Package com.google.appengine.datanucleus.test.jpa

Examples of com.google.appengine.datanucleus.test.jpa.HasVersionJPA

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    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 1L);
    Key key = ds.put(entity);

    String keyStr = KeyFactory.keyToString(key);
    beginTxn();
    HasVersionJPA hv = em.find(clazz, keyStr);

    // delete the entity in the datastore right before we commit
    ds.delete(key);
    em.remove(hv);
    try {
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    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 1L);
    Key key = ds.put(entity);

    String keyStr = KeyFactory.keyToString(key);
    beginTxn();
    HasVersionJPA hv = em.find(clazz, keyStr);

    hv.setValue("value");
    commitTxn();
    assertEquals(2L, hv.getVersion().longValue());
    // make sure the version gets bumped
    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 3L);

    beginTxn();
    hv = em.find(clazz, keyStr);
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    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 1L);
    Key key = ds.put(entity);

    String keyStr = KeyFactory.keyToString(key);
    beginTxn();
    HasVersionJPA hv = em.find(clazz, keyStr);

    // delete the entity in the datastore right before we commit
    ds.delete(key);
    hv.setValue("value");
    try {
      commitTxn();
      fail("expected optimistic exception");
    } catch (RollbackException re) {
      // good
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    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 1L);
    Key key = ds.put(entity);

    String keyStr = KeyFactory.keyToString(key);
    beginTxn();
    HasVersionJPA hv = em.find(clazz, keyStr);
    hv.setValue("value");
    commitTxn();
    assertEquals(2L, hv.getVersion().longValue());
    // make sure the version gets bumped
    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 3L);

    beginTxn();
    // we update the entity directly in the datastore right before commit
    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 7L);
    ds.put(entity);
    hv.setValue("another value");
    em.merge(hv);
    try {
      commitTxn();
      fail("expected optimistic exception");
    } catch (RollbackException re) {
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    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 1L);
    Key key = ds.put(entity);

    String keyStr = KeyFactory.keyToString(key);
    beginTxn();
    HasVersionJPA hv = em.find(clazz, keyStr);
    hv.setValue("value");
    commitTxn();
    assertEquals(2L, hv.getVersion().longValue());

    beginTxn();
    hv = em.find(clazz, keyStr);
    hv.setValue("a different value");
    commitTxn();
    assertEquals(3L, hv.getVersion().longValue());

    // make sure the version gets bumped
    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 4L);

    beginTxn();
    hv = em.find(clazz, keyStr);
    hv.setValue("another value");
    // we update the entity directly in the datastore right before commit
    entity.setProperty(DEFAULT_VERSION_PROPERTY_NAME, 7L);
    ds.put(entity);
    try {
      commitTxn();
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Related Classes of com.google.appengine.datanucleus.test.jpa.HasVersionJPA

  • com.google.appengine.datanucleus.jpa.JPAVersionTest
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