public static void main(String[] args) {
SessionFactory factory = SessionFactory.getFactory();
Session session = factory.getSession();
try {
session.init("");
JobTemplate jt = session.createJobTemplate();
jt.setRemoteCommand("sleeper.sh");
jt.setArgs(Collections.singletonList("5"));
java.util.List ids = session.runBulkJobs(jt, 1, 30, 2);
java.util.Iterator i = ids.iterator();
while (i.hasNext()) {
System.out.println("Your job has been submitted with id " + i.next());
}
session.deleteJobTemplate(jt);
session.exit();
} catch (DrmaaException e) {
System.out.println("Error: " + e.getMessage());
}
}
public static void master(int numJobs) {
SessionFactory factory = SessionFactory.getFactory();
Session session = factory.getSession();
try {
session.init("");
JobTemplate jt = session.createJobTemplate();
jt.setRemoteCommand("java");
String home = java.lang.System.getProperty("user.dir");
jt.setWorkingDirectory(home);
List<String> jobIds = Lists.newArrayList();
for (int i = 0; i < numJobs; i++) {
jt.setErrorPath(":" + home + "/error" + i + ".txt");
jt.setOutputPath(":" + home + "/out" + i + ".txt");
jt.setArgs(
Lists.newArrayList(
"-Djava.library.path=/opt/uge816/lib/lx-amd64/:/opt/ibm/ILOG/CPLEX_Studio125/cplex/bin/x86-64_sles10_4.1/",
"-jar",
home + "/drmaaTest.jar",
"worker",
Integer.toString(i)));
String id = session.runJob(jt);
System.out.println("Your job has been submitted with id " + id);
}
session.deleteJobTemplate(jt);
session.synchronize(jobIds, Session.TIMEOUT_WAIT_FOREVER, true);
System.out.println("All jobs finished!");
session.exit();
List<String> answers = Lists.newArrayList();
for (int i = 0; i < numJobs; i++) {
String ans = "error";
String jobName = "job" + i + ".txt";
File file = new File(jobName);
long msToWait = 2000;
while (!file.exists()) {
System.out.println(
"waiting for file system to show " + jobName + ". Sleeping " + msToWait + "ms");
try {
Thread.sleep(msToWait);
} catch (InterruptedException e) {
}
msToWait = 2 * msToWait;
}
if (file.exists()) {
try {
BufferedReader reader = new BufferedReader(new FileReader(jobName));
String firstLine = reader.readLine();
if (firstLine != null) {
ans = firstLine;
}
reader.close();
} catch (IOException e) {
ans = "I/O error";
}
}
answers.add(ans);
}
System.out.println("Answers: " + answers);
} catch (DrmaaException e) {
System.out.println("Error: " + e.getMessage());
throw new RuntimeException(e);
}
}