"""

Event DTO and Storage classes.

The dto is implemented as a namedtuple for performance matters.

"""

from collections import namedtuple

from enum import Enum

Event = namedtuple('Event', [

'key',

'traffic_type_name',

'event_type_id',

'value',

'timestamp',

'properties',

])

EventWrapper = namedtuple('EventWrapper', [

'event',

'size',

])

class SdkEvent(Enum):

"""Public SDK events"""

SDK_READY = 'SDK_READY'

SDK_UPDATE = 'SDK_UPDATE'

class SdkInternalEvent(Enum):

"""Internal SDK events"""

SDK_READY = 'SDK_READY'

FLAGS_UPDATED = 'FLAGS_UPDATED'

FLAG_KILLED_NOTIFICATION = 'FLAG_KILLED_NOTIFICATION'

SEGMENTS_UPDATED = 'SEGMENTS_UPDATED'

RB_SEGMENTS_UPDATED = 'RB_SEGMENTS_UPDATED'

LARGE_SEGMENTS_UPDATED = 'LARGE_SEGMENTS_UPDATED'