如何从 OptaPlanner 中的先前解决方案中获取 ScoreDirectorFactory

Question

I have a previously solved solution in OptaPlanner and I want to retrieve the ScoreDirectorFactory from that solution without running the solver. Is it achievable through the current API?

Here is an example of what I want to achieve:

MyPlanningSolution mpe = getMySolution();
SolverFactory<MyPlanningSolution> solverFactory = SolverFactory.createFromXmlResource(CONFIG);
Solver<MyPlanningSolution> solver = solverFactory.buildSolver();
solver.setSolution(mpe);
ScoreDirectorFactory factory = solver.getScoreDirectorFactory();

I succeeded into getting the ScoreDirectorFactory by pinning all my planning entities and setting the termination to 0 seconds. It seems like a detour to me since I have to start the solver for nothing. Is there another way?

Answer 1

See https://issues.jboss.org/browse/PLANNER-1686

We're adding SolverFactory.getScoreDirectorFactory() and deprecating Solver.getScoreDirectorFactory() .