def fetch_resolved_entity_references(self, res_opt: Optional['ResolveOptions'] = None) -> 'ResolvedEntityReferenceSet':
res_opt = res_opt if res_opt is not None else ResolveOptions(wrt_doc=self)
from cdm.resolvedmodel import ResolvedEntityReferenceSet
rers = ResolvedEntityReferenceSet(res_opt)
for member in self.members:
rers.add(member.fetch_resolved_entity_references(res_opt))
return rers
def fetch_resolved_entity_references(
self, res_opt: 'ResolveOptions') -> 'ResolvedEntityReferenceSet':
# this whole resolved entity ref goo will go away when resolved documents are done.
# for now, it breaks if structured att sets get made.
from cdm.resolvedmodel import ResolvedEntityReferenceSet
from cdm.utilities import AttributeResolutionDirectiveSet
from .cdm_object import CdmObject
was_previously_resolving = self.ctx.corpus._is_currently_resolving
self.ctx.corpus._is_currently_resolving = True
if not res_opt:
res_opt = ResolveOptions(
self, self.ctx.corpus.default_resolution_directives)
res_opt = CdmObject._copy_resolve_options(res_opt)
res_opt.directives = AttributeResolutionDirectiveSet(
set(['normalized', 'referenceOnly']))
ctx = self.ctx
ent_ref_set_cache = ctx.fetch_cache(self, res_opt, 'entRefSet')
if not ent_ref_set_cache:
ent_ref_set_cache = ResolvedEntityReferenceSet(res_opt)
if not self._resolving_entity_references:
self._resolving_entity_references = True
# get from any base class and then 'fix' those to point here instead.
ext_ref = self.extends_entity
if ext_ref:
ext_def = cast('CdmEntityDefinition',
ext_ref.fetch_object_definition(res_opt))
if ext_def:
inherited = ext_def.fetch_resolved_entity_references(
res_opt)
if inherited:
for res in inherited.rer_set:
res = res.copy()
res.referencing.entity = self
ent_ref_set_cache.rer_set.append(res)
if self.attributes:
for attribute in self.attributes:
# if any refs come back from attributes, they don't know who we are, so they don't set the entity
sub = attribute.fetch_resolved_entity_references(
res_opt)
if sub:
for res in sub.rer_set:
res.referencing.entity = self
ent_ref_set_cache.add(sub)
ctx.update_cache(self, res_opt, 'entRefSet', ent_ref_set_cache)
self._resolving_entity_references = False
self.ctx.corpus._is_currently_resolving = was_previously_resolving
return ent_ref_set_cache
def fetch_resolved_entity_references(
self,
res_opt: Optional['ResolveOptions'] = None
) -> 'ResolvedEntityReferenceSet':
res_opt = res_opt if res_opt is not None else ResolveOptions(
wrt_doc=self)
from cdm.resolvedmodel import AttributeResolutionContext, ResolvedEntityReference, ResolvedEntityReferenceSide, ResolvedEntityReferenceSet
from cdm.utilities import ResolveOptions
from .cdm_object import CdmObject
rts_this_att = self._fetch_resolved_traits(res_opt)
res_guide = self.resolution_guidance
# this context object holds all of the info about what needs to happen to resolve these attributes
arc = AttributeResolutionContext(res_opt, res_guide, rts_this_att)
rel_info = self._get_relationship_info(res_opt, arc)
if not rel_info.is_by_ref or rel_info.is_array:
return None
# only place this is used, so logic here instead of encapsulated.
# make a set and the one ref it will hold
rers = ResolvedEntityReferenceSet(res_opt)
rer = ResolvedEntityReference()
# referencing attribute(s) come from this attribute
rer.referencing._rasb.merge_attributes(
self._fetch_resolved_attributes(res_opt))
def resolve_side(
ent_ref: 'CdmEntityReference') -> ResolvedEntityReferenceSide:
side_other = ResolvedEntityReferenceSide()
if ent_ref:
# reference to the other entity, hard part is the attribue name.
# by convention, this is held in a trait that identifies the key
side_other.entity = ent_ref.fetch_object_definition(res_opt)
if side_other.entity:
other_attribute = None
other_opts = ResolveOptions(wrt_doc=res_opt.wrt_doc,
directives=res_opt.directives)
trait = ent_ref._fetch_resolved_traits(other_opts).find(
other_opts, 'is.identifiedBy')
if trait and trait.parameter_values and trait.parameter_values.length:
other_ref = trait.parameter_values.fetch_parameter_value(
'attribute').value
if isinstance(other_ref, CdmObject):
other_attribute = other_ref.fetch_object_definition(
other_opts)
if other_attribute:
side_other._rasb.own_one(
side_other.entity.
_fetch_resolved_attributes(other_opts).get(
other_attribute.get_name()).copy())
return side_other
# either several or one entity
# for now, a sub for the 'select one' idea
if self.entity.explicit_reference:
ent_pick_from = self.entity.fetch_object_definition(res_opt)
atts_pick = ent_pick_from.attributes
if ent_pick_from and atts_pick:
for attribute in atts_pick:
if attribute.object_type == CdmObjectType.ENTITY_ATTRIBUTE_DEF:
entity = attribute.entity
rer.referenced.append(resolve_side(entity))
else:
rer.referenced.append(resolve_side(self.entity))
rers.rer_set.append(rer)
return rers