def _makeSegmentRecord(self, pmmlSegment, autoSegment=False):
pmmlPredicate, pmmlSubModel = pmmlSegment.matches(pmml.nonExtension)
originalId = pmmlSegment.attrib.get("id", None)
segmentRecord = SegmentRecord(pmmlSubModel, pmmlPredicate,
self.pmmlOutput, self, originalId)
if originalId is None:
pmmlSegment.attrib["id"] = segmentRecord.name()
modelClass = pmmlSubModel.__class__
algoName = self.producerAlgorithm[
modelClass.__name__].attrib["algorithm"]
segmentRecord.consumerAlgorithm = consumerAlgorithmMap[modelClass](
self, segmentRecord)
segmentRecord.producerAlgorithm = producerAlgorithmMap[
modelClass, algoName](self, segmentRecord)
segmentRecord.producerParameters = self.producerAlgorithm[
modelClass.__name__].parameters
self.setProvenance(pmmlSubModel, algoName,
segmentRecord.producerAlgorithm,
segmentRecord.producerParameters)
localTransformations = pmmlSubModel.child(pmml.LocalTransformations,
exception=False)
if localTransformations is not None:
segmentRecord.aggregates = localTransformations.matches(
pmml.Aggregate, maxdepth=None)
segmentRecord.aggregates.extend(
localTransformations.matches(pmml.X_ODG_AggregateReduce,
maxdepth=None))
else:
segmentRecord.aggregates = []
for aggregate in segmentRecord.aggregates:
aggregate.initialize(self.consumerUpdateScheme)
index = len(self.segmentRecords)
added = False
wantFastLookup = True
if wantFastLookup:
if _segmentHelpers.isSimpleEqual(pmmlPredicate):
allSimpleEquals = set([pmmlPredicate])
isOr = False
compoundAnds = []
elif _segmentHelpers.isCompoundAnd(pmmlPredicate):
allSimpleEquals = set()
compoundAnds = [pmmlPredicate]
isOr = False
elif isinstance(pmmlPredicate, pmml.pmmlFalse):
allSimpleEquals = []
compoundAnds = []
# If the top level predicate is False, nothing will ever match.
# Don't even put this in the lookup list (so set added=True).
added = True
else:
allSimpleEquals = set(
pmmlPredicate.matches(_segmentHelpers.isSimpleEqual))
compoundAnds = pmmlPredicate.matches(
_segmentHelpers.isCompoundAnd)
isOr = True
if len(allSimpleEquals) + len(compoundAnds) != len(
pmmlPredicate.children):
allSimpleEquals = compoundAnds = []
for element in compoundAnds:
if isOr: added = False
elif added: break
addEq = {}
addComp = {}
if element.child(pmml.pmmlTrue,
exception=False) or element.child(
pmml.pmmlFalse, exception=False):
# True short-circuits all matches; put it in the slow-lookup list self._lookup.other
allSimpleEquals = []
added = False
break
simpleEquals = element.matches(_segmentHelpers.isSimpleEqual)
if simpleEquals:
addEq = dict([(x['field'], x['value'])
for x in simpleEquals])
def matchesAddEq(x, y):
return x and y in addEq
simpleComparators = element.matches(
_segmentHelpers.isComparator)
if len(simpleComparators):
for s in simpleComparators:
field = s['field']
lowerBound = s['operator'].startswith("g") # greater
func = _segmentHelpers[s['operator']]
val = s['value']
if field not in addComp:
if lowerBound:
addComp[field] = ((val, func), (None, None))
else:
addComp[field] = ((None, None), (val, func))
else:
if lowerBound:
addComp[field] = ((val, func),
addComp[field][1])
else:
addComp[field] = (addComp[field][0], (val,
func))
elif not len(simpleEquals):
# If any of the compound ands have neither an equals nor a comparator
# the entire predicate has to be added to the slow-lookup list self._lookup.other
break
def matchesAddComp(x, y):
return x and y in addComp
for eqTuple, compTuple in self._lookup.tuples.keys():
if len(addEq) == len(eqTuple) and \
len(addComp) == len(compTuple) and \
reduce(matchesAddEq, eqTuple, True) and \
reduce(matchesAddComp, compTuple, True):
match = hash(tuple([addEq[key] for key in eqTuple]))
self._lookup.tuples[(eqTuple, compTuple)].setdefault(
match, []).append(index)
if len(compTuple):
d = self._lookup.tuples[(eqTuple,
compTuple)].setdefault(
MATCHRANGES, {})
for field, tup in addComp.iteritems():
if field not in d:
d[field] = {tup: [index]}
else:
d[field].setdefault(tup, []).append(index)
added = True
break
if not added:
compTuple = tuple(addComp.keys())
if len(addEq):
eqTuple, match = zip(*[[k, v]
for k, v in addEq.iteritems()])
match = hash(match)
self._lookup.tuples[(eqTuple, compTuple)] = {
match: [index]
}
else:
eqTuple = ()
d = self._lookup.tuples.setdefault((eqTuple, compTuple),
{})
if len(compTuple):
d = d.setdefault(MATCHRANGES, {})
for field, tup in addComp.iteritems():
d[field] = {tup: [index]}
added = True
for element in allSimpleEquals:
field = element['field']
value = hash(element['value'])
lookup = self._lookup.fields.setdefault(field, {})
lookup.setdefault(value, []).append(index)
added = True
if not added:
self._lookup.other.append(index)
if self.firstSegment:
self.metadata.data["Total segments"] = 0
self.metadata.data["New segments created"] = 0
self.metadata.data["Average aggregations per segment"] = len(
segmentRecord.aggregates)
self.metadata.data["Average predicates per segment"] = (
1.0 +
len(pmmlPredicate.matches(lambda x: True, maxdepth=None)))
self.metadata.data["Average local transformations per segment"] = \
len(segmentRecord.pmmlModel.dataContext.cast) - len(self.pmmlModel.dataContext.cast)
self.firstSegment = False
self.metadata.data[
"First segment model type"] = segmentRecord.pmmlModel.tag
self.segmentRecords.append(segmentRecord)
if autoSegment:
segmentRecord.initialize(existingSegment=False,
customProcessing=self.customProcessing,
setModelMaturity=(not self.hasProducer))
self.pmmlFile.subModels.append(segmentRecord.pmmlModel)
if self.customProcessing is not None:
self.customProcessing.allSegments.append(
segmentRecord.userFriendly)
self.metadata.data["New segments created"] += 1
self.metadata.info(
"New segment created: %s, ID=%s" %
(segmentRecord.expressionTree, segmentRecord.name()))
segmentRecord.pmmlModel.dataContext.clear()
self.metadata.data["Total segments"] += 1
increment = 1.0 / float(self.metadata.data["Total segments"])
self.metadata.data["Average aggregations per segment"] *= (1.0 -
increment)
self.metadata.data["Average aggregations per segment"] += len(
segmentRecord.aggregates) * increment
self.metadata.data["Average predicates per segment"] *= (1.0 -
increment)
self.metadata.data["Average predicates per segment"] += (1.0 + len(
pmmlPredicate.matches(lambda x: True, maxdepth=None))) * increment
self.metadata.data["Average local transformations per segment"] *= (
1.0 - increment)
self.metadata.data["Average local transformations per segment"] += \
(len(segmentRecord.pmmlModel.dataContext.cast) - len(self.pmmlModel.dataContext.cast)) * increment
return segmentRecord
def _makeSegmentRecord(self, pmmlSegment, autoSegment=False):
pmmlPredicate, pmmlSubModel = pmmlSegment.matches(pmml.nonExtension)
segmentRecord = SegmentRecord(pmmlSubModel, pmmlPredicate, self.pmmlOutput, self, pmmlSegment.attrib.get("id", None))
modelClass = pmmlSubModel.__class__
algoName = self.producerAlgorithm[modelClass.__name__].attrib["algorithm"]
segmentRecord.consumerAlgorithm = consumerAlgorithmMap[modelClass](self, segmentRecord)
segmentRecord.producerAlgorithm = producerAlgorithmMap[modelClass, algoName](self, segmentRecord)
segmentRecord.producerParameters = self.producerAlgorithm[modelClass.__name__].parameters
self.setProvenance(pmmlSubModel, algoName, segmentRecord.producerAlgorithm, segmentRecord.producerParameters)
localTransformations = pmmlSubModel.child(pmml.LocalTransformations, exception=False)
if localTransformations is not None:
segmentRecord.aggregates = localTransformations.matches(pmml.Aggregate, maxdepth=None)
segmentRecord.aggregates.extend(localTransformations.matches(pmml.X_ODG_AggregateReduce, maxdepth=None))
else:
segmentRecord.aggregates = []
for aggregate in segmentRecord.aggregates:
aggregate.initialize(self.consumerUpdateScheme)
index = len(self.segmentRecords)
added = False
wantFastLookup = True
if wantFastLookup:
if _segmentHelpers.isSimpleEqual(pmmlPredicate):
allSimpleEquals = set([pmmlPredicate])
isOr = False
compoundAnds = []
elif _segmentHelpers.isCompoundAnd(pmmlPredicate):
allSimpleEquals = set()
compoundAnds = [pmmlPredicate]
isOr = False
elif isinstance(pmmlPredicate, pmml.pmmlFalse):
allSimpleEquals = []
compoundAnds = []
# If the top level predicate is False, nothing will ever match.
# Don't even put this in the lookup list (so set added=True).
added = True
else:
allSimpleEquals = set(pmmlPredicate.matches(_segmentHelpers.isSimpleEqual))
compoundAnds = pmmlPredicate.matches(_segmentHelpers.isCompoundAnd)
isOr = True
if len(allSimpleEquals) + len(compoundAnds) != len(pmmlPredicate.children):
allSimpleEquals = compoundAnds = []
for element in compoundAnds:
if isOr: added = False
elif added: break
addEq = {}
addComp = {}
if element.child(pmml.pmmlTrue, exception=False) or element.child(pmml.pmmlFalse, exception=False):
# True short-circuits all matches; put it in the slow-lookup list self._lookup.other
allSimpleEquals = []
added = False
break
simpleEquals = element.matches(_segmentHelpers.isSimpleEqual)
if simpleEquals:
addEq = dict([(x['field'], x['value']) for x in simpleEquals])
def matchesAddEq(x, y):
return x and y in addEq
simpleComparators = element.matches(_segmentHelpers.isComparator)
if len(simpleComparators):
for s in simpleComparators:
field = s['field']
lowerBound = s['operator'].startswith("g") # greater
func = _segmentHelpers[s['operator']]
val = s['value']
if field not in addComp:
if lowerBound:
addComp[field] = ((val, func), (None, None))
else:
addComp[field] = ((None, None), (val, func))
else:
if lowerBound:
addComp[field] = ((val, func), addComp[field][1])
else:
addComp[field] = (addComp[field][0], (val, func))
elif not len(simpleEquals):
# If any of the compound ands have neither an equals nor a comparator
# the entire predicate has to be added to the slow-lookup list self._lookup.other
break
def matchesAddComp(x, y):
return x and y in addComp
for eqTuple, compTuple in self._lookup.tuples.keys():
if len(addEq) == len(eqTuple) and \
len(addComp) == len(compTuple) and \
reduce(matchesAddEq, eqTuple, True) and \
reduce(matchesAddComp, compTuple, True):
match = hash(tuple([addEq[key] for key in eqTuple]))
self._lookup.tuples[(eqTuple, compTuple)].setdefault(match,[]).append(index)
if len(compTuple):
d = self._lookup.tuples[(eqTuple, compTuple)].setdefault(MATCHRANGES,{})
for field, tup in addComp.iteritems():
if field not in d:
d[field] = {tup:[index]}
else:
d[field].setdefault(tup, []).append(index)
added = True
break
if not added:
compTuple = tuple(addComp.keys())
if len(addEq):
eqTuple, match = zip(*[[k,v] for k,v in addEq.iteritems()])
match = hash(match)
self._lookup.tuples[(eqTuple, compTuple)] = {match:[index]}
else:
eqTuple = ()
d = self._lookup.tuples.setdefault((eqTuple, compTuple), {})
if len(compTuple):
d = d.setdefault(MATCHRANGES, {})
for field, tup in addComp.iteritems():
d[field] = {tup:[index]}
added = True
for element in allSimpleEquals:
field = element['field']
value = hash(element['value'])
lookup = self._lookup.fields.setdefault(field, {})
lookup.setdefault(value, []).append(index)
added = True
if not added:
self._lookup.other.append(index)
if self.firstSegment:
self.metadata.data["Total segments"] = 0
self.metadata.data["New segments created"] = 0
self.metadata.data["Average aggregations per segment"] = len(segmentRecord.aggregates)
self.metadata.data["Average predicates per segment"] = (1.0 + len(pmmlPredicate.matches(lambda x: True, maxdepth=None)))
self.metadata.data["Average local transformations per segment"] = \
len(segmentRecord.pmmlModel.dataContext.cast) - len(self.pmmlModel.dataContext.cast)
self.firstSegment = False
self.metadata.data["First segment model type"] = segmentRecord.pmmlModel.tag
self.segmentRecords.append(segmentRecord)
if autoSegment:
segmentRecord.initialize(existingSegment=False)
self.pmmlFile.subModels.append(segmentRecord.pmmlModel)
self.metadata.data["New segments created"] += 1
self.metadata.info("New segment created: %s, ID=%s" % (segmentRecord.expressionTree, segmentRecord.name()))
segmentRecord.pmmlModel.dataContext.clear()
self.metadata.data["Total segments"] += 1
increment = 1.0 / float(self.metadata.data["Total segments"])
self.metadata.data["Average aggregations per segment"] *= (1.0 - increment)
self.metadata.data["Average aggregations per segment"] += len(segmentRecord.aggregates) * increment
self.metadata.data["Average predicates per segment"] *= (1.0 - increment)
self.metadata.data["Average predicates per segment"] += (1.0 + len(pmmlPredicate.matches(lambda x: True, maxdepth=None))) * increment
self.metadata.data["Average local transformations per segment"] *= (1.0 - increment)
self.metadata.data["Average local transformations per segment"] += \
(len(segmentRecord.pmmlModel.dataContext.cast) - len(self.pmmlModel.dataContext.cast)) * increment
return segmentRecord
def initialize(self):
"""Interpret PMML file, set up SegmentRecords list, and
initialize all algorithms."""
self.firstSegment = True
# set up the header, so that our models can be stamped with time and event number
header = self.pmmlFile.child(pmml.Header)
if header.exists(pmml.Extension):
headerExtension = header.child(pmml.Extension)
else:
headerExtension = pmml.Extension()
header.children.insert(0, headerExtension)
if headerExtension.exists(pmml.X_ODG_RandomSeed):
del headerExtension[headerExtension.index(pmml.X_ODG_RandomSeed)]
augustusRandomSeed = pmml.X_ODG_RandomSeed(
value=self.augustusRandomSeed)
headerExtension.children.append(augustusRandomSeed)
if headerExtension.exists(pmml.X_ODG_Eventstamp):
del headerExtension[headerExtension.index(pmml.X_ODG_Eventstamp)]
self.eventStamp = pmml.X_ODG_Eventstamp(number=0)
headerExtension.children.append(self.eventStamp)
if header.exists(pmml.Timestamp):
del header[header.index(pmml.Timestamp)]
self.timeStamp = pmml.Timestamp(
xmlbase.XMLText(datetime.datetime.today().isoformat()))
header.children.append(self.timeStamp)
# select the first model or select a model by name
if self.modelName is None:
self.pmmlModel = self.pmmlFile.topModels[0]
else:
self.pmmlModel = None
for model in self.pmmlFile.topModels:
if "modelName" in model.attrib and model.attrib[
"modelName"] == self.modelName:
self.pmmlModel = model
break
if self.pmmlModel is None:
raise RuntimeError, "No model named \"%s\" was found in the PMML file" % self.modelName
# connect the dataContext to the dataStream, so that events will flow from the input file into the transformations
self.resetDataStream(self.dataStream)
# clear the cache the model DataContexts (initializes some dictionaries)
self.pmmlModel.dataContext.clear()
if self.pmmlModel.dataContext.transformationDictionary:
self.metadata.data["Transformation dictionary elements"] = len(
self.pmmlModel.dataContext.transformationDictionary.cast)
else:
self.metadata.data["Transformation dictionary elements"] = 0
self.segmentRecords = []
self._lookup = NameSpace(tuples={}, fields={}, other=[])
SegmentRecord.maturityThreshold = self.maturityThreshold
SegmentRecord.lockingThreshold = self.lockingThreshold
if self.pmmlFile.exists(pmml.TransformationDictionary):
if self.pmmlFile.child(pmml.TransformationDictionary).exists(
pmml.Aggregate, maxdepth=None):
raise NotImplementedError, "Aggregate transformations in the TransformationDictionary are not supported"
if self.pmmlFile.child(pmml.TransformationDictionary).exists(
pmml.X_ODG_AggregateReduce, maxdepth=None):
raise NotImplementedError, "X-ODG-AggregateReduce transformations in the TransformationDictionary are not supported"
# MiningModels are special because we handle segmentation at the Engine level
# Currently no support for MiningModels nested within MiningModels
if isinstance(self.pmmlModel, pmml.MiningModel):
self.pmmlOutput = self.pmmlModel.child(pmml.Output,
exception=False)
segmentation = self.pmmlModel.child(pmml.Segmentation,
exception=False)
# for now, assume a MiningModel without any segments will be populated through autosegmentation
if self.pmmlModel.exists(pmml.LocalTransformations):
if self.pmmlModel.child(pmml.LocalTransformations).exists(
pmml.Aggregate, maxdepth=None):
raise NotImplementedError, "Aggregate transformations in the MiningModel's LocalTransformations are not supported"
if self.pmmlModel.child(pmml.LocalTransformations).exists(
pmml.X_ODG_AggregateReduce, maxdepth=None):
raise NotImplementedError, "X-ODG-AggregateReduce transformations in the MiningModel's LocalTransformations are not supported"
if segmentation.attrib["multipleModelMethod"] == "selectFirst":
self.multipleModelMethod = SELECTFIRST
elif segmentation.attrib["multipleModelMethod"] == "selectAll":
self.multipleModelMethod = SELECTALL
else:
raise NotImplementedError, "Only 'selectFirst', 'selectAll', and no segmentation have been implemented."
self.metadata.data[
"Match all segments"] = self.multipleModelMethod != SELECTFIRST
for pmmlSegment in segmentation.matches(pmml.Segment):
self._makeSegmentRecord(pmmlSegment)
else:
self.multipleModelMethod = SELECTONLY
segmentRecord = SegmentRecord(self.pmmlModel, None, None, self)
modelClass = self.pmmlModel.__class__
algoName = self.producerAlgorithm[
modelClass.__name__].attrib["algorithm"]
segmentRecord.consumerAlgorithm = consumerAlgorithmMap[modelClass](
self, segmentRecord)
segmentRecord.producerAlgorithm = producerAlgorithmMap[
modelClass, algoName](self, segmentRecord)
segmentRecord.producerParameters = self.producerAlgorithm[
modelClass.__name__].parameters
self.setProvenance(self.pmmlModel, algoName,
segmentRecord.producerAlgorithm,
segmentRecord.producerParameters)
localTransformations = self.pmmlModel.child(
pmml.LocalTransformations, exception=False)
if localTransformations is not None:
segmentRecord.aggregates = localTransformations.matches(
pmml.Aggregate, maxdepth=None)
segmentRecord.aggregates.extend(
localTransformations.matches(pmml.X_ODG_AggregateReduce,
maxdepth=None))
else:
segmentRecord.aggregates = []
for aggregate in segmentRecord.aggregates:
aggregate.initialize(self.consumerUpdateScheme)
self.segmentRecords.append(segmentRecord)
self.metadata.data[
"First segment model type"] = segmentRecord.pmmlModel.tag
self.reinitialize()
def initialize(self):
"""Interpret PMML file, set up SegmentRecords list, and
initialize all algorithms."""
self.firstSegment = True
# set up the header, so that our models can be stamped with time and event number
header = self.pmmlFile.child(pmml.Header)
if header.exists(pmml.Extension):
headerExtension = header.child(pmml.Extension)
else:
headerExtension = pmml.Extension()
header.children.insert(0, headerExtension)
if headerExtension.exists(pmml.X_ODG_RandomSeed):
del headerExtension[headerExtension.index(pmml.X_ODG_RandomSeed)]
augustusRandomSeed = pmml.X_ODG_RandomSeed(value=self.augustusRandomSeed)
headerExtension.children.append(augustusRandomSeed)
if headerExtension.exists(pmml.X_ODG_Eventstamp):
del headerExtension[headerExtension.index(pmml.X_ODG_Eventstamp)]
self.eventStamp = pmml.X_ODG_Eventstamp(number=0)
headerExtension.children.append(self.eventStamp)
if header.exists(pmml.Timestamp):
del header[header.index(pmml.Timestamp)]
self.timeStamp = pmml.Timestamp(xmlbase.XMLText(datetime.datetime.today().isoformat()))
header.children.append(self.timeStamp)
# select the first model or select a model by name
if self.modelName is None:
self.pmmlModel = self.pmmlFile.topModels[0]
else:
self.pmmlModel = None
for model in self.pmmlFile.topModels:
if "modelName" in model.attrib and model.attrib["modelName"] == self.modelName:
self.pmmlModel = model
break
if self.pmmlModel is None:
raise RuntimeError, "No model named \"%s\" was found in the PMML file" % self.modelName
# connect the dataContext to the dataStream, so that events will flow from the input file into the transformations
self.resetDataStream(self.dataStream)
# clear the cache the model DataContexts (initializes some dictionaries)
self.pmmlModel.dataContext.clear()
if self.pmmlModel.dataContext.transformationDictionary:
self.metadata.data["Transformation dictionary elements"] = len(self.pmmlModel.dataContext.transformationDictionary.cast)
else:
self.metadata.data["Transformation dictionary elements"] = 0
self.segmentRecords = []
self._lookup = NameSpace(tuples={}, fields={}, other=[])
SegmentRecord.maturityThreshold = self.maturityThreshold
SegmentRecord.lockingThreshold = self.lockingThreshold
if self.pmmlFile.exists(pmml.TransformationDictionary):
if self.pmmlFile.child(pmml.TransformationDictionary).exists(pmml.Aggregate, maxdepth=None):
raise NotImplementedError, "Aggregate transformations in the TransformationDictionary are not supported"
if self.pmmlFile.child(pmml.TransformationDictionary).exists(pmml.X_ODG_AggregateReduce, maxdepth=None):
raise NotImplementedError, "X-ODG-AggregateReduce transformations in the TransformationDictionary are not supported"
# MiningModels are special because we handle segmentation at the Engine level
# Currently no support for MiningModels nested within MiningModels
if isinstance(self.pmmlModel, pmml.MiningModel):
self.pmmlOutput = self.pmmlModel.child(pmml.Output, exception=False)
segmentation = self.pmmlModel.child(pmml.Segmentation, exception=False)
# for now, assume a MiningModel without any segments will be populated through autosegmentation
if self.pmmlModel.exists(pmml.LocalTransformations):
if self.pmmlModel.child(pmml.LocalTransformations).exists(pmml.Aggregate, maxdepth=None):
raise NotImplementedError, "Aggregate transformations in the MiningModel's LocalTransformations are not supported"
if self.pmmlModel.child(pmml.LocalTransformations).exists(pmml.X_ODG_AggregateReduce, maxdepth=None):
raise NotImplementedError, "X-ODG-AggregateReduce transformations in the MiningModel's LocalTransformations are not supported"
if segmentation.attrib["multipleModelMethod"] == "selectFirst":
self.multipleModelMethod = SELECTFIRST
elif segmentation.attrib["multipleModelMethod"] == "selectAll":
self.multipleModelMethod = SELECTALL
else:
raise NotImplementedError, "Only 'selectFirst', 'selectAll', and no segmentation have been implemented."
self.metadata.data["Match all segments"] = self.multipleModelMethod != SELECTFIRST
for pmmlSegment in segmentation.matches(pmml.Segment):
self._makeSegmentRecord(pmmlSegment)
else:
self.multipleModelMethod = SELECTONLY
segmentRecord = SegmentRecord(self.pmmlModel, None, None, self)
modelClass = self.pmmlModel.__class__
algoName = self.producerAlgorithm[modelClass.__name__].attrib["algorithm"]
segmentRecord.consumerAlgorithm = consumerAlgorithmMap[modelClass](self, segmentRecord)
segmentRecord.producerAlgorithm = producerAlgorithmMap[modelClass, algoName](self, segmentRecord)
segmentRecord.producerParameters = self.producerAlgorithm[modelClass.__name__].parameters
self.setProvenance(self.pmmlModel, algoName, segmentRecord.producerAlgorithm, segmentRecord.producerParameters)
localTransformations = self.pmmlModel.child(pmml.LocalTransformations, exception=False)
if localTransformations is not None:
segmentRecord.aggregates = localTransformations.matches(pmml.Aggregate, maxdepth=None)
segmentRecord.aggregates.extend(localTransformations.matches(pmml.X_ODG_AggregateReduce, maxdepth=None))
else:
segmentRecord.aggregates = []
for aggregate in segmentRecord.aggregates:
aggregate.initialize(self.consumerUpdateScheme)
self.segmentRecords.append(segmentRecord)
self.metadata.data["First segment model type"] = segmentRecord.pmmlModel.tag
for segmentRecord in self.segmentRecords:
segmentRecord.initialize(existingSegment=True)
