com.jeesuite.mybatis.crud.builder.CountAllBuilder Maven / Gradle / Ivy
/**
*
*/
package com.jeesuite.mybatis.crud.builder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.ibatis.jdbc.SQL;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.ResultMap;
import org.apache.ibatis.mapping.SqlCommandType;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.reflection.SystemMetaObject;
import org.apache.ibatis.session.Configuration;
import com.jeesuite.mybatis.crud.CrudMethods;
import com.jeesuite.mybatis.crud.helper.EntityMapper;
import com.jeesuite.mybatis.crud.helper.TableMapper;
/**
* @description
* @author vakin
* @date 2015年12月2日
* @Copyright (c) 2015, jwww
*/
public class CountAllBuilder extends AbstractMethodBuilder{
@Override
String[] methodNames() {
return new String[]{CrudMethods.countAll.name()};
}
@Override
SqlCommandType sqlCommandType() {
return SqlCommandType.SELECT;
}
@Override
String buildSQL(EntityMapper entityMapper, boolean selective) {
TableMapper tableMapper = entityMapper.getTableMapper();
return new SQL().SELECT("COUNT(1)").FROM(tableMapper.getName()).toString();
}
@Override
void setResultType(Configuration configuration, MappedStatement statement, Class entityClass) {
ResultMap.Builder builder = new ResultMap.Builder(configuration, "long", Long.class, new ArrayList<>(), true);
MetaObject metaObject = SystemMetaObject.forObject(statement);
List resultMaps = Arrays.asList(builder.build());
metaObject.setValue("resultMaps", resultMaps);
}
}