Copyright (C) 2012-2020 Rudolf Cardinal (email@example.com).
This file is part of CamCOPS.
CamCOPS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CamCOPS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CamCOPS. If not, see <http://www.gnu.org/licenses/>.
// For TaskFactory:
// Base "descriptor" class, so we can do more things with the class as an
// entity than just instantiate one.
// Base class for TaskRegistrar.
// It doesn't do much (except register itself with a TaskFactory), but it
// defines an interface.
// For example, the PHQ9 task creates a single TaskRegistrar<Phq9> object.
// Construct the proxy, which registers itself with the factory.
virtual ~TaskProxy() = default;
// Create an instance of the task and return it.
virtual TaskPtr create(CamcopsApp& app,
int load_pk = dbconst::NONEXISTENT_PK) const = 0;
// Fetch tasks from the database.
virtual TaskPtrList fetch(CamcopsApp& app,
int patient_id = dbconst::NONEXISTENT_PK) const = 0;
// Fetch tasks from the database that meet specified criteria.
virtual TaskPtrList fetchWhere(CamcopsApp& app,
const WhereConditions& where) const = 0;