org.drools.planner.api.domain.variable.PlanningValueStrengthWeightFactory Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of drools-planner-core Show documentation
Show all versions of drools-planner-core Show documentation
Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule
engine powered score calculation. This is the drools-planner-core module which contains metaheuristic
algorithms.
/*
* Copyright 2011 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.drools.planner.api.domain.variable;
import org.drools.planner.core.solution.Solution;
/**
* Creates a strengthWeight for a planning variable value.
* A strengthWeight estimates how strong a planning value is.
* Some algorithms benefit from planning on weaker planning values first or from focusing on them.
*/
public interface PlanningValueStrengthWeightFactory {
/**
* @param solution never null, the {@link Solution} to which the planningEntity belongs
* @param planningValue never null, the planning value to create the strengthWeight for
* @return never null
*/
Comparable createStrengthWeight(Solution solution, Object planningValue);
}