def _relative_now(self, event: EventT = None) -> float:
# get current timestamp
event = event if event is not None else current_event()
if event is None:
return time.time()
return self._partition_latest_timestamp[event.message.partition]
def _relative_event(self, event: EventT = None) -> float:
event = event if event is not None else current_event()
# get event timestamp
if event is None:
raise RuntimeError('Operation outside of stream iteration')
return event.message.timestamp
def values(self, event: EventT = None) -> ValuesView:
"""Return table values view: iterate over values in this table."""
return WindowedValuesView(self, event or current_event())
def items(self, event: EventT = None) -> ItemsView:
"""Return table items view: iterate over ``(key, value)`` pairs."""
return WindowedItemsView(self, event or current_event())
def __getitem__(self, key: Any) -> WindowSetT:
return self.ValueType(key, self.table, self, current_event())
def send_changelog_event(self, key: Any, operation: int,
value: Any) -> None:
"""Send changelog event to the tables changelog topic."""
event = current_event()
self._dirty.add(key)
self.table._send_changelog(event, (operation, key), value)
def items(self, event: EventT = None) -> ItemsView:
return WindowedItemsView(self, event or current_event())
def values(self, event: EventT = None) -> ValuesView:
return WindowedValuesView(self, event or current_event())
def send_changelog_event(self, key: Any, operation: int,
value: Any) -> None:
event = current_event()
self._dirty.add(key)
self.table._send_changelog(event, (operation, key), value)
