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284
src/org/fog/placement/MyController.java
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284
src/org/fog/placement/MyController.java
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package org.fog.placement;
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import java.util.Calendar;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.cloudbus.cloudsim.core.CloudSim;
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import org.cloudbus.cloudsim.core.SimEntity;
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import org.cloudbus.cloudsim.core.SimEvent;
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import org.fog.application.AppEdge;
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import org.fog.application.AppLoop;
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import org.fog.application.AppModule;
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import org.fog.application.MyApplication;
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import org.fog.entities.MyActuator;
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import org.fog.entities.MyFogDevice;
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import org.fog.entities.MySensor;
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import org.fog.utils.Config;
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import org.fog.utils.FogEvents;
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import org.fog.utils.FogUtils;
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import org.fog.utils.NetworkUsageMonitor;
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import org.fog.utils.TimeKeeper;
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public class MyController extends SimEntity{
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public static boolean ONLY_CLOUD = false;
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private List<MyFogDevice> fogDevices;
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private List<MySensor> sensors;
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private List<MyActuator> actuators;
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private Map<String, MyApplication> applications;
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private Map<String, Integer> appLaunchDelays;
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private Map<String, MyModulePlacement> appModulePlacementPolicy;
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public MyController(String name, List<MyFogDevice> fogDevices, List<MySensor> sensors, List<MyActuator> actuators) {
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super(name);
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this.applications = new HashMap<String, MyApplication>();
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setAppLaunchDelays(new HashMap<String, Integer>());
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setAppModulePlacementPolicy(new HashMap<String, MyModulePlacement>());
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for(MyFogDevice fogDevice : fogDevices){
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fogDevice.setControllerId(getId());
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}
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setMyFogDevices(fogDevices);
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setMyActuators(actuators);
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setMySensors(sensors);
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connectWithLatencies();
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}
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private MyFogDevice getMyFogDeviceById(int id){
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for(MyFogDevice fogDevice : getMyFogDevices()){
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if(id==fogDevice.getId())
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return fogDevice;
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}
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return null;
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}
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private void connectWithLatencies(){
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for(MyFogDevice fogDevice : getMyFogDevices()){
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MyFogDevice parent = getMyFogDeviceById(fogDevice.getParentId());
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if(parent == null)
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continue;
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double latency = fogDevice.getUplinkLatency();
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parent.getChildToLatencyMap().put(fogDevice.getId(), latency);
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parent.getChildrenIds().add(fogDevice.getId());
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}
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}
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@Override
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public void startEntity() {
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for(String appId : applications.keySet()){
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if(getAppLaunchDelays().get(appId)==0)
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processAppSubmit(applications.get(appId));
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else
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send(getId(), getAppLaunchDelays().get(appId), FogEvents.APP_SUBMIT, applications.get(appId));
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}
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send(getId(), Config.RESOURCE_MANAGE_INTERVAL, FogEvents.CONTROLLER_RESOURCE_MANAGE);
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send(getId(), Config.MAX_SIMULATION_TIME, FogEvents.STOP_SIMULATION);
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for(MyFogDevice dev : getMyFogDevices())
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sendNow(dev.getId(), FogEvents.RESOURCE_MGMT);
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}
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@Override
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public void processEvent(SimEvent ev) {
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switch(ev.getTag()){
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case FogEvents.APP_SUBMIT:
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processAppSubmit(ev);
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break;
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case FogEvents.TUPLE_FINISHED:
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processTupleFinished(ev);
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break;
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case FogEvents.CONTROLLER_RESOURCE_MANAGE:
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manageResources();
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break;
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case FogEvents.STOP_SIMULATION:
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CloudSim.stopSimulation();
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printTimeDetails();
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printPowerDetails();
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printCostDetails();
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printNetworkUsageDetails();
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System.exit(0);
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break;
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}
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}
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private void printNetworkUsageDetails() {
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System.out.println("Total network usage = "+NetworkUsageMonitor.getNetworkUsage()/Config.MAX_SIMULATION_TIME);
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}
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private MyFogDevice getCloud(){
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for(MyFogDevice dev : getMyFogDevices())
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if(dev.getName().equals("cloud"))
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return dev;
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return null;
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}
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private void printCostDetails(){
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System.out.println("Cost of execution in cloud = "+getCloud().getTotalCost());
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}
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private void printPowerDetails() {
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for(MyFogDevice fogDevice : getMyFogDevices()){
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System.out.println(fogDevice.getName() + " : Energy Consumed = "+fogDevice.getEnergyConsumption());
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}
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}
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private String getStringForLoopId(int loopId){
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for(String appId : getMyApplications().keySet()){
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MyApplication app = getMyApplications().get(appId);
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for(AppLoop loop : app.getLoops()){
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if(loop.getLoopId() == loopId)
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return loop.getModules().toString();
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}
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}
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return null;
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}
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private void printTimeDetails() {
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System.out.println("=========================================");
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System.out.println("============== RESULTS ==================");
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System.out.println("=========================================");
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System.out.println("EXECUTION TIME : "+ (Calendar.getInstance().getTimeInMillis() - TimeKeeper.getInstance().getSimulationStartTime()));
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System.out.println("=========================================");
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System.out.println("APPLICATION LOOP DELAYS");
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System.out.println("=========================================");
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for(Integer loopId : TimeKeeper.getInstance().getLoopIdToTupleIds().keySet()){
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System.out.println(getStringForLoopId(loopId) + " ---> "+TimeKeeper.getInstance().getLoopIdToCurrentAverage().get(loopId));
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}
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System.out.println("=========================================");
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System.out.println("TUPLE CPU EXECUTION DELAY");
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System.out.println("=========================================");
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for(String tupleType : TimeKeeper.getInstance().getTupleTypeToAverageCpuTime().keySet()){
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System.out.println(tupleType + " ---> "+TimeKeeper.getInstance().getTupleTypeToAverageCpuTime().get(tupleType));
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}
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System.out.println("=========================================");
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}
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protected void manageResources(){
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send(getId(), Config.RESOURCE_MANAGE_INTERVAL, FogEvents.CONTROLLER_RESOURCE_MANAGE);
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}
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private void processTupleFinished(SimEvent ev) {
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}
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@Override
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public void shutdownEntity() {
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}
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public void submitApplication(MyApplication application, int delay, MyModulePlacement modulePlacement){
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FogUtils.appIdToGeoCoverageMap.put(application.getAppId(), application.getGeoCoverage());
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getMyApplications().put(application.getAppId(), application);
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getAppLaunchDelays().put(application.getAppId(), delay);
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getAppModulePlacementPolicy().put(application.getAppId(), modulePlacement);
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for(MySensor sensor : sensors){
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sensor.setApp(getMyApplications().get(sensor.getAppId()));
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}
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for(MyActuator ac : actuators){
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ac.setApp(getMyApplications().get(ac.getAppId()));
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}
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for(AppEdge edge : application.getEdges()){
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if(edge.getEdgeType() == AppEdge.ACTUATOR){
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String moduleName = edge.getSource();
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for(MyActuator actuator : getMyActuators()){
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if(actuator.getMyActuatorType().equalsIgnoreCase(edge.getDestination()))
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application.getModuleByName(moduleName).subscribeActuator(actuator.getId(), edge.getTupleType());
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}
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}
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}
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}
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public void submitApplication(MyApplication application, MyModulePlacement modulePlacement){
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submitApplication(application, 0, modulePlacement);
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}
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private void processAppSubmit(SimEvent ev){
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MyApplication app = (MyApplication) ev.getData();
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processAppSubmit(app);
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}
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private void processAppSubmit(MyApplication application){
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System.out.println(CloudSim.clock()+" Submitted application "+ application.getAppId());
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FogUtils.appIdToGeoCoverageMap.put(application.getAppId(), application.getGeoCoverage());
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getMyApplications().put(application.getAppId(), application);
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MyModulePlacement modulePlacement = getAppModulePlacementPolicy().get(application.getAppId());
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for(MyFogDevice fogDevice : fogDevices){
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sendNow(fogDevice.getId(), FogEvents.ACTIVE_APP_UPDATE, application);
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}
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Map<Integer, List<AppModule>> deviceToModuleMap = modulePlacement.getDeviceToModuleMap();
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for(Integer deviceId : deviceToModuleMap.keySet()){
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for(AppModule module : deviceToModuleMap.get(deviceId)){
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sendNow(deviceId, FogEvents.APP_SUBMIT, application);
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System.out.println(CloudSim.clock()+" Trying to Launch "+ module.getName() + " in "+getMyFogDeviceById(deviceId).getName());
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sendNow(deviceId, FogEvents.LAUNCH_MODULE, module);
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}
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}
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}
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public List<MyFogDevice> getMyFogDevices() {
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return fogDevices;
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}
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public void setMyFogDevices(List<MyFogDevice> fogDevices) {
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this.fogDevices = fogDevices;
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}
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public Map<String, Integer> getAppLaunchDelays() {
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return appLaunchDelays;
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}
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public void setAppLaunchDelays(Map<String, Integer> appLaunchDelays) {
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this.appLaunchDelays = appLaunchDelays;
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}
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public Map<String, MyApplication> getMyApplications() {
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return applications;
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}
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public void setMyApplications(Map<String, MyApplication> applications) {
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this.applications = applications;
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}
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public List<MySensor> getMySensors() {
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return sensors;
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}
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public void setMySensors(List<MySensor> sensors) {
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for(MySensor sensor : sensors)
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sensor.setControllerId(getId());
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this.sensors = sensors;
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}
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public List<MyActuator> getMyActuators() {
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return actuators;
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}
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public void setMyActuators(List<MyActuator> actuators) {
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this.actuators = actuators;
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}
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public Map<String, MyModulePlacement> getAppModulePlacementPolicy() {
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return appModulePlacementPolicy;
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}
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public void setAppModulePlacementPolicy(Map<String, MyModulePlacement> appModulePlacementPolicy) {
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this.appModulePlacementPolicy = appModulePlacementPolicy;
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}
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}
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