def __init__(self):
hyflex = JavaGateway().jvm
self.problem = hyflex.VRP.VRP(random.randint(0, 10000))
self.problem.loadInstance(0)
#seed, time limit in milliseconds, problem object
self.time_limit = 5000
self.chesc = hyflex.CHeSC(0, self.time_limit, self.problem)
self.operators = list(range(self.problem.getNumberOfHeuristics()))
