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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 2010 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.core.localsearch;
import java.util.Comparator;
import org.drools.planner.core.move.Move;
import org.drools.planner.core.phase.AbstractSolverPhaseScope;
import org.drools.planner.core.phase.step.AbstractStepScope;
import org.drools.planner.core.score.Score;
public class LocalSearchStepScope extends AbstractStepScope {
private final LocalSearchSolverPhaseScope localSearchSolverPhaseScope;
private double timeGradient = Double.NaN;
private Move step = null;
private String stepString = null;
private Move undoStep = null;
public LocalSearchStepScope(LocalSearchSolverPhaseScope localSearchSolverPhaseScope) {
this.localSearchSolverPhaseScope = localSearchSolverPhaseScope;
}
public LocalSearchSolverPhaseScope getLocalSearchSolverPhaseScope() {
return localSearchSolverPhaseScope;
}
@Override
public AbstractSolverPhaseScope getSolverPhaseScope() {
return localSearchSolverPhaseScope;
}
public double getTimeGradient() {
return timeGradient;
}
public void setTimeGradient(double timeGradient) {
this.timeGradient = timeGradient;
}
public Move getStep() {
return step;
}
public void setStep(Move step) {
this.step = step;
}
/**
* @return null if logging level is to high
*/
public String getStepString() {
return stepString;
}
public void setStepString(String stepString) {
this.stepString = stepString;
}
public Move getUndoStep() {
return undoStep;
}
public void setUndoStep(Move undoStep) {
this.undoStep = undoStep;
}
// ************************************************************************
// Calculated methods
// ************************************************************************
}