/**
* Creates a new Cluster, with a number of nodes and a resource manager
*
* <p>
*
* <DL>
* <DT><B>Preconditions:</B>
* <DD>parameter <CODE>name</CODE> cannot be null<br>
* <DD>parameter <CODE>gridSchedulerHostname</CODE> cannot be null<br>
* <DD>parameter <CODE>gridSchedulerPort</CODE> cannot be inferior or equal to 0<br>
* <DD>parameter <CODE>nrNodes</code> must be greater than 0
* </DL>
*
* @param name the name of this cluster
* @param nrNodes the number of nodes in this cluster
*/
public Cluster(
final int id,
int nEntities,
int nodeCount,
final int nJobsToExecute,
String hostname,
int port,
String gridSchedulerHostname,
int gridSchedulerPort,
boolean restart) {
// Preconditions
assert (hostname != null) : "parameter 'hostname' cannot be null";
assert (port > 0) : "parameter 'port' cannot be inferior or equal to 0";
assert (gridSchedulerHostname != null) : "parameter 'gridSchedulerHostname' cannot be null";
assert (gridSchedulerPort > 0)
: "parameter 'gridSchedulerPort' cannot be inferior or equal to 0";
assert (nodeCount > 0) : "parameter 'nodeCount' cannot be smaller or equal to zero";
// Initialize members
this.id = id;
this.rmHostname = hostname;
this.rmPort = port;
this.nodes = new ArrayList<Node>(nodeCount);
// Initialize the resource manager for this cluster
resourceManager =
new ResourceManager(id, nEntities, this, restart, gridSchedulerHostname, gridSchedulerPort);
// Initialize the nodes
for (int i = 0; i < nodeCount; i++) {
Node n = new Node();
// Make nodes report their status to the resource manager
n.addNodeEventHandler(resourceManager);
nodes.add(n);
}
resourceManager.connectToGridScheduler(gridSchedulerHostname, gridSchedulerPort);
try {
System.out.println(resourceManager.getGsList() + "\n5 seconds to start generating jobs...");
Thread.sleep(5000L);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(resourceManager.getGsList());
if (restart) {
// Get the Jobs that need to be executed from the analysis of the Log
final HashSet<Long> outsideJobsToExecute = resourceManager.getOutsideJobsToExecute();
final HashSet<Long> ownJobsToIgnore = resourceManager.getOwnJobsToIgnore();
System.out.println("Internal Jobs to be ignored (already compeleted)\n" + ownJobsToIgnore);
System.out.println("External Jobs to be generated:\n" + outsideJobsToExecute);
// Create the thread that will add the local Jobs that were not completed
Thread createOwnJobs =
new Thread(
new Runnable() {
public void run() {
int jobId = id * JOBID_MULTIPLICATION_FACTOR;
for (int i = 0; i < nJobsToExecute; i++) {
jobId++;
if (ownJobsToIgnore.contains(new Long(jobId))) {
continue;
}
Job job = new Job(8000 + (int) (Math.random() * 5000), jobId);
job.setOriginalRM(new InetSocketAddress(rmHostname, rmPort));
getResourceManager().addJob(job);
// Sleep a while before creating a new job
try {
Thread.sleep(JOB_CREATION_DELAY);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
});
// Create the thread that will add the outside jobs that were not completed
Thread createOutsideJobs =
new Thread(
new Runnable() {
public void run() {
for (Long id : outsideJobsToExecute) {
Job job = new Job(8000 + (int) (Math.random() * 5000), id);
job.setOriginalRM(new InetSocketAddress(rmHostname, rmPort));
getResourceManager().addJob(job);
// Sleep a while before creating a new job
try {
Thread.sleep(JOB_CREATION_DELAY);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
});
// Start the two threads that will generate the needed Jobs
createOwnJobs.start();
createOutsideJobs.start();
}
// Launch the thread normally.
else {
Thread createJobs =
new Thread(
new Runnable() {
public void run() {
int jobId = id * JOBID_MULTIPLICATION_FACTOR;
for (int i = 0; i < nJobsToExecute; i++) {
Job job = new Job(8000 + (int) (Math.random() * 5000), jobId++);
job.setOriginalRM(new InetSocketAddress(rmHostname, rmPort));
getResourceManager().addJob(job);
// Sleep a while before creating a new job
try {
Thread.sleep(JOB_CREATION_DELAY);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
});
createJobs.start();
}
// Start the polling thread
running = true;
pollingThread = new Thread(this);
pollingThread.start();
}
