public class DiffListUtils {
    public static List<SceneTemplateRelationDO> getDifferent(List<SceneTemplateRelationDO> preList,List<SceneTemplateRelationDO> curList){
        ArrayList<SceneTemplateRelationDO> diffList = new ArrayList<>();
        Map<SceneTemplateRelationDO,Integer> map = new HashMap<>();
        for (SceneTemplateRelationDO relationDO : curList){
            map.put(relationDO,1);
        }
        for (SceneTemplateRelationDO relationDO : preList){
            if (map.get(relationDO) != null){
                map.put(relationDO,2);
                continue;
            }
            diffList.add(relationDO);
        }
        for (Map.Entry<SceneTemplateRelationDO,Integer> entry : map.entrySet()){
            if (entry.getValue() == 1){
                diffList.add(entry.getKey());
            }
        }

        return diffList;
    }
}

/**
*重写实体类
*/
@Override
    public boolean equals(Object obj){
        if (obj instanceof SceneTemplateRelationDO){
            SceneTemplateRelationDO str = (SceneTemplateRelationDO)obj;
            return (getSceneId().equals(str.getSceneId()) && getTemplateId().equals(str.getTemplateId()));
        } else {
            return super.equals(obj);
        }
    }


    @Override
    public int hashCode(){
        return Objects.hash(getSceneId(),getTemplateId());
    }



//逻辑
public class ServiceTemplateService {

    @Test
    public void test(){
        ServiceTemplateDAO serviceTemplateDAO = new ServiceTemplateDAOImpl();
        SceneTemplateRelationDAO sceneTemplateRelationDAO = new SceneTemplateRelationDAOImpl();
        try {
            List<Long> list = new ArrayList<Long>();
            list.add(2L);
            list.add(6L);
            list.add(7L);
            list.add(8L);
            System.out.println(list);
            ServiceTemplateDTO templateDTO = new ServiceTemplateDTO();
            templateDTO.setId(2L);
            templateDTO.setCode("ceshicode2");
            templateDTO.setName("前端模板2");
            templateDTO.setServiceLineId(1L);
            templateDTO.setServiceSceneId(list);

            ServiceTemplateDO templateDO = copy(templateDTO);
            List<SceneTemplateRelationDO> qrelationDOList = new ArrayList<SceneTemplateRelationDO>();
            List<Long> sceneIdList = templateDTO.getServiceSceneId();
            for (Long sceneId : sceneIdList){
                SceneTemplateRelationDO relationDO = new SceneTemplateRelationDO();
                relationDO.setTemplateId(templateDTO.getId());
                relationDO.setSceneId(sceneId);
                qrelationDOList.add(relationDO);
            }
            System.out.println(qrelationDOList);

            Integer rowCount = serviceTemplateDAO.update(templateDO);
            System.out.println(rowCount);

            List<SceneTemplateRelationDO> crelationDOList = sceneTemplateRelationDAO.selectByTemplateId(templateDTO.getId());
            System.out.println(crelationDOList);
            if(crelationDOList != null){
                List<SceneTemplateRelationDO> diffList = DiffListUtils.getDifferent(qrelationDOList, crelationDOList);
                for (SceneTemplateRelationDO sceneTemplateRelationDO : diffList){
                    System.out.println("sceneTemplateRelationDO----->"+sceneTemplateRelationDO);
                    System.out.println("qrelationDOList----->"+qrelationDOList);
                    System.out.println("crelationDOList----->"+crelationDOList);
                    System.out.println("diffList----->"+ diffList);
                    Integer status = sceneTemplateRelationDO.getStatus();
                    System.out.println("status++++++"+status);
                    if(null == status){
                        Long insert = sceneTemplateRelationDAO.insert(sceneTemplateRelationDO);
                        System.out.println("insert++++++"+insert);
                        continue;
                    }
                    if (status == 1){
                        sceneTemplateRelationDO.setStatus(0);
                        Integer update = sceneTemplateRelationDAO.update(sceneTemplateRelationDO);
                        System.out.println("update===status==1------>"+update);
                        continue;
                    }
                    sceneTemplateRelationDO.setStatus(1);
                    Integer update = sceneTemplateRelationDAO.update(sceneTemplateRelationDO);
                    System.out.println("update===status==0------->"+update);
                    }
                }
            } catch (SQLException e) {
            e.printStackTrace();
        }
    }
    private static ServiceTemplateDO copy(ServiceTemplateDTO serviceTemplateDTO){
        ServiceTemplateDO serviceTemplateDO = new ServiceTemplateDO();
        serviceTemplateDO.setId(serviceTemplateDTO.getId());
        serviceTemplateDO.setCode(serviceTemplateDTO.getCode());
        serviceTemplateDO.setName(serviceTemplateDTO.getName());
        serviceTemplateDO.setStatus(serviceTemplateDTO.getStatus());
        serviceTemplateDO.setServiceLineId(serviceTemplateDTO.getServiceLineId());
        return serviceTemplateDO;
    }
}