public AsyncManager(int maxStage, AsyncExecutor executor, Engine server) {
this.executor = executor;
this.engine = server;
this.maxStage = maxStage;
executor.setManager(this);
registerWithScheduler(((SpoutEngine) server).getScheduler());
}
/** {@inheritDoc} */
@Override
public void expire() {
try {
eventDispatcher.shutdown();
} finally {
super.expire();
}
}
@Test
public void get_shouldJoinTheCreatedThread_givenAFutureReturnedByExecute() throws Exception {
long startTime = System.nanoTime();
Future<?> result = asyncExecutor.execute(suppressCheckedExceptions(() -> Thread.sleep(250L)));
result.get();
long endTime = System.nanoTime();
assertThat(endTime - startTime, isGreaterThan(100 * 1000000L));
}
@Test
public void isDone_shouldReturnFalse_whenTheThreadIsFinished_givenAFutureReturnedByExecute()
throws Exception {
Future<?> result = asyncExecutor.execute(() -> {});
Thread.sleep(50L); // give other thread a chance to finish...
assertTrue(result.isDone());
}
@Test
public void get_shouldSucceed_whenTheThreadThrowsAnException_givenAFutureReturnedByExecute()
throws Exception {
Future<?> result =
asyncExecutor.execute(
() -> {
throw new RuntimeException("blah");
});
result.get(100, TimeUnit.MILLISECONDS);
}
/**
* Submits {@link #notifySctpConnectionReadyInEventDispatcher()} to {@link #eventDispatcher} for
* asynchronous execution.
*/
private void notifySctpConnectionReady() {
if (!isExpired()) {
eventDispatcher.execute(
new Runnable() {
@Override
public void run() {
notifySctpConnectionReadyInEventDispatcher();
}
});
}
}
/**
* Submits {@link #notifyChannelOpenedInEventDispatcher(WebRtcDataStream)} to {@link
* #eventDispatcher} for asynchronous execution.
*
* @param dataChannel
*/
private void notifyChannelOpened(final WebRtcDataStream dataChannel) {
if (!isExpired()) {
eventDispatcher.execute(
new Runnable() {
@Override
public void run() {
notifyChannelOpenedInEventDispatcher(dataChannel);
}
});
}
}
@Test
public void cancel_shouldThrowAnUnsupportedOperationException_givenAFutureReturnedByExecute()
throws Exception {
Future<?> result = asyncExecutor.execute(() -> {});
try {
result.cancel(true);
fail("Expected an exception");
} catch (UnsupportedOperationException ignore) {
}
}
@Test
public void
getWithATimeout_shouldThrowATimeoutException_whenTheThreadDoesNotEndQuickly_givenAFutureReturnedByExecute()
throws Exception {
Future<?> result = asyncExecutor.execute(suppressCheckedExceptions(() -> Thread.sleep(250L)));
try {
result.get(50, TimeUnit.MILLISECONDS);
fail("Expected an exception");
} catch (TimeoutException ignore) {
}
}
@Test
public void isDone_shouldReturnTrue_whenTheThreadIsAlive_givenAFutureReturnedByExecute()
throws Exception {
CountDownLatch latch = new CountDownLatch(1);
Future<?> result = asyncExecutor.execute(suppressCheckedExceptions(latch::await));
try {
assertFalse(result.isDone());
} finally {
latch.countDown(); // don't want a thread waiting forever...
}
}
@Test
public void execute_shouldCreateAndStartAThreadWithTheProvidedRunnableAndReturnAFuture()
throws Exception {
CountDownLatch latch = new CountDownLatch(1);
Future<?> result = asyncExecutor.execute(latch::countDown);
latch.await(5, TimeUnit.SECONDS); // give the new thread time to start to running
verify(factory).newThread(any()); // The provided runnable will be wrapped, not passed directly
assertEquals(0, latch.getCount()); // but the runnable will be executed
assertNotNull(result);
assertNotNull(createdThread);
assertNotEquals(Thread.State.NEW, createdThread.getState());
}
public AsyncManager(int maxStage, AsyncExecutor executor) {
this.executor = executor;
engine = null;
this.maxStage = maxStage;
executor.setManager(this);
}
@Test
public void getWithATimeout_shouldSucceed_whenTheThreadEndsQuickly_givenAFutureReturnedByExecute()
throws Exception {
Future<?> result = asyncExecutor.execute(suppressCheckedExceptions(() -> Thread.sleep(50L)));
result.get(100, TimeUnit.MILLISECONDS);
}
@Test
public void isCancelled_shouldReturnFalse_givenAFutureReturnedByExecute() throws Exception {
Future<?> result = asyncExecutor.execute(() -> {});
assertFalse(result.isCancelled());
}
