def _split_test(cr, workitem, split_mode, ident, signal=None, stack=None):
cr.execute('select * from wkf_transition where act_from=%s', (workitem['act_id'],))
test = False
transitions = []
alltrans = cr.dictfetchall()
if split_mode=='XOR' or split_mode=='OR':
for transition in alltrans:
if wkf_expr.check(cr, workitem, ident, transition,signal):
test = True
transitions.append((transition['id'], workitem['inst_id']))
if split_mode=='XOR':
break
else:
test = True
for transition in alltrans:
if not wkf_expr.check(cr, workitem, ident, transition,signal):
test = False
break
cr.execute('select count(*) from wkf_witm_trans where trans_id=%s and inst_id=%s', (transition['id'], workitem['inst_id']))
if not cr.fetchone()[0]:
transitions.append((transition['id'], workitem['inst_id']))
if test and len(transitions):
cr.executemany('insert into wkf_witm_trans (trans_id,inst_id) values (%s,%s)', transitions)
cr.execute('delete from wkf_workitem where id=%s', (workitem['id'],))
for t in transitions:
_join_test(cr, t[0], t[1], ident, stack)
return True
return False
def _split_test(cr, workitem, split_mode, ident, signal=None, stack=None):
if stack is None:
raise 'Error !!!'
cr.execute('select * from wkf_transition where act_from=%s', (workitem['act_id'],))
test = False
transitions = []
alltrans = cr.dictfetchall()
if split_mode=='XOR' or split_mode=='OR':
for transition in alltrans:
if wkf_expr.check(cr, workitem, ident, transition,signal):
test = True
transitions.append((transition['id'], workitem['inst_id']))
if split_mode=='XOR':
break
else:
test = True
for transition in alltrans:
if not wkf_expr.check(cr, workitem, ident, transition,signal):
test = False
break
cr.execute('select count(*) from wkf_witm_trans where trans_id=%s and inst_id=%s', (transition['id'], workitem['inst_id']))
if not cr.fetchone()[0]:
transitions.append((transition['id'], workitem['inst_id']))
if test and len(transitions):
cr.executemany('insert into wkf_witm_trans (trans_id,inst_id) values (%s,%s)', transitions)
cr.execute('delete from wkf_workitem where id=%s', (workitem['id'],))
for t in transitions:
_join_test(cr, t[0], t[1], ident, stack)
return True
return False
def _split_test(cr, workitem, split_mode, ident, signal=None, stack=None):
""" Attempt to move the workitem to a target state denoted by signal
@param cr: database handle
@param workitem: dict of the workitem to process
@param split_mode: Can be 'xor', 'or', or 'and' controls how the
next workitems get generated? #FIXME
@param ident: tuple of (uid, dotted model name, resource id )
@param signal: desired signal (or transition name) to follow
this will filter the list of possible transitions to
only that signal noted.
@param stack: ???
"""
if stack is None:
raise 'Error !!!'
# Find all transitions out of the current activity node. Depending on the
# splitting style of the current activity node, create a list of possible
# allowed transitions this record can follow.
cr.execute('select * from wkf_transition where act_from=%s',
(workitem['act_id'], ))
test = False
transitions = []
alltrans = cr.dictfetchall()
if split_mode == 'XOR' or split_mode == 'OR':
for transition in alltrans:
if wkf_expr.check(cr, workitem, ident, transition, signal):
if config['debug_workflow']:
_logger.debug(" {m} split {i[1]},{i[2]} workitem,{w[id]} "\
"transition {t[id]},{t[signal]} OK".format(
w=workitem,i=ident,s=signal,t=transition,m=split_mode)
)
test = True
transitions.append((transition['id'], workitem['inst_id']))
# XOR only allows one transition so break after finding the first one
if split_mode == 'XOR':
break
else:
if config['debug_workflow']:
_logger.debug(" {m} split {i[1]},{i[2]} workitem,{w[id]} "\
"transition {t[id]},{t[signal]} NOK".format(
w=workitem,i=ident,s=signal,t=transition,m=split_mode)
)
# If the split mode is 'AND', we only progress when ALL transitions can be
# followed
else:
test = True
for transition in alltrans:
if not wkf_expr.check(cr, workitem, ident, transition, signal):
test = False
if config['debug_workflow']:
_logger.debug(
" {m} split {i[1]},{i[2]} workitem,{w[id]} transition {t[id]},{t[signal]} NOK"
.format(w=workitem,
i=ident,
s=signal,
t=transition,
m=split_mode))
break
else:
if config['debug_workflow']:
_logger.debug(
" {m} split {i[1]},{i[2]} workitem,{w[id]} transition {t[id]},{t[signal]} OK"
.format(w=workitem,
i=ident,
s=signal,
t=transition,
m=split_mode))
cr.execute(
'select count(*) from wkf_witm_trans where trans_id=%s and inst_id=%s',
(transition['id'], workitem['inst_id']))
if not cr.fetchone()[0]:
transitions.append((transition['id'], workitem['inst_id']))
# If we now have some transitions, let's move the instance into the new states
# via wkf_workitems. Note that this sytem create a list of entries in
# wkf_witm_trans then turns them into new wkf_workitems. I guess we do things
# this way to take advantage of the create method's processing of associated actions
if test and len(transitions):
cr.executemany(
'insert into wkf_witm_trans (trans_id,inst_id) values (%s,%s)',
transitions)
cr.execute('delete from wkf_workitem where id=%s', (workitem['id'], ))
for t in transitions:
_join_test(cr, t[0], t[1], ident, stack)
return True
return False