git-svn-id: https://svn.erp5.org/repos/neo/trunk@2524 71dcc9de-d417-0410-9af5-da40c76e7ee4

Rationale: dispatcher will refuse answer of a type which doesn't match
request, and this is tested separately.
Also, remove now-useless references to txn_finished.
Fixes regressions introduced in r2517.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2523 71dcc9de-d417-0410-9af5-da40c76e7ee4

Also, don't expect setTransactionFinished/setTransactionVoted to be called.

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It broke ZODB tests.

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Storage doesn't vote here, it only stores transaction metadata. And we do
want to make sure it was stored at least once.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2519 71dcc9de-d417-0410-9af5-da40c76e7ee4

It was actually used to track individual answerStoreTransaction, and there
is no need to track them individually.
Instead, just set txn_voted to True before returning, so it really means
that tpc_vote ended successfully.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2518 71dcc9de-d417-0410-9af5-da40c76e7ee4

The only alternative to this is raising (either because there was no
answer, or because the answer didn't satisfy our handler).

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Also, fix bogus checkCurrentSerialInTransaction implementation (it was not
properly locking object, allowing them to become non-current by the time
tpc_finish occurs).

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2515 71dcc9de-d417-0410-9af5-da40c76e7ee4

...and fix its declaration.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2514 71dcc9de-d417-0410-9af5-da40c76e7ee4

undoInfo comes from BaseStorage, which inherits it from UndoLogCompatible.

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Also, some manual tweaks to fix easy differences between implementation and
interface / related comments:
- make name unique (provided name option is itself unique)
- __name__ property definition is delegated to BaseStorage.__init__
- warn about _is_read_only as being somewhat part of the interface
- make "load"'s "version" mandatory, and assert it is ''
- store: likewise
- registerDB shouldn't require a second argument
- note that tpc_begin doesn't follow interface described behaviour when
  a commit is already running. This is a feature actually, and should be
  harmless to caller.

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Update README to set minimum ZODB version instead of minimum Zope version.

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This can happen when a non-waited-for answers is followed by a waited-for
answer for the same node: the first answer is for the same connection, but
has a different msg_id, so it was just dropped.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2495 71dcc9de-d417-0410-9af5-da40c76e7ee4

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Also, move cache look-up to its own method, with an API consistent with
_loadFromStorage.

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