import org.cloudbus.cloudsim.power.PowerDatacenter; //导入依赖的package包/类
/**
 * Starts the simulation.
 * 
 * @param experimentName
 *            the experiment name
 * @param outputFolder
 *            the output folder
 * @param vmAllocationPolicy
 *            the vm allocation policy
 */
protected void start(String experimentName, String outputFolder,
		VmAllocationPolicy vmAllocationPolicy) {
	System.out.println("Starting " + experimentName);

	try {
		// 创建数据中心
		PowerDatacenter datacenter = (PowerDatacenter) Helper
				.createDatacenter("Datacenter", PowerDatacenter.class,
						hostList, vmAllocationPolicy);

		// 允许进行迁移
		datacenter.setDisableMigrations(false);

		broker.submitVmList(vmList);
		broker.submitCloudletList(cloudletList);

		CloudSim.terminateSimulation(Constants.SIMULATION_LIMIT);
		double lastClock = CloudSim.startSimulation();

		List<Cloudlet> newList = broker.getCloudletReceivedList();
		Log.printLine("Received " + newList.size() + " cloudlets");

		CloudSim.stopSimulation();

		Helper.printResults(datacenter, vmList, lastClock, experimentName,
				Constants.OUTPUT_CSV, outputFolder);

	} catch (Exception e) {
		e.printStackTrace();
		Log.printLine("The simulation has been terminated due to an unexpected error");
		System.exit(0);
	}

	Log.printLine("Finished " + experimentName);
}
 

import org.cloudbus.cloudsim.power.PowerDatacenter; //导入依赖的package包/类
/**
 * Starts the simulation.
 * 
 * @param experimentName the experiment name
 * @param outputFolder the output folder
 * @param vmAllocationPolicy the vm allocation policy
 */
protected void start(String experimentName, String outputFolder, VmAllocationPolicy vmAllocationPolicy) {
	System.out.println("Starting " + experimentName);

	try {
		PowerDatacenter datacenter = (PowerDatacenter) Helper.createDatacenter(
				"Datacenter",
				PowerDatacenter.class,
				hostList,
				vmAllocationPolicy);

		datacenter.setDisableMigrations(false);

		broker.submitVmList(vmList);
		broker.submitCloudletList(cloudletList);

		CloudSim.terminateSimulation(Constants.SIMULATION_LIMIT);
		double lastClock = CloudSim.startSimulation();

		List<Cloudlet> newList = broker.getCloudletReceivedList();
		Log.printLine("Received " + newList.size() + " cloudlets");

		CloudSim.stopSimulation();

		Helper.printResults(
				datacenter,
				vmList,
				lastClock,
				experimentName,
				Constants.OUTPUT_CSV,
				outputFolder);

	} catch (Exception e) {
		e.printStackTrace();
		Log.printLine("The simulation has been terminated due to an unexpected error");
		System.exit(0);
	}

	Log.printLine("Finished " + experimentName);
}
 

import org.cloudbus.cloudsim.power.PowerDatacenter; //导入依赖的package包/类
/**
 * Starts the simulation.
 * 
 * @param experimentName the experiment name
 * @param outputFolder the output folder
 * @param vmAllocationPolicy the vm allocation policy
 */
protected void start(String experimentName, String outputFolder, VmAllocationPolicy vmAllocationPolicy) {
	System.out.println("Starting " + experimentName);

	try {
		PowerDatacenter datacenter = (PowerDatacenter) Helper.createDatacenter(
				"Datacenter",
				PowerDatacenter.class,
				hostList,
				vmAllocationPolicy);

		datacenter.setDisableMigrations(false);

		broker.submitVmList(vmList);
		broker.submitCloudletList(cloudletList);

		CloudSim.terminateSimulation(Constants.SIMULATION_LIMIT);
		
		//Start Simulation
		
		double lastClock = CloudSim.startSimulation();

		//Simulation Completed!
		
		List<Cloudlet> newList = broker.getCloudletReceivedList();
		Log.printLine("Received " + newList.size() + " cloudlets");

		CloudSim.stopSimulation();

		Helper.printResults(
				datacenter,
				vmList,
				lastClock,
				experimentName,
				Constants.OUTPUT_CSV,
				outputFolder);

	} catch (Exception e) {
		e.printStackTrace();
		Log.printLine("The simulation has been terminated due to an unexpected error");
		System.exit(0);
	}

	Log.printLine("Finished " + experimentName);
}
 

import org.cloudbus.cloudsim.power.PowerDatacenter; //导入依赖的package包/类
public void setDatacenter(PowerDatacenter datacenter) {
	this.datacenter = datacenter;
	this.hostList = datacenter.getHostList();
}