def set_relation(self, subj, pred, obj, value=True):
msg = srvs.WmSetRelationRequest()
msg.author = self._author_name + self._debug_info()
msg.relation = utils.relation2msg(utils.makeRelation(subj, pred, obj))
msg.value = value
res = self._call(self._set_relations, msg)
if (res):
return res.ok
return False
def get_relations(self, r):
to_ret = []
predicates = self.context.predicates(self.lightstring2uri(r['src']),
self.lightstring2uri(r['dst']))
ptypes = self.get_sub_properties(r['type'])
for p in predicates:
p = self.uri2lightstring(p)
if p in ptypes:
to_ret.append(utils.makeRelation(r['src'], p, r['dst']))
return to_ret
def get_relations(self, subj, pred, obj):
if pred != "" and subj != "" and obj != "" and subj != "-1" and obj != "-1":
subj = self.get_element(subj)
obj = self.get_element(obj)
rels = self.get_reasoner_relations(subj, pred, obj)
if rels is not None:
return rels
else:
return subj.getRelations(pred=self.get_sub_properties(pred),
obj=obj.id)
msg = srvs.WmQueryRelationsRequest()
msg.relation = utils.relation2msg(utils.makeRelation(subj, pred, obj))
res = self._call(self._query_relations, msg)
if (res):
return [utils.msg2relation(x) for x in res.matches]
def set_relation(self, subj, pred, obj, value=True):
"""
@brief Sets a relation.
@param subj (string)The subj uri
@param pred (string)The predicate uri
@param obj (string)The object uri
@param value (Bool) True set the relation, False removes
it
@return (bool) False on failure
"""
msg = srvs.WmSetRelationRequest()
msg.author = self._author_name + self._debug_info()
msg.relation = utils.relation2msg(utils.makeRelation(subj, pred, obj))
msg.value = value
res = self._call(self._set_relations, msg)
if (res):
return res.ok
return False
def get_relations(self, subj, pred, obj):
"""
@brief Get all relations matchin the input.
@param subj (string) The relation subject
@param pred (string) The relation predicate
@param obj (string) The relation object
@return A list of relations
"""
if pred != "" and subj != "" and obj != "" and subj != "-1" and obj != "-1":
subj = self.get_element(subj)
obj = self.get_element(obj)
rels = self.get_reasoner_relations(subj, pred, obj)
if rels is not None:
return rels
else:
return subj.getRelations(pred=self.get_sub_properties(pred), obj=obj.id)
msg = srvs.WmQueryRelationsRequest()
msg.relation = utils.relation2msg(utils.makeRelation(subj, pred, obj))
res = self._call(self._query_relations, msg)
if(res):
return [utils.msg2relation(x) for x in res.matches]