Examples with FutureWork org.teiid.dqp.internal.process.FutureWork used on opensource projects

Example 1 with FutureWork

use of org.teiid.dqp.internal.process.FutureWork in project teiid by teiid.

the class TestThreadReuseExecutor method testPriorities.

@Test
public void testPriorities() throws Exception {
    // $NON-NLS-1$
    pool = new ThreadReuseExecutor("test", 1);
    FutureWork<Boolean> work1 = new FutureWork<Boolean>(new Callable<Boolean>() {

        public Boolean call() throws Exception {
            synchronized (pool) {
                while (pool.getSubmittedCount() < 4) {
                    pool.wait();
                }
            }
            return true;
        }
    }, 0);
    final ConcurrentLinkedQueue<Integer> order = new ConcurrentLinkedQueue<Integer>();
    FutureWork<Boolean> work2 = new FutureWork<Boolean>(new Callable<Boolean>() {

        public Boolean call() throws Exception {
            order.add(2);
            return true;
        }
    }, 2);
    FutureWork<Boolean> work3 = new FutureWork<Boolean>(new Callable<Boolean>() {

        public Boolean call() throws Exception {
            order.add(3);
            return false;
        }
    }, 1);
    // ensure a later timestamp
    Thread.sleep(20);
    FutureWork<Boolean> work4 = new FutureWork<Boolean>(new Callable<Boolean>() {

        public Boolean call() throws Exception {
            order.add(4);
            return false;
        }
    }, 2);
    pool.execute(work1);
    pool.execute(work2);
    pool.execute(work3);
    pool.execute(work4);
    synchronized (pool) {
        pool.notifyAll();
    }
    work1.get();
    work2.get();
    work3.get();
    work4.get();
    assertEquals(Integer.valueOf(3), order.remove());
    assertEquals(Integer.valueOf(2), order.remove());
    assertEquals(Integer.valueOf(4), order.remove());
}