org.nuiton.topia.persistence.util

Interface Creator<P,E>

Type Parameters:

P - the type of the parent of the entity to create (if entity has no parent then used the Void type).

E - the type of entity to create

public interface Creator<P,E>

A simple contract to hook the creation phase of an entity associated (or not!) to a parent entity.

Author:

tchemit

Method Summary

Methods

Modifier and Type	Method and Description
E	create(TopiaContext tx, P parent, E from) Perform the creation of an entity.

Method Detail

create

E create(TopiaContext tx,
       P parent,
       E from)
         throws TopiaException

Perform the creation of an entity.

The given from entity should not have already been created in database ? it should only be here to prepare the creation of the entity.

TODO Review this explanation :)

Parameters:

tx - the current available transaction

parent - the parent of the entity

from - the entity to create

Returns:

the really created entity in database

Throws:

TopiaException - if any db problem.