How to use

updateEntity

method

in

com.oberasoftware.jasdb.api.session.EntityBag

@Override
public Entity persist(Object persistableObject) throws JasDBStorageException {
  MapResult mappedResult = ENTITY_MAPPER.mapTo(persistableObject);
  String bagName = mappedResult.getBagName();
  EntityBag bag = session.createOrGetBag(bagName);
  Entity persistedEntity;
  try {
    Entity entity = mappedResult.getJasDBEntity();
    if(StringUtils.stringNotEmpty(entity.getInternalId()) && bag.getEntity(entity.getInternalId()) != null) {
      //update
      persistedEntity = bag.updateEntity(mappedResult.getJasDBEntity());
      LOG.debug("Updated entity: {} in bag: {}", persistedEntity, bagName);
    } else {
      persistedEntity = bag.addEntity(mappedResult.getJasDBEntity());
      LOG.debug("Created entity: {} in bag: {}", persistedEntity, bagName);
    }
  } catch(RuntimeJasDBException e) {
    //we do this in case we have exactly two threads at same time trying to persist
    persistedEntity = bag.updateEntity(mappedResult.getJasDBEntity());
    LOG.debug("Updated entity: {} in bag: {}", persistedEntity, bagName);
  }
  //update the ID of the passed object
  ENTITY_MAPPER.updateId(persistedEntity.getInternalId(), persistableObject);
  return persistedEntity;
}

@Test
public void testRandomPersistUpdate() throws Exception {
  String[] cities = new String[] {"Amsterdam", "Rotterdam", "Utrecht", "Groningen", "Haarlem", "Den Haag", "Maastricht", "Eindhoven"};
  int testSize = 1000;
  DBSession session = sessionFactory.createSession();
  EntityBag bag = session.createOrGetBag("testbag");
  bag.ensureIndex(new SimpleIndexField("city", new StringKeyType()), false);
  bag.ensureIndex(new SimpleIndexField("itemId", new LongKeyType()), true);
  try {
    Map<String, Integer> cityCounts = generateCities(testSize, bag);
    assertCityIndexes(bag, cities, cityCounts);
    for(int i=200; i<400; i++) {
      QueryExecutor executor = bag.find(QueryBuilder.createBuilder().field("itemId").value((long)i));
      QueryResult result = executor.execute();
      for(Entity entity : result) {
        String city = entity.getProperty("city").getFirstValueObject().toString();
        entity.setProperty("city", "unknown");
        bag.updateEntity(entity);
        changeCityCount(city, cityCounts, false);
        changeCityCount("unknown", cityCounts, true);
      }
    }
    assertCityIndexes(bag, cities, cityCounts);
  } finally {
    JasDBMain.shutdown();
  }
}

@Test
public void testRandomPersistUpdateBigRecordUpdate() throws Exception {
  String htmlData = ResourceUtil.getContent("datasets/htmlpage.data", "UTF-8");
  int testSize = 1000;
  DBSession session = sessionFactory.createSession();
  EntityBag bag = session.createOrGetBag("testbag");
  bag.ensureIndex(new SimpleIndexField("city", new StringKeyType()), false);
  bag.ensureIndex(new SimpleIndexField("itemId", new LongKeyType()), true);
  try {
    Map<String, Integer> cityCounts = generateCities(testSize, bag);
    assertCityIndexes(bag, cities, cityCounts);
    for(int i=200; i<400; i++) {
      QueryExecutor executor = bag.find(QueryBuilder.createBuilder().field("itemId").value((long)i));
      QueryResult result = executor.execute();
      for(Entity entity : result) {
        String city = entity.getProperty("city").getFirstValueObject().toString();
        entity.setProperty("city", "unknown");
        entity.setProperty("bigdatafield", htmlData);
        bag.updateEntity(entity);
        changeCityCount(city, cityCounts, false);
        changeCityCount("unknown", cityCounts, true);
      }
    }
    assertCityIndexes(bag, cities, cityCounts);
  } finally {
    JasDBMain.shutdown();
  }
}

assertEquals(entity1Id, entity1.getInternalId());
entity1.addProperty("testProperty", "My value for entity 1");
bag.updateEntity(entity1);
assertEquals(entity2Id, entity2.getInternalId());
entity2.addProperty("someProp", "Value 1 smaller");
bag.updateEntity(entity2);

bag.updateEntity(new SimpleEntity(controllerEntityId).addProperty("controllerId", "Renzes-MacBook-Pro-2.local")
    .addProperty("plugins", "7158f3ec-681f-4d9b-9ab1-6ab6c60288e3").addProperty("type", "controller"));
bag.updateEntity(new SimpleEntity(pluginEntityId)
    .addProperty("controllerId", "Renzes-MacBook-Pro-2.local").addProperty("pluginId", "zwave")
    .addProperty("name", "ZWave provider").addProperty("type", "plugin"));