Removed warnings from Network package

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/network/datacenter/TestExample.java

 package org.cloudbus.cloudsim.examples.network.datacenter;
 
-import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.text.DecimalFormat;
 import java.util.ArrayList;
@@ -10,20 +8,13 @@ import java.util.LinkedList;
 import java.util.List;
 
 import org.cloudbus.cloudsim.Cloudlet;
-import org.cloudbus.cloudsim.CloudletSchedulerSpaceShared;
 import org.cloudbus.cloudsim.DatacenterCharacteristics;
 import org.cloudbus.cloudsim.Host;
 import org.cloudbus.cloudsim.Log;
 import org.cloudbus.cloudsim.Pe;
 import org.cloudbus.cloudsim.Storage;
-import org.cloudbus.cloudsim.UtilizationModel;
-import org.cloudbus.cloudsim.UtilizationModelFull;
-import org.cloudbus.cloudsim.Vm;
-import org.cloudbus.cloudsim.VmAllocationPolicySimple;
 import org.cloudbus.cloudsim.VmSchedulerTimeShared;
 import org.cloudbus.cloudsim.core.CloudSim;
-import org.cloudbus.cloudsim.distributions.UniformDistr;
-import org.cloudbus.cloudsim.network.datacenter.AppCloudlet;
 import org.cloudbus.cloudsim.network.datacenter.EdgeSwitch;
 import org.cloudbus.cloudsim.network.datacenter.NetDatacenterBroker;
 import org.cloudbus.cloudsim.network.datacenter.NetworkConstants;
@@ -37,13 +28,6 @@ import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
 
 public class TestExample {
 
-	/**
-	 * @param args
-	 */
-
-	/** The cloudlet list. */
-	private static List<AppCloudlet> cloudletList;
-
 	/** The vmlist. */
 	private static List<NetworkVm> vmlist;
 
@@ -72,11 +56,9 @@ public class TestExample {
 
 			// Third step: Create Broker
 			NetDatacenterBroker broker = createBroker();
-			int brokerId = broker.getId();
 			broker.setLinkDC(datacenter0);
 			// broker.setLinkDC(datacenter0);
 			// Fifth step: Create one Cloudlet
-			cloudletList = new ArrayList<AppCloudlet>();
 
 			vmlist = new ArrayList<NetworkVm>();
 
@@ -92,9 +74,9 @@ public class TestExample {
 			// Final step: Print results when simulation is over
 			List<Cloudlet> newList = broker.getCloudletReceivedList();
 			printCloudletList(newList);
-			System.out.println("numberofcloudlet " + newList.size()
-					+ " Cached " + NetDatacenterBroker.cachedcloudlet
-					+ " Data transfered " + NetworkConstants.totaldatatransfer);
+			System.out.println("numberofcloudlet " + newList.size() + " Cached "
+					+ NetDatacenterBroker.cachedcloudlet + " Data transfered "
+					+ NetworkConstants.totaldatatransfer);
 			// Print the debt of each user to each datacenter
 			datacenter0.printDebts();
 
@@ -133,12 +115,10 @@ public class TestExample {
 
 		// 4. Create Host with its id and list of PEs and add them to the list
 		// of machines
-		int hostId = 0;
 		int ram = 2048; // host memory (MB)
 		long storage = 1000000; // host storage
 		int bw = 10000;
-		for (int i = 0; i < NetworkConstants.EdgeSwitchPort
-				* NetworkConstants.AggSwitchPort
+		for (int i = 0; i < NetworkConstants.EdgeSwitchPort * NetworkConstants.AggSwitchPort
 				* NetworkConstants.RootSwitchPort; i++) {
 			// 2. A Machine contains one or more PEs or CPUs/Cores.
 			// In this example, it will have only one core.
@@ -195,8 +175,12 @@ public class TestExample {
 
 			// 4. Create PowerHost with its id and list of PEs and add them to
 			// the list of machines
-			hostList.add(new NetworkHost(i, new RamProvisionerSimple(ram),
-					new BwProvisionerSimple(bw), storage, peList,
+			hostList.add(new NetworkHost(
+					i,
+					new RamProvisionerSimple(ram),
+					new BwProvisionerSimple(bw),
+					storage,
+					peList,
 					new VmSchedulerTimeShared(peList))); // This is our machine
 		}
 
@@ -220,14 +204,25 @@ public class TestExample {
 		// devices by now
 
 		DatacenterCharacteristics characteristics = new DatacenterCharacteristics(
-				arch, os, vmm, hostList, time_zone, cost, costPerMem,
-				costPerStorage, costPerBw);
+				arch,
+				os,
+				vmm,
+				hostList,
+				time_zone,
+				cost,
+				costPerMem,
+				costPerStorage,
+				costPerBw);
 
 		// 6. Finally, we need to create a NetworkDatacenter object.
 		NetworkDatacenter datacenter = null;
 		try {
-			datacenter = new NetworkDatacenter(name, characteristics,
-					new NetworkVmAllocationPolicy(hostList), storageList, 0);
+			datacenter = new NetworkDatacenter(
+					name,
+					characteristics,
+					new NetworkVmAllocationPolicy(hostList),
+					storageList,
+					0);
 
 		} catch (Exception e) {
 			e.printStackTrace();
@@ -263,17 +258,14 @@ public class TestExample {
 	 *            list of Cloudlets
 	 * @throws IOException
 	 */
-	private static void printCloudletList(List<Cloudlet> list)
-			throws IOException {
+	private static void printCloudletList(List<Cloudlet> list) throws IOException {
 		int size = list.size();
 		Cloudlet cloudlet;
-		double fintime = 0;
 		String indent = "    ";
 		Log.printLine();
 		Log.printLine("========== OUTPUT ==========");
-		Log.printLine("Cloudlet ID" + indent + "STATUS" + indent
-				+ "Data center ID" + indent + "VM ID" + indent + "Time"
-				+ indent + "Start Time" + indent + "Finish Time");
+		Log.printLine("Cloudlet ID" + indent + "STATUS" + indent + "Data center ID" + indent + "VM ID"
+				+ indent + "Time" + indent + "Start Time" + indent + "Finish Time");
 
 		DecimalFormat dft = new DecimalFormat("###.##");
 		for (int i = 0; i < size; i++) {
@@ -282,13 +274,9 @@ public class TestExample {
 
 			if (cloudlet.getCloudletStatus() == Cloudlet.SUCCESS) {
 				Log.print("SUCCESS");
-				fintime = cloudlet.getFinishTime();
-				Log.printLine(indent + indent + cloudlet.getResourceId()
-						+ indent + indent + indent + cloudlet.getVmId()
-						+ indent + indent
-						+ dft.format(cloudlet.getActualCPUTime()) + indent
-						+ indent + dft.format(cloudlet.getExecStartTime())
-						+ indent + indent
+				Log.printLine(indent + indent + cloudlet.getResourceId() + indent + indent + indent
+						+ cloudlet.getVmId() + indent + indent + dft.format(cloudlet.getActualCPUTime())
+						+ indent + indent + dft.format(cloudlet.getExecStartTime()) + indent + indent
 						+ dft.format(cloudlet.getFinishTime()));
 			}
 		}
@@ -297,24 +285,11 @@ public class TestExample {
 
 	static void CreateNetwork(int numhost, NetworkDatacenter dc) {
 
-		// //Root Switch
-		// Switch swroot=new Switch("Root", Constants.ROOT_LEVEL, dc);
-		// dc.Switchlist.put(swroot.getId(), swroot);
-		// //Agg Switch
-		// Switch aggswitch[]=new Switch[(int) Constants.RootSwitchPort];
-		// for(int j=0;j<Constants.RootSwitchPort;j++)
-		// {
-		// aggswitch[j]=new Switch("Agg"+j, Constants.Agg_LEVEL, dc);
-		// swroot.downlinkswitches.add(aggswitch[j]);
-		// aggswitch[j].uplinkswitches.add(swroot);
-		// dc.Switchlist.put(aggswitch[j].getId(), aggswitch[j]);
-		// }
 		// Edge Switch
 		EdgeSwitch edgeswitch[] = new EdgeSwitch[1];
 
 		for (int i = 0; i < 1; i++) {
-			edgeswitch[i] = new EdgeSwitch("Edge" + i,
-					NetworkConstants.EDGE_LEVEL, dc);
+			edgeswitch[i] = new EdgeSwitch("Edge" + i, NetworkConstants.EDGE_LEVEL, dc);
 			// edgeswitch[i].uplinkswitches.add(null);
 			dc.Switchlist.put(edgeswitch[i].getId(), edgeswitch[i]);
 			// aggswitch[(int)

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/EdgeSwitch.java

@@ -49,7 +49,6 @@ public class EdgeSwitch extends Switch{
 		this.switching_delay=NetworkConstants.SwitchingDelayEdge;
 		numport=NetworkConstants.EdgeSwitchPort;
 		uplinkswitches=new ArrayList<Switch>();
-		// TODO Auto-generated constructor stub
 	}
 	/**
 	 * Send Packet to switch connected through a uplink port
@@ -58,7 +57,6 @@ public class EdgeSwitch extends Switch{
 	 */
 	@Override
 	protected void processpacket_up(SimEvent ev) {
-		// TODO Auto-generated method stub
 		//packet coming from down level router/host.
 		//has to send up
 		//check which switch to forward to
@@ -114,7 +112,6 @@ public class EdgeSwitch extends Switch{
 
 	@Override
 	protected void processpacketforward(SimEvent ev) {
-		// TODO Auto-generated method stub
 		//search for the host and packets..send to them
 
 
@@ -143,8 +140,6 @@ public class EdgeSwitch extends Switch{
 		{
 			for(Entry<Integer, List<NetworkPacket>> es:packetTohost.entrySet())
 			{
-				int tosend=es.getKey();
-				NetworkHost hs=this.hostlist.get(tosend);
 				List<NetworkPacket> hspktlist=es.getValue();
 				if(!hspktlist.isEmpty()){
 					double avband=this.downlinkbandwidth/hspktlist.size();

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/NetDatacenterBroker.java

@@ -13,14 +13,8 @@ import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Random;
-import java.util.SortedMap;
-import java.util.TreeMap;
-import java.util.UUID;
 
 import org.cloudbus.cloudsim.Cloudlet;
-import org.cloudbus.cloudsim.CloudletSchedulerSpaceShared;
 import org.cloudbus.cloudsim.DatacenterCharacteristics;
 import org.cloudbus.cloudsim.Log;
 import org.cloudbus.cloudsim.Vm;
@@ -29,7 +23,6 @@ import org.cloudbus.cloudsim.core.CloudSimTags;
 import org.cloudbus.cloudsim.core.SimEntity;
 import org.cloudbus.cloudsim.core.SimEvent;
 import org.cloudbus.cloudsim.distributions.UniformDistr;
-import org.cloudbus.cloudsim.lists.CloudletList;
 import org.cloudbus.cloudsim.lists.VmList;
 
 /**
@@ -56,7 +49,7 @@ public class NetDatacenterBroker extends SimEntity {
 
 	private List<? extends AppCloudlet> appCloudletList;
 	/** The Appcloudlet submitted list. */
-	private Map<Integer, Integer> appCloudletRecieved;
+	private final Map<Integer, Integer> appCloudletRecieved;
 
 	private List<? extends Cloudlet> cloudletSubmittedList;
 
@@ -170,8 +163,8 @@ public class NetDatacenterBroker extends SimEntity {
 	// public void bindCloudletToVm(int cloudletId, int vmId){
 	// CloudletList.getById(getCloudletList(), cloudletId).setVmId(vmId);
 	// }
-	public void setLinkDC(NetworkDatacenter linkDC) {
-		this.linkDC = linkDC;
+	public void setLinkDC(NetworkDatacenter alinkDC) {
+		linkDC = alinkDC;
 	}
 
 	/**
@@ -206,8 +199,9 @@ public class NetDatacenterBroker extends SimEntity {
 			shutdownEntity();
 			break;
 		case CloudSimTags.NextCycle:
-			if (NetworkConstants.BASE)
-				this.createVmsInDatacenterBase(this.linkDC.getId());
+			if (NetworkConstants.BASE) {
+				this.createVmsInDatacenterBase(linkDC.getId());
+			}
 
 			break;
 			// other unknown tags are processed by this method
@@ -341,8 +335,6 @@ public class NetDatacenterBroker extends SimEntity {
 		// send as much vms as possible for this datacenter before trying the
 		// next one
 		int requestedVms = 0;
-		String datacenterName = CloudSim.getEntityName(datacenterId);
-		int j = 0;
 
 		// All host will have two VMs (assumption) VM is the minimum unit
 
@@ -360,16 +352,14 @@ public class NetDatacenterBroker extends SimEntity {
 			NetworkConstants.currentAppId++;
 
 		}
-		int seed = 5;
 		int k = 0;
-		int totalvm = this.vmsCreatedList.size();
 		int currentvmid = 0;
 
 		//schedule the application on VMs
 		for (AppCloudlet app : this.getAppCloudletList()) {
 
 			List<Integer> vmids = new ArrayList<Integer>();
-			int numVms = this.linkDC.getVmList().size();
+			int numVms = linkDC.getVmList().size();
 			UniformDistr ufrnd = new UniformDistr(0, numVms, 5);
 			for (int i = 0; i < app.numbervm; i++) {
 
@@ -416,8 +406,7 @@ public class NetDatacenterBroker extends SimEntity {
 	}
 
 	private void CreateVMs(int datacenterId) {
-		// TODO Auto-generated method stub
-		int numVM = this.linkDC.getHostList().size() * NetworkConstants.maxhostVM; // two
+		int numVM = linkDC.getHostList().size() * NetworkConstants.maxhostVM; // two
 		// VMs
 		// per
 		// host
@@ -436,7 +425,7 @@ public class NetDatacenterBroker extends SimEntity {
 			// create VM
 			NetworkVm vm = new NetworkVm(vmid, this.getId(), mips, pesNumber,
 					ram, bw, size, vmm, new NetworkCloudletSpaceSharedScheduler());
-			this.linkDC.processVmCreateNetwork(vm);
+			linkDC.processVmCreateNetwork(vm);
 			// add the VM to the vmList
 			getVmList().add(vm);
 			requestedVms++;
@@ -545,6 +534,7 @@ public class NetDatacenterBroker extends SimEntity {
 		this.cloudletList = cloudletList;
 	}
 
+	@SuppressWarnings("unchecked")
 	public <T extends AppCloudlet> List<T> getAppCloudletList() {
 		return (List<T>) appCloudletList;
 	}

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/NetworkCloudlet.java

@@ -5,10 +5,11 @@ import java.util.Map;
 
 import org.cloudbus.cloudsim.Cloudlet;
 import org.cloudbus.cloudsim.UtilizationModel;
+
 /**
- * NetworkCloudlet class extends Cloudlet to support simulation of complex applications. 
- * Each such network Cloudlet represents a task of the application. Each task consists of several
- * stages. 
+ * NetworkCloudlet class extends Cloudlet to support simulation of complex
+ * applications. Each such network Cloudlet represents a task of the
+ * application. Each task consists of several stages.
  * 
  * Please refer to following publication for more details:
  * 
@@ -21,49 +22,56 @@ import org.cloudbus.cloudsim.UtilizationModel;
  * @author Saurabh Kumar Garg
  * @since CloudSim Toolkit 1.0
  */
-public class NetworkCloudlet extends Cloudlet implements Comparable {
+public class NetworkCloudlet extends Cloudlet implements Comparable<Object> {
 
 	long memory;
 
-	public NetworkCloudlet(int cloudletId, long cloudletLength, int pesNumber,
-			long cloudletFileSize, long cloudletOutputSize, long memory,
+	public NetworkCloudlet(
+			int cloudletId,
+			long cloudletLength,
+			int pesNumber,
+			long cloudletFileSize,
+			long cloudletOutputSize,
+			long memory,
 			UtilizationModel utilizationModelCpu,
 			UtilizationModel utilizationModelRam,
 			UtilizationModel utilizationModelBw) {
-		super(cloudletId, cloudletLength, pesNumber, cloudletFileSize,
-				cloudletOutputSize, utilizationModelCpu, utilizationModelRam,
+		super(
+				cloudletId,
+				cloudletLength,
+				pesNumber,
+				cloudletFileSize,
+				cloudletOutputSize,
+				utilizationModelCpu,
+				utilizationModelRam,
 				utilizationModelBw);
-		// TODO Auto-generated constructor stub
+
 		currStagenum = -1;
 		this.memory = memory;
 		stages = new ArrayList<TaskStage>();
 	}
 
-	public double submittime; //time when cloudlet will be submitted
-	public double finishtime; //time when cloudlet finish execution
-	public double exetime; //execution time for cloudlet
-	public double numStage;//number of stages in cloudlet
-	public int currStagenum; //current stage of cloudlet execution
+	public double submittime; // time when cloudlet will be submitted
+	public double finishtime; // time when cloudlet finish execution
+	public double exetime; // execution time for cloudlet
+	public double numStage;// number of stages in cloudlet
+	public int currStagenum; // current stage of cloudlet execution
 	public double timetostartStage;
-	public double timespentInStage; //how much time spent in particular stage
+	public double timespentInStage; // how much time spent in particular stage
 	public Map<Double, HostPacket> timeCommunicate;
 
-	public ArrayList<TaskStage> stages; //all stages which cloudlet execution consists of. 
+	public ArrayList<TaskStage> stages; // all stages which cloudlet execution
+	// consists of.
 
 	public double starttime;
 
 	@Override
 	public int compareTo(Object arg0) {
-		// TODO Auto-generated method stub
-		NetworkCloudlet s1 = (NetworkCloudlet) arg0;
-		int alpha = 0;
-
 		return 0;
 	}
 
 	public double getSubmittime() {
-		// TODO Auto-generated method stub
 		return submittime;
-	};
+	}
 
 }

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/NetworkCloudletSpaceSharedScheduler.java

@@ -15,17 +15,19 @@ import org.cloudbus.cloudsim.core.CloudSimTags;
 public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 
 	/*
-	 * Title: CloudSim Toolkit Description: CloudSim (Cloud Simulation) Toolkit for Modeling and
-	 * Simulation of Clouds Licence: GPL - http://www.gnu.org/copyleft/gpl.html
+	 * Title: CloudSim Toolkit Description: CloudSim (Cloud Simulation) Toolkit
+	 * for Modeling and Simulation of Clouds Licence: GPL -
+	 * http://www.gnu.org/copyleft/gpl.html
 	 * 
 	 * Copyright (c) 2009-2010, The University of Melbourne, Australia
 	 */
 
 	/**
-	 * CloudletSchedulerSpaceShared implements a policy of scheduling performed by a virtual
-	 * machine. It consider that there will be only one cloudlet per VM. Other cloudlets will be in
-	 * a waiting list. We consider that file transfer from cloudlets waiting happens before cloudlet
-	 * execution. I.e., even though cloudlets must wait for CPU, data transfer happens as soon as
+	 * CloudletSchedulerSpaceShared implements a policy of scheduling performed
+	 * by a virtual machine. It consider that there will be only one cloudlet
+	 * per VM. Other cloudlets will be in a waiting list. We consider that file
+	 * transfer from cloudlets waiting happens before cloudlet execution. I.e.,
+	 * even though cloudlets must wait for CPU, data transfer happens as soon as
 	 * cloudlets are submitted.
 	 * 
 	 * @author Saurabh Kumar Garg
@@ -58,8 +60,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	public Map<Integer, List<HostPacket>> pktrecv;
 
 	/**
-	 * Creates a new CloudletSchedulerSpaceShared object. This method must be invoked before
-	 * starting the actual simulation.
+	 * Creates a new CloudletSchedulerSpaceShared object. This method must be
+	 * invoked before starting the actual simulation.
 	 * 
 	 * @pre $none
 	 * @post $none
@@ -77,13 +79,17 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	}
 
 	/**
-	 * Updates the processing of cloudlets running under management of this scheduler.
+	 * Updates the processing of cloudlets running under management of this
+	 * scheduler.
 	 * 
-	 * @param currentTime current simulation time
-	 * @param mipsShare array with MIPS share of each processor available to the scheduler
+	 * @param currentTime
+	 *            current simulation time
+	 * @param mipsShare
+	 *            array with MIPS share of each processor available to the
+	 *            scheduler
 	 * 
-	 * @return time predicted completion time of the earliest finishing cloudlet, or 0 if there is
-	 *         no next events
+	 * @return time predicted completion time of the earliest finishing
+	 *         cloudlet, or 0 if there is no next events
 	 * 
 	 * @pre currentTime >= 0
 	 * @post $none
@@ -91,7 +97,6 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	@Override
 	public double updateVmProcessing(double currentTime, List<Double> mipsShare) {
 		setCurrentMipsShare(mipsShare);
-		double timeSpam = currentTime - getPreviousTime(); // time since last
 		// update
 		double capacity = 0.0;
 		int cpus = 0;
@@ -139,10 +144,10 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 					List<HostPacket> pktlist = pktrecv.get(st.peer);
 					List<HostPacket> pkttoremove = new ArrayList<HostPacket>();
 					if (pktlist != null) {
-						Iterator it = pktlist.iterator();
+						Iterator<HostPacket> it = pktlist.iterator();
 						HostPacket pkt = null;
 						if (it.hasNext()) {
-							pkt = (HostPacket) it.next();
+							pkt = it.next();
 							if (pkt.reciever == cl.getVmId())// Asumption packet
 							// will not
 							// arrive in the
@@ -180,7 +185,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 
 		}
 
-		if (getCloudletExecList().size() == 0 && getCloudletWaitingList().size() == 0) { // no more
+		if (getCloudletExecList().size() == 0 && getCloudletWaitingList().size() == 0) { // no
+			// more
 			// cloudlets
 			// in
 			// this
@@ -247,7 +253,6 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	}
 
 	private void changetonextstage(NetworkCloudlet cl, TaskStage st) {
-		// TODO Auto-generated method stub
 		cl.timespentInStage = 0;
 		cl.timetostartStage = CloudSim.clock();
 		int currstage = cl.currStagenum;
@@ -255,7 +260,6 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 			cl.currStagenum = NetworkConstants.FINISH;
 		} else {
 			cl.currStagenum = currstage + 1;
-			TaskStage st1 = cl.stages.get(cl.currStagenum);
 			int i = 0;
 			for (i = cl.currStagenum; i < cl.stages.size(); i++) {
 				if (cl.stages.get(i).type == NetworkConstants.WAIT_SEND) {
@@ -302,7 +306,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Cancels execution of a cloudlet.
 	 * 
-	 * @param cloudletId ID of the cloudlet being cancealed
+	 * @param cloudletId
+	 *            ID of the cloudlet being cancealed
 	 * 
 	 * @return the canceled cloudlet, $null if not found
 	 * 
@@ -356,7 +361,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Pauses execution of a cloudlet.
 	 * 
-	 * @param cloudletId ID of the cloudlet being paused
+	 * @param cloudletId
+	 *            ID of the cloudlet being paused
 	 * 
 	 * @return $true if cloudlet paused, $false otherwise
 	 * 
@@ -420,7 +426,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Processes a finished cloudlet.
 	 * 
-	 * @param rcl finished cloudlet
+	 * @param rcl
+	 *            finished cloudlet
 	 * 
 	 * @pre rgl != $null
 	 * @post $none
@@ -436,7 +443,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Resumes execution of a paused cloudlet.
 	 * 
-	 * @param cloudletId ID of the cloudlet being resumed
+	 * @param cloudletId
+	 *            ID of the cloudlet being resumed
 	 * 
 	 * @return $true if the cloudlet was resumed, $false otherwise
 	 * 
@@ -460,7 +468,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 		if (found) {
 			ResCloudlet rcl = getCloudletPausedList().remove(position);
 
-			if ((currentCpus - usedPes) >= rcl.getNumberOfPes()) {// it can go to
+			if ((currentCpus - usedPes) >= rcl.getNumberOfPes()) {// it can go
+				// to
 				// the exec list
 				rcl.setCloudletStatus(Cloudlet.INEXEC);
 				for (int i = 0; i < rcl.getNumberOfPes(); i++) {
@@ -513,17 +522,22 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Receives an cloudlet to be executed in the VM managed by this scheduler.
 	 * 
-	 * @param cloudlet the submited cloudlet
-	 * @param fileTransferTime time required to move the required files from the SAN to the VM
+	 * @param cloudlet
+	 *            the submited cloudlet
+	 * @param fileTransferTime
+	 *            time required to move the required files from the SAN to the
+	 *            VM
 	 * 
-	 * @return expected finish time of this cloudlet, or 0 if it is in the waiting queue
+	 * @return expected finish time of this cloudlet, or 0 if it is in the
+	 *         waiting queue
 	 * 
 	 * @pre gl != null
 	 * @post $none
 	 */
 	@Override
 	public double cloudletSubmit(Cloudlet cloudlet, double fileTransferTime) {
-		if ((currentCpus - usedPes) >= cloudlet.getNumberOfPes()) {// it can go to
+		if ((currentCpus - usedPes) >= cloudlet.getNumberOfPes()) {// it can go
+			// to
 			// the exec
 			// list
 			ResCloudlet rcl = new ResCloudlet(cloudlet);
@@ -577,7 +591,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Gets the status of a cloudlet.
 	 * 
-	 * @param cloudletId ID of the cloudlet
+	 * @param cloudletId
+	 *            ID of the cloudlet
 	 * 
 	 * @return status of the cloudlet, -1 if cloudlet not found
 	 * 
@@ -610,7 +625,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Get utilization created by all cloudlets.
 	 * 
-	 * @param time the time
+	 * @param time
+	 *            the time
 	 * 
 	 * @return total utilization
 	 */
@@ -624,9 +640,11 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	}
 
 	/**
-	 * Informs about completion of some cloudlet in the VM managed by this scheduler.
+	 * Informs about completion of some cloudlet in the VM managed by this
+	 * scheduler.
 	 * 
-	 * @return $true if there is at least one finished cloudlet; $false otherwise
+	 * @return $true if there is at least one finished cloudlet; $false
+	 *         otherwise
 	 * 
 	 * @pre $none
 	 * @post $none
@@ -637,7 +655,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	}
 
 	/**
-	 * Returns the next cloudlet in the finished list, $null if this list is empty.
+	 * Returns the next cloudlet in the finished list, $null if this list is
+	 * empty.
 	 * 
 	 * @return a finished cloudlet
 	 * 
@@ -685,7 +704,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Gets the cloudlet waiting list.
 	 * 
-	 * @param <T> the generic type
+	 * @param <T>
+	 *            the generic type
 	 * @return the cloudlet waiting list
 	 */
 	@SuppressWarnings("unchecked")
@@ -696,8 +716,10 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Cloudlet waiting list.
 	 * 
-	 * @param <T> the generic type
-	 * @param cloudletWaitingList the cloudlet waiting list
+	 * @param <T>
+	 *            the generic type
+	 * @param cloudletWaitingList
+	 *            the cloudlet waiting list
 	 */
 	protected <T extends ResCloudlet> void cloudletWaitingList(List<T> cloudletWaitingList) {
 		this.cloudletWaitingList = cloudletWaitingList;
@@ -706,7 +728,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Gets the cloudlet exec list.
 	 * 
-	 * @param <T> the generic type
+	 * @param <T>
+	 *            the generic type
 	 * @return the cloudlet exec list
 	 */
 	@SuppressWarnings("unchecked")
@@ -717,8 +740,10 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Sets the cloudlet exec list.
 	 * 
-	 * @param <T> the generic type
-	 * @param cloudletExecList the new cloudlet exec list
+	 * @param <T>
+	 *            the generic type
+	 * @param cloudletExecList
+	 *            the new cloudlet exec list
 	 */
 	protected <T extends ResCloudlet> void setCloudletExecList(List<T> cloudletExecList) {
 		this.cloudletExecList = cloudletExecList;
@@ -727,7 +752,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Gets the cloudlet paused list.
 	 * 
-	 * @param <T> the generic type
+	 * @param <T>
+	 *            the generic type
 	 * @return the cloudlet paused list
 	 */
 	@SuppressWarnings("unchecked")
@@ -738,8 +764,10 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Sets the cloudlet paused list.
 	 * 
-	 * @param <T> the generic type
-	 * @param cloudletPausedList the new cloudlet paused list
+	 * @param <T>
+	 *            the generic type
+	 * @param cloudletPausedList
+	 *            the new cloudlet paused list
 	 */
 	protected <T extends ResCloudlet> void setCloudletPausedList(List<T> cloudletPausedList) {
 		this.cloudletPausedList = cloudletPausedList;
@@ -748,7 +776,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Gets the cloudlet finished list.
 	 * 
-	 * @param <T> the generic type
+	 * @param <T>
+	 *            the generic type
 	 * @return the cloudlet finished list
 	 */
 	@SuppressWarnings("unchecked")
@@ -759,8 +788,10 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/**
 	 * Sets the cloudlet finished list.
 	 * 
-	 * @param <T> the generic type
-	 * @param cloudletFinishedList the new cloudlet finished list
+	 * @param <T>
+	 *            the generic type
+	 * @param cloudletFinishedList
+	 *            the new cloudlet finished list
 	 */
 	protected <T extends ResCloudlet> void setCloudletFinishedList(List<T> cloudletFinishedList) {
 		this.cloudletFinishedList = cloudletFinishedList;
@@ -785,7 +816,8 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/*
 	 * (non-Javadoc)
 	 * 
-	 * @see org.cloudbus.cloudsim.CloudletScheduler# getTotalCurrentAvailableMipsForCloudlet
+	 * @see org.cloudbus.cloudsim.CloudletScheduler#
+	 * getTotalCurrentAvailableMipsForCloudlet
 	 * (org.cloudbus.cloudsim.ResCloudlet, java.util.List)
 	 */
 	@Override
@@ -806,36 +838,34 @@ public class NetworkCloudletSpaceSharedScheduler extends CloudletScheduler {
 	/*
 	 * (non-Javadoc)
 	 * 
-	 * @see org.cloudbus.cloudsim.CloudletScheduler# getTotalCurrentAllocatedMipsForCloudlet
+	 * @see org.cloudbus.cloudsim.CloudletScheduler#
+	 * getTotalCurrentAllocatedMipsForCloudlet
 	 * (org.cloudbus.cloudsim.ResCloudlet, double)
 	 */
 	@Override
 	public double getTotalCurrentAllocatedMipsForCloudlet(ResCloudlet rcl, double time) {
-		// TODO Auto-generated method stub
 		return 0.0;
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
-	 * @see org.cloudbus.cloudsim.CloudletScheduler# getTotalCurrentRequestedMipsForCloudlet
+	 * @see org.cloudbus.cloudsim.CloudletScheduler#
+	 * getTotalCurrentRequestedMipsForCloudlet
 	 * (org.cloudbus.cloudsim.ResCloudlet, double)
 	 */
 	@Override
 	public double getTotalCurrentRequestedMipsForCloudlet(ResCloudlet rcl, double time) {
-		// TODO Auto-generated method stub
 		return 0.0;
 	}
 
 	@Override
 	public double getCurrentRequestedUtilizationOfBw() {
-		// TODO Auto-generated method stub
 		return 0;
 	}
 
 	@Override
 	public double getCurrentRequestedUtilizationOfRam() {
-		// TODO Auto-generated method stub
 		return 0;
 	}
 

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/NetworkConstants.java

 package org.cloudbus.cloudsim.network.datacenter;
 
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
 public class NetworkConstants {
 
+	public static int maxhostVM = 2;
+	public static int HOST_PEs = 8;
 
-public static int maxhostVM=2;
-public static int HOST_PEs=8;
+	public static double maxMemperVM = 1024 * 1024;// kb
 
-public static double maxMemperVM=1024*1024;//kb
+	public static int currentCloudletId = 0;
+	public static int currentAppId = 0;
 
+	// stage type
+	public static final int EXECUTION = 0;
+	public static final int WAIT_SEND = 1;
+	public static final int WAIT_RECV = 2;
+	public static final int FINISH = -2;
 
+	// number of switches at each level
+	public static final int ROOT_LEVEL = 0;
+	public static final int Agg_LEVEL = 1;
+	public static final int EDGE_LEVEL = 2;
 
-public static int currentCloudletId=0;
-public static int currentAppId=0;
+	public static final int PES_NUMBER = 4;
+	public static final int FILE_SIZE = 300;
+	public static final int OUTPUT_SIZE = 300;
 
+	public static final int COMMUNICATION_LENGTH = 1;
 
-//stage type
-public static final int EXECUTION=0;
-public static final int WAIT_SEND=1;
-public static final int WAIT_RECV=2;
-public static final int FINISH=-2;
+	public static boolean BASE = true;
 
+	public static long BandWidthEdgeAgg = 100 * 1024 * 1024;// 100 Megabits
+	public static long BandWidthEdgeHost = 100 * 1024 * 1024;//
+	public static long BandWidthAggRoot = 20 * 1024 * 1024 * 2;// 40gb
 
+	public static double SwitchingDelayRoot = .00285;
+	public static double SwitchingDelayAgg = .00245;// .00245
+	public static double SwitchingDelayEdge = .00157;// ms
 
-//number of switches at each level
-public static final int ROOT_LEVEL=0;
-public static final int Agg_LEVEL=1;
-public static final int EDGE_LEVEL=2;
+	public static double EdgeSwitchPort = 4;// number of host
 
-public static final int PES_NUMBER=4;
-public static final int FILE_SIZE=300;
-public static final int OUTPUT_SIZE=300;
+	public static double AggSwitchPort = 1;// number of Edge
 
-public static final int COMMUNICATION_LENGTH=1;
+	public static double RootSwitchPort = 1;// number of Agg
 
-public static  boolean BASE = true;
+	public static double seed = 199;
 
+	public static boolean logflag = false;
 
-public static long BandWidthEdgeAgg=100*1024*1024;//100 Megabits
-public static long BandWidthEdgeHost=100*1024*1024;//
-public static long BandWidthAggRoot=20*1024*1024*2;//40gb
+	public static int iteration = 10;
+	public static int nexttime = 1000;
 
-public static double SwitchingDelayRoot=.00285;
-public static double SwitchingDelayAgg=.00245;//.00245
-public static double SwitchingDelayEdge=.00157;//ms
-
-public static double EdgeSwitchPort=4;//number of host
-
-public static double AggSwitchPort=1;//number of Edge
-
-public static double RootSwitchPort=1;//number of Agg
-
-public static double seed=199;
-
-public static boolean logflag=false;
-
-
-public static int iteration=10;
-public static int nexttime=1000;
-
-public static int totaldatatransfer=0;
+	public static int totaldatatransfer = 0;
 }

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/NetworkDatacenter.java

@@ -8,42 +8,33 @@ package org.cloudbus.cloudsim.network.datacenter;
  * Copyright (c) 2009-2010, The University of Melbourne, Australia
  */
 
-import java.text.DecimalFormat;
-import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Set;
 
 import org.cloudbus.cloudsim.Cloudlet;
 import org.cloudbus.cloudsim.CloudletScheduler;
-import org.cloudbus.cloudsim.DataCloudTags;
 import org.cloudbus.cloudsim.Datacenter;
 import org.cloudbus.cloudsim.DatacenterCharacteristics;
-import org.cloudbus.cloudsim.File;
 import org.cloudbus.cloudsim.Host;
-import org.cloudbus.cloudsim.InfoPacket;
 import org.cloudbus.cloudsim.Log;
 import org.cloudbus.cloudsim.Storage;
 import org.cloudbus.cloudsim.Vm;
 import org.cloudbus.cloudsim.VmAllocationPolicy;
 import org.cloudbus.cloudsim.core.CloudSim;
 import org.cloudbus.cloudsim.core.CloudSimTags;
-import org.cloudbus.cloudsim.core.SimEntity;
 import org.cloudbus.cloudsim.core.SimEvent;
 
 /**
  * NetworkDatacenter class is a Datacenter whose hostList are virtualized and
- * networked. It contains all the information about internal network. For example,
- * which VM is connected to Switch etc.  
- * It deals with processing of VM queries (i.e., handling of VMs)
- * instead of processing Cloudlet-related queries. So, even though an
- * AllocPolicy will be instantiated (in the init() method of the superclass, it
- * will not be used, as processing of cloudlets are handled by the
- * CloudletScheduler and processing of VirtualMachines are handled by the
- * VmAllocationPolicy.
+ * networked. It contains all the information about internal network. For
+ * example, which VM is connected to Switch etc. It deals with processing of VM
+ * queries (i.e., handling of VMs) instead of processing Cloudlet-related
+ * queries. So, even though an AllocPolicy will be instantiated (in the init()
+ * method of the superclass, it will not be used, as processing of cloudlets are
+ * handled by the CloudletScheduler and processing of VirtualMachines are
+ * handled by the VmAllocationPolicy.
  * 
  * Please refer to following publication for more details:
  * 
@@ -57,38 +48,42 @@ import org.cloudbus.cloudsim.core.SimEvent;
  */
 public class NetworkDatacenter extends Datacenter {
 
-	
 	/**
 	 * Allocates a new NetworkDatacenter object.
 	 * 
-	 * @param name       the name to be associated with this entity (as
-	 * required by Sim_entity class from simjava package)
-	 * @param characteristics   an object of DatacenterCharacteristics
-	 * @param storageList a LinkedList of storage elements, for data simulation
-	 * @param vmAllocationPolicy the vmAllocationPolicy
+	 * @param name
+	 *            the name to be associated with this entity (as required by
+	 *            Sim_entity class from simjava package)
+	 * @param characteristics
+	 *            an object of DatacenterCharacteristics
+	 * @param storageList
+	 *            a LinkedList of storage elements, for data simulation
+	 * @param vmAllocationPolicy
+	 *            the vmAllocationPolicy
 	 * 
-	 * @throws Exception This happens when one of the following scenarios occur:
+	 * @throws Exception
+	 *             This happens when one of the following scenarios occur:
 	 *             <ul>
-	 * <li> creating this entity before initializing CloudSim package
-	 * <li> this entity name is <tt>null</tt> or empty
-	 * <li> this entity has <tt>zero</tt> number of PEs (Processing
+	 *             <li>creating this entity before initializing CloudSim package
+	 *             <li>this entity name is <tt>null</tt> or empty
+	 *             <li>this entity has <tt>zero</tt> number of PEs (Processing
 	 *             Elements). <br>
-	 * No PEs mean the Cloudlets can't be processed.
-	 * A CloudResource must contain one or more Machines.
-	 * A Machine must contain one or more PEs.
+	 *             No PEs mean the Cloudlets can't be processed. A CloudResource
+	 *             must contain one or more Machines. A Machine must contain one
+	 *             or more PEs.
 	 *             </ul>
 	 * 
 	 * @pre name != null
 	 * @pre resource != null
 	 * @post $none
 	 */
-	public NetworkDatacenter(String name,
+	public NetworkDatacenter(
+			String name,
 			DatacenterCharacteristics characteristics,
-			VmAllocationPolicy vmAllocationPolicy, List<Storage> storageList,
+			VmAllocationPolicy vmAllocationPolicy,
+			List<Storage> storageList,
 			double schedulingInterval) throws Exception {
-		super(name, characteristics, vmAllocationPolicy, storageList,
-				schedulingInterval);
-		// TODO Auto-generated constructor stub
+		super(name, characteristics, vmAllocationPolicy, storageList, schedulingInterval);
 		VmToSwitchid = new HashMap<Integer, Integer>();
 		HostToSwitchid = new HashMap<Integer, Integer>();
 		VmtoHostlist = new HashMap<Integer, Integer>();
@@ -102,8 +97,8 @@ public class NetworkDatacenter extends Datacenter {
 	public Map<Integer, Integer> VmtoHostlist;
 
 	/**
-	 * Get list of all EdgeSwitches in the Datacenter network
-	 * One can design similar functions for other type of switches.
+	 * Get list of all EdgeSwitches in the Datacenter network One can design
+	 * similar functions for other type of switches.
 	 * 
 	 */
 	public Map<Integer, Switch> getEdgeSwitch() {
@@ -116,10 +111,10 @@ public class NetworkDatacenter extends Datacenter {
 		return edgeswitch;
 
 	}
+
 	/**
-     * Create the VM within the NetworkDatacenter. 
-     * It can be directly accessed by Datacenter Broker 
-     * which manage allocation of Cloudlets.
+	 * Create the VM within the NetworkDatacenter. It can be directly accessed
+	 * by Datacenter Broker which manage allocation of Cloudlets.
 	 * 
 	 * 
 	 */
@@ -128,11 +123,9 @@ public class NetworkDatacenter extends Datacenter {
 		boolean result = getVmAllocationPolicy().allocateHostForVm(vm);
 
 		if (result) {
-			this.VmToSwitchid.put(vm.getId(),
-					((NetworkHost) vm.getHost()).sw.getId());
+			this.VmToSwitchid.put(vm.getId(), ((NetworkHost) vm.getHost()).sw.getId());
 			this.VmtoHostlist.put(vm.getId(), vm.getHost().getId());
-			System.out.println(vm.getId() + " VM is created on "
-					+ vm.getHost().getId());
+			System.out.println(vm.getId() + " VM is created on " + vm.getHost().getId());
 			double amount = 0.0;
 			if (getDebts().containsKey(vm.getUserId())) {
 				amount = getDebts().get(vm.getUserId());
@@ -144,22 +137,24 @@ public class NetworkDatacenter extends Datacenter {
 
 			getVmList().add(vm);
 
-			vm.updateVmProcessing(CloudSim.clock(), getVmAllocationPolicy()
-					.getHost(vm).getVmScheduler().getAllocatedMipsForVm(vm));
+			vm.updateVmProcessing(CloudSim.clock(), getVmAllocationPolicy().getHost(vm).getVmScheduler()
+					.getAllocatedMipsForVm(vm));
 		}
 		return result;
 	}
 
-
 	/**
 	 * Processes a Cloudlet submission.
 	 * 
-     * @param ev  a SimEvent object
-     * @param ack  an acknowledgement
+	 * @param ev
+	 *            a SimEvent object
+	 * @param ack
+	 *            an acknowledgement
 	 * 
 	 * @pre ev != null
 	 * @post $none
 	 */
+	@Override
 	protected void processCloudletSubmit(SimEvent ev, boolean ack) {
 		updateCloudletProcessing();
 
@@ -170,8 +165,7 @@ public class NetworkDatacenter extends Datacenter {
 			// checks whether this Cloudlet has finished or not
 			if (cl.isFinished()) {
 				String name = CloudSim.getEntityName(cl.getUserId());
-				Log.printLine(getName() + ": Warning - Cloudlet #"
-						+ cl.getCloudletId() + " owned by " + name
+				Log.printLine(getName() + ": Warning - Cloudlet #" + cl.getCloudletId() + " owned by " + name
 						+ " is already completed/finished.");
 				Log.printLine("Therefore, it is not being executed again");
 				Log.printLine();
@@ -198,21 +192,23 @@ public class NetworkDatacenter extends Datacenter {
 			}
 
 			// process this Cloudlet to this CloudResource
-			cl.setResourceParameter(getId(), getCharacteristics()
-					.getCostPerSecond(), getCharacteristics().getCostPerBw());
+			cl.setResourceParameter(getId(), getCharacteristics().getCostPerSecond(), getCharacteristics()
+					.getCostPerBw());
 
 			int userId = cl.getUserId();
 			int vmId = cl.getVmId();
 
-			double fileTransferTime = predictFileTransferTime(cl
-					.getRequiredFiles()); // time to transfer the files
+			double fileTransferTime = predictFileTransferTime(cl.getRequiredFiles()); // time
+			// to
+			// transfer
+			// the
+			// files
 
 			Host host = getVmAllocationPolicy().getHost(vmId, userId);
 			Vm vm = host.getVm(vmId, userId);
 			CloudletScheduler scheduler = vm.getCloudletScheduler();
 			// System.out.println("cloudlet recieved by VM"+vmId);
-			double estimatedFinishTime = scheduler.cloudletSubmit(cl,
-					fileTransferTime);
+			double estimatedFinishTime = scheduler.cloudletSubmit(cl, fileTransferTime);
 
 			// if (estimatedFinishTime > 0.0 && estimatedFinishTime <
 			// getSchedulingInterval()) { //if this cloudlet is in the exec
@@ -226,8 +222,7 @@ public class NetworkDatacenter extends Datacenter {
 				estimatedFinishTime += fileTransferTime;
 				// estimatedFinishTime += CloudSim.clock();
 				// Log.printLine(CloudSim.clock()+": Next event scheduled to +"+estimatedFinishTime);
-				send(getId(), estimatedFinishTime,
-						CloudSimTags.VM_DATACENTER_EVENT);
+				send(getId(), estimatedFinishTime, CloudSimTags.VM_DATACENTER_EVENT);
 
 				// event to update the stages
 				send(getId(), 0.0001, CloudSimTags.VM_DATACENTER_EVENT);
@@ -244,12 +239,10 @@ public class NetworkDatacenter extends Datacenter {
 				sendNow(cl.getUserId(), tag, data);
 			}
 		} catch (ClassCastException c) {
-			Log.printLine(getName() + ".processCloudletSubmit(): "
-					+ "ClassCastException error.");
+			Log.printLine(getName() + ".processCloudletSubmit(): " + "ClassCastException error.");
 			c.printStackTrace();
 		} catch (Exception e) {
-			Log.printLine(getName() + ".processCloudletSubmit(): "
-					+ "Exception error.");
+			Log.printLine(getName() + ".processCloudletSubmit(): " + "Exception error.");
 			e.printStackTrace();
 		}
 

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/NetworkHost.java

@@ -9,13 +9,10 @@
 package org.cloudbus.cloudsim.network.datacenter;
 
 import java.util.ArrayList;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map.Entry;
 
-import org.cloudbus.cloudsim.Datacenter;
 import org.cloudbus.cloudsim.Host;
-import org.cloudbus.cloudsim.Log;
 import org.cloudbus.cloudsim.Pe;
 import org.cloudbus.cloudsim.Vm;
 import org.cloudbus.cloudsim.VmScheduler;
@@ -27,11 +24,11 @@ import org.cloudbus.cloudsim.provisioners.BwProvisioner;
 import org.cloudbus.cloudsim.provisioners.RamProvisioner;
 
 /**
- * NetworkHost class extends Host to support simulation of networked datacenters. 
- * It executes actions related to management of packets (send and receive)other than that of 
- * virtual machines (e.g., creation and destruction). A host has a defined
- * policy for provisioning memory and bw, as well as an allocation policy for
- * Pe's to virtual machines.
+ * NetworkHost class extends Host to support simulation of networked
+ * datacenters. It executes actions related to management of packets (send and
+ * receive)other than that of virtual machines (e.g., creation and destruction).
+ * A host has a defined policy for provisioning memory and bw, as well as an
+ * allocation policy for Pe's to virtual machines.
  * 
  * Please refer to following publication for more details:
  * 
@@ -42,7 +39,7 @@ import org.cloudbus.cloudsim.provisioners.RamProvisioner;
  * 
  * 
  * @author Saurabh Kumar Garg
- * @since CloudSim Toolkit 1.0
+ * @since CloudSim Toolkit 3.0
  */
 public class NetworkHost extends Host {
 
@@ -50,7 +47,7 @@ public class NetworkHost extends Host {
 	public List<NetworkPacket> packetTosendGlobal;
 	public List<NetworkPacket> packetrecieved;
 	public double memory;
-	public Switch sw; //Edge switch in general
+	public Switch sw; // Edge switch in general
 	public double bandwidth;// latency
 	public List<Double> CPUfinTimeCPU = new ArrayList<Double>();// time when
 	// last job will
@@ -59,9 +56,13 @@ public class NetworkHost extends Host {
 
 	public double fintime = 0;
 
-	public NetworkHost(int id, RamProvisioner ramProvisioner,
-			BwProvisioner bwProvisioner, long storage,
-			List<? extends Pe> peList, VmScheduler vmScheduler) {
+	public NetworkHost(
+			int id,
+			RamProvisioner ramProvisioner,
+			BwProvisioner bwProvisioner,
+			long storage,
+			List<? extends Pe> peList,
+			VmScheduler vmScheduler) {
 		super(id, ramProvisioner, bwProvisioner, storage, peList, vmScheduler);
 
 		this.packetrecieved = new ArrayList<NetworkPacket>();
@@ -84,6 +85,7 @@ public class NetworkHost extends Host {
 	 * @pre currentTime >= 0.0
 	 * @post $none
 	 */
+	@Override
 	public double updateVmsProcessing(double currentTime) {
 		double smallerTime = Double.MAX_VALUE;
 		// insert in each vm packet recieved
@@ -93,18 +95,19 @@ public class NetworkHost extends Host {
 			// continue;
 			// }
 
-			double time = ((NetworkVm) vm).updateVmProcessing(currentTime,
-					getVmScheduler().getAllocatedMipsForVm(vm));
+			double time = ((NetworkVm) vm).updateVmProcessing(currentTime, getVmScheduler()
+					.getAllocatedMipsForVm(vm));
 			if (time > 0.0 && time < smallerTime) {
 				smallerTime = time;
 			}
 		}
-		//send the packets to other hosts/VMs
+		// send the packets to other hosts/VMs
 		sendpackets();
 
 		return smallerTime;
 
 	}
+
 	/**
 	 * Receives packet and forward it to the corresponding VM for processing
 	 * host.
@@ -119,13 +122,14 @@ public class NetworkHost extends Host {
 
 			// insertthe packet in recievedlist of VM
 			Vm vm = VmList.getById(getVmList(), hs.pkt.reciever);
-			List<HostPacket> pktlist = ((NetworkCloudletSpaceSharedScheduler) vm
-					.getCloudletScheduler()).pktrecv.get(hs.pkt.sender);
+			List<HostPacket> pktlist = ((NetworkCloudletSpaceSharedScheduler) vm.getCloudletScheduler()).pktrecv
+					.get(hs.pkt.sender);
 
 			if (pktlist == null) {
 				pktlist = new ArrayList<HostPacket>();
-				((NetworkCloudletSpaceSharedScheduler) vm.getCloudletScheduler()).pktrecv
-						.put(hs.pkt.sender, pktlist);
+				((NetworkCloudletSpaceSharedScheduler) vm.getCloudletScheduler()).pktrecv.put(
+						hs.pkt.sender,
+						pktlist);
 
 			}
 			pktlist.add(hs.pkt);
@@ -133,29 +137,28 @@ public class NetworkHost extends Host {
 		}
 		packetrecieved.clear();
 	}
+
 	/**
-	 * Send packet check whether a packet belongs to a local VM or to a VM hosted on other machine.
+	 * Send packet check whether a packet belongs to a local VM or to a VM
+	 * hosted on other machine.
 	 * 
 	 * 
 	 */
 	private void sendpackets() {
 
-
 		for (Vm vm : super.getVmList()) {
 			for (Entry<Integer, List<HostPacket>> es : ((NetworkCloudletSpaceSharedScheduler) vm
-					.getCloudletScheduler()).pkttosend.entrySet())
-			{
+					.getCloudletScheduler()).pkttosend.entrySet()) {
 				List<HostPacket> pktlist = es.getValue();
 				for (HostPacket pkt : pktlist) {
-					NetworkPacket hpkt = new NetworkPacket(this.getId(), pkt,
-							vm.getId(), pkt.sender);
-					Vm vm2 = VmList
-							.getById(this.getVmList(), hpkt.recievervmid);
-					if (vm2 != null)
+					NetworkPacket hpkt = new NetworkPacket(this.getId(), pkt, vm.getId(), pkt.sender);
+					Vm vm2 = VmList.getById(this.getVmList(), hpkt.recievervmid);
+					if (vm2 != null) {
 						this.packetTosendLocal.add(hpkt);
-					else
+					} else {
 						this.packetTosendGlobal.add(hpkt);
 					}
+				}
 				pktlist.clear();
 
 			}
@@ -172,12 +175,13 @@ public class NetworkHost extends Host {
 			Vm vm = VmList.getById(getVmList(), hs.pkt.reciever);
 			// Vm vm=getVmList().get(hs.pkt.reciever);
 
-			List<HostPacket> pktlist = ((NetworkCloudletSpaceSharedScheduler) vm
-					.getCloudletScheduler()).pktrecv.get(hs.pkt.sender);
+			List<HostPacket> pktlist = ((NetworkCloudletSpaceSharedScheduler) vm.getCloudletScheduler()).pktrecv
+					.get(hs.pkt.sender);
 			if (pktlist == null) {
 				pktlist = new ArrayList<HostPacket>();
-				((NetworkCloudletSpaceSharedScheduler) vm.getCloudletScheduler()).pktrecv
-						.put(hs.pkt.sender, pktlist);
+				((NetworkCloudletSpaceSharedScheduler) vm.getCloudletScheduler()).pktrecv.put(
+						hs.pkt.sender,
+						pktlist);
 			}
 			pktlist.add(hs.pkt);
 
@@ -188,13 +192,13 @@ public class NetworkHost extends Host {
 				// continue;
 				// }
 
-				double time = ((NetworkVm) vm).updateVmProcessing(CloudSim
-						.clock(), getVmScheduler().getAllocatedMipsForVm(vm));
+				vm.updateVmProcessing(CloudSim.clock(), getVmScheduler().getAllocatedMipsForVm(vm));
 
 			}
 		}
 
-		//Sending packet to other VMs therefore packet is forwarded to a Edge switch
+		// Sending packet to other VMs therefore packet is forwarded to a Edge
+		// switch
 
 		this.packetTosendLocal.clear();
 		double avband = this.bandwidth / packetTosendGlobal.size();
@@ -203,16 +207,19 @@ public class NetworkHost extends Host {
 			NetworkConstants.totaldatatransfer += hs.pkt.data;
 			// System.out.println(hs.pkt.virtualsendid+"  "+hs.pkt.virtualrecvid+" "+hs.pkt.data);
 
-			CloudSim.send(this.getDatacenter().getId(), this.sw.getId(), delay,
-					CloudSimTags.Network_Event_UP, hs);
+			CloudSim.send(
+					this.getDatacenter().getId(),
+					this.sw.getId(),
+					delay,
+					CloudSimTags.Network_Event_UP,
+					hs);
 			// send to switch with delay
 		}
 		this.packetTosendGlobal.clear();
 	}
 
-	@SuppressWarnings("unchecked")
 	public double getMaxUtilizationAmongVmsPes(Vm vm) {
-		return PeList.getMaxUtilizationAmongVmsPes((List<Pe>) getPeList(), vm);
+		return PeList.getMaxUtilizationAmongVmsPes(getPeList(), vm);
 	}
 
 }

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/NetworkVm.java

 package org.cloudbus.cloudsim.network.datacenter;
 
 import java.util.ArrayList;
-import java.util.List;
 
 import org.cloudbus.cloudsim.CloudletScheduler;
 import org.cloudbus.cloudsim.Vm;
 
 /**
- * NetworkVm class extends Vm to support simulation of networked datacenters. 
- * It executes actions related to management of packets (send and receive).
+ * NetworkVm class extends Vm to support simulation of networked datacenters. It
+ * executes actions related to management of packets (send and receive).
  * 
  * Please refer to following publication for more details:
  * 
@@ -19,16 +18,23 @@ import org.cloudbus.cloudsim.Vm;
  * 
  * 
  * @author Saurabh Kumar Garg
- * @since CloudSim Toolkit 1.0
+ * @since CloudSim Toolkit 3.0
  */
 
-public class NetworkVm extends Vm implements Comparable {
+public class NetworkVm extends Vm implements Comparable<Object> {
+
+	public NetworkVm(
+			int id,
+			int userId,
+			double mips,
+			int pesNumber,
+			int ram,
+			long bw,
+			long size,
+			String vmm,
+			CloudletScheduler cloudletScheduler) {
+		super(id, userId, mips, pesNumber, ram, bw, size, vmm, cloudletScheduler);
 
-	public NetworkVm(int id, int userId, double mips, int pesNumber, int ram,
-			long bw, long size, String vmm, CloudletScheduler cloudletScheduler) {
-		super(id, userId, mips, pesNumber, ram, bw, size, vmm,
-				cloudletScheduler);
-		// TODO Auto-generated constructor stub
 		cloudletlist = new ArrayList<NetworkCloudlet>();
 	}
 
@@ -45,10 +51,12 @@ public class NetworkVm extends Vm implements Comparable {
 
 	public int compareTo(Object arg0) {
 		NetworkVm hs = (NetworkVm) arg0;
-		if (hs.finishtime > this.finishtime)
+		if (hs.finishtime > this.finishtime) {
 			return -1;
-		if (hs.finishtime < this.finishtime)
+		}
+		if (hs.finishtime < this.finishtime) {
 			return 1;
+		}
 		return 0;
 	}
 }

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/Switch.java

@@ -4,9 +4,9 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
 import java.util.SortedMap;
 import java.util.TreeMap;
+import java.util.Map.Entry;
 
 import org.cloudbus.cloudsim.Log;
 import org.cloudbus.cloudsim.Vm;
@@ -67,30 +67,7 @@ public class Switch extends SimEntity {
 	public Switch(String name, int level, NetworkDatacenter dc) {
 		super(name);
 		this.level = level;
-
-		/*
-		 * if(level==Constants.EDGE_LEVEL) { hostlist=new HashMap<Integer,HPCHost>();
-		 * uplinkswitchpktlist=new HashMap<Integer,List<HostPacket>>(); packetTohost=new
-		 * HashMap<Integer,List<HostPacket>>(); uplinkbandwidth=Constants.BandWidthEdgeAgg;
-		 * downlinkbandwidth=Constants.BandWidthEdgeHost; latency=Constants.SwitchingDelayEdge;
-		 * numport=Constants.EdgeSwitchPort; uplinkswitches=new ArrayList<Switch>();
-		 * 
-		 * } if(level==Constants.Agg_LEVEL) { downlinkswitchpktlist=new
-		 * HashMap<Integer,List<HostPacket>>(); uplinkswitchpktlist=new
-		 * HashMap<Integer,List<HostPacket>>(); uplinkbandwidth=Constants.BandWidthAggRoot;
-		 * downlinkbandwidth=Constants.BandWidthEdgeAgg; latency=Constants.SwitchingDelayAgg;
-		 * numport=Constants.AggSwitchPort; uplinkswitches=new ArrayList<Switch>();
-		 * downlinkswitches=new ArrayList<Switch>(); } if(level==Constants.ROOT_LEVEL) {
-		 * downlinkswitchpktlist=new HashMap<Integer,List<HostPacket>>(); downlinkswitches=new
-		 * ArrayList<Switch>();
-		 * 
-		 * downlinkbandwidth=Constants.BandWidthAggRoot; latency=Constants.SwitchingDelayRoot;
-		 * numport=Constants.RootSwitchPort;
-		 * 
-		 * }
-		 */
 		this.dc = dc;
-		// TODO Auto-generated constructor stub
 	}
 
 	@Override
@@ -131,7 +108,6 @@ public class Switch extends SimEntity {
 	}
 
 	protected void processhostpacket(SimEvent ev) {
-		// TODO Auto-generated method stub
 		// Send packet to host
 		NetworkPacket hspkt = (NetworkPacket) ev.getData();
 		NetworkHost hs = hostlist.get(hspkt.recieverhostid);
@@ -139,7 +115,6 @@ public class Switch extends SimEntity {
 	}
 
 	protected void processpacket_down(SimEvent ev) {
-		// TODO Auto-generated method stub
 		// packet coming from up level router.
 		// has to send downward
 		// check which switch to forward to
@@ -178,7 +153,6 @@ public class Switch extends SimEntity {
 	}
 
 	protected void processpacket_up(SimEvent ev) {
-		// TODO Auto-generated method stub
 		// packet coming from down level router.
 		// has to send up
 		// check which switch to forward to
@@ -277,13 +251,11 @@ public class Switch extends SimEntity {
 	}
 
 	private void registerHost(SimEvent ev) {
-		// TODO Auto-generated method stub
 		NetworkHost hs = (NetworkHost) ev.getData();
 		hostlist.put(hs.getId(), (NetworkHost) ev.getData());
 	}
 
 	protected void processpacket(SimEvent ev) {
-		// TODO Auto-generated method stub
 		// send packet to itself with switching delay (discarding other)
 		CloudSim.cancelAll(getId(), new PredicateType(CloudSimTags.Network_Event_UP));
 		schedule(getId(), switching_delay, CloudSimTags.Network_Event_UP);
@@ -294,12 +266,10 @@ public class Switch extends SimEntity {
 	}
 
 	private void processOtherEvent(SimEvent ev) {
-		// TODO Auto-generated method stub
 
 	}
 
 	protected void processpacketforward(SimEvent ev) {
-		// TODO Auto-generated method stub
 		// search for the host and packets..send to them
 
 		if (downlinkswitchpktlist != null) {
@@ -338,8 +308,6 @@ public class Switch extends SimEntity {
 		}
 		if (packetTohost != null) {
 			for (Entry<Integer, List<NetworkPacket>> es : packetTohost.entrySet()) {
-				int tosend = es.getKey();
-				NetworkHost hs = hostlist.get(tosend);
 				List<NetworkPacket> hspktlist = es.getValue();
 				if (!hspktlist.isEmpty()) {
 					double avband = downlinkbandwidth / hspktlist.size();
@@ -360,8 +328,11 @@ public class Switch extends SimEntity {
 
 	}
 
-	private NetworkHost getHostwithVM(int vmid) {
-		// TODO Auto-generated method stub
+	//
+	// R: We changed visibility of the below methods from private to protected.
+	//
+
+	protected NetworkHost getHostwithVM(int vmid) {
 		for (Entry<Integer, NetworkHost> es : hostlist.entrySet()) {
 			Vm vm = VmList.getById(es.getValue().getVmList(), vmid);
 			if (vm != null) {
@@ -371,8 +342,7 @@ public class Switch extends SimEntity {
 		return null;
 	}
 
-	private List<NetworkVm> getfreeVmlist(int numVMReq) {
-		// TODO Auto-generated method stub
+	protected List<NetworkVm> getfreeVmlist(int numVMReq) {
 		List<NetworkVm> freehostls = new ArrayList<NetworkVm>();
 		for (Entry<Integer, NetworkVm> et : Vmlist.entrySet()) {
 			if (et.getValue().isFree()) {
@@ -386,8 +356,7 @@ public class Switch extends SimEntity {
 		return freehostls;
 	}
 
-	private List<NetworkHost> getfreehostlist(int numhost) {
-		// TODO Auto-generated method stub
+	protected List<NetworkHost> getfreehostlist(int numhost) {
 		List<NetworkHost> freehostls = new ArrayList<NetworkHost>();
 		for (Entry<Integer, NetworkHost> et : hostlist.entrySet()) {
 			if (et.getValue().getNumberOfFreePes() == et.getValue().getNumberOfPes()) {

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/WorkflowApp.java

@@ -22,65 +22,110 @@ import org.cloudbus.cloudsim.UtilizationModel;
 import org.cloudbus.cloudsim.UtilizationModelFull;
 import org.cloudbus.cloudsim.core.CloudSim;
 
-public class WorkflowApp extends AppCloudlet{
+public class WorkflowApp extends AppCloudlet {
 
-	public WorkflowApp(int type, int appID, double deadline, 
-			int numbervm,  int userId) {
+	public WorkflowApp(int type, int appID, double deadline, int numbervm, int userId) {
 		super(type, appID, deadline, numbervm, userId);
-		// TODO Auto-generated constructor stub
-		this.exeTime=100;
-		this.numbervm=3;
+		this.exeTime = 100;
+		this.numbervm = 3;
 	}
-	public void createCloudletList(List<Integer> vmIdList){
+
+	@Override
+	public void createCloudletList(List<Integer> vmIdList) {
 		long fileSize = NetworkConstants.FILE_SIZE;
 		long outputSize = NetworkConstants.OUTPUT_SIZE;
-		int pesNumber = NetworkConstants.PES_NUMBER;
-		int memory=100;
+		int memory = 100;
 		UtilizationModel utilizationModel = new UtilizationModelFull();
-		int i=0;
-		//Task A
-		NetworkCloudlet cl = new NetworkCloudlet(NetworkConstants.currentCloudletId, 0, 1, fileSize, outputSize, memory, utilizationModel, utilizationModel, utilizationModel);
-	    cl.numStage=2;
+		int i = 0;
+		// Task A
+		NetworkCloudlet cl = new NetworkCloudlet(
+				NetworkConstants.currentCloudletId,
+				0,
+				1,
+				fileSize,
+				outputSize,
+				memory,
+				utilizationModel,
+				utilizationModel,
+				utilizationModel);
+		cl.numStage = 2;
 		NetworkConstants.currentCloudletId++;
 		cl.setUserId(userId);
-  		cl.submittime=CloudSim.clock();
-  		cl.currStagenum=-1;
+		cl.submittime = CloudSim.clock();
+		cl.currStagenum = -1;
 		cl.setVmId(vmIdList.get(i));
 
-  		//first stage: big computation
-  		cl.stages.add(new TaskStage(NetworkConstants.EXECUTION, 0, 1000*0.8, 0, memory, vmIdList.get(0),cl.getCloudletId()));
-  		cl.stages.add(new TaskStage(NetworkConstants.WAIT_SEND, 1000, 0, 1, memory, vmIdList.get(2),cl.getCloudletId()+2));
+		// first stage: big computation
+		cl.stages.add(new TaskStage(NetworkConstants.EXECUTION, 0, 1000 * 0.8, 0, memory, vmIdList.get(0), cl
+				.getCloudletId()));
+		cl.stages.add(new TaskStage(NetworkConstants.WAIT_SEND, 1000, 0, 1, memory, vmIdList.get(2), cl
+				.getCloudletId() + 2));
 		clist.add(cl);
 		i++;
-  		//Task B
-  		NetworkCloudlet clb = new NetworkCloudlet(NetworkConstants.currentCloudletId, 0, 1, fileSize, outputSize, memory, utilizationModel, utilizationModel, utilizationModel);
-	    clb.numStage=2;
+		// Task B
+		NetworkCloudlet clb = new NetworkCloudlet(
+				NetworkConstants.currentCloudletId,
+				0,
+				1,
+				fileSize,
+				outputSize,
+				memory,
+				utilizationModel,
+				utilizationModel,
+				utilizationModel);
+		clb.numStage = 2;
 		NetworkConstants.currentCloudletId++;
 		clb.setUserId(userId);
-  		clb.submittime=CloudSim.clock();
-  		clb.currStagenum=-1;
+		clb.submittime = CloudSim.clock();
+		clb.currStagenum = -1;
 		clb.setVmId(vmIdList.get(i));
 
-  		//first stage: big computation
+		// first stage: big computation
 
-  		clb.stages.add(new TaskStage(NetworkConstants.EXECUTION, 0, 1000*0.8, 0, memory, vmIdList.get(1),clb.getCloudletId()));
-  		clb.stages.add(new TaskStage(NetworkConstants.WAIT_SEND, 1000, 0, 1, memory, vmIdList.get(2),clb.getCloudletId()+1));
+		clb.stages.add(new TaskStage(
+				NetworkConstants.EXECUTION,
+				0,
+				1000 * 0.8,
+				0,
+				memory,
+				vmIdList.get(1),
+				clb.getCloudletId()));
+		clb.stages.add(new TaskStage(NetworkConstants.WAIT_SEND, 1000, 0, 1, memory, vmIdList.get(2), clb
+				.getCloudletId() + 1));
 		clist.add(clb);
 		i++;
 
-  		//Task C
-  		NetworkCloudlet clc = new NetworkCloudlet(NetworkConstants.currentCloudletId, 0, 1, fileSize, outputSize, memory, utilizationModel, utilizationModel, utilizationModel);
-	    clc.numStage=2;
+		// Task C
+		NetworkCloudlet clc = new NetworkCloudlet(
+				NetworkConstants.currentCloudletId,
+				0,
+				1,
+				fileSize,
+				outputSize,
+				memory,
+				utilizationModel,
+				utilizationModel,
+				utilizationModel);
+		clc.numStage = 2;
 		NetworkConstants.currentCloudletId++;
 		clc.setUserId(userId);
-  		clc.submittime=CloudSim.clock();
-  		clc.currStagenum=-1;
+		clc.submittime = CloudSim.clock();
+		clc.currStagenum = -1;
 		clc.setVmId(vmIdList.get(i));
 
-  		//first stage: big computation
-  		clc.stages.add(new TaskStage(NetworkConstants.WAIT_RECV, 1000, 0, 0, memory, vmIdList.get(0),cl.getCloudletId()));
-  		clc.stages.add(new TaskStage(NetworkConstants.WAIT_RECV, 1000, 0, 1, memory, vmIdList.get(1),cl.getCloudletId()+1));
-  		clc.stages.add(new TaskStage(NetworkConstants.EXECUTION, 0, 1000*0.8, 1, memory, vmIdList.get(0),clc.getCloudletId()));
+		// first stage: big computation
+		clc.stages.add(new TaskStage(NetworkConstants.WAIT_RECV, 1000, 0, 0, memory, vmIdList.get(0), cl
+				.getCloudletId()));
+		clc.stages.add(new TaskStage(NetworkConstants.WAIT_RECV, 1000, 0, 1, memory, vmIdList.get(1), cl
+				.getCloudletId() + 1));
+		clc.stages.add(new TaskStage(
+				NetworkConstants.EXECUTION,
+				0,
+				1000 * 0.8,
+				1,
+				memory,
+				vmIdList.get(0),
+				clc.getCloudletId()));
 
 		clist.add(clc);