com.j256.ormlite.dao.Dao.delete()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中com.j256.ormlite.dao.Dao.delete()方法的一些代码示例，展示了Dao.delete()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.delete()方法的具体详情如下：
包路径：com.j256.ormlite.dao.Dao
类名称：Dao
方法名：delete

Dao.delete介绍

[英]Delete the objects that match the prepared statement parameter.
[中]删除与prepared语句参数匹配的对象。

代码示例

代码示例来源：origin: BaronZ88/MinimalistWeather

  1. private void delete(Weather data) throws SQLException {
  2.   weatherDaoOperation.delete(data);
  3. }

代码示例来源：origin: BaronZ88/MinimalistWeather

  1. private void updateWeather(Weather weather) throws SQLException {
  3.     weatherDaoOperation.update(weather);
  4.     apiDaoOperation.update(weather.getAirQualityLive());
  6.     //先删除旧数据
  7.     DeleteBuilder<WeatherForecast, Long> forecastDeleteBuilder = forecastDaoOperation.deleteBuilder();
  8.     forecastDeleteBuilder.where().eq(WeatherForecast.CITY_ID_FIELD_NAME, weather.getCityId());
  9.     PreparedDelete<WeatherForecast> forecastPrepared = forecastDeleteBuilder.prepare();
  10.     forecastDaoOperation.delete(forecastPrepared);
  11.     //再插入新数据
  12.     for (WeatherForecast weatherForecast : weather.getWeatherForecasts()) {
  13.       forecastDaoOperation.create(weatherForecast);
  14.     }
  16.     //先删除旧数据
  17.     DeleteBuilder<LifeIndex, Long> lifeIndexDeleteBuilder = lifeIndexesDaoOperation.deleteBuilder();
  18.     lifeIndexDeleteBuilder.where().eq(LifeIndex.CITY_ID_FIELD_NAME, weather.getCityId());
  19.     PreparedDelete<LifeIndex> lifeIndexPrepared = lifeIndexDeleteBuilder.prepare();
  20.     lifeIndexesDaoOperation.delete(lifeIndexPrepared);
  21.     //再插入新数据
  22.     for (LifeIndex index : weather.getLifeIndexes()) {
  23.       lifeIndexesDaoOperation.create(index);
  24.     }
  25.     realTimeDaoOperation.update(weather.getWeatherLive());
  26.   }
  27. }

代码示例来源：origin: j256/ormlite-core

  1. /**
  2.  * @see Dao#delete(Collection)
  3.  */
  4. @Override
  5. public int delete(Collection<T> datas) {
  6.   try {
  7.     return dao.delete(datas);
  8.   } catch (SQLException e) {
  9.     logMessage(e, "delete threw exception on: " + datas);
  10.     throw new RuntimeException(e);
  11.   }
  12. }

代码示例来源：origin: j256/ormlite-core

  1. /**
  2.  * A call through to the {@link Dao#delete(Object)}.
  3.  */
  4. public int delete() throws SQLException {
  5.   checkForDao();
  6.   @SuppressWarnings("unchecked")
  7.   T t = (T) this;
  8.   return dao.delete(t);
  9. }

代码示例来源：origin: j256/ormlite-core

  1. /**
  2.  * A short cut to {@link Dao#delete(PreparedDelete)}.
  3.  */
  4. public int delete() throws SQLException {
  5.   return dao.delete(prepare());
  6. }

代码示例来源：origin: j256/ormlite-core

  1. /**
  2.  * @see Dao#delete(PreparedDelete)
  3.  */
  4. @Override
  5. public int delete(PreparedDelete<T> preparedDelete) {
  6.   try {
  7.     return dao.delete(preparedDelete);
  8.   } catch (SQLException e) {
  9.     logMessage(e, "delete threw exception on: " + preparedDelete);
  10.     throw new RuntimeException(e);
  11.   }
  12. }

代码示例来源：origin: com.octo.android.robospice/robospice-ormlite

  1. public <T> void deleteFromDataBase(ForeignCollection<T> modelObjectCollection, Class<T> modelObjectClass) throws SQLException {
  2.   if (modelObjectCollection != null) {
  3.     Dao<T, ?> dao = getDao(modelObjectClass);
  4.     dao.delete(modelObjectCollection);
  5.   }
  6. }

代码示例来源：origin: org.mycontroller.standalone/mycontroller-core

  1. @Override
  2. public void delete(ResourcesLogs resourcesLogs) {
  3.   try {
  4.     int count = this.getDao().delete(resourcesLogs);
  5.     _logger.debug("ResourcesLogs:[{}] deleted, Delete count:{}", resourcesLogs, count);
  6.   } catch (SQLException ex) {
  7.     _logger.error("unable to delete a log:[{}]", resourcesLogs, ex);
  8.   }
  9. }

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

  1. /**
  2.  * A short cut to {@link Dao#delete(PreparedDelete)}.
  3.  */
  4. public int delete() throws SQLException {
  5.   return dao.delete(prepare());
  6. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = RuntimeException.class)
  2. public void testDeleteThrow() throws Exception {
  3.   @SuppressWarnings("unchecked")
  4.   Dao<Foo, String> dao = (Dao<Foo, String>) createMock(Dao.class);
  5.   RuntimeExceptionDao<Foo, String> rtDao = new RuntimeExceptionDao<Foo, String>(dao);
  6.   expect(dao.delete((Foo) null)).andThrow(new SQLException("Testing catch"));
  7.   replay(dao);
  8.   rtDao.delete((Foo) null);
  9.   verify(dao);
  10. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = RuntimeException.class)
  2. public void testDeleteCollectionThrow() throws Exception {
  3.   @SuppressWarnings("unchecked")
  4.   Dao<Foo, String> dao = (Dao<Foo, String>) createMock(Dao.class);
  5.   RuntimeExceptionDao<Foo, String> rtDao = new RuntimeExceptionDao<Foo, String>(dao);
  6.   expect(dao.delete((Collection<Foo>) null)).andThrow(new SQLException("Testing catch"));
  7.   replay(dao);
  8.   rtDao.delete((Collection<Foo>) null);
  9.   verify(dao);
  10. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = RuntimeException.class)
  2. public void testDeletePreparedThrow() throws Exception {
  3.   @SuppressWarnings("unchecked")
  4.   Dao<Foo, String> dao = (Dao<Foo, String>) createMock(Dao.class);
  5.   RuntimeExceptionDao<Foo, String> rtDao = new RuntimeExceptionDao<Foo, String>(dao);
  6.   expect(dao.delete((PreparedDelete<Foo>) null)).andThrow(new SQLException("Testing catch"));
  7.   replay(dao);
  8.   rtDao.delete((PreparedDelete<Foo>) null);
  9.   verify(dao);
  10. }

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

  1. @Test
  2. public void testDeleteObjectsNone() throws Exception {
  3.   Dao<Foo, Integer> fooDao = createDao(Foo.class, true);
  4.   List<Foo> fooList = new ArrayList<Foo>();
  5.   assertEquals(fooList.size(), fooDao.delete(fooList));
  6.   assertEquals(0, fooDao.queryForAll().size());
  7. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = SQLException.class)
  2. public void testDeleteObjectsNoId() throws Exception {
  3.   Dao<NoId, Object> noIdDao = createDao(NoId.class, true);
  4.   NoId noId = new NoId();
  5.   noId.stuff = "1";
  6.   assertEquals(1, noIdDao.create(noId));
  7.   ArrayList<NoId> noIdList = new ArrayList<NoId>();
  8.   noIdList.add(noId);
  9.   noIdDao.delete(noIdList);
  10. }

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

  1. @Override
  2.   public Void call() throws Exception {
  3.     // we do the delete
  4.     assertEquals(1, accountDao.delete(account));
  5.     assertNull(accountDao.queryForId(account.getId()));
  6.     // but then (as an example) we throw an exception which rolls back the delete
  7.     throw new Exception("We throw to roll back!!");
  8.   }
  9. });

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

  1. @Test
  2. public void testDeleteNull() throws Exception {
  3.   Dao<Foo, Integer> fooDao = createDao(Foo.class, true);
  4.   assertEquals(0, fooDao.delete((Foo) null));
  5. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testDelete() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   Foo foo = new Foo();
  5.   assertEquals(1, dao.create(foo));
  6.   assertNotNull(dao.queryForId(foo.id));
  7.   assertEquals(1, dao.delete(foo));
  8.   assertNull(dao.queryForId(foo.id));
  9.   assertEquals(0, dao.queryForAll().size());
  10. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testCreateReserverdTable() throws Exception {
  3.   Dao<Where, String> whereDao = createDao(Where.class, true);
  4.   String id = "from-string";
  5.   Where where = new Where();
  6.   where.id = id;
  7.   whereDao.create(where);
  8.   Where where2 = whereDao.queryForId(id);
  9.   assertEquals(id, where2.id);
  10.   assertEquals(1, whereDao.delete(where2));
  11.   assertNull(whereDao.queryForId(id));
  12. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testCreateReserverdTable() throws Exception {
  3.   Dao<Where, String> dao = createDao(Where.class, true);
  4.   String id = "from-string";
  5.   Where where = new Where();
  6.   where.id = id;
  7.   dao.create(where);
  8.   Where where2 = dao.queryForId(id);
  9.   assertEquals(id, where2.id);
  10.   assertEquals(1, dao.delete(where2));
  11.   assertNull(dao.queryForId(id));
  12. }

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

  1. @Test
  2. public void testCreateReserverdTable() throws Exception {
  3.   Dao<Create, String> whereDao = createDao(Create.class, true);
  4.   String id = "from-string";
  5.   Create where = new Create();
  6.   where.id = id;
  7.   assertEquals(1, whereDao.create(where));
  8.   Create where2 = whereDao.queryForId(id);
  9.   assertEquals(id, where2.id);
  10.   assertEquals(1, whereDao.delete(where2));
  11.   assertNull(whereDao.queryForId(id));
  12. }

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