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CloudSim Plus: A modern, highly extensible and easier-to-use Java 8 Framework for Modeling and Simulation of Cloud Computing Infrastructures and Services
/*
* CloudSim Plus: A modern, highly-extensible and easier-to-use Framework for
* Modeling and Simulation of Cloud Computing Infrastructures and Services.
* http://cloudsimplus.org
*
* Copyright (C) 2015-2021 Universidade da Beira Interior (UBI, Portugal) and
* the Instituto Federal de Educação Ciência e Tecnologia do Tocantins (IFTO, Brazil).
*
* This file is part of CloudSim Plus.
*
* CloudSim Plus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* CloudSim Plus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CloudSim Plus. If not, see .
*/
package org.cloudsimplus.heuristics;
/**
* A class to allow the implementation of Null Object Design Pattern
* for the {@link Heuristic} interface and extensions of it.
*
* @author Manoel Campos da Silva Filho
*/
class HeuristicNull> implements Heuristic {
@Override public double getAcceptanceProbability() { return 0.0; }
@Override public int getRandomValue(int maxValue) { return 0; }
@Override public boolean isToStopSearch() { return false; }
@Override public S getInitialSolution() { return (S)HeuristicSolution.NULL; }
@Override public S getNeighborSolution() { return (S)HeuristicSolution.NULL; }
@Override public S createNeighbor(S source) { return (S)HeuristicSolution.NULL; }
@Override public S solve() { return (S)HeuristicSolution.NULL; }
@Override public S getBestSolutionSoFar() { return (S)HeuristicSolution.NULL; }
@Override public int getSearchesByIteration() { return 0; }
@Override public void setSearchesByIteration(int neighborhoodSearches) {/**/}
@Override public double getSolveTime() { return 0; }
}