/*
* Copyright 2012 JBoss Inc
*
* 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.config.heuristic.selector.entity;
import org.junit.Test;
import org.optaplanner.core.config.heuristic.selector.AbstractSelectorConfigTest;
import org.optaplanner.core.config.heuristic.selector.common.SelectionCacheType;
import org.optaplanner.core.config.heuristic.selector.common.SelectionOrder;
import org.optaplanner.core.impl.heuristic.selector.entity.EntitySelector;
import org.optaplanner.core.impl.heuristic.selector.entity.FromSolutionEntitySelector;
import org.optaplanner.core.impl.heuristic.selector.entity.decorator.ShufflingEntitySelector;
import static org.optaplanner.core.impl.testdata.util.PlannerAssert.*;
public class EntitySelectorConfigTest extends AbstractSelectorConfigTest {
@Test
public void phaseOriginal() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.PHASE);
entitySelectorConfig.setSelectionOrder(SelectionOrder.ORIGINAL);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(FromSolutionEntitySelector.class, entitySelector);
assertNotInstanceOf(ShufflingEntitySelector.class, entitySelector);
assertEquals(SelectionCacheType.PHASE, entitySelector.getCacheType());
}
@Test
public void stepOriginal() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.STEP);
entitySelectorConfig.setSelectionOrder(SelectionOrder.ORIGINAL);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(FromSolutionEntitySelector.class, entitySelector);
assertNotInstanceOf(ShufflingEntitySelector.class, entitySelector);
assertEquals(SelectionCacheType.STEP, entitySelector.getCacheType());
}
@Test
public void justInTimeOriginal() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.JUST_IN_TIME);
entitySelectorConfig.setSelectionOrder(SelectionOrder.ORIGINAL);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(FromSolutionEntitySelector.class, entitySelector);
// cacheType gets upgraded to STEP
// assertEquals(SelectionCacheType.JUST_IN_TIME, entitySelector.getCacheType());
}
@Test
public void phaseRandom() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.PHASE);
entitySelectorConfig.setSelectionOrder(SelectionOrder.RANDOM);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(FromSolutionEntitySelector.class, entitySelector);
assertNotInstanceOf(ShufflingEntitySelector.class, entitySelector);
assertEquals(SelectionCacheType.PHASE, entitySelector.getCacheType());
}
@Test
public void stepRandom() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.STEP);
entitySelectorConfig.setSelectionOrder(SelectionOrder.RANDOM);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(FromSolutionEntitySelector.class, entitySelector);
assertNotInstanceOf(ShufflingEntitySelector.class, entitySelector);
assertEquals(SelectionCacheType.STEP, entitySelector.getCacheType());
}
@Test
public void justInTimeRandom() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.JUST_IN_TIME);
entitySelectorConfig.setSelectionOrder(SelectionOrder.RANDOM);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(FromSolutionEntitySelector.class, entitySelector);
// cacheType gets upgraded to STEP
// assertEquals(SelectionCacheType.JUST_IN_TIME, entitySelector.getCacheType());
}
@Test
public void phaseShuffled() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.PHASE);
entitySelectorConfig.setSelectionOrder(SelectionOrder.SHUFFLED);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(ShufflingEntitySelector.class, entitySelector);
assertInstanceOf(FromSolutionEntitySelector.class,
((ShufflingEntitySelector) entitySelector).getChildEntitySelector());
assertEquals(SelectionCacheType.PHASE, entitySelector.getCacheType());
}
@Test
public void stepShuffled() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.STEP);
entitySelectorConfig.setSelectionOrder(SelectionOrder.SHUFFLED);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
assertInstanceOf(ShufflingEntitySelector.class, entitySelector);
assertInstanceOf(FromSolutionEntitySelector.class,
((ShufflingEntitySelector) entitySelector).getChildEntitySelector());
assertEquals(SelectionCacheType.STEP, entitySelector.getCacheType());
}
@Test(expected = IllegalArgumentException.class)
public void justInTimeShuffled() {
EntitySelectorConfig entitySelectorConfig = new EntitySelectorConfig();
entitySelectorConfig.setCacheType(SelectionCacheType.JUST_IN_TIME);
entitySelectorConfig.setSelectionOrder(SelectionOrder.SHUFFLED);
EntitySelector entitySelector = entitySelectorConfig.buildEntitySelector(
buildHeuristicConfigPolicy(),
SelectionCacheType.JUST_IN_TIME, SelectionOrder.RANDOM);
}
}