-DiskAction* DiskS19::io_start(sg_size_t size, s4u::Io::OpType type)
-{
- auto* action = new DiskS19Action(get_model(), static_cast<double>(size), not is_on());
- get_model()->get_maxmin_system()->expand(get_constraint(), action->get_variable(), 1.0);
- switch (type) {
- case s4u::Io::OpType::READ:
- get_model()->get_maxmin_system()->expand(get_read_constraint(), action->get_variable(), 1.0);
- break;
- case s4u::Io::OpType::WRITE:
- get_model()->get_maxmin_system()->expand(get_write_constraint(), action->get_variable(), 1.0);
- break;
- default:
- THROW_UNIMPLEMENTED;
- }
- if (const auto& factor_cb = get_factor_cb()) { // handling disk variability
- action->set_rate_factor(factor_cb(size, type));
- }
- return action;
-}
-