sk.vracon.sqlcomments.core

Interface IColumnMapper<T>

Type Parameters:

T - Java type

All Known Implementing Classes:

EnumMapper

public interface IColumnMapper<T>

Column converter interface.

Column mapper is responsible for converting data returned by JDBC driver to custom Java type.

Method Summary

Methods

Modifier and Type	Method and Description
Object	convertToDatabase(T javaValue) Converts java value to value sent to JDBC driver.
T	convertToJava(Object dbValue) Converts value returned by JDBC driver to custom java object.
void	setJavaType(Class<? extends T> expectedJavaClass) Sets expected java class to converter.

Method Detail

setJavaType

void setJavaType(Class<? extends T> expectedJavaClass)

Sets expected java class to converter.

SQL Comments library calls this method only once before first conversion call.

Parameters:

expectedJavaClass - java class

convertToJava

T convertToJava(Object dbValue)

Converts value returned by JDBC driver to custom java object.

Parameters:

dbValue - value read from database, can be {code null}

Returns:

converted value

convertToDatabase

Object convertToDatabase(T javaValue)

Converts java value to value sent to JDBC driver.

Parameters:

javaValue - java value, can be null

Returns:

converted value