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Make InternalSolver clonable

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This commit is contained in:
Alinson S. Xavier
2021-04-07 19:52:21 -05:00
parent ebccde6a03
commit 0232219a0e
12 changed files with 69 additions and 46 deletions
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8
miplearn/solvers/pyomo/xpress.py
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@@ -4,6 +4,7 @@
import logging
from overrides import overrides
from pyomo import environ as pe
from scipy.stats import randint
@@ -27,9 +28,12 @@ class XpressPyomoSolver(BasePyomoSolver):
def __init__(self, params: SolverParams = None) -> None:
if params is None:
params = {}
if "randomseed" not in params.keys():
params["randomseed"] = randint(low=0, high=1000).rvs()
params["randomseed"] = randint(low=0, high=1000).rvs()
super().__init__(
solver_factory=pe.SolverFactory("xpress_persistent"),
params=params,
)
@overrides
def clone(self) -> "XpressPyomoSolver":
return XpressPyomoSolver(params=self.params)