Package org.optaplanner.core.impl.constructionheuristic.scope

Examples of org.optaplanner.core.impl.constructionheuristic.scope.ConstructionHeuristicPhaseScope

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        moveScope.setUndoMove(undoMove);
        move.doMove(scoreDirector);
        processMove(moveScope);
        undoMove.doMove(scoreDirector);
        if (assertExpectedUndoMoveScore) {
            ConstructionHeuristicPhaseScope phaseScope = moveScope.getStepScope().getPhaseScope();
            phaseScope.assertExpectedUndoMoveScore(move, undoMove);
        }
        logger.trace("        Move index ({}), score ({}), move ({}).",
                moveScope.getMoveIndex(), moveScope.getScore(), moveScope.getMove());
    }
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    // ************************************************************************
    // Worker methods
    // ************************************************************************

    public void solve(DefaultSolverScope solverScope) {
        ConstructionHeuristicPhaseScope phaseScope = new ConstructionHeuristicPhaseScope(solverScope);
        phaseStarted(phaseScope);

        for (Placement placement : entityPlacer) {
            ConstructionHeuristicStepScope stepScope = new ConstructionHeuristicStepScope(phaseScope);
            stepStarted(stepScope);
            decider.decideNextStep(stepScope, placement);
            if (stepScope.getStep() == null) {
                if (termination.isPhaseTerminated(phaseScope)) {
                    logger.trace("    Step index ({}), time spent ({}) terminated without picking a nextStep.",
                            stepScope.getStepIndex(),
                            stepScope.getPhaseScope().calculateSolverTimeMillisSpent());
                } else if (stepScope.getSelectedMoveCount() == 0L) {
                    logger.warn("    No doable selected move at step index ({}), time spent ({})."
                            + " Terminating phase early.",
                            stepScope.getStepIndex(),
                            stepScope.getPhaseScope().calculateSolverTimeMillisSpent());
                } else {
                    throw new IllegalStateException("The step index (" + stepScope.getStepIndex()
                            + ") has selected move count (" + stepScope.getSelectedMoveCount()
                            + ") but failed to pick a nextStep (" + stepScope.getStep() + ").");
                }
                // Although stepStarted has been called, stepEnded is not called for this step
                break;
            }
            doStep(stepScope);
            stepEnded(stepScope);
            phaseScope.setLastCompletedStepScope(stepScope);
            if (termination.isPhaseTerminated(phaseScope)) {
                break;
            }
        }
        phaseEnded(phaseScope);
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        }
        phaseEnded(phaseScope);
    }

    private void doStep(ConstructionHeuristicStepScope stepScope) {
        ConstructionHeuristicPhaseScope phaseScope = stepScope.getPhaseScope();
        Move nextStep = stepScope.getStep();
        nextStep.doMove(stepScope.getScoreDirector());
        // there is no need to recalculate the score, but we still need to set it
        phaseScope.getWorkingSolution().setScore(stepScope.getScore());
        if (assertStepScoreFromScratch) {
            phaseScope.assertWorkingScoreFromScratch(stepScope.getScore(), nextStep);
        }
        if (assertExpectedStepScore) {
            phaseScope.assertExpectedWorkingScore(stepScope.getScore(), nextStep);
        }
    }
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        assertEquals(true, forager.isQuitEarly());
    }


    protected ConstructionHeuristicStepScope buildStepScope(Score lastStepScore) {
        ConstructionHeuristicPhaseScope phaseScope = mock(ConstructionHeuristicPhaseScope.class);
        ConstructionHeuristicStepScope lastCompletedStepScope = mock(ConstructionHeuristicStepScope.class);
        when(lastCompletedStepScope.getPhaseScope()).thenReturn(phaseScope);
        when(lastCompletedStepScope.getScore()).thenReturn(lastStepScore);
        when(phaseScope.getLastCompletedStepScope()).thenReturn(lastCompletedStepScope);

        ConstructionHeuristicStepScope stepScope = mock(ConstructionHeuristicStepScope.class);
        when(stepScope.getPhaseScope()).thenReturn(phaseScope);
        return stepScope;
    }
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Related Classes of org.optaplanner.core.impl.constructionheuristic.scope.ConstructionHeuristicPhaseScope

  • org.optaplanner.core.impl.constructionheuristic.decider.ConstructionHeuristicDecider
  • org.optaplanner.core.impl.constructionheuristic.decider.forager.DefaultConstructionHeuristicForagerTest
  • org.optaplanner.core.impl.constructionheuristic.DefaultConstructionHeuristicPhase
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