Package org.optaplanner.core.impl.heuristic.selector.move

Examples of org.optaplanner.core.impl.heuristic.selector.move.MoveSelector

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                        return noUpcomingSelection();
                    }
                    entityIterator.next();
                    moveSelectorIterator = moveSelectorList.iterator();
                }
                MoveSelector moveSelector = moveSelectorIterator.next();
                moveIterator = moveSelector.iterator();
            }
            return new Placement(moveIterator);
        }
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        emptyOriginSelection(true, true, true);
    }

    public void emptyOriginSelection(boolean ignoreEmptyChildIterators, boolean emptyFirst, boolean emptySecond) {
        assertTrue(emptyFirst || emptySecond);
        MoveSelector nonEmptyChildMoveSelector = SelectorTestUtils.mockMoveSelector(DummyMove.class,
                new DummyMove("a1"), new DummyMove("a2"), new DummyMove("a3"));// One side is not empty
        ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<MoveSelector>();
        childMoveSelectorList.add(emptyFirst
                ? SelectorTestUtils.mockMoveSelector(DummyMove.class) : nonEmptyChildMoveSelector);
        childMoveSelectorList.add(emptySecond
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                false));
        moveSelectorList.add(new ChangeMoveSelector(
                new MimicReplayingEntitySelector(recordingEntitySelector),
                secondaryValueSelector,
                false));
        MoveSelector moveSelector = new CartesianProductMoveSelector(moveSelectorList,
                ignoreEmptyChildIterators, false);

        DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
        moveSelector.solvingStarted(solverScope);

        AbstractPhaseScope phaseScopeA = mock(AbstractPhaseScope.class);
        when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeA);

        AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
        when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA1);
        assertAllCodesOfMoveSelector(moveSelector, DO_NOT_ASSERT_SIZE,
                "a->1+a->8", "a->1+a->9", "a->2+a->8", "a->2+a->9", "a->3+a->8", "a->3+a->9",
                "b->1+b->8", "b->1+b->9", "b->2+b->8", "b->2+b->9", "b->3+b->8", "b->3+b->9");
        moveSelector.stepEnded(stepScopeA1);

        AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
        when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA2);
        assertAllCodesOfMoveSelector(moveSelector, DO_NOT_ASSERT_SIZE,
                "a->1+a->8", "a->1+a->9", "a->2+a->8", "a->2+a->9", "a->3+a->8", "a->3+a->9",
                "b->1+b->8", "b->1+b->9", "b->2+b->8", "b->2+b->9", "b->3+b->8", "b->3+b->9");
        moveSelector.stepEnded(stepScopeA2);

        moveSelector.phaseEnded(phaseScopeA);

        moveSelector.solvingEnded(solverScope);

        verifyPhaseLifecycle(entitySelector, 1, 1, 2);
        verifyPhaseLifecycle(primaryValueSelector, 1, 1, 2);
        verifyPhaseLifecycle(secondaryValueSelector, 1, 1, 2);
    }
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                false));
        moveSelectorList.add(new ChangeMoveSelector(
                new MimicReplayingEntitySelector(recordingEntitySelector),
                secondaryValueSelector,
                false));
        MoveSelector moveSelector = new CartesianProductMoveSelector(moveSelectorList,
                ignoreEmptyChildIterators, true);

        DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
        moveSelector.solvingStarted(solverScope);

        AbstractPhaseScope phaseScopeA = mock(AbstractPhaseScope.class);
        when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeA);

        AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
        when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA1);
        assertCodesOfNeverEndingMoveSelector(moveSelector, 24L,
                "a->1+a->8", "a->2+a->9", "a->3+a->8", "b->1+a->9", "b->2+b->8", "b->3+b->9");
        moveSelector.stepEnded(stepScopeA1);

        moveSelector.phaseEnded(phaseScopeA);

        moveSelector.solvingEnded(solverScope);

        verifyPhaseLifecycle(entitySelector, 1, 1, 1);
        verifyPhaseLifecycle(primaryValueSelector, 1, 1, 1);
        verifyPhaseLifecycle(secondaryValueSelector, 1, 1, 1);
    }
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            throw new IllegalArgumentException("The moveSelectorConfigList (" + moveSelectorConfigList
                    + ") must be a singleton or empty. Use a single " + UnionMoveSelectorConfig.class
                    + " or " + CartesianProductMoveSelectorConfig.class
                    + " element to nest multiple MoveSelectors.");
        }
        MoveSelector moveSelector = moveSelectorConfig.buildMoveSelector(
                configPolicy, SelectionCacheType.JUST_IN_TIME, SelectionOrder.ORIGINAL);
        return new PooledEntityPlacer(moveSelector);
    }
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public class SelectedCountLimitMoveSelectorTest {

    @Test
    public void selectSizeLimitLowerThanSelectorSize() {
        MoveSelector childMoveSelector = SelectorTestUtils.mockMoveSelector(DummyMove.class,
                new DummyMove("a1"), new DummyMove("a2"), new DummyMove("a3"), new DummyMove("a4"), new DummyMove("a5"));
        MoveSelector moveSelector = new SelectedCountLimitMoveSelector(childMoveSelector, 3L);

        DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
        moveSelector.solvingStarted(solverScope);

        AbstractPhaseScope phaseScopeA = mock(AbstractPhaseScope.class);
        when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeA);

        AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
        when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA1);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeA1);

        AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
        when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA2);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeA2);

        moveSelector.phaseEnded(phaseScopeA);

        AbstractPhaseScope phaseScopeB = mock(AbstractPhaseScope.class);
        when(phaseScopeB.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeB);

        AbstractStepScope stepScopeB1 = mock(AbstractStepScope.class);
        when(stepScopeB1.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB1);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeB1);

        AbstractStepScope stepScopeB2 = mock(AbstractStepScope.class);
        when(stepScopeB2.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB2);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeB2);

        AbstractStepScope stepScopeB3 = mock(AbstractStepScope.class);
        when(stepScopeB3.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB3);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeB3);

        moveSelector.phaseEnded(phaseScopeB);

        moveSelector.solvingEnded(solverScope);

        verifyPhaseLifecycle(childMoveSelector, 1, 2, 5);
        verify(childMoveSelector, times(5)).iterator();
        verify(childMoveSelector, times(5)).getSize();
    }
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    }


    @Test
    public void selectSizeLimitHigherThanSelectorSize() {
        MoveSelector childMoveSelector = SelectorTestUtils.mockMoveSelector(DummyMove.class,
                new DummyMove("a1"), new DummyMove("a2"), new DummyMove("a3"));
        MoveSelector moveSelector = new SelectedCountLimitMoveSelector(childMoveSelector, 5L);

        DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
        moveSelector.solvingStarted(solverScope);

        AbstractPhaseScope phaseScopeA = mock(AbstractPhaseScope.class);
        when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeA);

        AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
        when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA1);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeA1);

        AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
        when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA2);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeA2);

        moveSelector.phaseEnded(phaseScopeA);

        AbstractPhaseScope phaseScopeB = mock(AbstractPhaseScope.class);
        when(phaseScopeB.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeB);

        AbstractStepScope stepScopeB1 = mock(AbstractStepScope.class);
        when(stepScopeB1.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB1);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeB1);

        AbstractStepScope stepScopeB2 = mock(AbstractStepScope.class);
        when(stepScopeB2.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB2);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeB2);

        AbstractStepScope stepScopeB3 = mock(AbstractStepScope.class);
        when(stepScopeB3.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB3);
        assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
        moveSelector.stepEnded(stepScopeB3);

        moveSelector.phaseEnded(phaseScopeB);

        moveSelector.solvingEnded(solverScope);

        verifyPhaseLifecycle(childMoveSelector, 1, 2, 5);
        verify(childMoveSelector, times(5)).iterator();
        verify(childMoveSelector, times(5)).getSize();
    }
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    public void cacheTypeJustInTime() {
        runCacheType(SelectionCacheType.JUST_IN_TIME, 5);
    }

    public void runCacheType(SelectionCacheType cacheType, int timesCalled) {
        MoveSelector childMoveSelector = SelectorTestUtils.mockMoveSelector(DummyMove.class,
                new DummyMove("jan"), new DummyMove("feb"), new DummyMove("mar"),
                new DummyMove("apr"), new DummyMove("may"), new DummyMove("jun"));

        SelectionSorter<DummyMove> sorter = new SelectionSorter<DummyMove>() {
            public void sort(ScoreDirector scoreDirector, List<DummyMove> selectionList) {
                Collections.sort(selectionList, new Comparator<DummyMove>() {
                    public int compare(DummyMove a, DummyMove b) {
                        return a.getCode().compareTo(b.getCode());
                    }
                });
            }
        };
        MoveSelector moveSelector = new SortingMoveSelector(childMoveSelector, cacheType, sorter);

        DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
        moveSelector.solvingStarted(solverScope);

        AbstractPhaseScope phaseScopeA = mock(AbstractPhaseScope.class);
        when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeA);

        AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
        when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA1);
        assertAllCodesOfMoveSelector(moveSelector, "apr", "feb", "jan", "jun", "mar", "may");
        moveSelector.stepEnded(stepScopeA1);

        AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
        when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
        moveSelector.stepStarted(stepScopeA2);
        assertAllCodesOfMoveSelector(moveSelector, "apr", "feb", "jan", "jun", "mar", "may");
        moveSelector.stepEnded(stepScopeA2);

        moveSelector.phaseEnded(phaseScopeA);

        AbstractPhaseScope phaseScopeB = mock(AbstractPhaseScope.class);
        when(phaseScopeB.getSolverScope()).thenReturn(solverScope);
        moveSelector.phaseStarted(phaseScopeB);

        AbstractStepScope stepScopeB1 = mock(AbstractStepScope.class);
        when(stepScopeB1.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB1);
        assertAllCodesOfMoveSelector(moveSelector, "apr", "feb", "jan", "jun", "mar", "may");
        moveSelector.stepEnded(stepScopeB1);

        AbstractStepScope stepScopeB2 = mock(AbstractStepScope.class);
        when(stepScopeB2.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB2);
        assertAllCodesOfMoveSelector(moveSelector, "apr", "feb", "jan", "jun", "mar", "may");
        moveSelector.stepEnded(stepScopeB2);

        AbstractStepScope stepScopeB3 = mock(AbstractStepScope.class);
        when(stepScopeB3.getPhaseScope()).thenReturn(phaseScopeB);
        moveSelector.stepStarted(stepScopeB3);
        assertAllCodesOfMoveSelector(moveSelector, "apr", "feb", "jan", "jun", "mar", "may");
        moveSelector.stepEnded(stepScopeB3);

        moveSelector.phaseEnded(phaseScopeB);

        moveSelector.solvingEnded(solverScope);

        verifyPhaseLifecycle(childMoveSelector, 1, 2, 5);
        verify(childMoveSelector, times(timesCalled)).iterator();
        verify(childMoveSelector, times(timesCalled)).getSize();
    }
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        validateCacheTypeVersusSelectionOrder(resolvedCacheType, resolvedSelectionOrder);
        validateSorting(resolvedSelectionOrder);
        validateProbability(resolvedSelectionOrder);
        validateSelectedLimit(minimumCacheType);

        MoveSelector moveSelector = buildBaseMoveSelector(configPolicy,
                SelectionCacheType.max(minimumCacheType, resolvedCacheType),
                determineBaseRandomSelection(resolvedCacheType, resolvedSelectionOrder));

        moveSelector = applyFiltering(resolvedCacheType, resolvedSelectionOrder, moveSelector);
        moveSelector = applySorting(resolvedCacheType, resolvedSelectionOrder, moveSelector);
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            List<Move> moveList = new ArrayList<Move>(moveIteratorList.size());
            for (int i = 0; i < moveIteratorList.size(); i++) {
                Iterator<Move> moveIterator = moveIteratorList.get(i);
                boolean skip = false;
                if (!moveIterator.hasNext()) {
                    MoveSelector moveSelector = childMoveSelectorList.get(i);
                    moveIterator = moveSelector.iterator();
                    moveIteratorList.set(i, moveIterator);
                    if (!moveIterator.hasNext()) {
                        if (ignoreEmptyChildIterators) {
                            skip = true;
                        } else {
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Related Classes of org.optaplanner.core.impl.heuristic.selector.move.MoveSelector

  • org.optaplanner.core.config.constructionheuristic.placer.PooledEntityPlacerConfig
  • org.optaplanner.core.config.exhaustivesearch.ExhaustiveSearchPhaseConfig
  • org.optaplanner.core.config.heuristic.selector.move.composite.UnionMoveSelectorConfig
  • org.optaplanner.core.config.heuristic.selector.move.MoveSelectorConfig
  • org.optaplanner.core.config.heuristic.selector.move.MoveSelectorConfigTest
  • org.optaplanner.core.config.localsearch.LocalSearchPhaseConfig
  • org.optaplanner.core.impl.constructionheuristic.placer.entity.PooledEntityPlacerTest
  • org.optaplanner.core.impl.constructionheuristic.placer.entity.QueuedEntityPlacerTest
  • org.optaplanner.core.impl.constructionheuristic.placer.QueuedEntityPlacer$QueuedEntityPlacingIterator
  • org.optaplanner.core.impl.heuristic.selector.move.composite.CartesianProductMoveSelector$RandomCartesianProductMoveIterator
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