net.guerlab.cloud.server.service.orm.QueryWrapperGetter Maven / Gradle / Ivy
/*
* Copyright 2018-2024 guerlab.net and other contributors.
*
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.gnu.org/licenses/lgpl-3.0.html
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.guerlab.cloud.server.service.orm;
import com.baomidou.mybatisplus.core.conditions.interfaces.Join;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import net.guerlab.cloud.commons.entity.IBaseEntity;
import net.guerlab.cloud.searchparams.SearchParams;
import net.guerlab.cloud.searchparams.SearchParamsUtils;
/**
* QueryWrapper获取接口.
*
* @param 实体类型
* @param 搜索参数类型
* @author guer
*/
@SuppressWarnings("unused")
public interface QueryWrapperGetter {
/**
* 获取QueryWrapper，并通过searchParams对象对QueryWrapper进行赋值.
*
* @param searchParams 搜索对象
* @return QueryWrapper
*/
default QueryWrapper getQueryWrapperWithSelectMethod(Q searchParams) {
return getQueryWrapper(searchParams);
}
/**
* 获取QueryWrapper.
*
* @return QueryWrapper
*/
default QueryWrapper getQueryWrapperWithSelectMethod() {
return getQueryWrapper();
}
/**
* 获取QueryWrapper，并通过searchParams对象对QueryWrapper进行赋值.
*
* @param searchParams 搜索对象
* @return QueryWrapper
*/
default QueryWrapper getQueryWrapper(Q searchParams) {
QueryWrapper wrapper = getQueryWrapper();
SearchParamsUtils.handler(searchParams, wrapper);
return wrapper;
}
/**
* 获取QueryWrapper.
*
* @return QueryWrapper
*/
default QueryWrapper getQueryWrapper() {
QueryWrapper queryWrapper = new QueryWrapper<>();
queryWrapper.setEntityClass(getEntityClass());
return queryWrapper;
}
/**
* 获取LambdaQueryWrapper.
*
* @return LambdaQueryWrapper
*/
default LambdaQueryWrapper getLambdaQueryWrapper() {
LambdaQueryWrapper queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.setEntityClass(getEntityClass());
return queryWrapper;
}
/**
* 获取实体类型.
*
* @return 实体类型
*/
Class getEntityClass();
/**
* 查询加锁.
*
* @param wrapper QueryWrapper
*/
default void withLock(Join wrapper) {
wrapper.last("FOR UPDATE");
}
}