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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.faultinjection;
import org.cloudbus.cloudsim.cloudlets.Cloudlet;
import org.cloudbus.cloudsim.vms.Vm;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.function.UnaryOperator;
/**
* A class that implements the Null Object Design Pattern for {@link VmCloner}
* objects.
*
* @author Manoel Campos da Silva Filho
* @see VmCloner#NULL
*/
final class VmClonerNull implements VmCloner {
@Override public int getClonedVmsNumber() {
return 0;
}
@Override public Map.Entry> clone(Vm sourceVm) { return new HashMap.SimpleEntry<>(Vm.NULL, Collections.EMPTY_LIST); }
@Override public VmCloner setVmClonerFunction(UnaryOperator vmClonerFunction) {
return this;
}
@Override public VmCloner setCloudletsClonerFunction(Function> cloudletsClonerFunction) { return this; }
@Override public int getMaxClonesNumber() {
return 0;
}
@Override public boolean isMaxClonesNumberReached() {
return false;
}
@Override public VmCloner setMaxClonesNumber(int maxClonesNumber) {
return this;
}
}
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