本文整理了Java中com.j256.ormlite.dao.Dao.idExists()方法的一些代码示例，展示了Dao.idExists()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Dao.idExists()方法的具体详情如下：
包路径：com.j256.ormlite.dao.Dao
类名称：Dao
方法名：idExists

Dao.idExists介绍

[英]Returns true if an object exists that matches this ID otherwise false.
[中]如果存在与此ID匹配的对象，则返回true，否则返回false。

代码示例

代码示例来源：origin: BaronZ88/MinimalistWeather

public void insertOrUpdateWeather(Weather weather) throws SQLException {
  TransactionManager.callInTransaction(WeatherDatabaseHelper.getInstance(context).getConnectionSource(), (Callable<Void>) () -> {
    if (weatherDaoOperation.idExists(weather.getCityId())) {
      updateWeather(weather);
    } else {
      insertWeather(weather);
    }
    return null;
  });
}

代码示例来源：origin: QuickBlox/q-municate-android

@Override
public boolean exists(ID id) {
  try {
    return dao.idExists(id);
  } catch (SQLException e) {
    ErrorUtils.logError(e);
  }
  return false;
}

代码示例来源：origin: j256/ormlite-core

/**
 * @see Dao#idExists(Object)
 */
@Override
public boolean idExists(ID id) {
  try {
    return dao.idExists(id);
  } catch (SQLException e) {
    logMessage(e, "idExists threw exception on " + id);
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: com.j256.ormlite/ormlite-core

/**
 * @see Dao#idExists(Object)
 */
@Override
public boolean idExists(ID id) {
  try {
    return dao.idExists(id);
  } catch (SQLException e) {
    logMessage(e, "idExists threw exception on " + id);
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: QuickBlox/q-municate-android

@Override
public boolean exists(long id) {
  try {
    return dao.idExists(id);
  } catch (SQLException e) {
    ErrorUtils.logError(e);
  }
  return false;
}

代码示例来源：origin: j256/ormlite-core

@Test(expected = RuntimeException.class)
  public void testIdExists() throws Exception {
    @SuppressWarnings("unchecked")
    Dao<Foo, String> dao = (Dao<Foo, String>) createMock(Dao.class);
    RuntimeExceptionDao<Foo, String> rtDao = new RuntimeExceptionDao<Foo, String>(dao);
    String id = "eopwjfpwejf";
    expect(dao.idExists(id)).andThrow(new SQLException("Testing catch"));
    replay(dao);
    rtDao.idExists(id);
    verify(dao);
  }
}

代码示例来源：origin: j256/ormlite-core

@Test
public void testIfExists() throws Exception {
  Dao<Foo, Integer> dao = createDao(Foo.class, true);
  Foo foo = new Foo();
  assertFalse(dao.idExists(1));
  assertEquals(1, dao.create(foo));
  assertTrue(dao.idExists(1));
  assertFalse(dao.idExists(2));
}