def read(self):
timestamp = time.time()
uids = [str(uuid.uuid4()) for ch in self.channels]
bulk_insert_datum(self._filestore_res, uids,
self._get_datum_args(self._abs_trigger_count))
self._abs_trigger_count += 1
return {self.mds_keys[ch]: {'timestamp': timestamp,
'value': uid,
}
for uid, ch in zip(uids, self.channels)
}
def bulk_read(self, timestamps):
channels = self.channels
ch_uids = {ch: [str(uuid.uuid4()) for ts in timestamps]
for ch in channels}
count = len(timestamps)
if count == 0:
return {}
def get_datum_args():
for ch in channels:
for seq_num in range(count):
yield {'frame': seq_num,
'channel': ch}
uids = [ch_uids[ch] for ch in channels]
bulk_insert_datum(self._filestore_res, itertools.chain(*uids),
get_datum_args())
return {self.mds_keys[ch]: ch_uids[ch]
for ch in channels
}
def bulk_read(self, timestamps):
uids = list(str(uuid.uuid4()) for ts in timestamps)
datum_args = (dict(point_number=i) for i in range(len(uids)))
bulk_insert_datum(self._filestore_res, uids, datum_args)
return {self._det.name: uids}