def prototype_elements(self):
left_association = DatasetCollectionElement(
element=HistoryDatasetAssociation(),
element_identifier=FORWARD_IDENTIFIER,
)
right_association = DatasetCollectionElement(
element=HistoryDatasetAssociation(),
element_identifier=REVERSE_IDENTIFIER,
)
yield left_association
yield right_association
def generate_elements(self, elements):
forward_dataset = elements.get(FORWARD_IDENTIFIER)
reverse_dataset = elements.get(REVERSE_IDENTIFIER)
if forward_dataset:
left_association = DatasetCollectionElement(
element=forward_dataset,
element_identifier=FORWARD_IDENTIFIER,
)
yield left_association
if reverse_dataset:
right_association = DatasetCollectionElement(
element=reverse_dataset,
element_identifier=REVERSE_IDENTIFIER,
)
yield right_association
def generate_elements(self, elements):
forward_dataset = elements.get(FORWARD_IDENTIFIER, None)
reverse_dataset = elements.get(REVERSE_IDENTIFIER, None)
if not forward_dataset or not reverse_dataset:
self._validation_failed(INVALID_IDENTIFIERS_MESSAGE)
left_association = DatasetCollectionElement(
element=forward_dataset,
element_identifier=FORWARD_IDENTIFIER,
)
right_association = DatasetCollectionElement(
element=reverse_dataset,
element_identifier=REVERSE_IDENTIFIER,
)
yield left_association
yield right_association
def build_collection(self, elements):
forward_dataset = elements.get(FORWARD_IDENTIFIER, None)
reverse_dataset = elements.get(REVERSE_IDENTIFIER, None)
if not forward_dataset or not reverse_dataset:
self._validation_failed(INVALID_IDENTIFIERS_MESSAGE)
left_association = DatasetCollectionElement(
element=forward_dataset,
element_identifier=FORWARD_IDENTIFIER,
)
right_association = DatasetCollectionElement(
element=reverse_dataset,
element_identifier=REVERSE_IDENTIFIER,
)
return self._new_collection_for_elements(
[left_association, right_association])
def generate_elements( self, elements ):
for identifier, element in elements.iteritems():
association = DatasetCollectionElement(
element=element,
element_identifier=identifier,
)
yield association
def build_collection(self, elements):
associations = []
for identifier, element in elements.iteritems():
association = DatasetCollectionElement(
element=element,
element_identifier=identifier,
)
associations.append(association)
return self._new_collection_for_elements(associations)