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David, remember also:

- - Would be nice to be able to raise a "late" conflict exception when the
client already send the modified objects at commit time.

- - Currently a commit does to the storage a call sequence
"begin"->"store"->"end". That is fine, but there is no way to "abort" a
commit if the connection is severed, for example.

Currently is not an issue, because the modified objects will be in a
"limbo" until "end" call, and they will be deleted if a "begin" call
comes before the "end".

But with the posibilities that Durus 3.6 opens, would be nice to be able
to "abort" a commit if a connection goes away in the middle of a commit.
You can't wait for another "begin" because the "begin"->"end" game would
involve (already locked) mutexes, or who nows what.

Example:

Just imagine I do a storage that export "filestorage" like objects to
allow threads to share a single filestorage. Writes are managed via a
mutex. If one of my interfaces provides a ServerStorage like connection,
and a remote client starts a commit but the connection is severed before
finishing, the storage would remains locked.

I know that I can "thick" a bit my proxy objects to accumulate locally
"store" calls, and when an "end" comes, do "instantly" a
"begin"->"store"->"end" cycle, but I'm a bit worried about the extra
layer performance and double memory usage. And, for this to work
reliably, need to be able to do the "late conflict" resolution (point 1).

- --
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