/*
* Copyright 2012 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.optaplanner.core.impl.heuristic.selector.move.composite;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.optaplanner.core.impl.heuristic.move.DummyMove;
import org.optaplanner.core.impl.heuristic.selector.SelectorTestUtils;
import org.optaplanner.core.impl.heuristic.selector.entity.EntitySelector;
import org.optaplanner.core.impl.heuristic.selector.entity.mimic.MimicRecordingEntitySelector;
import org.optaplanner.core.impl.heuristic.selector.entity.mimic.MimicReplayingEntitySelector;
import org.optaplanner.core.impl.heuristic.selector.move.MoveSelector;
import org.optaplanner.core.impl.heuristic.selector.move.generic.ChangeMoveSelector;
import org.optaplanner.core.impl.heuristic.selector.value.ValueSelector;
import org.optaplanner.core.impl.phase.scope.AbstractPhaseScope;
import org.optaplanner.core.impl.phase.scope.AbstractStepScope;
import org.optaplanner.core.impl.solver.scope.DefaultSolverScope;
import org.optaplanner.core.impl.testdata.domain.TestdataValue;
import org.optaplanner.core.impl.testdata.domain.multivar.TestdataMultiVarEntity;
import static org.mockito.Mockito.*;
import static org.optaplanner.core.impl.testdata.util.PlannerAssert.*;
public class CartesianProductMoveSelectorTest {
@Test
public void originSelectionNotIgnoringEmpty() {
originSelection(false);
}
@Test
public void originSelectionIgnoringEmpty() {
originSelection(true);
}
public void originSelection(boolean ignoreEmptyChildIterators) {
ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<>();
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("a1"), new DummyMove("a2"), new DummyMove("a3")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("b1"), new DummyMove("b2")));
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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,
"a1+b1", "a1+b2",
"a2+b1", "a2+b2",
"a3+b1", "a3+b2");
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
@Test
public void emptyFirstOriginSelectionNotIgnoringEmpty() {
emptyOriginSelection(false, true, false);
}
@Test
public void emptyFirstOriginSelectionIgnoringEmpty() {
emptyOriginSelection(true, true, false);
}
@Test
public void emptySecondOriginSelectionNotIgnoringEmpty() {
emptyOriginSelection(false, false, true);
}
@Test
public void emptySecondOriginSelectionIgnoringEmpty() {
emptyOriginSelection(true, false, true);
}
@Test
public void emptyAllOriginSelectionNotIgnoringEmpty() {
emptyOriginSelection(false, true, true);
}
@Test
public void emptyAllOriginSelectionIgnoringEmpty() {
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<>();
childMoveSelectorList.add(emptyFirst
? SelectorTestUtils.mockMoveSelector(DummyMove.class) : nonEmptyChildMoveSelector);
childMoveSelectorList.add(emptySecond
? SelectorTestUtils.mockMoveSelector(DummyMove.class) : nonEmptyChildMoveSelector);
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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);
if (ignoreEmptyChildIterators && !(emptyFirst && emptySecond)) {
assertAllCodesOfMoveSelector(moveSelector, "a1", "a2", "a3");
} else {
assertAllCodesOfMoveSelector(moveSelector);
}
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
@Test
public void originSelection3ChildMoveSelectorsNotIgnoringEmpty() {
originSelection3ChildMoveSelectors(false);
}
@Test
public void originSelection3ChildMoveSelectorsIgnoringEmpty() {
originSelection3ChildMoveSelectors(true);
}
public void originSelection3ChildMoveSelectors(boolean ignoreEmptyChildIterators) {
ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<>();
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("a1"), new DummyMove("a2")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("b1"), new DummyMove("b2")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("c1"), new DummyMove("c2")));
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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,
"a1+b1+c1", "a1+b1+c2", "a1+b2+c1", "a1+b2+c2",
"a2+b1+c1", "a2+b1+c2", "a2+b2+c1", "a2+b2+c2");
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
@Test
public void emptyOriginSelection3ChildMoveSelectorsNotIgnoringEmpty() {
emptyOriginSelection3ChildMoveSelectors(false);
}
@Test
public void emptyOriginSelection3ChildMoveSelectorsIgnoringEmpty() {
emptyOriginSelection3ChildMoveSelectors(true);
}
public void emptyOriginSelection3ChildMoveSelectors(boolean ignoreEmptyChildIterators) {
ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<>();
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("a1"), new DummyMove("a2")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("c1"), new DummyMove("c2")));
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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);
if (ignoreEmptyChildIterators) {
assertAllCodesOfMoveSelector(moveSelector,
"a1+c1", "a1+c2", "a2+c1", "a2+c2");
} else {
assertAllCodesOfMoveSelector(moveSelector);
}
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
@Test
public void classicRandomSelectionNotIgnoringEmpty() {
classicRandomSelection(false);
}
@Test
public void classicRandomSelectionIgnoringEmpty() {
classicRandomSelection(true);
}
public void classicRandomSelection(boolean ignoreEmptyChildIterators) {
ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<>();
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("a1"), new DummyMove("a2"), new DummyMove("a3")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("b1"), new DummyMove("b2")));
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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, 6, "a1+b1", "a2+b2", "a3+b1", "a1+b2", "a2+b1", "a3+b2");
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
@Test
public void emptyRandomSelectionNotIgnoringEmpty() {
emptyRandomSelection(false);
}
@Test
public void emptyRandomSelectionIgnoringEmpty() {
emptyRandomSelection(true);
}
public void emptyRandomSelection(boolean ignoreEmptyChildIterators) {
ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<>();
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("b1"), new DummyMove("b2"))); // One side is not empty
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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);
if (ignoreEmptyChildIterators) {
assertCodesOfNeverEndingMoveSelector(moveSelector, 2L, "b1", "b2");
} else {
assertEmptyNeverEndingMoveSelector(moveSelector);
}
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
@Test
public void randomSelection3ChildMoveSelectorsNotIgnoringEmpty() {
randomSelection3ChildMoveSelectors(false);
}
@Test
public void randomSelection3ChildMoveSelectorsIgnoringEmpty() {
randomSelection3ChildMoveSelectors(true);
}
public void randomSelection3ChildMoveSelectors(boolean ignoreEmptyChildIterators) {
ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<>();
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("a1"), new DummyMove("a2")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("b1"), new DummyMove("b2")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("c1"), new DummyMove("c2")));
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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, 8L, "a1+b1+c1", "a2+b2+c2", "a1+b1+c1");
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
@Test
public void emptyRandomSelection3ChildMoveSelectorsNotIgnoringEmpty() {
emptyRandomSelection3ChildMoveSelectors(false);
}
@Test
public void emptyRandomSelection3ChildMoveSelectorsIgnoringEmpty() {
emptyRandomSelection3ChildMoveSelectors(true);
}
public void emptyRandomSelection3ChildMoveSelectors(boolean ignoreEmptyChildIterators) {
ArrayList<MoveSelector> childMoveSelectorList = new ArrayList<>();
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("b1"), new DummyMove("b2")));
childMoveSelectorList.add(SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("c1"), new DummyMove("c2"), new DummyMove("c3")));
CartesianProductMoveSelector moveSelector = new CartesianProductMoveSelector(childMoveSelectorList,
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);
if (ignoreEmptyChildIterators) {
assertCodesOfNeverEndingMoveSelector(moveSelector, 6L, "b1+c1", "b2+c2", "b1+c3");
} else {
assertEmptyNeverEndingMoveSelector(moveSelector);
}
moveSelector.stepEnded(stepScopeA1);
moveSelector.phaseEnded(phaseScopeA);
moveSelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childMoveSelectorList.get(0), 1, 1, 1);
verifyPhaseLifecycle(childMoveSelectorList.get(1), 1, 1, 1);
}
// ************************************************************************
// Integration with mimic
// ************************************************************************
@Test
public void originalMimicNotIgnoringEmpty() {
originalMimic(false);
}
@Test
public void originalMimicIgnoringEmpty() {
originalMimic(true);
}
public void originalMimic(boolean ignoreEmptyChildIterators) {
EntitySelector entitySelector = SelectorTestUtils.mockEntitySelector(TestdataMultiVarEntity.class,
new TestdataMultiVarEntity("a"), new TestdataMultiVarEntity("b"));
MimicRecordingEntitySelector recordingEntitySelector = new MimicRecordingEntitySelector(
entitySelector);
ValueSelector primaryValueSelector = SelectorTestUtils.mockValueSelector(
TestdataMultiVarEntity.class, "primaryValue",
new TestdataValue("1"), new TestdataValue("2"), new TestdataValue("3"));
ValueSelector secondaryValueSelector = SelectorTestUtils.mockValueSelector(
TestdataMultiVarEntity.class, "secondaryValue",
new TestdataValue("8"), new TestdataValue("9"));
List<MoveSelector> moveSelectorList = new ArrayList<>(2);
moveSelectorList.add(new ChangeMoveSelector(
recordingEntitySelector,
primaryValueSelector,
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);
}
@Test
public void randomMimicNotIgnoringEmpty() {
randomMimic(false);
}
@Test
public void randomMimicIgnoringEmpty() {
randomMimic(true);
}
public void randomMimic(boolean ignoreEmptyChildIterators) {
EntitySelector entitySelector = SelectorTestUtils.mockEntitySelector(TestdataMultiVarEntity.class,
new TestdataMultiVarEntity("a"), new TestdataMultiVarEntity("b"));
MimicRecordingEntitySelector recordingEntitySelector = new MimicRecordingEntitySelector(
entitySelector);
ValueSelector primaryValueSelector = SelectorTestUtils.mockValueSelector(
TestdataMultiVarEntity.class, "primaryValue",
new TestdataValue("1"), new TestdataValue("2"), new TestdataValue("3"));
ValueSelector secondaryValueSelector = SelectorTestUtils.mockValueSelector(
TestdataMultiVarEntity.class, "secondaryValue",
new TestdataValue("8"), new TestdataValue("9"));
List<MoveSelector> moveSelectorList = new ArrayList<>(2);
moveSelectorList.add(new ChangeMoveSelector(
recordingEntitySelector,
primaryValueSelector,
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);
}
}