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From Jörg Heinicke (JIRA) <>
Subject [jira] Commented: (TRANSACTION-16) Code donation
Date Sat, 09 Jun 2007 10:05:26 GMT


Jörg Heinicke commented on TRANSACTION-16:

What's this patch about? (Quoted from the original message:

I would like to donate an implementation of some transaction enabled 
collections and resources.

The implementation is (more or less) JTA compliant, and mostly finished.
It is not well-tested, robust or mature.

The code includes:

1) TX collections: Map, Set and List wrappers for transactional
protection/isolation. Supported nested collections such that for
instance a List or Set in a transactional Map is wrapped in the
appropriate wrapper. Copy-on-tx-start and locking.

2) TX object model: An object is passed to the wrapper and after that
only used when retrieved from the wrapper. The object is wrapped in a
dynamic proxy which makes sure all returned objects from reachable
instances are also wrapped. Copy-on-write and locking. I have some
additional ideas on this one.

> Code donation
> -------------
>                 Key: TRANSACTION-16
>                 URL:
>             Project: Commons Transaction
>          Issue Type: Wish
>            Reporter: Dennis Thrysøe
>            Assignee: Oliver Zeigermann
>         Attachments:
> I hereby donate the attached source code for inclusion in or inspiration for commons-transaction.
> I will be happy to participate further in the development of these features.
> Some of the stuff in the project can be considered experimental, and not yet done, but
most is fully implemented.
> -dennis

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