1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
##############################################################################
#
# Copyright (c) 2002,2007 Nexedi SA and Contributors. All Rights Reserved.
# Jean-Paul Smets-Solanes <jp@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from DateTime import DateTime
from Products.CMFActivity.ActivityTool import registerActivity
from Queue import VALID, INVALID_PATH, VALIDATION_ERROR_DELAY, \
abortTransactionSynchronously
from RAMDict import RAMDict
from Products.CMFActivity.ActiveObject import INVOKE_ERROR_STATE, VALIDATE_ERROR_STATE
from Products.CMFActivity.Errors import ActivityFlushError
from ZODB.POSException import ConflictError
import sys
from types import ClassType
try:
from transaction import get as get_transaction
except ImportError:
pass
from zLOG import LOG, TRACE, WARNING, ERROR
MAX_PRIORITY = 5
MAX_GROUPED_OBJECTS = 500
priority_weight = \
[1] * 64 + \
[2] * 20 + \
[3] * 10 + \
[4] * 5 + \
[5] * 1
class SQLDict(RAMDict):
"""
A simple OOBTree based queue. It should be compatible with transactions
and provide sequentiality. Should not create conflict
because use of OOBTree.
"""
# Transaction commit methods
def prepareQueueMessage(self, activity_tool, m):
if m.is_registered:
activity_tool.SQLDict_writeMessage( path = '/'.join(m.object_path) ,
method_id = m.method_id,
priority = m.activity_kw.get('priority', 1),
broadcast = m.activity_kw.get('broadcast', 0),
message = self.dumpMessage(m),
date = m.activity_kw.get('at_date', DateTime()),
group_method_id = m.activity_kw.get('group_method_id', ''),
tag = m.activity_kw.get('tag', ''),
order_validation_text = self.getOrderValidationText(m))
# Also store uid of activity
def prepareQueueMessageList(self, activity_tool, message_list):
registered_message_list = []
for message in message_list:
if message.is_registered:
registered_message_list.append(message)
if len(registered_message_list) > 0:
#LOG('SQLDict prepareQueueMessageList', 0, 'registered_message_list = %r' % (registered_message_list,))
path_list = ['/'.join(message.object_path) for message in registered_message_list]
method_id_list = [message.method_id for message in registered_message_list]
priority_list = [message.activity_kw.get('priority', 1) for message in registered_message_list]
broadcast_list = [message.activity_kw.get('broadcast', 0) for message in registered_message_list]
dumped_message_list = [self.dumpMessage(message) for message in registered_message_list]
datetime = DateTime()
date_list = [message.activity_kw.get('at_date', datetime) for message in registered_message_list]
group_method_id_list = [message.activity_kw.get('group_method_id', '') for message in registered_message_list]
tag_list = [message.activity_kw.get('tag', '') for message in registered_message_list]
order_validation_text_list = [self.getOrderValidationText(message) for message in registered_message_list]
uid_list = activity_tool.getPortalObject().portal_ids.generateNewLengthIdList(id_group='portal_activity', id_count=len(registered_message_list))
activity_tool.SQLDict_writeMessageList( uid_list = uid_list,
path_list = path_list,
method_id_list = method_id_list,
priority_list = priority_list,
broadcast_list = broadcast_list,
message_list = dumped_message_list,
date_list = date_list,
group_method_id_list = group_method_id_list,
tag_list = tag_list,
order_validation_text_list = order_validation_text_list)
def prepareDeleteMessage(self, activity_tool, m):
# Erase all messages in a single transaction
path = '/'.join(m.object_path)
order_validation_text = self.getOrderValidationText(m)
uid_list = activity_tool.SQLDict_readUidList(path = path, method_id = m.method_id,
order_validation_text = order_validation_text,
processing_node = None)
uid_list = [x.uid for x in uid_list]
if len(uid_list)>0:
activity_tool.SQLDict_delMessage(uid = uid_list)
# Registration management
def registerActivityBuffer(self, activity_buffer):
pass
def isMessageRegistered(self, activity_buffer, activity_tool, m):
uid_set = activity_buffer.getUidSet(self)
return (tuple(m.object_path), m.method_id, m.activity_kw.get('tag')) in uid_set
def registerMessage(self, activity_buffer, activity_tool, m):
m.is_registered = 1
uid_set = activity_buffer.getUidSet(self)
uid_set.add((tuple(m.object_path), m.method_id, m.activity_kw.get('tag')))
message_list = activity_buffer.getMessageList(self)
message_list.append(m)
def unregisterMessage(self, activity_buffer, activity_tool, m):
m.is_registered = 0 # This prevents from inserting deleted messages into the queue
class_name = self.__class__.__name__
uid_set = activity_buffer.getUidSet(self)
uid_set.discard((tuple(m.object_path), m.method_id, m.activity_kw.get('tag')))
def getRegisteredMessageList(self, activity_buffer, activity_tool):
message_list = activity_buffer.getMessageList(self)
return [m for m in message_list if m.is_registered]
def validateMessage(self, activity_tool, message, uid_list, priority, processing_node):
validation_state = message.validate(self, activity_tool, check_order_validation=0)
if validation_state is not VALID:
# There is a serious validation error - we must lower priority
if priority > MAX_PRIORITY:
# This is an error
if len(uid_list) > 0:
activity_tool.SQLDict_assignMessage(uid=uid_list, processing_node=VALIDATE_ERROR_STATE)
# Assign message back to 'error' state
#m.notifyUser(activity_tool) # Notify Error
get_transaction().commit() # and commit
else:
# Lower priority
if len(uid_list) > 0: # Add some delay before new processing
activity_tool.SQLDict_setPriority(uid=uid_list, delay=VALIDATION_ERROR_DELAY,
priority=priority + 1, retry=1)
get_transaction().commit() # Release locks before starting a potentially long calculation
return 0
return 1
# Queue semantic
def dequeueMessage(self, activity_tool, processing_node):
readMessage = getattr(activity_tool, 'SQLDict_readMessage', None)
if readMessage is None:
return 1
now_date = DateTime()
result = readMessage(processing_node=processing_node, to_date=now_date)
if len(result) > 0:
line = result[0]
path = line.path
method_id = line.method_id
order_validation_text = line.order_validation_text
uid_list = activity_tool.SQLDict_readUidList(path=path, method_id=method_id,
processing_node=None, to_date=now_date,
order_validation_text=order_validation_text)
uid_list = [x.uid for x in uid_list]
uid_list_list = [uid_list]
priority_list = [line.priority]
# Make sure message can not be processed anylonger
if len(uid_list) > 0:
# Set selected messages to processing
activity_tool.SQLDict_processMessage(uid=uid_list,
processing_node=processing_node)
get_transaction().commit() # Release locks before starting a potentially long calculation
# This may lead (1 for 1,000,000 in case of reindexing) to messages left in processing state
# At this point, messages are marked as processed. So catch any kind of exception to make sure
# that they are unmarked on error.
try:
m = self.loadMessage(line.message, uid=line.uid)
message_list = [m]
# Validate message (make sure object exists, priority OK, etc.)
if not self.validateMessage(activity_tool, m, uid_list, line.priority, processing_node):
return 0
group_method_id = m.activity_kw.get('group_method_id')
if group_method_id is not None:
# Count the number of objects to prevent too many objects.
if m.hasExpandMethod():
count = len(m.getObjectList(activity_tool))
else:
count = 1
group_method = activity_tool.getPortalObject().restrictedTraverse(group_method_id)
if count < MAX_GROUPED_OBJECTS:
# Retrieve objects which have the same group method.
result = readMessage(processing_node=processing_node,
to_date=now_date, group_method_id=group_method_id,
order_validation_text=order_validation_text)
#LOG('SQLDict dequeueMessage', 0, 'result = %d' % (len(result)))
path_and_method_id_dict = {}
for line in result:
path = line.path
method_id = line.method_id
# Prevent using the same pair of a path and a method id.
key = (path, method_id)
if key in path_and_method_id_dict:
continue
path_and_method_id_dict[key] = 1
uid_list = activity_tool.SQLDict_readUidList(path=path, method_id=method_id,
processing_node=None,
to_date=now_date,
order_validation_text=order_validation_text)
uid_list = [x.uid for x in uid_list]
if len(uid_list) > 0:
# Set selected messages to processing
activity_tool.SQLDict_processMessage(uid=uid_list,
processing_node=processing_node)
get_transaction().commit() # Release locks before starting a potentially long calculation
# Save this newly marked uids as soon as possible.
uid_list_list.append(uid_list)
m = self.loadMessage(line.message, uid=line.uid)
if self.validateMessage(activity_tool, m, uid_list, line.priority, processing_node):
if m.hasExpandMethod():
count += len(m.getObjectList(activity_tool))
else:
count += 1
message_list.append(m)
priority_list.append(line.priority)
if count >= MAX_GROUPED_OBJECTS:
break
else:
# If the uids were not valid, remove them from the list, as validateMessage
# unmarked them.
uid_list_list.pop()
# Release locks before starting a potentially long calculation
get_transaction().commit()
# Try to invoke
if group_method_id is not None:
LOG('SQLDict', TRACE,
'invoking a group method %s with %d objects '\
' (%d objects in expanded form)' % (
group_method_id, len(message_list), count))
activity_tool.invokeGroup(group_method_id, message_list)
else:
activity_tool.invoke(message_list[0])
# Check if messages are executed successfully.
# When some of them are executed successfully, it may not be acceptable to
# abort the transaction, because these remain pending, only due to other
# invalid messages. This means that a group method should not be used if
# it has a side effect. For now, only indexing uses a group method, and this
# has no side effect.
for m in message_list:
if m.is_executed:
get_transaction().commit()
break
else:
abortTransactionSynchronously()
except:
LOG('SQLDict', ERROR,
'an uncatched exception happened during processing %r' % (uid_list_list,),
error=sys.exc_info())
# If an exception occurs, abort the transaction to minimize the impact,
try:
abortTransactionSynchronously()
except:
# Unfortunately, database adapters may raise an exception against abort.
LOG('SQLDict', WARNING,
'abort failed, thus some objects may be modified accidentally')
pass
# An exception happens at somewhere else but invoke or invokeGroup, so messages
# themselves should not be delayed.
try:
for uid_list in uid_list_list:
if len(uid_list):
# This only sets processing to zero.
activity_tool.SQLDict_setPriority(uid=uid_list)
get_transaction().commit()
except:
LOG('SQLDict', ERROR,
'SQLDict.dequeueMessage raised, and cannot even set processing to zero due to an exception',
error=sys.exc_info())
raise
return 0
try:
for i in xrange(len(message_list)):
m = message_list[i]
uid_list = uid_list_list[i]
priority = priority_list[i]
if m.is_executed:
if len(uid_list) > 0:
activity_tool.SQLDict_delMessage(uid=uid_list) # Delete it
get_transaction().commit() # If successful, commit
if m.active_process:
active_process = activity_tool.unrestrictedTraverse(m.active_process)
if not active_process.hasActivity():
# No more activity
m.notifyUser(activity_tool, message="Process Finished") # XXX commit bas ???
else:
if type(m.exc_type) is ClassType and issubclass(m.exc_type, ConflictError):
# If this is a conflict error, do not lower the priority but only delay.
activity_tool.SQLDict_setPriority(uid=uid_list, delay=VALIDATION_ERROR_DELAY)
get_transaction().commit() # Release locks before starting a potentially long calculation
elif priority > MAX_PRIORITY:
# This is an error
if len(uid_list) > 0:
activity_tool.SQLDict_assignMessage(uid=uid_list,
processing_node=INVOKE_ERROR_STATE)
# Assign message back to 'error' state
m.notifyUser(activity_tool) # Notify Error
get_transaction().commit() # and commit
else:
# Lower priority
if len(uid_list) > 0:
activity_tool.SQLDict_setPriority(uid=uid_list, delay=VALIDATION_ERROR_DELAY,
priority=priority + 1)
get_transaction().commit() # Release locks before starting a potentially long calculation
except:
LOG('SQLDict', ERROR,
'SQLDict.dequeueMessage raised an exception during checking for the results of processed messages',
error=sys.exc_info())
raise
return 0
get_transaction().commit() # Release locks before starting a potentially long calculation
return 1
def hasActivity(self, activity_tool, object, **kw):
hasMessage = getattr(activity_tool, 'SQLDict_hasMessage', None)
if hasMessage is not None:
if object is not None:
my_object_path = '/'.join(object.getPhysicalPath())
result = hasMessage(path=my_object_path, **kw)
if len(result) > 0:
return result[0].message_count > 0
else:
return 1 # Default behaviour if no object specified is to return 1 until active_process implemented
return 0
def flush(self, activity_tool, object_path, invoke=0, method_id=None, commit=0, **kw):
"""
object_path is a tuple
commit allows to choose mode
- if we commit, then we make sure no locks are taken for too long
- if we do not commit, then we can use flush in a larger transaction
commit should in general not be used
NOTE: commiting is very likely nonsenses here. We should just avoid to flush as much as possible
"""
path = '/'.join(object_path)
# LOG('Flush', 0, str((path, invoke, method_id)))
method_dict = {}
readMessageList = getattr(activity_tool, 'SQLDict_readMessageList', None)
if readMessageList is not None:
# Parse each message in registered
for m in activity_tool.getRegisteredMessageList(self):
if m.object_path == object_path and (method_id is None or method_id == m.method_id):
#if not method_dict.has_key(method_id or m.method_id):
if not method_dict.has_key(m.method_id):
method_dict[m.method_id] = 1 # Prevents calling invoke twice
if invoke:
# First Validate
validate_value = m.validate(self, activity_tool)
if validate_value is VALID:
activity_tool.invoke(m) # Try to invoke the message - what happens if invoke calls flushActivity ??
if not m.is_executed: # Make sure message could be invoked
# The message no longer exists
raise ActivityFlushError, (
'Could not evaluate %s on %s' % (m.method_id , path))
elif validate_value is INVALID_PATH:
# The message no longer exists
raise ActivityFlushError, (
'The document %s does not exist' % path)
else:
raise ActivityFlushError, (
'Could not validate %s on %s' % (m.method_id , path))
activity_tool.unregisterMessage(self, m)
# Parse each message in SQL dict
result = readMessageList(path=path, method_id=method_id,
processing_node=None,include_processing=0)
for line in result:
path = line.path
line_method_id = line.method_id
if not method_dict.has_key(line_method_id):
# Only invoke once (it would be different for a queue)
# This is optimisation with the goal to process objects on the same
# node and minimize network traffic with ZEO server
method_dict[line_method_id] = 1
m = self.loadMessage(line.message, uid = line.uid)
if invoke:
# First Validate
validate_value = m.validate(self, activity_tool)
# LOG('SQLDict.flush validate_value',0,validate_value)
if validate_value is VALID:
activity_tool.invoke(m) # Try to invoke the message - what happens if invoke calls flushActivity ??
# LOG('SQLDict.flush m.is_executed',0,m.is_executed)
if not m.is_executed: # Make sure message could be invoked
# The message no longer exists
raise ActivityFlushError, (
'Could not evaluate %s on %s' % (m.method_id , path))
elif validate_value is INVALID_PATH:
# The message no longer exists
raise ActivityFlushError, (
'The document %s does not exist' % path)
else:
raise ActivityFlushError, (
'Could not validate %s on %s' % (m.method_id , path))
if len(result):
uid_list = activity_tool.SQLDict_readUidList(path = path, method_id = method_id,
processing_node = None,)
if len(uid_list)>0:
activity_tool.SQLDict_delMessage(uid = [x.uid for x in uid_list])
def getMessageList(self, activity_tool, processing_node=None, include_processing=0, **kw):
# YO: reading all lines might cause a deadlock
message_list = []
readMessageList = getattr(activity_tool, 'SQLDict_readMessageList', None)
if readMessageList is not None:
result = readMessageList(path=None, method_id=None, processing_node=None,
to_processing_date=None, include_processing=include_processing)
for line in result:
m = self.loadMessage(line.message, uid = line.uid)
m.processing_node = line.processing_node
m.priority = line.priority
m.processing = line.processing
message_list.append(m)
return message_list
def dumpMessageList(self, activity_tool):
# Dump all messages in the table.
message_list = []
dumpMessageList = getattr(activity_tool, 'SQLDict_dumpMessageList', None)
if dumpMessageList is not None:
result = dumpMessageList()
for line in result:
m = self.loadMessage(line.message, uid = line.uid)
message_list.append(m)
return message_list
def distribute(self, activity_tool, node_count):
readMessageList = getattr(activity_tool, 'SQLDict_readMessageList', None)
if readMessageList is not None:
now_date = DateTime()
result = readMessageList(path=None, method_id=None, processing_node=-1,
to_date=now_date, include_processing=0)
get_transaction().commit()
validation_text_dict = {'none': 1}
message_dict = {}
for line in result:
message = self.loadMessage(line.message, uid = line.uid,
order_validation_text = line.order_validation_text)
self.getExecutableMessageList(activity_tool, message, message_dict,
validation_text_dict)
# XXX probably this below can be optimized by assigning multiple messages at a time.
path_dict = {}
assignMessage = activity_tool.SQLDict_assignMessage
processing_node = 1
id_tool = activity_tool.getPortalObject().portal_ids
for message in message_dict.itervalues():
path = '/'.join(message.object_path)
broadcast = message.activity_kw.get('broadcast', 0)
if broadcast:
# Broadcast messages must be distributed into all nodes.
uid = message.uid
assignMessage(processing_node=1, uid=[uid])
if node_count > 1:
uid_list = id_tool.generateNewLengthIdList(id_group='portal_activity',
id_count=node_count - 1)
path_list = [path] * (node_count - 1)
method_id_list = [message.method_id] * (node_count - 1)
priority_list = [message.activity_kw.get('priority', 1)] * (node_count - 1)
processing_node_list = range(2, node_count + 1)
broadcast_list = [1] * (node_count - 1)
message_list = [self.dumpMessage(message)] * (node_count - 1)
date_list = [message.activity_kw.get('at_date', now_date)] * (node_count - 1)
group_method_id_list = [message.activity_kw.get('group_method_id', '')] * (node_count - 1)
tag_list = [message.activity_kw.get('tag', '')] * (node_count - 1)
order_validation_text_list = [message.order_validation_text] * (node_count - 1)
activity_tool.SQLDict_writeMessageList(uid_list=uid_list,
path_list=path_list,
method_id_list=method_id_list,
priority_list=priority_list,
broadcast_list=broadcast_list,
processing_node_list=processing_node_list,
message_list=message_list,
date_list=date_list,
group_method_id_list=group_method_id_list,
tag_list=tag_list,
order_validation_text_list=order_validation_text_list)
get_transaction().commit()
else:
# Select a processing node. If the same path appears again, dispatch the message to
# the same node, so that object caching is more efficient. Otherwise, apply a round
# robin scheduling.
node = path_dict.get(path)
if node is None:
node = processing_node
path_dict[path] = node
processing_node += 1
if processing_node > node_count:
processing_node = 1
assignMessage(processing_node=node, uid=[message.uid], broadcast=0)
get_transaction().commit() # Release locks immediately to allow processing of messages
# Validation private methods
def _validate(self, activity_tool, method_id=None, message_uid=None, path=None, tag=None):
if isinstance(method_id, str):
method_id = [method_id]
if isinstance(path, str):
path = [path]
if isinstance(tag, str):
tag = [tag]
if method_id or message_uid or path or tag:
validateMessageList = activity_tool.SQLDict_validateMessageList
result = validateMessageList(method_id=method_id,
message_uid=message_uid,
path=path,
tag=tag)
message_list = []
for line in result:
m = self.loadMessage(line.message,
uid=line.uid,
order_validation_text=line.order_validation_text,
date=line.date,
processing_node=line.processing_node)
message_list.append(m)
return message_list
else:
return []
def _validate_after_method_id(self, activity_tool, message, value):
return self._validate(activity_tool, method_id=value)
def _validate_after_path(self, activity_tool, message, value):
return self._validate(activity_tool, path=value)
def _validate_after_message_uid(self, activity_tool, message, value):
return self._validate(activity_tool, message_uid=value)
def _validate_after_path_and_method_id(self, activity_tool, message, value):
if not isinstance(value, (tuple, list)) or len(value) < 2:
LOG('CMFActivity', WARNING,
'unable to recognize value for after_path_and_method_id: %r' % (value,))
return []
return self._validate(activity_tool, path=value[0], method_id=value[1])
def _validate_after_tag(self, activity_tool, message, value):
return self._validate(activity_tool, tag=value)
def _validate_after_tag_and_method_id(self, activity_tool, message, value):
# Count number of occurances of tag and method_id
if not isinstance(value, (tuple, list)) or len(value) < 2:
LOG('CMFActivity', WARNING,
'unable to recognize value for after_tag_and_method_id: %r' % (value,))
return []
return self._validate(activity_tool, tag=value[0], method_id=value[1])
def countMessage(self, activity_tool, tag=None, path=None,
method_id=None, message_uid=None, **kw):
"""Return the number of messages which match the given parameters.
"""
if isinstance(tag, str):
tag = [tag]
if isinstance(path, str):
path = [path]
if isinstance(method_id, str):
method_id = [method_id]
result = activity_tool.SQLDict_validateMessageList(method_id=method_id,
path=path,
message_uid=message_uid,
tag=tag,
count=1)
return result[0].uid_count
def countMessageWithTag(self, activity_tool, value):
"""Return the number of messages which match the given tag.
"""
return self.countMessage(activity_tool, tag=value)
# Required for tests (time shift)
def timeShift(self, activity_tool, delay, processing_node=None, retry=None):
"""
To simulate timeShift, we simply substract delay from
all dates in SQLDict message table
"""
activity_tool.SQLDict_timeShift(delay=delay, processing_node=processing_node,retry=retry)
registerActivity(SQLDict)