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

-package org.cloudbus.cloudsim.network.datacenter;
-
-/**
- * BagofTaskApp is an example of AppCloudlet having three noncommunicating tasks. 
- * 
- * 
- * Please refer to following publication for more details:
- * 
- * Saurabh Kumar Garg and Rajkumar Buyya, NetworkCloudSim: Modelling Parallel
- * Applications in Cloud Simulations, Proceedings of the 4th IEEE/ACM
- * International Conference on Utility and Cloud Computing (UCC 2011, IEEE CS
- * Press, USA), Melbourne, Australia, December 5-7, 2011.
- *
- * 
- * @author Saurabh Kumar Garg
- * @since CloudSim Toolkit 1.0
- */
-
-import java.util.List;
-
-import org.cloudbus.cloudsim.UtilizationModel;
-import org.cloudbus.cloudsim.UtilizationModelFull;
-import org.cloudbus.cloudsim.core.CloudSim;
-
-public class BagofTaskApp extends AppCloudlet {
-
-	public BagofTaskApp(int type, int appID, double deadline, 	int numbervm, int userId) {
-		super(type, appID, deadline, numbervm,userId);
-		
-		this.numbervm=this.getnumvm();
-		this.exeTime=getExecTime()/this.numbervm;
-	}
-	
-	@Override
-    public void createCloudletList(List<Integer> vmIdList){
-		//basically, each task runs the simulation and then data is consolidated in one task
-		int executionTime = getExecTime();
-		long memory = 1000;
-		long fileSize = NetworkConstants.FILE_SIZE;
-		long outputSize = NetworkConstants.OUTPUT_SIZE;
-		int pesNumber = NetworkConstants.PES_NUMBER;
-		int stgId=0;
-		int t=NetworkConstants.currentCloudletId;
-	  	for(int i=0;i<numbervm;i++){
-    		UtilizationModel utilizationModel = new UtilizationModelFull();
-    		NetworkCloudlet cl = new NetworkCloudlet(NetworkConstants.currentCloudletId, executionTime/numbervm, pesNumber, fileSize, outputSize, memory, utilizationModel, utilizationModel, utilizationModel);
-    		NetworkConstants.currentCloudletId++;
-    		cl.setUserId(userId);
-			cl.submittime=CloudSim.clock();
-    		cl.currStagenum=-1;
-			cl.setVmId(vmIdList.get(i));
-			//compute and send data to node 0
-    		cl.stages.add(new TaskStage(NetworkConstants.EXECUTION, NetworkConstants.COMMUNICATION_LENGTH, executionTime/numbervm, stgId++, memory, vmIdList.get(0),cl.getCloudletId()));
-    		
-    		//0 has an extra stage of waiting for results; others send
-    		if (i==0){
-    			for(int j=1;j<numbervm;j++)
-    				cl.stages.add(new TaskStage(NetworkConstants.WAIT_RECV, NetworkConstants.COMMUNICATION_LENGTH, 0, stgId++, memory, vmIdList.get(j),cl.getCloudletId()+j));
-    		} else {
-    			cl.stages.add(new TaskStage(NetworkConstants.WAIT_SEND, NetworkConstants.COMMUNICATION_LENGTH, 0, stgId++, memory, vmIdList.get(0),t));
-    		}
-    		
-    		clist.add(cl);    			
-    	}	
-	}
-	
-	/**
-	 * One can generate number of VMs for each application based on deadline
-	 * @return
-	 */
-	public int getnumvm(){
-		double exetime=getExecTime()/2;//for two vms
-		if(this.deadline>exetime)
-			return 2;
-		else if(this.deadline>(exetime/4)) return 4;
-			
-		return 4;
-	}
-	
-	private int getExecTime() {
-		//use exec constraints 
-		
-		return 100;
-	}
-
-	
-}