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Commit c8aae66a authored by Georgios Dagkakis's avatar Georgios Dagkakis
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comments and cleanup

parent 6687a7a2
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Showing with 47 additions and 22 deletions
dream/simulation/CapacityStationController.py
View file @ c8aae66a
......@@ -216,18 +216,22 @@ class CapacityStationController(EventGenerator):
def calculateWhatIsToBeProcessed(self):
import Globals
# calculate what space is available
availableSpace=self.assemblySpace-self.calculateConsumedSpace()
assert availableSpace>=0, 'negative available space'
# list to hold the buffers that are already considered (due to shared resources)
alreadyConsideredBuffers = []
# loop through the capacity station buffers
for buffer in G.CapacityStationBufferList:
# if the buffer was considered before (due to shared resources) continue
if buffer in alreadyConsideredBuffers:
continue
alreadyConsideredBuffers.append(buffer)
sharedBuffers = []
station=buffer.next[0] # get the station
# find the stations that share resources with the one considered now
if station.sharedResources:
sharedStations = station.sharedResources.get('stationIds',[])
for element in sharedStations:
......@@ -235,6 +239,8 @@ class CapacityStationController(EventGenerator):
b = s.previous[0]
sharedBuffers.append(b)
activeObjectQueue=buffer.getActiveObjectQueue()
# the entities considered should be the entities in the current buffer plus the ones in buffers
# of stations that share resources with the current one
entitiesConsidered=list(activeObjectQueue)
for b in sharedBuffers:
entitiesConsidered+=b.getActiveObjectQueue()
......@@ -249,8 +255,9 @@ class CapacityStationController(EventGenerator):
entitiesNotAllocated=list(entitiesConsidered)
allCapacityConsumed=False
# if there is no available capacity no need to do anything
if totalAvailableCapacity==0:
allCapacityConsumed=True
continue
while not allCapacityConsumed:
# list to keep entities that are within a threshold from the EDD
entitiesWithinThreshold=[]
......@@ -272,21 +279,29 @@ class CapacityStationController(EventGenerator):
# calculate the total capacity that is requested
totalRequestedCapacity=0
for entity in entitiesWithinThreshold:
if self.checkIfProjectCanStartInStation(entity.capacityProject, entity.currentStation.next[0]) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entity.currentStation))\
and self.checkIfThereIsEnoughSpace(entity, entity.currentStation, availableSpace):
# get buffer where the entity is and the station it requests to get in
entityBuffer=entity.currentStation
entityStation=entity.currentStation.next[0]
# entities that cannot start (due to space, need for assembly or earliest start)
# do not request for capacity
if self.checkIfProjectCanStartInStation(entity.capacityProject, entityStation) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entityBuffer))\
and self.checkIfThereIsEnoughSpace(entity, entityBuffer, availableSpace):
totalRequestedCapacity+=entity.requiredCapacity
# if there is enough capacity for all the entities set them that they all should move
if totalRequestedCapacity<=totalAvailableCapacity:
for entity in entitiesWithinThreshold:
if self.checkIfProjectCanStartInStation(entity.capacityProject, entity.currentStation.next[0]) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entity.currentStation))\
and self.checkIfThereIsEnoughSpace(entity, entity.currentStation, availableSpace):
# get buffer where the entity is and the station it requests to get in
entityBuffer=entity.currentStation
entityStation=entity.currentStation.next[0]
if self.checkIfProjectCanStartInStation(entity.capacityProject, entityStation) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entityBuffer))\
and self.checkIfThereIsEnoughSpace(entity, entityBuffer, availableSpace):
entity.shouldMove=True
# reduce the available space if there is need to
if entity.currentStation.requireFullProject and \
(not self.checkIfProjectConsumesAssemblySpace(entity, entity.currentStation)):
if entityBuffer.requireFullProject and \
(not self.checkIfProjectConsumesAssemblySpace(entity, entityBuffer)):
availableSpace-=entity.capacityProject.assemblySpaceRequirement
assert availableSpace>=0, 'negative available space'
......@@ -302,9 +317,12 @@ class CapacityStationController(EventGenerator):
# check in the entities outside the threshold if there is one or more that can be moved
haveMoreEntitiesToAllocate=False
for entity in entitiesOutsideThreshold:
if self.checkIfProjectCanStartInStation(entity.capacityProject, entity.currentStation.next[0]) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entity.currentStation))\
and self.checkIfThereIsEnoughSpace(entity, entity.currentStation, availableSpace):
# get buffer where the entity is and the station it requests to get in
entityBuffer=entity.currentStation
entityStation=entity.currentStation.next[0]
if self.checkIfProjectCanStartInStation(entity.capacityProject, entityStation) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entityBuffer))\
and self.checkIfThereIsEnoughSpace(entity, entityBuffer, availableSpace):
haveMoreEntitiesToAllocate=True
break
......@@ -320,22 +338,29 @@ class CapacityStationController(EventGenerator):
else:
allCapacityConsumed=True
entitiesToBeBroken=list(entitiesWithinThreshold)
entitiesToBeBroken.sort(key=lambda x: self.checkIfAProjectCanBeFinishedInStation(x,x.currentStation.next[0], totalAvailableCapacity) and self.prioritizeIfCanFinish,
# we sort the entities so the ones that can finish in current period (if any) go in front
entitiesToBeBroken.sort(key=lambda \
x: self.checkIfAProjectCanBeFinishedInStation(x,x.currentStation.next[0],
totalAvailableCapacity) \
and self.prioritizeIfCanFinish,
reverse=True)
# loop through the entities
for entity in entitiesToBeBroken:
# get buffer where the entity is and the station it requests to get in
entityBuffer=entity.currentStation
entityStation=entity.currentStation.next[0]
# consider only entities that can move - not those waiting for assembly or earliest start
if self.checkIfProjectCanStartInStation(entity.capacityProject, entity.currentStation.next[0]) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entity.currentStation)) and\
self.checkIfThereIsEnoughSpace(entity, entity.currentStation, availableSpace):
if self.checkIfProjectCanStartInStation(entity.capacityProject, entityStation) and\
(not self.checkIfProjectNeedsToBeAssembled(entity.capacityProject, entityBuffer)) and\
self.checkIfThereIsEnoughSpace(entity, entityBuffer, availableSpace):
# if we prioritize an entity that can completely finish then check for this
if self.checkIfAProjectCanBeFinishedInStation(entity, entity.currentStation.next[0], totalAvailableCapacity)\
if self.checkIfAProjectCanBeFinishedInStation(entity, entityStation, totalAvailableCapacity)\
and self.prioritizeIfCanFinish:
# set that the entity can move
entity.shouldMove=True
# reduce the available space if there is need to
if entity.currentStation.requireFullProject and \
(not self.checkIfProjectConsumesAssemblySpace(entity, entity.currentStation)):
if entityBuffer.requireFullProject and \
(not self.checkIfProjectConsumesAssemblySpace(entity, entityBuffer)):
availableSpace-=entity.capacityProject.assemblySpaceRequirement
assert availableSpace>=0, 'negative available space'
# update the values
......@@ -344,11 +369,11 @@ class CapacityStationController(EventGenerator):
# else break the entity according to rule
else:
self.breakEntity(entity, entity.currentStation, entity.currentStation.next[0],
self.breakEntity(entity, entityBuffer, entityStation,
totalAvailableCapacity, totalRequestedCapacity)
# reduce the available space if there is need to
if entity.currentStation.requireFullProject and \
(not self.checkIfProjectConsumesAssemblySpace(entity, entity.currentStation)):
if entityBuffer.requireFullProject and \
(not self.checkIfProjectConsumesAssemblySpace(entity, entityBuffer)):
availableSpace-=entity.capacityProject.assemblySpaceRequirement
assert availableSpace>=0, 'negative available space'
......
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