def append(self, hcont, value, score = None):
assert hcont.target_type is self.target_type
assert type(value) is self.target_type or (hasattr(value, 'model') and value.model is self.target_type)
if self.target_has_id:
value = value.oid
assert value is not None
if not self.index_key:
self.raw_append(ds, hcont, value, score)
elif self.unique_index:
#TODO watch (optimistic lock) to allow multithread?
if ds.hexists(self.index_key, value):
raise UniqueError(self.index_key, value)
else:
pl = ds.pipeline(True)
self.raw_append(pl, hcont, value, score)
pl.hset(self.index_key, value, hcont.owner_id)
pl.execute()
else:
pl = ds.pipeline(True)
self.raw_append(pl, hcont, value, score)
ikey = self.index_key + ':' + str(value)
pl.sadd(ikey, hcont.owner_id)
pl.execute()
def __check_unique(self, fld, val):
# TODO watch (optimistic lock) to allow multithread?
k = "u:{0}:{1}".format(self.modname, fld)
if ds.hexists(k, val):
raise UniqueError(k, val)
