def start_workflow_execution(self, vistrail=None, pipeline=None,
currentVersion=None):
if vistrail is not None:
parent_type = Vistrail.vtType
parent_id = vistrail.id
else:
parent_type = Pipeline.vtType
parent_id = pipeline.id
wf_exec_id = self.log.id_scope.getNewId(WorkflowExec.vtType)
if vistrail is not None:
session = vistrail.current_session
else:
session = None
self.workflow_exec = WorkflowExec(id=wf_exec_id,
user=core.system.current_user(),
ip=core.system.current_ip(),
vt_version= \
core.system.vistrails_version(),
ts_start=core.system.current_time(),
parent_type=parent_type,
parent_id=parent_id,
parent_version=currentVersion,
completed=0,
session=session)
self.log.add_workflow_exec(self.workflow_exec)
