MSRouteLoader Class Reference

#include <MSRouteLoader.h>

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Detailed Description

Definition at line 45 of file MSRouteLoader.h.

Public Member Functions
void	init ()
	resets the reader
void	loadUntil (SUMOTime time, MSEmitControl *into)
bool	moreAvailable () const
	returns the information whether new data is available
	MSRouteLoader (MSNet &net, MSRouteHandler *handler)
	constructor
	~MSRouteLoader ()
	destructor
Private Attributes
MSRouteHandler *	myHandler
bool	myMoreAvailable
	information whether more vehicles should be available
SAX2XMLReader *	myParser
	the used SAX2XMLReader
XMLPScanToken	myToken
	the token for saving the current position

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Constructor & Destructor Documentation

MSRouteLoader::MSRouteLoader	(	MSNet &	net,
		MSRouteHandler *	handler
	)

constructor

Definition at line 45 of file MSRouteLoader.cpp.

References XMLSubSys::getSAXReader(), myHandler, and myParser.

        : myParser(0), myMoreAvailable(true), myHandler(handler) {
    myParser = XMLSubSys::getSAXReader(*myHandler);
}

MSRouteLoader::~MSRouteLoader

(

)

destructor

Definition at line 52 of file MSRouteLoader.cpp.

References myHandler, and myParser.

                              {
    delete myParser;
    delete myHandler;
}

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Member Function Documentation

void MSRouteLoader::init

(

)

resets the reader

Definition at line 59 of file MSRouteLoader.cpp.

References GenericSAXHandler::getFileName(), myHandler, myMoreAvailable, myParser, and myToken.

                    {
    myMoreAvailable = true;
    if (!myParser->parseFirst(myHandler->getFileName().c_str(), myToken)) {
        throw ProcessError("Can not read XML-file '" + myHandler->getFileName() + "'.");
    }
}

void MSRouteLoader::loadUntil	(	SUMOTime	time,
		MSEmitControl *	into
	)

loads vehicles until a vehicle is read that starts after the specified time

Definition at line 68 of file MSRouteLoader.cpp.

References MSRouteHandler::getLastDepart(), myHandler, myMoreAvailable, myParser, myToken, and MSRouteHandler::retrieveLastReadVehicle().

                                                           {
    // read only when further data is available, no error occured
    //  and vehicles may be found in the between the departure time of
    //  the last read vehicle and the time to read until
    if (!myMoreAvailable || time+DELTA_T < myHandler->getLastDepart()) {
        return;
    }

    // if a vehicle was read before the call but was not yet added,
    //  add it now
    myHandler->retrieveLastReadVehicle(into);
    // read vehicles until specified time or the period to read vehicles
    //  until is reached
    while (myParser->parseNext(myToken)) {
        // return when the last read vehicle is beyond the period
        if (myHandler->getLastDepart()>=time) {
            return;
        }
        // otherwise add the last vehicle read (if any)
        myHandler->retrieveLastReadVehicle(into);
    }

    // no data are available anymore
    myMoreAvailable = false;
    return;
}

bool MSRouteLoader::moreAvailable

(

)

const

returns the information whether new data is available

Definition at line 97 of file MSRouteLoader.cpp.

References myMoreAvailable.

                                   {
    return myMoreAvailable;
}

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Field Documentation

MSRouteHandler* MSRouteLoader::myHandler [private]

Definition at line 73 of file MSRouteLoader.h.

Referenced by init(), loadUntil(), MSRouteLoader(), and ~MSRouteLoader().

bool MSRouteLoader::myMoreAvailable [private]

information whether more vehicles should be available

Definition at line 71 of file MSRouteLoader.h.

Referenced by init(), loadUntil(), and moreAvailable().

SAX2XMLReader* MSRouteLoader::myParser [private]

the used SAX2XMLReader

Definition at line 65 of file MSRouteLoader.h.

Referenced by init(), loadUntil(), MSRouteLoader(), and ~MSRouteLoader().

XMLPScanToken MSRouteLoader::myToken [private]

the token for saving the current position

Definition at line 68 of file MSRouteLoader.h.

Referenced by init(), and loadUntil().

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The documentation for this class was generated from the following files:

• MSRouteLoader.h
• MSRouteLoader.cpp