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import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
 
import org.cloudbus.cloudsim.Cloudlet;
import org.cloudbus.cloudsim.CloudletSchedulerTimeShared;
import org.cloudbus.cloudsim.Datacenter;
import org.cloudbus.cloudsim.DatacenterBroker;
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.provisioners.BwProvisionerSimple;
import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
 
/**
 * A simple example showing how to create a data center with one host and run one cloudlet on it.
 */
public class CloudSimExample1 {
	/** The cloudlet list. */
	private static List<Cloudlet> cloudletList;
	/** The vmlist. */
	private static List<Vm> vmlist;
 
	/**
	 * Creates main() to run this example.
	 *
	 * @param args the args
	 */
	@SuppressWarnings("unused")
	public static void main(String[] args) {
		Log.printLine("Starting CloudSimExample1...");
 
		try {
			// First step: Initialize the CloudSim package. It should be called before creating any entities.
			int num_user = 1; // number of cloud users
			Calendar calendar = Calendar.getInstance(); // Calendar whose fields have been initialized with the current date and time.
 			boolean trace_flag = false; // trace events
 
			/* Comment Start - Dinesh Bhagwat 
			 * Initialize the CloudSim library. 
			 * init() invokes initCommonVariable() which in turn calls initialize() (all these 3 methods are defined in CloudSim.java).
			 * initialize() creates two collections - an ArrayList of SimEntity Objects (named entities which denote the simulation entities) and 
			 * a LinkedHashMap (named entitiesByName which denote the LinkedHashMap of the same simulation entities), with name of every SimEntity as the key.
			 * initialize() creates two queues - a Queue of SimEvents (future) and another Queue of SimEvents (deferred). 
			 * initialize() creates a HashMap of of Predicates (with integers as keys) - these predicates are used to select a particular event from the deferred queue. 
			 * initialize() sets the simulation clock to 0 and running (a boolean flag) to false.
			 * Once initialize() returns (note that we are in method initCommonVariable() now), a CloudSimShutDown (which is derived from SimEntity) instance is created 
			 * (with numuser as 1, its name as CloudSimShutDown, id as -1, and state as RUNNABLE). Then this new entity is added to the simulation 
			 * While being added to the simulation, its id changes to 0 (from the earlier -1). The two collections - entities and entitiesByName are updated with this SimEntity.
			 * the shutdownId (whose default value was -1) is 0    
			 * Once initCommonVariable() returns (note that we are in method init() now), a CloudInformationService (which is also derived from SimEntity) instance is created 
			 * (with its name as CloudInformatinService, id as -1, and state as RUNNABLE). Then this new entity is also added to the simulation. 
			 * While being added to the simulation, the id of the SimEntitiy is changed to 1 (which is the next id) from its earlier value of -1. 
			 * The two collections - entities and entitiesByName are updated with this SimEntity.
			 * the cisId(whose default value is -1) is 1
			 * Comment End - Dinesh Bhagwat 
			 */
			CloudSim.init(num_user, calendar, trace_flag);
 
			// Second step: Create Datacenters
			// Datacenters are the resource providers in CloudSim. We need at
			// list one of them to run a CloudSim simulation
			Datacenter datacenter0 = createDatacenter("Datacenter_0");
 
			// Third step: Create Broker
			DatacenterBroker broker = createBroker();
			int brokerId = broker.getId();
 
			// Fourth step: Create one virtual machine
			vmlist = new ArrayList<Vm>();
 
			// VM description
			int vmid = 0;
			int mips = 1000;
			long size = 10000; // image size (MB)
			int ram = 512; // vm memory (MB)
			long bw = 1000;
			int pesNumber = 1; // number of cpus
			String vmm = "Xen"; // VMM name
 
			// create VM
			Vm vm = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
 
			// add the VM to the vmList
			vmlist.add(vm);
 
			// submit vm list to the broker
			broker.submitVmList(vmlist);
 
			// Fifth step: Create one Cloudlet
			cloudletList = new ArrayList<Cloudlet>();
 
			// Cloudlet properties
			int id = 0;
			long length = 400000;
			long fileSize = 300;
			long outputSize = 300;
			UtilizationModel utilizationModel = new UtilizationModelFull();
 
			Cloudlet cloudlet = 
                                new Cloudlet(id, length, pesNumber, fileSize, 
                                        outputSize, utilizationModel, utilizationModel, 
                                        utilizationModel);
			cloudlet.setUserId(brokerId);
			cloudlet.setVmId(vmid);
 
			// add the cloudlet to the list
			cloudletList.add(cloudlet);
 
			// submit cloudlet list to the broker
			broker.submitCloudletList(cloudletList);
 
			// Sixth step: Starts the simulation
			CloudSim.startSimulation();
 
			CloudSim.stopSimulation();
 
			//Final step: Print results when simulation is over
			List<Cloudlet> newList = broker.getCloudletReceivedList();
			printCloudletList(newList);
 
			Log.printLine("CloudSimExample1 finished!");
		} catch (Exception e) {
			e.printStackTrace();
			Log.printLine("Unwanted errors happen");
		}
	}
 
	/**
	 * Creates the datacenter.
	 *
	 * @param name the name
	 *
	 * @return the datacenter
	 */
	private static Datacenter createDatacenter(String name) {
 
		// Here are the steps needed to create a PowerDatacenter:
		// 1. We need to create a list to store
		// our machine
		List<Host> hostList = new ArrayList<Host>();
 
		// 2. A Machine contains one or more PEs or CPUs/Cores.
		// In this example, it will have only one core.
		List<Pe> peList = new ArrayList<Pe>();
 
		int mips = 1000;
 
		// 3. Create PEs and add these into a list.
		peList.add(new Pe(0, new PeProvisionerSimple(mips))); // need to store Pe id and MIPS Rating
 
		// 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;
 
		hostList.add(
			new Host(
				hostId,
				new RamProvisionerSimple(ram),
				new BwProvisionerSimple(bw),
				storage,
				peList,
				new VmSchedulerTimeShared(peList)
			)
		); // This is our machine
 
		// 5. Create a DatacenterCharacteristics object that stores the
		// properties of a data center: architecture, OS, list of
		// Machines, allocation policy: time- or space-shared, time zone
		// and its price (G$/Pe time unit).
		String arch = "x86"; // system architecture
		String os = "Linux"; // operating system
		String vmm = "Xen";
		double time_zone = 10.0; // time zone this resource located
		double cost = 3.0; // the cost of using processing in this resource
		double costPerMem = 0.05; // the cost of using memory in this resource
		double costPerStorage = 0.001; // the cost of using storage in this
										// resource
		double costPerBw = 0.0; // the cost of using bw in this resource
		LinkedList<Storage> storageList = new LinkedList<Storage>(); // we are not adding SAN
													// devices by now
 
		DatacenterCharacteristics characteristics = new DatacenterCharacteristics(
				arch, os, vmm, hostList, time_zone, cost, costPerMem,
				costPerStorage, costPerBw);
 
		// 6. Finally, we need to create a PowerDatacenter object.
		Datacenter datacenter = null;
		try {
			datacenter = new Datacenter(name, characteristics, new VmAllocationPolicySimple(hostList), storageList, 0);
		} catch (Exception e) {
			e.printStackTrace();
		}
 
		return datacenter;
	}
 
	// We strongly encourage users to develop their own broker policies, to
	// submit vms and cloudlets according
	// to the specific rules of the simulated scenario
	/**
	 * Creates the broker.
	 *
	 * @return the datacenter broker
	 */
	private static DatacenterBroker createBroker() {
		DatacenterBroker broker = null;
		try {
			broker = new DatacenterBroker("Broker");
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
		return broker;
	}
 
	/**
	 * Prints the Cloudlet objects.
	 *
	 * @param list list of Cloudlets
	 */
	private static void printCloudletList(List<Cloudlet> list) {
		int size = list.size();
		Cloudlet cloudlet;
 
		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");
 
		DecimalFormat dft = new DecimalFormat("###.##");
		for (int i = 0; i < size; i++) {
			cloudlet = list.get(i);
			Log.print(indent + cloudlet.getCloudletId() + indent + indent);
 
			if (cloudlet.getCloudletStatus() == Cloudlet.SUCCESS) {
				Log.print("SUCCESS");
 
				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()));
			}
		}
	}
}

Main.java:29: error: class CloudSimExample1 is public, should be declared in a file named CloudSimExample1.java
public class CloudSimExample1 {
       ^
Main.java:7: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.Cloudlet;
                            ^
Main.java:8: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.CloudletSchedulerTimeShared;
                            ^
Main.java:9: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.Datacenter;
                            ^
Main.java:10: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.DatacenterBroker;
                            ^
Main.java:11: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.DatacenterCharacteristics;
                            ^
Main.java:12: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.Host;
                            ^
Main.java:13: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.Log;
                            ^
Main.java:14: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.Pe;
                            ^
Main.java:15: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.Storage;
                            ^
Main.java:16: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.UtilizationModel;
                            ^
Main.java:17: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.UtilizationModelFull;
                            ^
Main.java:18: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.Vm;
                            ^
Main.java:19: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.VmAllocationPolicySimple;
                            ^
Main.java:20: error: package org.cloudbus.cloudsim does not exist
import org.cloudbus.cloudsim.VmSchedulerTimeShared;
                            ^
Main.java:21: error: package org.cloudbus.cloudsim.core does not exist
import org.cloudbus.cloudsim.core.CloudSim;
                                 ^
Main.java:22: error: package org.cloudbus.cloudsim.provisioners does not exist
import org.cloudbus.cloudsim.provisioners.BwProvisionerSimple;
                                         ^
Main.java:23: error: package org.cloudbus.cloudsim.provisioners does not exist
import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
                                         ^
Main.java:24: error: package org.cloudbus.cloudsim.provisioners does not exist
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
                                         ^
Main.java:31: error: cannot find symbol
	private static List<Cloudlet> cloudletList;
	                    ^
  symbol:   class Cloudlet
  location: class CloudSimExample1
Main.java:33: error: cannot find symbol
	private static List<Vm> vmlist;
	                    ^
  symbol:   class Vm
  location: class CloudSimExample1
Main.java:147: error: cannot find symbol
	private static Datacenter createDatacenter(String name) {
	               ^
  symbol:   class Datacenter
  location: class CloudSimExample1
Main.java:220: error: cannot find symbol
	private static DatacenterBroker createBroker() {
	               ^
  symbol:   class DatacenterBroker
  location: class CloudSimExample1
Main.java:236: error: cannot find symbol
	private static void printCloudletList(List<Cloudlet> list) {
	                                           ^
  symbol:   class Cloudlet
  location: class CloudSimExample1
Main.java:42: error: cannot find symbol
		Log.printLine("Starting CloudSimExample1...");
		^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:69: error: cannot find symbol
			CloudSim.init(num_user, calendar, trace_flag);
			^
  symbol:   variable CloudSim
  location: class CloudSimExample1
Main.java:74: error: cannot find symbol
			Datacenter datacenter0 = createDatacenter("Datacenter_0");
			^
  symbol:   class Datacenter
  location: class CloudSimExample1
Main.java:77: error: cannot find symbol
			DatacenterBroker broker = createBroker();
			^
  symbol:   class DatacenterBroker
  location: class CloudSimExample1
Main.java:81: error: cannot find symbol
			vmlist = new ArrayList<Vm>();
			                       ^
  symbol:   class Vm
  location: class CloudSimExample1
Main.java:93: error: cannot find symbol
			Vm vm = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
			^
  symbol:   class Vm
  location: class CloudSimExample1
Main.java:93: error: cannot find symbol
			Vm vm = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
			            ^
  symbol:   class Vm
  location: class CloudSimExample1
Main.java:93: error: cannot find symbol
			Vm vm = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
			                                                                        ^
  symbol:   class CloudletSchedulerTimeShared
  location: class CloudSimExample1
Main.java:102: error: cannot find symbol
			cloudletList = new ArrayList<Cloudlet>();
			                             ^
  symbol:   class Cloudlet
  location: class CloudSimExample1
Main.java:109: error: cannot find symbol
			UtilizationModel utilizationModel = new UtilizationModelFull();
			^
  symbol:   class UtilizationModel
  location: class CloudSimExample1
Main.java:109: error: cannot find symbol
			UtilizationModel utilizationModel = new UtilizationModelFull();
			                                        ^
  symbol:   class UtilizationModelFull
  location: class CloudSimExample1
Main.java:111: error: cannot find symbol
			Cloudlet cloudlet = 
			^
  symbol:   class Cloudlet
  location: class CloudSimExample1
Main.java:112: error: cannot find symbol
                                new Cloudlet(id, length, pesNumber, fileSize, 
                                    ^
  symbol:   class Cloudlet
  location: class CloudSimExample1
Main.java:125: error: cannot find symbol
			CloudSim.startSimulation();
			^
  symbol:   variable CloudSim
  location: class CloudSimExample1
Main.java:127: error: cannot find symbol
			CloudSim.stopSimulation();
			^
  symbol:   variable CloudSim
  location: class CloudSimExample1
Main.java:130: error: cannot find symbol
			List<Cloudlet> newList = broker.getCloudletReceivedList();
			     ^
  symbol:   class Cloudlet
  location: class CloudSimExample1
Main.java:133: error: cannot find symbol
			Log.printLine("CloudSimExample1 finished!");
			^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:136: error: cannot find symbol
			Log.printLine("Unwanted errors happen");
			^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:152: error: cannot find symbol
		List<Host> hostList = new ArrayList<Host>();
		     ^
  symbol:   class Host
  location: class CloudSimExample1
Main.java:152: error: cannot find symbol
		List<Host> hostList = new ArrayList<Host>();
		                                    ^
  symbol:   class Host
  location: class CloudSimExample1
Main.java:156: error: cannot find symbol
		List<Pe> peList = new ArrayList<Pe>();
		     ^
  symbol:   class Pe
  location: class CloudSimExample1
Main.java:156: error: cannot find symbol
		List<Pe> peList = new ArrayList<Pe>();
		                                ^
  symbol:   class Pe
  location: class CloudSimExample1
Main.java:161: error: cannot find symbol
		peList.add(new Pe(0, new PeProvisionerSimple(mips))); // need to store Pe id and MIPS Rating
		               ^
  symbol:   class Pe
  location: class CloudSimExample1
Main.java:161: error: cannot find symbol
		peList.add(new Pe(0, new PeProvisionerSimple(mips))); // need to store Pe id and MIPS Rating
		                         ^
  symbol:   class PeProvisionerSimple
  location: class CloudSimExample1
Main.java:171: error: cannot find symbol
			new Host(
			    ^
  symbol:   class Host
  location: class CloudSimExample1
Main.java:173: error: cannot find symbol
				new RamProvisionerSimple(ram),
				    ^
  symbol:   class RamProvisionerSimple
  location: class CloudSimExample1
Main.java:174: error: cannot find symbol
				new BwProvisionerSimple(bw),
				    ^
  symbol:   class BwProvisionerSimple
  location: class CloudSimExample1
Main.java:177: error: cannot find symbol
				new VmSchedulerTimeShared(peList)
				    ^
  symbol:   class VmSchedulerTimeShared
  location: class CloudSimExample1
Main.java:194: error: cannot find symbol
		LinkedList<Storage> storageList = new LinkedList<Storage>(); // we are not adding SAN
		           ^
  symbol:   class Storage
  location: class CloudSimExample1
Main.java:194: error: cannot find symbol
		LinkedList<Storage> storageList = new LinkedList<Storage>(); // we are not adding SAN
		                                                 ^
  symbol:   class Storage
  location: class CloudSimExample1
Main.java:197: error: cannot find symbol
		DatacenterCharacteristics characteristics = new DatacenterCharacteristics(
		^
  symbol:   class DatacenterCharacteristics
  location: class CloudSimExample1
Main.java:197: error: cannot find symbol
		DatacenterCharacteristics characteristics = new DatacenterCharacteristics(
		                                                ^
  symbol:   class DatacenterCharacteristics
  location: class CloudSimExample1
Main.java:202: error: cannot find symbol
		Datacenter datacenter = null;
		^
  symbol:   class Datacenter
  location: class CloudSimExample1
Main.java:204: error: cannot find symbol
			datacenter = new Datacenter(name, characteristics, new VmAllocationPolicySimple(hostList), storageList, 0);
			                 ^
  symbol:   class Datacenter
  location: class CloudSimExample1
Main.java:204: error: cannot find symbol
			datacenter = new Datacenter(name, characteristics, new VmAllocationPolicySimple(hostList), storageList, 0);
			                                                       ^
  symbol:   class VmAllocationPolicySimple
  location: class CloudSimExample1
Main.java:221: error: cannot find symbol
		DatacenterBroker broker = null;
		^
  symbol:   class DatacenterBroker
  location: class CloudSimExample1
Main.java:223: error: cannot find symbol
			broker = new DatacenterBroker("Broker");
			             ^
  symbol:   class DatacenterBroker
  location: class CloudSimExample1
Main.java:238: error: cannot find symbol
		Cloudlet cloudlet;
		^
  symbol:   class Cloudlet
  location: class CloudSimExample1
Main.java:241: error: cannot find symbol
		Log.printLine();
		^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:242: error: cannot find symbol
		Log.printLine("========== OUTPUT ==========");
		^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:243: error: cannot find symbol
		Log.printLine("Cloudlet ID" + indent + "STATUS" + indent
		^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:250: error: cannot find symbol
			Log.print(indent + cloudlet.getCloudletId() + indent + indent);
			^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:252: error: cannot find symbol
			if (cloudlet.getCloudletStatus() == Cloudlet.SUCCESS) {
			                                    ^
  symbol:   variable Cloudlet
  location: class CloudSimExample1
Main.java:253: error: cannot find symbol
				Log.print("SUCCESS");
				^
  symbol:   variable Log
  location: class CloudSimExample1
Main.java:255: error: cannot find symbol
				Log.printLine(indent + indent + cloudlet.getResourceId()
				^
  symbol:   variable Log
  location: class CloudSimExample1
69 errors

Standard output is empty