core/helper.py

from core.lifecycle import Lifecycle


class LifecycleHelper:

    @classmethod
    def initialize_if_possible(cls, ls: Lifecycle) -> None:
        if isinstance(ls, Lifecycle) and ls.lifecycle_state.can_initialize(ls.lifecycle_state.phase):
            ls.initialize()

    @classmethod
    def start_if_possible(cls, ls: Lifecycle) -> None:
        if isinstance(ls, Lifecycle) and ls.lifecycle_state.can_start(ls.lifecycle_state.phase):
            ls.start()

    @classmethod
    def stop_if_possible(cls, ls: Lifecycle) -> None:
        if isinstance(ls, Lifecycle) and ls.lifecycle_state.can_stop(ls.lifecycle_state.phase):
            ls.stop()

    @classmethod
    def dispose_if_possible(cls, ls: Lifecycle) -> None:
        if isinstance(ls, Lifecycle) and ls.lifecycle_state.can_dispose(ls.lifecycle_state.phase):
            ls.dispose()