com.cory.service.BaseService Maven / Gradle / Ivy
package com.cory.service;
import com.alibaba.fastjson.JSON;
import com.cory.constant.ErrorCode;
import com.cory.dao.BaseDao;
import com.cory.exception.CoryException;
import com.cory.model.ActionLog;
import com.cory.model.BaseModel;
import com.cory.page.Pagination;
import com.cory.util.ModelUtil;
import com.cory.web.util.ActionLogUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.compress.utils.Lists;
import org.apache.commons.lang3.StringUtils;
import org.springframework.transaction.annotation.Transactional;
import java.lang.reflect.Field;
import java.util.List;
import java.util.stream.Collectors;
/**
* Created by Cory on 2017/5/13.
* @author corypan
* @date 2017/5/13
*/
@Slf4j
public abstract class BaseService {
@Transactional(rollbackFor = Throwable.class)
public void add(T model) {
getDao().add(model);
if (actionLogEnable() && !model.getClass().equals(ActionLog.class)) {
ActionLogUtil.addActionLog(model.getClass().getName(), model.getId() + "", "添加数据");
}
}
@Transactional(rollbackFor = Throwable.class)
public void delete(T model) {
getDao().deleteById(model.getId());
if (actionLogEnable() && !model.getClass().equals(ActionLog.class)) {
ActionLogUtil.addActionLog(model.getClass().getName(), model.getId() + "", "删除数据");
}
}
@Transactional(rollbackFor = Throwable.class)
public void delete(int id) {
getDao().deleteById(id);
if (actionLogEnable()) {
ActionLogUtil.addActionLog(this.getClass().getName(), id + "", "根据ID删除数据");
}
}
@Transactional(rollbackFor = Throwable.class)
public void update(T model) {
T db = getDao().get(model.getId());
Field[] fields = db.getClass().getDeclaredFields();
if (null != fields && fields.length > 0) {
//将需要更新的字段设置
for (Field field : fields) {
com.cory.db.annotations.Field fieldAnno = field.getAnnotation(com.cory.db.annotations.Field.class);
if (null == fieldAnno || !fieldAnno.updateable()) {
continue;
}
field.setAccessible(true);
try {
field.set(db, field.get(model));
} catch (IllegalAccessException e) {
log.error("update fail, model: {}", JSON.toJSONString(model), e);
throw new CoryException(ErrorCode.SAVE_ERROR, "处理保存数据时失败");
}
}
}
ModelUtil.fillCreatorAndModifier(db);
beforeUpdate(model, db);
getDao().updateModel(db);
if (actionLogEnable() && !model.getClass().equals(ActionLog.class)) {
ActionLogUtil.addActionLog(model.getClass().getName(), model.getId() + "", "修改数据");
}
}
/**
* 在更新前的处理扩展点。已经将要更新的字段和数据库的合并了，如果有特殊处理的，可以在这里处理
* @param model 前端提交上来的数据
* @param dbModel 传入的更新字段和数据库的字段合并过的对象
*/
protected void beforeUpdate(T model, T dbModel) {}
public T get(int id) {
return fillOtherFields(getDao().get(id));
}
/**
* 如果没有code字段，则此方法抛错。如果有则自动执行查询
* @param code
* @return
*/
public T getByCode(String code) {
if (StringUtils.isBlank(code)) {
return null;
}
return fillOtherFields(getDao().getByCode(code));
}
/**
* 如果没有code字段，则此方法抛错。如果有则自动执行查询
* @param codeList
* @return
*/
public List getByCodeList(List codeList) {
if (CollectionUtils.isEmpty(codeList)) {
return Lists.newArrayList();
}
return fillOtherFields(getDao().getByCodeList(codeList));
}
/**
*
* @param pageNo starts from 1
* @param pageSize
* @param model
* @param sort default is ID DESC for empty sort
* @return
*/
public Pagination list(int pageNo, int pageSize, T model, String sort) {
if (StringUtils.isBlank(sort)) {
sort = "ID DESC";
}
if (pageNo < 1) {
pageNo = 1;
}
if (pageSize <= 0) {
pageSize = 20;
}
Pagination pagination = getDao().pagination(model, (pageNo - 1) * pageSize, pageSize, sort);
if (null != pagination) {
pagination.setPageNo(pageNo);
pagination.setPageSize(pageSize);
fillOtherFields(pagination.getList());
}
return pagination;
}
public abstract > D getDao();
/**
* 一般情况下不用覆写此方法，除非有特殊需求
* @param list
* @return
*/
protected List fillOtherFields(List list) {
if (CollectionUtils.isEmpty(list)) {
return list;
}
return list.stream().map(m -> fillOtherFields(m)).collect(Collectors.toList());
}
/**
* @param model 注意判断null
* @return
*/
protected T fillOtherFields(T model) {return model;}
/**
* 增删改时记录操作日志，默认不记录，如果需要可以复写返回true。其它方法可以自己写操作日志
* @return
*/
protected boolean actionLogEnable() {return false;}
}