def save(self):
"""Save and serialize the iterator as a machine-readable format"""
saved_filter = SavedFilterIterator()
source_field = self._source.serialized_name() + '_source'
getattr(saved_filter, source_field).CopyFrom(self._source.save())
saved_filter.expression = self._raw_expression
if self._mu is not None:
pyDict_to_protoDict(self._mu, saved_filter.mu)
return saved_filter
def save(self) -> SavedBindIterator:
"""Save and serialize the iterator as a Protobuf message"""
saved_bind = SavedBindIterator()
if self._source is not None:
source_field = self._source.serialized_name() + '_source'
getattr(saved_bind, source_field).CopyFrom(self._source.save())
saved_bind.bindexpr = self._expr
saved_bind.bindvar = self._bindvar
if self._mu is not None:
pyDict_to_protoDict(self._mu, saved_bind.mu)
return saved_bind
def save(self) -> SavedIndexJoinIterator:
"""Save and serialize the iterator as a Protobuf message"""
saved_join = SavedIndexJoinIterator()
# export left source
left_field = self._left.serialized_name() + '_left'
getattr(saved_join, left_field).CopyFrom(self._left.save())
# export right source
right_field = self._right.serialized_name() + '_right'
getattr(saved_join, right_field).CopyFrom(self._right.save())
if self._current_mappings is not None:
pyDict_to_protoDict(self._current_mappings, saved_join.muc)
return saved_join
def save(self) -> SavedScanIterator:
"""Save and serialize the iterator as a Protobuf message"""
saved_scan = SavedScanIterator()
triple = TriplePattern()
triple.subject = self._pattern['subject']
triple.predicate = self._pattern['predicate']
triple.object = self._pattern['object']
triple.graph = self._pattern['graph']
saved_scan.pattern.CopyFrom(triple)
saved_scan.cardinality = self._cardinality
if self._current_mappings is not None:
pyDict_to_protoDict(self._current_mappings, saved_scan.muc)
saved_scan.last_read = self._source.last_read()
if self._start_timestamp is not None:
saved_scan.timestamp = self._start_timestamp.isoformat()
if self._mu is not None:
pyDict_to_protoDict(self._mu, saved_scan.mu)
return saved_scan
def save(self):
"""Save the operator using protobuf"""
saved_join = SavedIndexJoinIterator()
# save source operator
source_field = self._source.serialized_name() + '_source'
getattr(saved_join, source_field).CopyFrom(self._source.save())
# save inner join
inner = TriplePattern()
inner.subject = self._innerTriple['subject']
inner.predicate = self._innerTriple['predicate']
inner.object = self._innerTriple['object']
inner.graph = self._innerTriple['graph']
saved_join.inner.CopyFrom(inner)
if self._currentBinding is not None:
pyDict_to_protoDict(self._currentBinding, saved_join.muc)
if self._currentIter is not None:
saved_join.last_read = self._currentIter.last_read()
return saved_join
def save(self) -> SavedInsertData:
"""Save and serialize the iterator as a Protobuf message"""
saved = SavedInsertData()
pyDict_to_protoDict(self._inserted, saved.nb_inserted)
return saved
