// Start an executor service pool with max 5 threads
ExecutorService executorService = new ExecutorService("unit_test");
executorService.startExecutorService(
ExecutorType.MASTER_SERVER_OPERATIONS, maxThreads);
Executor executor =
executorService.getExecutor(ExecutorType.MASTER_SERVER_OPERATIONS);
ThreadPoolExecutor pool = executor.threadPoolExecutor;
// Assert no threads yet
assertEquals(0, pool.getPoolSize());
AtomicBoolean lock = new AtomicBoolean(true);
AtomicInteger counter = new AtomicInteger(0);
// Submit maxThreads executors.
for (int i = 0; i < maxThreads; i++) {
executorService.submit(
new TestEventHandler(mockedServer, EventType.M_SERVER_SHUTDOWN,
lock, counter));
}
// The TestEventHandler will increment counter when it starts.
int tries = 0;
while (counter.get() < maxThreads && tries < maxTries) {
LOG.info("Waiting for all event handlers to start...");
Thread.sleep(sleepInterval);
tries++;
}
// Assert that pool is at max threads.
assertEquals(maxThreads, counter.get());
assertEquals(maxThreads, pool.getPoolSize());
ExecutorStatus status = executor.getStatus();
assertTrue(status.queuedEvents.isEmpty());
assertEquals(5, status.running.size());
checkStatusDump(status);