def __init__(self, **kwds):
kwds['type'] = 'cplex_persistent'
PersistentSolver.__init__(self, **kwds)
CPLEXDirect._init(self)
self._pyomo_model = kwds.pop('model', None)
if self._pyomo_model is not None:
self.set_instance(self._pyomo_model, **kwds)
def add_sos_constraint(self, con):
"""
Add an SOS constraint to the solver's model (if supported). This will keep any existing model components intact.
Parameters
----------
con: SOSConstraint
"""
PersistentSolver.add_sos_constraint(self, con)
self._solver_model.update()
def add_constraint(self, con):
"""
Add a constraint to the solver's model. This will keep any existing model components intact.
Parameters
----------
con: Constraint
"""
PersistentSolver.add_constraint(self, con)
self._solver_model.update()
def add_var(self, var):
"""
Add a variable to the solver's model. This will keep any existing model components intact.
Parameters
----------
var: Var
The variable to add to the solver's model.
"""
PersistentSolver.add_var(self, var)
self._solver_model.update()
def _presolve(self, **kwds):
self.paramsets = kwds.pop('paramsets', None)
PersistentSolver._presolve(self, **kwds)