com.yunmel.syncretic.core.BaseService.java Source code

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/*
 * Copyright (c) 2016 yunmle.com(?).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package com.yunmel.syncretic.core;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.persistence.Table;

import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.yunmel.syncretic.bean.BaseEntity;
import com.yunmel.syncretic.component.SpringUtils;
import com.yunmel.syncretic.utils.biz.Globle;
import com.yunmel.syncretic.utils.commons.StrUtils;
import com.yunmel.syncretic.utils.jse.RandomUtils;
import com.yunmel.syncretic.utils.jse.ThreadLocalUtils;

import tk.mybatis.mapper.common.Mapper;
import tk.mybatis.mapper.entity.Example;
import tk.mybatis.mapper.entity.Example.Criteria;

/**
 * 
 * @description service 
 *
 * @author xuyq - chainisit@126.com
 * @since 1.0 - 2016715
 * @param <T>
 */
public abstract class BaseService<T extends BaseEntity> {
    @Autowired
    private BaseMapper<T> baseMapper;

    /**
     * ??null,?=?and?
     * 
     * @param <T extend T>
     */
    public List<T> select(T record) {
        record.set("delFlag", Globle.DEL_FLAG_NORMAL);
        return baseMapper.select(record);
    }

    public List<T> select(T record, String orderSqlStr) {
        Example example = new Example(record.getClass(), false);
        Criteria criteria = example.createCriteria();
        criteria.andEqualTo("delFlag", Globle.DEL_FLAG_NORMAL);
        for (Map.Entry<String, Object> entry : record.entrySet()) {
            if ("".equals(entry.getValue()))
                continue;
            criteria.andEqualTo(entry.getKey(), entry.getValue());
        }
        example.setOrderByClause(orderSqlStr);
        return baseMapper.selectByExample(example);
    }

    /**
     * ??null,?=?and?
     * 
     * @param <T extend T>
     */
    public int selectCount(T record) {
        record.set("delFlag", Globle.DEL_FLAG_NORMAL);
        return baseMapper.selectCount(record);
    }

    /**
     * ?,?? ??,? ??,key?,?Map
     * 
     * @param <T extend T>
     */
    public T selectByPrimaryKey(Object key) {
        return baseMapper.selectByPrimaryKey(key);
    }

    /**
     * ??? ?Oracle?,UUID,MysqlINDENTITY() ?,?,???UUID,
     * 
     * @param <T extend T>
     */
    public int insert(T record) {
        if (record.containsKey("createDate")) {
            record.set("createDate", System.currentTimeMillis());
        }
        if (record.containsKey("updateDate")) {
            record.set("updateDate", System.currentTimeMillis());
        }
        if (record.containsKey("delFlag")) {
            record.set("delFlag", Globle.DEL_FLAG_NORMAL);
        }
        record.setId(RandomUtils.genRandom32Hex());
        return baseMapper.insert(record);
    }

    /**
     * ???,???null,?? ?Oracle?,UUID,MysqlINDENTITY()
     * ?,?,???UUID,
     * 
     * @param <T extend T>
     */
    public int insertSelective(T record) {
        if (StringUtils.isBlank(record.getString("createBy"))) {
            String user = (String) ThreadLocalUtils.get("user");
            record.set("createBy", user);
        }
        record.set("createDate", System.currentTimeMillis());
        record.set("updateDate", System.currentTimeMillis());
        record.set("delFlag", Globle.DEL_FLAG_NORMAL);
        record.setId(RandomUtils.genRandom32Hex());
        return baseMapper.insertSelective(record);
    }

    /**
     * ??null,?=?and?
     * 
     * @param <T extend T>
     */
    public int delete(T key) {
        return baseMapper.delete(key);
    }

    /**
     * ,??? ??,? ??,key?,?Map
     * 
     * @param <T extend T>
     */
    public int deleteByPrimaryKey(Object key) {
        return baseMapper.deleteByPrimaryKey(key);
    }

    /**
     * ?,??? ?
     * 
     * @param <T extend T>
     */
    public int updateByPrimaryKey(T record) {
        // SysUser sysUser = SysUserUtils.getCacheLoginUser();
        // if(sysUser != null){
        // record.set("updateBy",sysUser.getId()+","+
        // SysUserUtils.getCacheLoginUser().getName());
        // }
        record.set("updateDate", new Date());
        return baseMapper.updateByPrimaryKey(record);
    }

    /**
     * ? ??null?
     * 
     * @param <T extend T>
     */
    public int updateByPrimaryKeySelective(T record) {
        // SysUser user = SysUserUtils.getCacheLoginUser();
        String user = (String) ThreadLocalUtils.get("user");
        record.set("updateBy", user);
        record.set("updateDate", System.currentTimeMillis());
        return baseMapper.updateByPrimaryKeySelective(record);
    }

    /**
     * ?(?delFlag)
     * 
     * @param bean 
     * @return ?
     */
    public <M extends BaseEntity> int updateDelFlagToDelStatusById(Class<M> bean, String id) {
        String mapperName = StringUtils.uncapitalize(bean.getSimpleName()) + "Mapper";
        Mapper<M> mapper = SpringUtils.getBean(mapperName);
        M m = null;
        try {
            m = bean.newInstance();
            m.setId(id);
            m.set("delFlag", Globle.DEL_FLAG_DELETE);
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        return mapper.updateByPrimaryKeySelective(m);
    }

    /**
     * ??id?null?
     * 
     * @param record
     * @return ?
     */
    public int save(T record) {
        int count = 0;
        if (record.get("id") == null) {
            count = this.insertSelective(record);
        } else {
            count = this.updateByPrimaryKeySelective(record);
        }
        return count;
    }

    /**
     * ?
     * 
     * @param pageNum ?
     * @param pageSize ?
     * @param record ?
     * @return
     */
    public PageInfo<T> selectPage(int pageNum, int pageSize, T record) {
        if (record.containsKey("delFlag")) {
            record.set("delFlag", Globle.DEL_FLAG_NORMAL);
        }
        PageHelper.startPage(pageNum, pageSize);
        return new PageInfo<T>(baseMapper.select(record));
    }

    /**
     * @Description:(???)
     * @param:@param pageNum
     * @param:@param pageSize
     * @param:@param record
     * @param:@param orderSqlStr (:id desc)
     * @return:PageInfo<T>
     */
    public PageInfo<T> selectPage(int pageNum, int pageSize, T record, String orderSqlStr) {
        Example example = new Example(record.getClass(), false);
        Criteria criteria = example.createCriteria();
        if (record.containsKey("delFlag")) {
            criteria.andEqualTo("delFlag", Globle.DEL_FLAG_NORMAL);
        }
        for (Map.Entry<String, Object> entry : record.entrySet()) {
            if (entry.getValue() == null || "".equals(entry.getValue()))
                continue;
            criteria.andEqualTo(entry.getKey(), entry.getValue());
        }
        example.setOrderByClause(orderSqlStr);
        PageHelper.startPage(pageNum, pageSize);
        List<T> list = baseMapper.selectByExample(example);
        return new PageInfo<T>(list);
    }

    /**
     * ????(??)
     * 
     * @param bean class
     * @param fields 
     * @param values 
     * @return -1?
     */
    public <M extends BaseEntity> int beforeDelete(Class<M> bean, Map<String, Object> params) {
        String mapperName = StringUtils.uncapitalize(bean.getSimpleName()) + "Mapper";
        Mapper<M> mapper = SpringUtils.getBean(mapperName);
        M m = null;
        try {
            m = bean.newInstance();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        m.setAll(params);
        int count = mapper.selectCount(m);
        return count > 0 ? -1 : count;
    }

    /**
     * ??()
     * 
     * @param id id
     * @param Field ???
     * @param beans class ??class class
     * @return -1
     */
    public int beforeDeleteTreeStructure(Object id, String Field, Class<?>... beans) {
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("id", id);
        map.put("checkField", StrUtils.camelhumpToUnderline(Field));
        for (int i = 0; i < beans.length; i++) {
            Class<?> cl = beans[i];
            Table table = cl.getAnnotation(Table.class);
            if (table == null) {
                throw new RuntimeException("?table");
            }
            String tableName = table.name();
            // String tableName = StringConvert.camelhumpToUnderline(cl.getSimpleName());
            map.put("t" + i, tableName);
        }
        int count = 0; // baseMapper.beforeDeleteTreeStructure(map);
        return count > 0 ? -1 : count;
    }

    /**
     * 
     * 
     * @param bean
     * @param checkField
     * @param value
     * @param id
     * @return
     */
    public <M extends BaseEntity> boolean unique(Class<M> bean, String checkField, Object value, Object id) {
        return unique(bean, checkField, value, id, null);
    }

    public <M extends BaseEntity> boolean unique(Class<M> bean, String checkField, Object value, Object id,
            Map<String, Object> params) {
        String mapperName = StringUtils.uncapitalize(bean.getSimpleName()) + "Mapper";
        Mapper<M> mapper = SpringUtils.getBean(mapperName);
        M m = null;
        try {
            m = bean.newInstance();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        if (id != null) {
            m.set("id", id);
        }
        m.set(checkField, value);
        if (params != null) {
            m.setAll(params);
        }
        // int count = mapper.selectCount(m);
        if (id != null) {
            List<M> lists = mapper.select(m);
            if (lists.size() >= 2) {
                return false;
            } else if ((lists.size() == 1)) {
                return lists.get(0).get("id").toString().equals(id + "");
            } else {
                return true;
            }
        } else {
            int count = mapper.selectCount(m);
            return count <= 0 ? true : false;
        }
    }

    /**
     * ,?
     * 
     * @param bean
     * @param checkField
     * @param value
     * @param id
     * @return
     */
    public <M extends BaseEntity> boolean uniqueHaveStatus(Class<M> bean, String checkField, Object value,
            Object id) {
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("status", Globle.SYSTEM_COMMON_ENABLE);
        return this.unique(bean, checkField, value, id, params);
    }

}