def removeTask( self, task ):
"""
remove task, jobs and their running instances from db
"""
# db connect
if self.db is None :
self.connect()
# remove jobs in db with non relational checks
if self.bossLiteDB.database == "SQLite":
# load running jobs
rjob = RunningJob( { 'taskId' : task['id'] } )
rjobList = self.db.select( rjob)
for rjob in rjobList :
rjob.remove( self.db )
# load jobs
job = Job( { 'taskId' : task['id'] } )
jobList = self.db.select( job)
for job in jobList :
job.remove( self.db )
# remove task
task.remove( self.db )
self.bossLiteDB.commit()
task = None
return task
def removeJob( self, job ):
"""
remove job and its running instances from db
"""
# db connect
if self.db is None :
self.connect()
# remove runnningjobs in db with non relational checks
if self.bossLiteDB.database == "SQLite":
# load running jobs
rjob = RunningJob( { 'jobId' : job['jobId'],
'taskId' : job['taskId'] } )
rjobList = self.db.select( rjob)
for rjob in rjobList :
rjob.remove( self.db )
# remove job
job.remove( self.db )
self.bossLiteDB.commit()
job = None
return job
def loadRunJobDistinct(self, taskId, distinctAttr, jobAttributes=None):
"""
retrieve job templates with distinct job attribute
"""
# db connect
if self.db is None:
self.connect()
# creating job
if jobAttributes is None:
job = RunningJob()
else:
job = RunningJob(jobAttributes)
job['taskId'] = taskId
# load job from db
jobList = self.db.selectDistinct(job, distinctAttr)
return jobList
def getRunningInstance(self, job, runningAttrs=None):
"""
retrieve RunningInstance where existing or create it
"""
# check whether the running instance is still loaded
if job.runningJob is not None:
return
# load if exixts
job.getRunningInstance(self.db)
# create it otherwise
if job.runningJob is None:
if runningAttrs is None:
run = RunningJob()
else:
run = RunningJob(runningAttrs)
job.newRunningInstance(run, self.db)
def closeRunningInstance(self, db):
"""
close the running instance.
it should be only one but ignore if there are more than one...
"""
# do not do anything if the job is not completely defined
if not self.valid(['jobId', 'taskId']):
return
# create template
template = RunningJob()
template['jobId'] = self['jobId']
template['taskId'] = self['taskId']
template['closed'] = "N"
# get running job
runningJobs = db.select(template)
# do for all of them (should be one...)
for job in runningJobs:
job["closed"] = "Y"
job.update(db)
def loadJobsByRunningAttr(self,
runningAttrs=None,
jobAttributes=None,
all=False,
strict=True,
limit=None,
offset=None,
jobList=None):
"""
retrieve job information from db for job
whose running instance match attributes
"""
# db connect
if self.db is None:
self.connect()
# creating running jobs
if runningAttrs is None:
run = RunningJob()
else:
run = RunningJob(runningAttrs)
# creating jobs
if jobAttributes is None:
job = Job()
else:
job = Job(jobAttributes)
# if requested, with a right join is possible to fill a running
# instance where missing
if all:
jType = 'right'
else:
jType = ''
# load bunch of jobs?
if jobList is None or jobList == []:
inList = None
else:
inList = {'jobId': jobList}
# load job from db
jMap = {
'jobId': 'jobId',
'taskId': 'taskId',
'submissionNumber': 'submission'
}
options = {
'strict': strict,
'jType': jType,
'limit': limit,
'offset': offset,
'inList': inList
}
runJobList = self.db.selectJoin( job, run, \
jMap=jMap , \
options=options )
# recall jobs
for job, runningJob in runJobList:
job.setRunningInstance(runningJob)
# return
return [key[0] for key in runJobList]