def set(self, name, fields, target_fields, value, enforce_ge=False):
with self._thread_lock:
if enforce_ge:
old_value = self._entry(name).get_value(fields, target_fields, 0)
if value < old_value:
raise errors.MonitoringDecreasingValueError(name, old_value, value)
self._entry(name).set_value(fields, target_fields, value)
def incr(self, name, fields, target_fields, delta, modify_fn=None):
if delta < 0:
raise errors.MonitoringDecreasingValueError(name, None, delta)
if modify_fn is None:
modify_fn = default_modify_fn(name)
with self._thread_lock:
self._entry(name).set_value(fields, target_fields, modify_fn(
self.get(name, fields, target_fields, 0), delta))
def _modify_fn(value, delta):
if delta < 0:
raise errors.MonitoringDecreasingValueError(name, None, delta)
return value + delta
