package com.dy.common.mybatis;

import org.apache.ibatis.type.BaseTypeHandler;
import org.apache.ibatis.type.JdbcType;

import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class BooleanTypeHandler extends BaseTypeHandler<Boolean> {
    @Override
    public void setNonNullParameter(PreparedStatement ps, int i, Boolean parameter, JdbcType jdbcType) throws SQLException {
        ps.setByte(i , parameter==null?(byte)0:(parameter.booleanValue()?(byte)1:(byte)0));
    }

    @Override
    public Boolean getNullableResult(ResultSet rs, String columnName) throws SQLException {
        Byte colV = rs.getByte(columnName) ;
        return colV==null?false:(colV.byteValue()==1?true:false);
    }

    @Override
    public Boolean getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
        Byte colV = rs.getByte(columnIndex) ;
        return colV==null?false:(colV.byteValue()==1?true:false);
    }

    @Override
    public Boolean getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
        Byte colV = cs.getByte(columnIndex) ;
        return colV==null?false:(colV.byteValue()==1?true:false);
    }
}