Package org.optaplanner.core.impl.exhaustivesearch.node

Examples of org.optaplanner.core.impl.exhaustivesearch.node.ExhaustiveSearchLayer

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        int uninitializedVariableCount = phaseScope.getSolutionDescriptor()
                .countReinitializableVariables(scoreDirector, phaseScope.getWorkingSolution());
        Collection<GenuineVariableDescriptor> genuineVariableDescriptors = entitySelector.getEntityDescriptor()
                .getGenuineVariableDescriptors();
        for (Object entity : entitySelector) {
            ExhaustiveSearchLayer layer = new ExhaustiveSearchLayer(depth, entity, uninitializedVariableCount);
            // Keep in sync with ExhaustiveSearchPhaseConfig.buildMoveSelectorConfig()
            // which includes all genuineVariableDescriptors
            int reinitializeVariableCount = entitySelector.getEntityDescriptor()
                    .countReinitializableVariables(scoreDirector, entity);
            // Ignore entities with only initialized variables to avoid confusing bound decisions
            if (reinitializeVariableCount == 0) {
                continue;
            }
            depth++;
            uninitializedVariableCount -= reinitializeVariableCount;
            layerList.add(layer);
        }
        ExhaustiveSearchLayer lastLayer = new ExhaustiveSearchLayer(depth, null, uninitializedVariableCount);
        layerList.add(lastLayer);
        entitySelector.stepEnded(stepScope);
        phaseScope.setLayerList(layerList);
    }
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        entitySelector.stepEnded(stepScope);
        phaseScope.setLayerList(layerList);
    }

    private void initStartNode(ExhaustiveSearchPhaseScope phaseScope) {
        ExhaustiveSearchLayer startLayer = phaseScope.getLayerList().get(0);
        ExhaustiveSearchNode startNode = new ExhaustiveSearchNode(startLayer, null);

        if (decider.isScoreBounderEnabled()) {
            ScoreDirector scoreDirector = phaseScope.getScoreDirector();
            Score score = scoreDirector.calculateScore();
            startNode.setScore(score);
            ScoreBounder scoreBounder = decider.getScoreBounder();
            phaseScope.setBestPessimisticBound(startLayer.isLastLayer() ? score
                    : scoreBounder.calculatePessimisticBound(scoreDirector, score));
            startNode.setOptimisticBound(startLayer.isLastLayer() ? score
                    : scoreBounder.calculateOptimisticBound(scoreDirector, score));
        }
        if (!startLayer.isLastLayer()) {
            phaseScope.addExpandableNode(startNode);
        }
        phaseScope.getLastCompletedStepScope().setExpandingNode(startNode);
    }
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        ExhaustiveSearchStepScope stepScope = mock(ExhaustiveSearchStepScope.class);
        when(stepScope.getPhaseScope()).thenReturn(phaseScope);
        Solution workingSolution = mock(Solution.class);
        when(phaseScope.getWorkingSolution()).thenReturn(workingSolution);

        ExhaustiveSearchLayer layer0 = new ExhaustiveSearchLayer(0, mock(Object.class), 100);
        ExhaustiveSearchLayer layer1 = new ExhaustiveSearchLayer(1, mock(Object.class), 99);
        ExhaustiveSearchLayer layer2 = new ExhaustiveSearchLayer(2, mock(Object.class), 98);
        ExhaustiveSearchLayer layer3 = new ExhaustiveSearchLayer(3, mock(Object.class), 97);
        ExhaustiveSearchLayer layer4 = new ExhaustiveSearchLayer(4, mock(Object.class), 96);
        ExhaustiveSearchNode node0 = new ExhaustiveSearchNode(layer0, null);
        node0.setMove(mock(Move.class));
        node0.setUndoMove(mock(Move.class));
        ExhaustiveSearchNode node1 = new ExhaustiveSearchNode(layer1, node0);
        node1.setMove(mock(Move.class));
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        ExhaustiveSearchNode expandingNode = stepScope.getExpandingNode();
        manualEntityMimicRecorder.setRecordedEntity(expandingNode.getEntity());
        stepScope.setBestScoreImproved(false);

        int moveIndex = 0;
        ExhaustiveSearchLayer moveLayer = stepScope.getPhaseScope().getLayerList().get(expandingNode.getDepth() + 1);
        for (Move move : moveSelector) {
            ExhaustiveSearchNode moveNode = new ExhaustiveSearchNode(moveLayer, expandingNode);
            moveIndex++;
            moveNode.setMove(move);
            // Do not filter out pointless moves, because the original value of the entity(s) is irrelevant.
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Related Classes of org.optaplanner.core.impl.exhaustivesearch.node.ExhaustiveSearchLayer

  • org.optaplanner.core.impl.exhaustivesearch.decider.ExhaustiveSearchDecider
  • org.optaplanner.core.impl.exhaustivesearch.DefaultExhaustiveSearchPhase
  • org.optaplanner.core.impl.exhaustivesearch.DefaultExhaustiveSearchPhaseTest
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