com.javaoffers.base.modelhelper.sample.spring.SpringSuportCrudUserMapperDelete Maven / Gradle / Ivy
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package com.javaoffers.base.modelhelper.sample.spring;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.javaoffers.base.modelhelper.sample.mapper.BriefUserMapper;
import com.javaoffers.base.modelhelper.sample.model.User;
import com.javaoffers.brief.modelhelper.core.Id;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
@SpringBootApplication
@RequestMapping
@MapperScan("com.javaoffers.base.modelhelper.sample.mapper")
public class SpringSuportCrudUserMapperDelete implements InitializingBean {
public static boolean status = true;
ObjectMapper objectMapper = new ObjectMapper();
@Resource
BriefUserMapper crudUserMapper;
public static void main(String[] args) {
SpringApplication.run(SpringSuportCrudUserMapperDelete.class, args);
}
@Override
public void afterPropertiesSet() throws Exception {
testDelete();
testBatchDelete();
if(status){
System.exit(0);
}
}
public void testDelete() {
crudUserMapper.delete()
.where()
.eq(User::getId, 2)
//.isNotNull(User::getId)
.isNull(User::getId)
.ex();
}
public void testBatchDelete(){
List ls = new ArrayList();
for(int i=0; i< 103; i++){
User user = User.builder().name("h1_delete_"+i).build();
ls.add(user);
}
List ids = crudUserMapper.general().saveBatch(ls);
System.out.println("---------------> insert size "+ids.size());
List userList = crudUserMapper.select().colAll().where().like(User::getName, "h1_delete_").exs();
System.out.println("-----------> select size " + userList.size());
int i = crudUserMapper.general().removeByIds(userList.stream().map(User::getId).collect(Collectors.toList()));
System.out.println("-------------> delete size " + i);
List userList2 = crudUserMapper.select().colAll().where().like(User::getName, "h1_delete_").exs();
System.out.println("-----------> select size " + userList2.size());
}
public void print(Object user) throws JsonProcessingException {
System.out.println(objectMapper.writeValueAsString(user));
}
}
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