optaplanner-core/src/main/java/org/optaplanner/core/impl/heuristic/selector/entity/decorator/ProbabilityEntitySelector.java
@Override
    public void constructCache(DefaultSolverScope solverScope) {
        cachedEntityMap = new TreeMap<>();
        ScoreDirector scoreDirector = solverScope.getScoreDirector();
        double probabilityWeightOffset = 0L;
        for (Object entity : childEntitySelector) {
            double probabilityWeight = probabilityWeightFactory.createProbabilityWeight(
                    scoreDirector, entity);
            cachedEntityMap.put(probabilityWeightOffset, entity);
            probabilityWeightOffset += probabilityWeight;
        }
        probabilityWeightTotal = probabilityWeightOffset;
    }
@Override
    public void constructCache(DefaultSolverScope solverScope) {
        cachedEntityMap = new TreeMap<>();
        ScoreDirector scoreDirector = solverScope.getScoreDirector();
        double probabilityWeightOffset = 0L;
        for (Object entity : childEntitySelector) {
            double probabilityWeight = probabilityWeightFactory.createProbabilityWeight(
                    scoreDirector, entity);
            cachedEntityMap.put(probabilityWeightOffset, entity);
            probabilityWeightOffset += probabilityWeight;
        }
        probabilityWeightTotal = probabilityWeightOffset;
    }
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