org.apache.tapestry.contrib.table.model
Interface IPrimaryKeyConvertor

public interface IPrimaryKeyConvertor

An interface for converting an object to its primary key and back. Typically used to determine how to store a given object as a hidden value when rendering a form.

Since:

3.0

Author:

mb

Method Summary

Object	getPrimaryKey(Object objValue) Gets the serializable primary key of the given value.
Object	getValue(Object objPrimaryKey) Gets the value corresponding the given primary key .

Method Detail

getPrimaryKey

Object getPrimaryKey(Object objValue)

Gets the serializable primary key of the given value.

Parameters:

objValue - the value for which a primary key needs to be extracted

Returns:

the serializable primary key of the value

getValue

Object getValue(Object objPrimaryKey)

Gets the value corresponding the given primary key .

Parameters:

objPrimaryKey - the primary key for which a value needs to be generated

Returns:

the generated value corresponding to the given primary key