vehicle_node.cpp

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/*PGR-GNU*****************************************************************
 
FILE: vehicle_node.cpp
 
Copyright (c) 2015 pgRouting developers
Mail: [email protected]
 
------
 
This program 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 of the License, or
(at your option) any later version.
 
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 ********************************************************************PGR-GNU*/
 
 
#include "vrp/vehicle_node.h"
 
 
namespace pgrouting {
namespace vrp {
 
 
void
Vehicle_node::evaluate(double cargoLimit) {
    if (is_start()) {
        /* time */
        m_travel_time = 0;
        m_arrival_time = opens();
        m_wait_time = 0;
        m_departure_time = arrival_time() + service_time();
 
        /* time aggregates */
        m_tot_travel_time = 0;
        m_tot_wait_time = 0;
        m_tot_service_time = service_time();
 
        /* cargo aggregates */
        m_cargo = demand();
 
        /* violation aggregates */
        m_twvTot = m_cvTot = 0;
        m_cvTot = has_cv(cargoLimit) ? 1 : 0;
        m_delta_time = 0;
    }
}
 
 
void
Vehicle_node::evaluate(
        const Vehicle_node &pred,
        double cargoLimit,
        double speed) {
    /* time */
    m_travel_time    = pred.travel_time_to(*this, speed);
    m_arrival_time   = pred.departure_time() + travel_time();
    m_wait_time      = is_early_arrival(arrival_time()) ?
        opens() - m_arrival_time :
        0;
    m_departure_time = arrival_time() + wait_time() + service_time();
 
    /* time aggregates */
    m_tot_travel_time = pred.total_travel_time() + travel_time();
    m_tot_wait_time    = pred.total_wait_time()    + wait_time();
    m_tot_service_time = pred.total_service_time() + service_time();
 
    /* cargo aggregates */
    if (is_dump() &&  pred.cargo() >= 0) {
        demand(-pred.cargo());
    }
    m_cargo = pred.cargo() + demand();
 
    /* violations aggregates */
 
    m_twvTot = has_twv() ? pred.twvTot() + 1 : pred.twvTot();
    m_cvTot = has_cv(cargoLimit) ? pred.cvTot() + 1 : pred.cvTot();
    m_delta_time = departure_time() - pred.departure_time();
}
 
 
 
std::ostream&
operator << (std::ostream &log, const Vehicle_node &v) {
    log << static_cast<const Tw_node&>(v)
        << " twv = " << v.has_twv()
        << ", twvTot = " << v.twvTot()
        << ", cvTot = " << v.cvTot()
        << ", cargo = " << v.cargo()
        << ", travel_time = " << v.travel_time()
        << ", arrival_time = " << v.arrival_time()
        << ", wait_time = " << v.wait_time()
        << ", service_time = " << v.service_time()
        << ", departure_time = " << v.departure_time();
    return log;
}
 
 
Vehicle_node::Vehicle_node(const Tw_node &node)
    : Tw_node(node),
    m_travel_time(0),
    m_arrival_time(0),
    m_wait_time(0),
    m_departure_time(0),
    m_delta_time(0),
    m_cargo(0),
    m_twvTot(0),
    m_cvTot(0),
    m_tot_wait_time(0),
    m_tot_travel_time(0),
    m_tot_service_time(0) {
    }
 
 
 
 
}  //  namespace vrp
}  //  namespace pgrouting