private void triggerCheckEvent() {
        if (!quorumController.isActive()) {
            return;
        }
        ControllerRequestContext ctx = new ControllerRequestContext(
            null, null, OptionalLong.empty());
        this.quorumController.checkS3ObjectsLifecycle(ctx).whenComplete((ignore, exp) -> {
            if (exp != null) {
                log.error("Failed to check the S3Object's lifecycle", exp);
            }
        });
    }
The objectId of the next object to be prepared. (start from 0)
metadata/src/main/java/org/apache/kafka/controller/stream/S3ObjectControlManager.java