/** @throws Exception */
@Test
public void testSerialization() throws Exception {
// a simple worker that acquires a lock on page 5
class Locker extends Thread {
private final PageAccessSynchronizer sync;
public Locker(PageAccessSynchronizer sync) {
this.sync = sync;
}
@Override
public void run() {
sync.lockPage(5);
}
}
// set up a synchronizer and lock page 5 with locker1
final Duration timeout = Duration.seconds(30);
final PageAccessSynchronizer sync = new PageAccessSynchronizer(timeout);
Locker locker1 = new Locker(sync);
final long start = System.currentTimeMillis();
locker1.run();
// make sure we can serialize the synchronizer
final PageAccessSynchronizer sync2 = WicketObjects.cloneObject(sync);
assertTrue(sync != sync2);
// make sure the clone does not retain locks by attempting to lock page locked by locker1 in
// locker2
Locker locker2 = new Locker(sync2);
locker2.run();
assertTrue(Duration.milliseconds(System.currentTimeMillis() - start).lessThan(timeout));
}
/**
* Verifies that getting a value which is expired will return <code>null</code>.
*
* @throws Exception
*/
@Test
public void getExpiredValue() throws Exception {
Time start = Time.now();
Duration timeout = Duration.milliseconds(50);
StoredResponsesMap map = new StoredResponsesMap(1000, timeout);
assertEquals(0, map.size());
map.put("1", new BufferedWebResponse(null));
assertEquals(1, map.size());
TimeUnit.MILLISECONDS.sleep(
timeout.getMilliseconds() * 2); // sleep for twice longer than the timeout
assertTrue("The timeout has passed.", Time.now().subtract(start).compareTo(timeout) == 1);
Object value = map.get("1");
assertNull(value);
}
/** @throws Exception */
@Test
public void testBlocking() throws Exception {
final PageAccessSynchronizer sync = new PageAccessSynchronizer(Duration.seconds(5));
final Duration hold = Duration.seconds(1);
final Time t1locks[] = new Time[1];
final Time t2locks[] = new Time[1];
class T1 extends Thread {
@Override
public void run() {
sync.lockPage(1);
t1locks[0] = Time.now();
hold.sleep();
sync.unlockAllPages();
}
}
class T2 extends Thread {
@Override
public void run() {
sync.lockPage(1);
t2locks[0] = Time.now();
sync.unlockAllPages();
}
}
T1 t1 = new T1();
t1.setName("t1");
T2 t2 = new T2();
t2.setName("t2");
t1.start();
Duration.milliseconds(100).sleep();
t2.start();
t1.join();
t2.join();
assertTrue(!t2locks[0].before(t1locks[0].add(hold)));
}
/**
* Constructor.
*
* @param status job status to check
*/
public WorkflowTransformationJobStatusUpdatingBehaviour(JobStatus status) {
super(Duration.milliseconds(1000));
this.status = status;
}