/*
 * Copyright 2012-2014 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat 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 2, or (at your
 * option) any later version.
 *
 * Thermostat 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 Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.web.server;

import java.util.ArrayList;
import java.util.List;

/**
 * Registers {@link StoppableTimer}s and shuts them down when no longer
 * needed.
 *
 */
class TimerRegistry {

    private final List<StoppableTimer> registeredTimers;
    
    TimerRegistry() {
        this(new ArrayList<StoppableTimer>());
    }
    
    // for testing
    TimerRegistry(List<StoppableTimer> timers) {
        this.registeredTimers = timers;
    }
    
    void registerTimer(StoppableTimer timer) {
        registeredTimers.add(timer);
    }
    
    void shutDown() {
        for (StoppableTimer timer: registeredTimers) {
            timer.stop();
        }
    }
}