def doWork(self):
# Find all work items with the same push ID and find the highest
# priority. Delete matching work items.
results = (yield Select([self.table.WORK_ID, self.table.PRIORITY,
self.table.PUSH_ID],
From=self.table, Where=self.table.PUSH_ID == self.pushID).on(
self.transaction))
maxPriority = self.priority
# If there are other enqueued work items for this push ID, find the
# highest priority one and use that value
if results:
workIDs = []
for workID, priority, pushID in results:
if priority > maxPriority:
maxPriority = priority
workIDs.append(workID)
# Delete the work items we selected
yield Delete(From=self.table,
Where=self.table.WORK_ID.In(
Parameter("workIDs", len(workIDs)))
).on(self.transaction, workIDs=workIDs)
pushDistributor = self.transaction._pushDistributor
if pushDistributor is not None:
# Convert the integer priority value back into a constant
priority = PushPriority.lookupByValue(maxPriority)
yield pushDistributor.enqueue(self.transaction, self.pushID,
priority=priority)
def doWork(self):
# Find all work items with the same push ID and find the highest
# priority. Delete matching work items.
results = (yield Select([self.table.WORK_ID, self.table.JOB_ID, self.table.PUSH_PRIORITY],
From=self.table, Where=self.table.PUSH_ID == self.pushID).on(
self.transaction))
maxPriority = self.pushPriority
# If there are other enqueued work items for this push ID, find the
# highest priority one and use that value
if results:
workIDs, jobIDs, priorities = zip(*results)
maxPriority = max(priorities)
# Delete the work items and jobs we selected - deleting the job will ensure that there are no
# orphaned" jobs left in the job queue which would otherwise get to run at some later point,
# though not do anything because there is no related work item.
yield Delete(
From=self.table,
Where=self.table.WORK_ID.In(Parameter("workIDs", len(workIDs)))
).on(self.transaction, workIDs=workIDs)
yield Delete(
From=JobItem.table, #@UndefinedVariable
Where=JobItem.jobID.In(Parameter("jobIDs", len(jobIDs))) #@UndefinedVariable
).on(self.transaction, jobIDs=jobIDs)
pushDistributor = self.transaction._pushDistributor
if pushDistributor is not None:
# Convert the integer priority value back into a constant
priority = PushPriority.lookupByValue(maxPriority)
yield pushDistributor.enqueue(self.transaction, self.pushID, priority=priority)
def enqueueFromWorker(self, id, dataChangedTimestamp=None,
priority=PushPriority.high.value):
if dataChangedTimestamp is None:
dataChangedTimestamp = int(time.time())
self.master.enqueue(None, id, dataChangedTimestamp=dataChangedTimestamp,
priority=PushPriority.lookupByValue(priority))
return {"status" : "OK"}
def doWork(self):
# Find all work items with the same push ID and find the highest
# priority. Delete matching work items.
results = (yield Select(
[self.table.WORK_ID, self.table.JOB_ID, self.table.PUSH_PRIORITY],
From=self.table,
Where=self.table.PUSH_ID == self.pushID).on(self.transaction))
maxPriority = self.pushPriority
# If there are other enqueued work items for this push ID, find the
# highest priority one and use that value
if results:
workIDs, jobIDs, priorities = zip(*results)
maxPriority = max(priorities)
# Delete the work items and jobs we selected - deleting the job will ensure that there are no
# orphaned" jobs left in the job queue which would otherwise get to run at some later point,
# though not do anything because there is no related work item.
yield Delete(From=self.table,
Where=self.table.WORK_ID.In(
Parameter("workIDs",
len(workIDs)))).on(self.transaction,
workIDs=workIDs)
yield Delete(
From=JobItem.table, #@UndefinedVariable
Where=JobItem.jobID.In(Parameter(
"jobIDs", len(jobIDs))) #@UndefinedVariable
).on(self.transaction, jobIDs=jobIDs)
pushDistributor = self.transaction._pushDistributor
if pushDistributor is not None:
# Convert the integer priority value back into a constant
priority = PushPriority.lookupByValue(maxPriority)
yield pushDistributor.enqueue(self.transaction,
self.pushID,
priority=priority)
def notificationForID(self, id, dataChangedTimestamp, priority):
yield self.callback(id, dataChangedTimestamp,
PushPriority.lookupByValue(priority))
returnValue({"status": "OK"})
def notificationForID(self, id, dataChangedTimestamp, priority):
yield self.callback(id, dataChangedTimestamp, PushPriority.lookupByValue(priority))
returnValue({"status" : "OK"})