Method attach

monai/handlers/validation_handler.py:66–76

Args: engine: Ignite Engine, it can be a trainer, validator or evaluator.

(self, engine: Engine)

        self.validator = validator

    def attach(self, engine: Engine) -> None:
        """
        Args:
            engine: Ignite Engine, it can be a trainer, validator or evaluator.
        """
        if self.epoch_level:
            engine.add_event_handler(Events.EPOCH_COMPLETED(every=self.interval), self)
        else:
            engine.add_event_handler(Events.ITERATION_COMPLETED(every=self.interval), self)
        if self.exec_at_start:
            engine.add_event_handler(Events.STARTED, self)

    def __call__(self, engine: Engine) -> None:
        """