Interface IndexMapper

All Known Implementing Classes:

EntityIndexMapper, MapIndexMapper

public interface IndexMapper

列下标映射

Author:

Maning

Method Summary

Modifier and Type	Method	Description
String	get(int columnIndex, BiFunction<String,String,String> keyNamingStrategy)	通过下标和命名, 用于map查询
Integer	get(String table, String column)	通过table和column获取下标,用于实体类查询
static IndexMapper	of(RowMapper<?> rowMapper, ResultSetMetaData metaData)	根据rowMapper获取其需要的 列下标映射

Method Details

of

static IndexMapper of(RowMapper<?> rowMapper,
 ResultSetMetaData metaData)
               throws SQLException

根据rowMapper获取其需要的 列下标映射

Parameters:

rowMapper - 行转换器

metaData - rs元数据

Returns:

列下标映射

Throws:

SQLException - sql异常

get

Integer get(String table,
 String column)

通过table和column获取下标,用于实体类查询

Parameters:

table - 表名

column - 列名

Returns:

下标

get

String get(int columnIndex,
 BiFunction<String,String,String> keyNamingStrategy)

通过下标和命名, 用于map查询

Parameters:

columnIndex - 列下标

keyNamingStrategy - map的key命名策略(传入table和column,返回key)

Returns:

map的key