org.drools.planner.core.localsearch.LocalSearchStepScope Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
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.

There is a newer version: 6.0.0.Alpha9

Show newest version

/*
 * 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
    // ************************************************************************

}