新RabbitMQ精讲 提升工程实践能力 培养架构思维

V:ititit111222333

` @Autowired private ItemsMapper itemsMapper;

@Autowired
private ItemsSpecMapper itemsSpecMapper;

@Autowired
private ItemsParamMapper itemsParamMapper;

@Autowired
private ItemsImgMapper itemsImgMapper;

@Autowired
private ItemsCommentsMapper itemsCommentsMapper;

@Autowired
private ItemsCustomMapper itemsCustomMapper;

@Transactional(propagation = Propagation.SUPPORTS, rollbackFor = Exception.class)
@Override
public Items getById(String itemId) {
    return this.itemsMapper.selectByPrimaryKey(itemId);
}

@Transactional(propagation = Propagation.SUPPORTS, rollbackFor = Exception.class)
@Override
public ItemsParam getByItemId(String itemId) {
    Example example = new Example(ItemsParam.class);
    Example.Criteria criteria = example.createCriteria();
    Example.Criteria andEqualTo = criteria.andEqualTo("itemId", itemId);
    return itemsParamMapper.selectOneByExample(example);
}

@Transactional(propagation = Propagation.SUPPORTS, rollbackFor = Exception.class)
@Override
public List<ItemsSpec> getItemsSpecsByItemId(String itemId) {
    Example example = new Example(ItemsSpec.class);
    Example.Criteria criteria = example.createCriteria();
    Example.Criteria andEqualTo = criteria.andEqualTo("itemId", itemId);
    return itemsSpecMapper.selectByExample(example);
}

@Transactional(propagation = Propagation.SUPPORTS, rollbackFor = Exception.class)
@Override
public List<ItemsImg> getItemsImgListByItemId(String itemId) {
    Example example = new Example(ItemsSpec.class);
    Example.Criteria criteria = example.createCriteria();
    Example.Criteria andEqualTo = criteria.andEqualTo("itemId", itemId);
    return itemsImgMapper.selectByExample(example);
}

`