protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// get the number of workers to run
int count = this.getRequestedCount(request, 4);
// get the executor service
final ServletContext sc = this.getServletContext();
final ExecutorService executorService = (ExecutorService) sc.getAttribute("myExecutorService");
// create work coordinator
CountDownLatch countDownLatch = new CountDownLatch(count);
Long t1 = System.nanoTime();
// create the workers
List<RunnableWorkUnit2> workers = new ArrayList<RunnableWorkUnit2>();
for (int i = 0; i < count; i++) {
RunnableWorkUnit2 wu =
new RunnableWorkUnit2("RunnableTask" + String.valueOf(i + 1), countDownLatch);
workers.add(wu);
}
// run the workers through the executor
for (RunnableWorkUnit2 wu : workers) {
executorService.execute(wu);
}
try {
System.out.println("START WAITING");
countDownLatch.await();
System.out.println("DONE WAITING");
} catch (InterruptedException ex) {
ex.printStackTrace();
}
Long t2 = System.nanoTime();
Writer w = response.getWriter();
w.write(String.format("\n Request processed in %dms!", (t2 - t1) / 1000000));
w.flush();
w.close();
}
public void close() throws IOException {
writer.close();
}
