How to use

removeEntity

method

in

com.oberasoftware.jasdb.api.session.EntityBag

@Override
public void remove(Object persistableObject) throws JasDBStorageException {
  MapResult mappedResult = ENTITY_MAPPER.mapTo(persistableObject);
  String bagName = mappedResult.getBagName();
  EntityBag bag = session.createOrGetBag(bagName);
  bag.removeEntity(mappedResult.getJasDBEntity().getInternalId());
}

@Test
public void testDeleteEmptyIndexValue() throws Exception {
  try {
    DBSession session = sessionFactory.createSession();
    EntityBag bag = session.createOrGetBag("somebag");
    bag.ensureIndex(new SimpleIndexField("field", new StringKeyType()), false);
    String id = bag.addEntity(new SimpleEntity().addProperty("anotherfield", "somevalue")).getInternalId();
    bag.removeEntity(id);
  } finally {
    JasDBMain.shutdown();
  }
}

@Test
public void testPersisterRemove() throws Exception {
  int testSize = 1000;
  DBSession session = sessionFactory.createSession();
  EntityBag bag = session.createOrGetBag("testbag");
  bag.ensureIndex(new SimpleIndexField("city", new StringKeyType(100)), false);
  bag.ensureIndex(new SimpleIndexField("testField", new LongKeyType()), true);
  Random rnd = new Random();
  for(int i=0; i<testSize; i++) {
    int cityIdx = rnd.nextInt(SimpleBaseTest.possibleCities.length);
    String city = SimpleBaseTest.possibleCities[cityIdx];
    SimpleEntity entity = new SimpleEntity();
    entity.addProperty("city", city);
    entity.addProperty("testField", (long)i);
    bag.addEntity(entity);
  }
  for(String city : SimpleBaseTest.possibleCities) {
    QueryResult result = bag.find(QueryBuilder.createBuilder().field("city").value(city)).execute();
    for(Entity foundEntity : result) {
      Long testFieldValue = foundEntity.getProperty("testField").getFirstValueObject();
      bag.removeEntity(foundEntity);
      assertFalse("There should no longer be a result", bag.find(QueryBuilder.createBuilder().field("testField").value(testFieldValue)).execute().hasNext());
    }
    result = bag.find(QueryBuilder.createBuilder().field("city").value(city)).execute();
    assertEquals("There should no longer be any entity", (long) 0, result.size());
  }
}