/*
* Copyright 2013 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.constructionheuristic.decider.forager;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.optaplanner.core.config.heuristic.policy.HeuristicConfigPolicy;
import org.optaplanner.core.config.util.ConfigUtils;
import org.optaplanner.core.impl.constructionheuristic.decider.forager.ConstructionHeuristicForager;
import org.optaplanner.core.impl.constructionheuristic.decider.forager.DefaultConstructionHeuristicForager;
import org.optaplanner.core.impl.score.definition.FeasibilityScoreDefinition;
@XStreamAlias("constructionHeuristicForager")
public class ConstructionHeuristicForagerConfig {
private ConstructionHeuristicPickEarlyType pickEarlyType = null;
public ConstructionHeuristicPickEarlyType getPickEarlyType() {
return pickEarlyType;
}
public void setPickEarlyType(ConstructionHeuristicPickEarlyType pickEarlyType) {
this.pickEarlyType = pickEarlyType;
}
// ************************************************************************
// Builder methods
// ************************************************************************
public ConstructionHeuristicForager buildForager(HeuristicConfigPolicy configPolicy) {
ConstructionHeuristicPickEarlyType pickEarlyType_;
if (pickEarlyType == null) {
pickEarlyType_ = configPolicy.getScoreDirectorFactory().getInitializingScoreTrend().isOnlyDown()
? ConstructionHeuristicPickEarlyType.FIRST_NON_DETERIORATING_SCORE : ConstructionHeuristicPickEarlyType.NEVER;
} else {
if ((pickEarlyType == ConstructionHeuristicPickEarlyType.FIRST_FEASIBLE_SCORE
|| pickEarlyType == ConstructionHeuristicPickEarlyType.FIRST_FEASIBLE_SCORE_OR_NON_DETERIORATING_HARD)
&& !(configPolicy.getScoreDefinition() instanceof FeasibilityScoreDefinition)) {
throw new IllegalArgumentException("The pickEarlyType (" + pickEarlyType
+ ") is not compatible with the scoreDefinition (" + configPolicy.getScoreDefinition() + ").");
}
pickEarlyType_ = pickEarlyType;
}
return new DefaultConstructionHeuristicForager(pickEarlyType_);
}
public void inherit(ConstructionHeuristicForagerConfig inheritedConfig) {
pickEarlyType = ConfigUtils.inheritOverwritableProperty(pickEarlyType, inheritedConfig.getPickEarlyType());
}
}