A signal for rails. More...

#include <MSRailSignalControl.h>

Inheritance diagram for MSRailSignalControl:

Collaboration diagram for MSRailSignalControl:

Data Structures
struct	WaitRelation

Public Member Functions
void	addDeadlockCheck (std::vector< const MSRailSignal * > signals)

void	addDrivewayFollower (const MSDriveWay dw, const MSDriveWay dw2)

void	addDWDeadlockChecks (const MSRailSignal rs, MSDriveWay dw)
	check whether the given signal and driveway are part of a deadlock circle

void	addSignal (MSRailSignal *signal)

void	addWaitRelation (const SUMOVehicle waits, const MSRailSignal rs, const SUMOVehicle reason, MSRailSignalConstraint constraint=nullptr)

const std::map< const MSRailSignal , std::vector< const MSRailSignal > > &	getDeadlockChecks () const

const std::vector< MSRailSignal * > &	getSignals () const

bool	haveDeadlock (const SUMOVehicle *veh) const
	whether there is a circle in the waiting-for relationships that contains the given vehicle

void	notifyApproach (const MSLink *link)
	switch rail signal to active

void	resetWaitRelations ()
	reset all waiting-for relationships at the start of the simulation step

void	updateSignals (SUMOTime t)
	update active rail signals

void	vehicleStateChanged (const SUMOVehicle *const vehicle, MSNet::VehicleState to, const std::string &info="")
	Called if a vehicle changes its state.

	~MSRailSignalControl ()

Static Public Member Functions
static void	cleanup ()

static void	clearState ()
	Perform resets events when quick-loading state.

static MSRailSignalControl &	getInstance ()

static bool	hasInstance ()

Protected Member Functions
void	findDeadlockFoes (const MSDriveWay dw, const std::vector< const MSRailSignal > &others, std::vector< const MSDriveWay * > deadlockFoes)

Private Member Functions
	MSRailSignalControl ()
	Constructor.

void	updateDriveways (const MSEdge *used)
	compute additioanl deadlock-check requirements for registered driveways

Private Attributes
std::set< MSRailSignal *, ComparatorNumericalIdLess >	myActiveSignals

std::map< const MSRailSignal , std::vector< const MSRailSignal > >	myDeadlockChecks

std::map< std::pair< int, int >, bool >	myDriveWayCompatibility

std::map< const MSDriveWay , std::set< const MSDriveWay > >	myDriveWayPred

std::map< const MSDriveWay , std::set< const MSDriveWay > >	myDriveWaySucc

std::vector< MSRailSignal * >	mySignals
	list of all rail signals

std::vector< std::pair< MSLink *, int > >	mySwitchedGreenFlanks
	list of signals that switched green along with driveway index

std::set< const MSEdge * >	myUsedEdges
	all rail edges that are part of a known route

std::map< const SUMOVehicle *, WaitRelation >	myWaitRelations

std::set< std::set< const SUMOVehicle * > >	myWrittenDeadlocks

Static Private Attributes
static MSRailSignalControl *	myInstance

Detailed Description

A signal for rails.

Definition at line 39 of file MSRailSignalControl.h.

Constructor & Destructor Documentation

◆ ~MSRailSignalControl()

MSRailSignalControl::~MSRailSignalControl ( )

Definition at line 77 of file MSRailSignalControl.cpp.

◆ MSRailSignalControl()

MSRailSignalControl::MSRailSignalControl ( )

private

Constructor.

Definition at line 46 of file MSRailSignalControl.cpp.

Referenced by getInstance().

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Member Function Documentation

◆ addDeadlockCheck()

void MSRailSignalControl::addDeadlockCheck ( std::vector< const MSRailSignal * > signals )

Definition at line 195 of file MSRailSignalControl.cpp.

References MSDriveWay::haveDriveWays(), myDeadlockChecks, and WRITE_WARNING.

Referenced by NLHandler::addDeadlock().

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◆ addDrivewayFollower()

void MSRailSignalControl::addDrivewayFollower	(	const MSDriveWay *	dw,
		const MSDriveWay *	dw2
	)

Definition at line 210 of file MSRailSignalControl.cpp.

References myDriveWayPred, and myDriveWaySucc.

Referenced by MSRailSignal::initDriveWays().

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◆ addDWDeadlockChecks()

void MSRailSignalControl::addDWDeadlockChecks	(	const MSRailSignal *	rs,
		MSDriveWay *	dw
	)

check whether the given signal and driveway are part of a deadlock circle

Definition at line 218 of file MSRailSignalControl.cpp.

References findDeadlockFoes(), getDeadlockChecks(), and getInstance().

Referenced by MSRailSignal::initDriveWays().

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◆ addSignal()

void MSRailSignalControl::addSignal ( MSRailSignal * signal )

Definition at line 96 of file MSRailSignalControl.cpp.

References mySignals.

Referenced by MSRailSignal::MSRailSignal().

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◆ addWaitRelation()

void MSRailSignalControl::addWaitRelation	(	const SUMOVehicle *	waits,
		const MSRailSignal *	rs,
		const SUMOVehicle *	reason,
		MSRailSignalConstraint *	constraint = `nullptr`
	)

Definition at line 102 of file MSRailSignalControl.cpp.

References myWaitRelations.

Referenced by MSRailSignal::constraintsAllow(), MSDriveWay::foeDriveWayOccupied(), and MSRailSignal::hasInsertionConstraint().

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◆ cleanup()

void MSRailSignalControl::cleanup ( )

static

Definition at line 59 of file MSRailSignalControl.cpp.

References myInstance.

Referenced by MSNet::clearAll().

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◆ clearState()

void MSRailSignalControl::clearState ( )

static

Perform resets events when quick-loading state.

Definition at line 65 of file MSRailSignalControl.cpp.

References myDeadlockChecks, myDriveWayCompatibility, myDriveWayPred, myDriveWaySucc, myInstance, and myWrittenDeadlocks.

Referenced by MSNet::clearState().

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◆ findDeadlockFoes()

void MSRailSignalControl::findDeadlockFoes	(	const MSDriveWay *	dw,
		const std::vector< const MSRailSignal * > &	others,
		std::vector< const MSDriveWay * >	deadlockFoes
	)