pickDeliverEuclidean_driver.cpp File Reference

#include "drivers/pickDeliver/pickDeliverEuclidean_driver.h"
#include <string.h>
#include <sstream>
#include <string>
#include <deque>
#include <vector>
#include <map>
#include "vrp/pgr_pickDeliver.h"
#include "cpp_common/pgr_assert.h"
#include "cpp_common/pgr_alloc.hpp"

Include dependency graph for pickDeliverEuclidean_driver.cpp:

Go to the source code of this file.

Functions
void	do_pgr_pickDeliverEuclidean (PickDeliveryOrders_t *customers_arr, size_t total_customers, Vehicle_t *vehicles_arr, size_t total_vehicles, double factor, int max_cycles, int initial_solution_id, General_vehicle_orders_t **return_tuples, size_t *return_count, char **log_msg, char **notice_msg, char **err_msg)

Function Documentation

do_pgr_pickDeliverEuclidean()

void do_pgr_pickDeliverEuclidean	(	PickDeliveryOrders_t *	customers_arr,
		size_t	total_customers,
		Vehicle_t *	vehicles_arr,
		size_t	total_vehicles,
		double	factor,
		int	max_cycles,
		int	initial_solution_id,
		General_vehicle_orders_t **	return_tuples,
		size_t *	return_count,
		char **	log_msg,
		char **	notice_msg,
		char **	err_msg
	)

Definition at line 53 of file pickDeliverEuclidean_driver.cpp.

                        {
    std::ostringstream log;
    std::ostringstream notice;
    std::ostringstream err;
    try {
        *return_tuples = nullptr;
        *return_count = 0;
 
        /*
         * transform to C++ containers
         */
        std::vector<PickDeliveryOrders_t> orders(
                customers_arr, customers_arr + total_customers);
        std::vector<Vehicle_t> vehicles(
                vehicles_arr, vehicles_arr + total_vehicles);
 
        std::map<std::pair<double, double>, int64_t> matrix_data;
 
        for (const auto &o : orders) {
            matrix_data[std::pair<double, double>(o.pick_x, o.pick_y)] = o.pick_node_id;
            matrix_data[std::pair<double, double>(o.deliver_x, o.deliver_y)] = o.deliver_node_id;
        }
 
        for (const auto &v : vehicles) {
            matrix_data[std::pair<double, double>(v.start_x, v.start_y)] = v.start_node_id;
            matrix_data[std::pair<double, double>(v.end_x, v.end_y)] = v.end_node_id;
        }
 
        Identifiers<int64_t> unique_ids;
        for (const auto &e: matrix_data) {
            unique_ids += e.second;
        }
        if (unique_ids.size() != matrix_data.size()) {
            // ignoring ids given by the user
            int64_t id(0);
            for (auto &e: matrix_data) {
                e.second = id++;
            }
        }
 
        for (auto &o : orders) {
            o.pick_node_id = matrix_data[std::pair<double, double>(o.pick_x, o.pick_y)];
            o.deliver_node_id = matrix_data[std::pair<double, double>(o.deliver_x, o.deliver_y)];
        }
        for (auto &v : vehicles) {
            v.start_node_id = matrix_data[std::pair<double, double>(v.start_x, v.start_y)];
            v.end_node_id = matrix_data[std::pair<double, double>(v.end_x, v.end_y)];
        }
 
        pgrouting::tsp::Dmatrix cost_matrix(matrix_data);
 
        log << "Initialize problem\n";
        pgrouting::vrp::Pgr_pickDeliver pd_problem(
                orders,
                vehicles,
                cost_matrix,
                factor,
                static_cast<size_t>(max_cycles),
                initial_solution_id);
 
        err << pd_problem.msg.get_error();
        if (!err.str().empty()) {
            log.str("");
            log.clear();
            log << pd_problem.msg.get_error();
            log << pd_problem.msg.get_log();
            *log_msg = pgr_msg(log.str().c_str());
            *err_msg = pgr_msg(err.str().c_str());
            return;
        }
        log << pd_problem.msg.get_log();
        log << "Finish Reading data\n";
 
        try {
            pd_problem.solve();
        } catch (AssertFailedException &except) {
            log << pd_problem.msg.get_log();
            throw;
        } catch(...) {
            log << "Caught unknown exception!";
            throw;
        }
 
        log << pd_problem.msg.get_log();
        log << "Finish solve\n";
 
        auto solution = pd_problem.get_postgres_result();
        log << pd_problem.msg.get_log();
        log << "solution size: " << solution.size() << "\n";
 
 
        if (!solution.empty()) {
            (*return_tuples) = pgr_alloc(solution.size(), (*return_tuples));
            int seq = 0;
            for (const auto &row : solution) {
                (*return_tuples)[seq] = row;
                ++seq;
            }
        }
        (*return_count) = solution.size();
 
        log << pd_problem.msg.get_log();
 
        pgassert(*err_msg == NULL);
        *log_msg = log.str().empty()?
            nullptr :
            pgr_msg(log.str().c_str());
        *notice_msg = notice.str().empty()?
            nullptr :
            pgr_msg(notice.str().c_str());
    } catch (AssertFailedException &except) {
        if (*return_tuples) free(*return_tuples);
        (*return_count) = 0;
        err << except.what();
        *err_msg = pgr_msg(err.str().c_str());
        *log_msg = pgr_msg(log.str().c_str());
    } catch (std::exception& except) {
        if (*return_tuples) free(*return_tuples);
        (*return_count) = 0;
        err << except.what();
        *err_msg = pgr_msg(err.str().c_str());
        *log_msg = pgr_msg(log.str().c_str());
    } catch (const std::pair<std::string, std::string>& ex) {
        (*return_count) = 0;
        err << ex.first;
        log.str("");
        log.clear();
        log << ex.second;
        *err_msg = pgr_msg(err.str().c_str());
        *log_msg = pgr_msg(log.str().c_str());
    } catch(...) {
        if (*return_tuples) free(*return_tuples);
        (*return_count) = 0;
        err << "Caught unknown exception!";
        *err_msg = pgr_msg(err.str().c_str());
        *log_msg = pgr_msg(log.str().c_str());
    }
}

References pgrouting::Pgr_messages::get_error(), pgrouting::Pgr_messages::get_log(), pgrouting::vrp::Pgr_pickDeliver::get_postgres_result(), pgrouting::vrp::Pgr_pickDeliver::msg, pgassert, pgr_alloc(), pgr_msg(), Identifiers< T >::size(), pgrouting::vrp::Pgr_pickDeliver::solve(), and AssertFailedException::what().

Referenced by process().