(22);
    cat.setName("Kitty");
    em.persist(cat);
    Item item = new Item();
    item.setName("Train Ticket");
    item.setDescr("Paris-London");
    em.persist(item);
    //em.getTransaction().commit();
    //em.getTransaction().begin();
    item.setDescr("Paris-Bruxelles");
    //em.getTransaction().commit();
    //fake the in container work
    ((HibernateEntityManager) em).getSession().disconnect();
    stream = new ByteArrayOutputStream();
    out = new ObjectOutputStream(stream);
    out.writeObject(em);
    out.close();
    serialized = stream.toByteArray();
    stream.close();
    byteIn = new ByteArrayInputStream(serialized);
    in = new ObjectInputStream(byteIn);
    em = (EntityManager) in.readObject();
    in.close();
    byteIn.close();
    //fake the in container work
    em.getTransaction().begin();
    item = em.find(Item.class, item.getName());
    item.setDescr(item.getDescr() + "-Amsterdam");
    cat = (Cat) em.createQuery("select c from " + Cat.class.getName() + " c").getSingleResult();
    cat.setLength(34);
    em.flush();
    em.remove(item);
    em.remove(cat);
    em.flush();
    em.getTransaction().commit();
    em.close();
}

Example 72 with ObjectOutputStream

use of java.io.ObjectOutputStream in project hibernate-orm by hibernate.

the class EntityManagerSerializationTest method testSerialization.

@Test
public void testSerialization() throws Exception {
    EntityManager em = entityManagerFactory().createEntityManager();
    //em.getTransaction().begin();
    //em.setFlushMode( FlushModeType.NEVER );
    Cat cat = new Cat();
    cat.setAge(3);
    cat.setDateOfBirth(new Date());
    cat.setLength(22);
    cat.setName("Kitty");
    em.persist(cat);
    Item item = new Item();
    item.setName("Train Ticket");
    item.setDescr("Paris-London");
    em.persist(item);
    //em.getTransaction().commit();
    //em.getTransaction().begin();
    item.setDescr("Paris-Bruxelles");
    //em.getTransaction().commit();
    //fake the in container work
    ((HibernateEntityManager) em).getSession().disconnect();
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    ObjectOutput out = new ObjectOutputStream(stream);
    out.writeObject(em);
    out.close();
    byte[] serialized = stream.toByteArray();
    stream.close();
    ByteArrayInputStream byteIn = new ByteArrayInputStream(serialized);
    ObjectInputStream in = new ObjectInputStream(byteIn);
    em = (EntityManager) in.readObject();
    in.close();
    byteIn.close();
    //fake the in container work
    em.getTransaction().begin();
    item = em.find(Item.class, item.getName());
    item.setDescr(item.getDescr() + "-Amsterdam");
    cat = (Cat) em.createQuery("select c from " + Cat.class.getName() + " c").getSingleResult();
    cat.setLength(34);
    em.flush();
    em.remove(item);
    em.remove(cat);
    em.flush();
    em.getTransaction().commit();
    em.close();
}

Example 73 with ObjectOutputStream

use of java.io.ObjectOutputStream in project hibernate-orm by hibernate.

the class GetterSetterSerializationTest method testProtectedMethodSetter.

@Test
@TestForIssue(jiraKey = "HHH-11202")
public void testProtectedMethodSetter() throws Exception {
    final AnEntity entity = new AnEntity(new PK(1L));
    final Getter getter = new GetterMethodImpl(AnEntity.class, "pk", ReflectHelper.findGetterMethod(AnEntity.class, "pk"));
    final Setter setter = new SetterMethodImpl(AnEntity.class, "pk", ReflectHelper.findSetterMethod(AnEntity.class, "pk", PK.class));
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(setter);
    final ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
    final Setter setterClone = (Setter) ois.readObject();
    final PK pkNew = new PK(2L);
    setterClone.set(entity, pkNew, null);
    assertSame(pkNew, getter.get(entity));
}

Example 74 with ObjectOutputStream

use of java.io.ObjectOutputStream in project hibernate-orm by hibernate.

the class GetterSetterSerializationTest method testProtectedMethodGetter.

@Test
@TestForIssue(jiraKey = "HHH-11202")
public void testProtectedMethodGetter() throws Exception {
    final AnEntity entity = new AnEntity(new PK(1L));
    final Getter getter = new GetterMethodImpl(AnEntity.class, "pk", ReflectHelper.findGetterMethod(AnEntity.class, "pk"));
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(getter);
    final ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
    final Getter getterClone = (Getter) ois.readObject();
    assertSame(getter.get(entity), getterClone.get(entity));
}

Example 75 with ObjectOutputStream

use of java.io.ObjectOutputStream in project hibernate-orm by hibernate.

the class GetterSetterSerializationTest method testPrivateFieldSetter.

@Test
@TestForIssue(jiraKey = "HHH-11202")
public void testPrivateFieldSetter() throws Exception {
    AnEntity entity = new AnEntity(new PK(1L));
    final Getter getter = new GetterFieldImpl(AnEntity.class, "pk", ReflectHelper.findField(AnEntity.class, "pk"));
    final Setter setter = new SetterFieldImpl(AnEntity.class, "pk", ReflectHelper.findField(AnEntity.class, "pk"));
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(setter);
    final ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
    final Setter setterClone = (Setter) ois.readObject();
    final PK pkNew = new PK(2L);
    setterClone.set(entity, pkNew, null);
    assertSame(pkNew, getter.get(entity));
}