MELSegment.h

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/****************************************************************************/
// Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
// Copyright (C) 2001-2026 German Aerospace Center (DLR) and others.
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0/
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License 2.0 are satisfied: GNU General Public License, version 2
// or later which is available at
// https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
/****************************************************************************/
// A LTM (LIFT)-model segment 
/****************************************************************************/
#pragma once
#include <config.h>
 
#include <deque>
#include "MESegment.h"
 
 
// ===========================================================================
// class declarations
// ===========================================================================
 
// ===========================================================================
// class definitions
// ===========================================================================
class MELSegment : public MESegment {
public:
 
 
public:
    MELSegment(const std::string& id,
              const MSEdge& parent, MESegment* next,
              const double length, const double speed,
              const int idx,
              const bool multiQueue,
              const MesoEdgeType& edgeType);
 
    void send(MEVehicle* veh, MESegment* const next, const int nextQIdx, SUMOTime time, const MSMoveReminder::Notification reason) override;
 
    void updateEntryBlockTime(SUMOTime time) override; 
 
    std::string getQueueExtraState(int qIdx) const override;
    void loadQueueExtraState(int qIdx, const std::string& state, SUMOTime offset) override;
 
protected:
    SUMOTime computeHeadway(Queue& q, const Queue& qNext, const MESegment* const next, const MEVehicle* veh) const override;
 
    bool hasSpaceForInsertion(const Queue& q, int qIdx, double newOccupancy, SUMOTime entryTime) const override;
 
private:
    // @note: could be slightly faster as a double-index ring-buffer
    typedef std::vector<SUMOTime> GapTimes;
    std::vector<GapTimes> myGapTimes;
 
private:
    MELSegment(const MELSegment&);
 
    MELSegment& operator=(const MELSegment&);
 
    MELSegment(const std::string& id);
};