Pulic Methods
def	__init__ (self, system_directory)

def	run (self, checkpoint=None, output=None)

Public Attributes
	opt

	i

	j

	a

	b

	d

	f

	x

	z

Protected Attributes
	_ws

	_dbin1

	_dbin2

	_job

	_dbout1

Detailed Description

Definition at line 61 of file transport_class.py.

Constructors

◆ init()

def transport_class.Transport.__init__	(	self,
		system_directory
	)

Definition at line 62 of file transport_class.py.

    def __init__(self, system_directory):
        self._ws = GamsWorkspace(system_directory=system_directory)
        self.opt = self._ws.add_options()
 
        self._dbin1 = self._ws.add_database(in_model_name="dbIn1")
        self._dbin2 = self._ws.add_database(in_model_name="dbIn2")
 
        self.opt.solvelink = SolveLink.LoadLibrary
        self.opt.all_model_types = "Cplex"
        self.opt.defines["dbOut1"] = "dbOut1"
 
        self.i = self._dbin1.add_set("i", 1, "canning plants")
        self.j = self._dbin1.add_set("j", 1, "markets")
        self.a = self._dbin1.add_parameter_dc(
            "a", [self.i], "capacity of plant i in cases"
        )
        self.b = self._dbin1.add_parameter_dc(
            "b", [self.j], "demand at market j in cases"
        )
        self.d = self._dbin1.add_parameter_dc(
            "d", [self.i, self.j], "distance in thousands of miles"
        )
        self.f = self._dbin2.add_parameter(
            "f", 0, "freight in dollars per case per thousand miles"
        )
        self.x = None
        self.z = None
 
        self._job = self._ws.add_job_from_string(GAMS_MODEL)
 

Methods

◆ run()

def transport_class.Transport.run	(	self,
		checkpoint = `None`,
		output = `None`
	)

Definition at line 92 of file transport_class.py.

    def run(self, checkpoint=None, output=None):
        self._job.run(self.opt, checkpoint, output, False, [self._dbin1, self._dbin2])
 
        self._dbout1 = self._ws.add_database_from_gdx(
            self.opt.defines["dbOut1"] + ".gdx"
        )
        self.x = self._dbout1["x"]
        self.z = self._dbout1["z"]