Examples of org.hibernate.Transaction.commit()

org.hibernate.Transaction.commit()
Flush the associated Session and end the unit of work (unless we are in {@link FlushMode#MANUAL}.
This method will commit the underlying transaction if and only if the underlying transaction was initiated by this object. @throws HibernateException

    ogm.getUsers().add( bob );
    transaction.commit();


    transaction = session.beginTransaction();
    bob.setName( "Alice" );
    transaction.commit();
    session.clear();


    // then
    transaction = session.beginTransaction();
    bob = (User) session.get( User.class, "user-1" );

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    // then
    transaction = session.beginTransaction();
    bob = (User) session.get( User.class, "user-1" );
    assertThat( bob.getName() ).isEqualTo( "Alice" );
    assertThat( bob.getProjects() ).onProperty( "name" ).containsOnly( "OGM", "Search" );
    transaction.commit();
  }


  @Test(expected = StaleObjectStateException.class)
  public void concurrentUpdateToAssociationShouldCauseException() throws Exception {
    Animal animal = createAndPersistAnimal();

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    doConcurrentUpdateToTheZoosAnimals();


    Transaction transaction = session.beginTransaction();
    zoo.getAnimals().remove( zoo.getAnimals().iterator().next() );
    transaction.commit();
  }


  @Test(expected = StaleObjectStateException.class)
  public void concurrentUpdateToObjectShouldCauseExceptionWhenUpdatingAssociation() throws Exception {
    Animal animal = createAndPersistAnimal();

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    doConcurrentUpdateToZoo();


    Transaction transaction = session.beginTransaction();
    zoo.getAnimals().remove( zoo.getAnimals().iterator().next() );
    transaction.commit();
  }


  @Test
  public void concurrentUpdateToObjectShouldCauseNoExceptionWithAssociationExcludedFromOptimisticLocking() throws Exception {
    Project ogm = createAndPersistProjectWithContributor();

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    doConcurrentUpdateToProject();


    Transaction transaction = session.beginTransaction();
    ogm.setName( "OGM!" );
    transaction.commit();
    session.clear();


    transaction = session.beginTransaction();


    ogm = (Project) session.get( Project.class, "project-1" );

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    ogm = (Project) session.get( Project.class, "project-1" );
    assertThat( ogm.getName() ).isEqualTo( "OGM!" );
    assertThat( ogm.getMembers() ).onProperty( "name" ).containsOnly( "Davide", "Sanne" );


    transaction.commit();
  }


  private Animal createAndPersistAnimal() {
    Animal animal = new Animal();
    animal.setId( "animal-1" );

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    animal.setName( "Bruno" );


    Transaction transaction = session.beginTransaction();
    assertThat( animal.getRevision() ).isNull();
    session.persist( animal );
    transaction.commit();
    assertThat( animal.getRevision() ).isNotNull();


    return animal;
  }

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    animal.setName( "Berta" );


    Transaction transaction = session.beginTransaction();
    assertThat( animal.getRevision() ).isNull();
    session.persist( animal );
    transaction.commit();
    assertThat( animal.getRevision() ).isNotNull();


    return animal;
  }

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    zoo.setName( "Bagenhecks Tierpark" );
    zoo.getAnimals().add( animal );


    Transaction transaction = session.beginTransaction();
    session.persist( zoo );
    transaction.commit();


    return zoo;
  }


  private String doConcurrentUpdateToAnimal() throws Exception {

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        Session session = openSession();


        Transaction transaction = session.beginTransaction();
        final Animal animal = (Animal) session.get( Animal.class, "animal-1" );
        animal.setName( "Xavier" );
        transaction.commit();


        return animal.getRevision();
      }
    } ).get();
  }

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