SUMO - Simulation of Urban MObility
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ODDistrictCont.cpp
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1 /****************************************************************************/
8 // A container for districts
9 /****************************************************************************/
10 // SUMO, Simulation of Urban MObility; see http://sumo-sim.org/
11 // Copyright (C) 2001-2013 DLR (http://www.dlr.de/) and contributors
12 /****************************************************************************/
13 //
14 // This file is part of SUMO.
15 // SUMO is free software: you can redistribute it and/or modify
16 // it under the terms of the GNU General Public License as published by
17 // the Free Software Foundation, either version 3 of the License, or
18 // (at your option) any later version.
19 //
20 /****************************************************************************/
21 
22 
23 // ===========================================================================
24 // included modules
25 // ===========================================================================
26 #ifdef _MSC_VER
27 #include <windows_config.h>
28 #else
29 #include <config.h>
30 #endif
31 
32 #include <string>
33 #include "ODDistrict.h"
34 #include "ODDistrictCont.h"
40 #include <utils/xml/XMLSubSys.h>
44 #ifdef CHECK_MEMORY_LEAKS
45 #include <foreign/nvwa/debug_new.h>
47 #endif // CHECK_MEMORY_LEAKS
48 
49 
50 // ===========================================================================
51 // method definitions
52 // ===========================================================================
54 
55 
57 
58 
59 std::string
60 ODDistrictCont::getRandomSourceFromDistrict(const std::string& name) const {
61  ODDistrict* district = get(name);
62  if (district == 0) {
63  throw InvalidArgument("There is no district '" + name + "'.");
64  }
65  return district->getRandomSource();
66 }
67 
68 
69 std::string
70 ODDistrictCont::getRandomSinkFromDistrict(const std::string& name) const {
71  ODDistrict* district = get(name);
72  if (district == 0) {
73  throw InvalidArgument("There is no district '" + name + "'.");
74  }
75  return district->getRandomSink();
76 }
77 
78 void
79 ODDistrictCont::loadDistricts(std::string districtfile) {
80  if (!FileHelpers::exists(districtfile)) {
81  throw ProcessError("Could not find network '" + districtfile + "' to load.");
82  }
83  PROGRESS_BEGIN_MESSAGE("Loading districts from '" + districtfile + "'");
84  // build the xml-parser and handler
85  ODDistrictHandler handler(*this, districtfile);
86  if (!XMLSubSys::runParser(handler, districtfile)) {
88  } else {
90  }
91 }
92 
93 /****************************************************************************/
94 
std::string getRandomSource() const
Returns the id of a source to use.
Definition: ODDistrict.cpp:69
An XML-Handler for districts.
static bool runParser(GenericSAXHandler &handler, const std::string &file)
Runs the given handler on the given file; returns if everything&#39;s ok.
Definition: XMLSubSys.cpp:96
void loadDistricts(std::string districtfile)
#define PROGRESS_FAILED_MESSAGE()
Definition: MsgHandler.h:200
~ODDistrictCont()
Destructor.
std::string getRandomSourceFromDistrict(const std::string &name) const
Returns the id of a random source from the named district.
ODDistrictCont()
Constructor.
std::string getRandomSink() const
Returns the id of a sink to use.
Definition: ODDistrict.cpp:75
static bool exists(std::string path)
Checks whether the given file exists.
Definition: FileHelpers.cpp:57
#define PROGRESS_BEGIN_MESSAGE(msg)
Definition: MsgHandler.h:198
std::string getRandomSinkFromDistrict(const std::string &name) const
Returns the id of a random sink from the named district.
#define PROGRESS_DONE_MESSAGE()
Definition: MsgHandler.h:199
A district (origin/destination)
Definition: ODDistrict.h:51