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This test does more than test_6[89]_ so it replaces them.

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* Change subject from "Failed Processing Activity" to
  "Activity failed: <path>/<method>"
* The subject starts with "Pending activity already failed <failures> times:"
  if CMFActivity is going to reexecute indefinitely.
* Drop the first line of the body. It was repeating the the subject.
* Add number of failures.

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getActivityRuntimeEnvironment is changed to return an ActivityRuntimeEnvironment
instance instead of a dict (and this value is now stored in a transactional
variable, for automatic cleanup).
This object allow activities to change default behaviour of CMFActivity if an
error happens. In the future, this object could also allow executed activity to
inspect its related Message object.

In case of infinite retry, notify the user when the default limit is reached.

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Now, all messages can be executed 6 times by default (or more in case of
ConflictError), regardless their initial priority.
For compatibility reasons, the 'priority' column is still increased.

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When a node is looking for activities to process, there's no point testing the
'processing' column. This fixes cases leaving activities at 'processing=1'
forever (unless, of course, a cluster is killed and restarted with fewer nodes).
Also remove now useless cleanup at startup.

One known case leaving such activities is when the first commit of
dequeueMessage raises, which can happen, for example, during migration of
portal_types.

It seems the 'processing' column becomes useless for CMFActivity.

Acked-by: Vincent Pelletier

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replace transaction subcommits (deprecated since Zope 2.8 or before) with optimistic savepoints, which do the same thing.

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  for activity with group method_id and without group method_id

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Update CheckSerializationTag and check if serialization_tag blocks to validate the same tagged message and the message remains.
Split test_102_CheckSQLDictDoesNotDeleteDuplicatesBeforeExecution into two tests and covers new SQLDict behavior.


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Rename test_102. The name said the test was checking SQLQueue feature, but the content was obviously checking SQLDict feature.


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Fix a bug. serialization tag guarantees that tagged messages are processed serially and not parallelly.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28706 20353a03-c40f-0410-a6d1-a30d3c3de9de

Fix test_115_TestSerializationTagSQLDictPreventsParallelExecution. Delete remaining activities at the end. This broke other test.


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- tests that no message are lost if we record more then MAX_MESSAGE_LIST_SIZE
  in one transaction.


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activity table ( manageClearActivities ). Messages where always reactivated
using SQLDict


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Fix ActiveProcess.hasActivity. On active processes, hasActivity tests active_process_uid instead of path:
* hasActivity must handle the case when no document is provided (bug #1142)
* Fix initialisation of active_process_uid property on Message objects.
Add unit test.

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any more in hasActivity


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Implement ActiveProcess.hasActivity . It was present, but required data was never present in the table. Now that SQL{Dict|Queue}.hasActivity don't use "**kw" any more, it causes errors.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@25274 20353a03-c40f-0410-a6d1-a30d3c3de9de

Make all dtml tests use expr="...", so that tested values don't use acquisition. (Nice catch, Nicolas !)
Update callers to cope with those new limitations.


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  Add missing "global" declarations.
  Simplify: there is no need for both a global variable and a lock do just carry a boolean with atomic access.
  Add the possibility to put activity tool back in a working state after process_shutdown has been called.


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Add a test (specific to SQLQueue) to check that activities executed after an activity invoking "changeSkin" get default skin.


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unrestrictedTraverse is no suitable for this use: it can raise another exception than KeyError (see OFS/Traversable.py) and also prevents from finding methods on object (only subobjects or objects accessible via acquisition context).


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Add a test for error paths: error data must be present on the message itself. There are 2 (4, actualy) error paths not covered, since they rely on code present in queues (commit after activity execution), and it's not possible to extract message object after error was processed, so it cannot be unit tested. Message commit must be moved to Message.__call__ and ActivityTool.invokeGroup for those cases to be testable.


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