public void shutdown() {
LOG.info(
format(
"shutting down the (LinkedBlockingQueue)ThreadBoundExecutor[%s]",
threadFactory.toString()));
if (shuttingDown.compareAndSet(false, true)) {
final CountDownLatch shuttingDownLatch = new CountDownLatch(queues.size());
for (BlockingQueue<ThreadBoundEvent> queue : queues) {
queue.add(new ShutdownTask(shuttingDownLatch));
}
try {
if (!shuttingDownLatch.await(30, TimeUnit.SECONDS)) {
LOG.error(
format(
"timeout while waiting for (LinkedBlockingQueue)ThreadBoundExecutor[%s] queues to empty",
threadFactory.toString()));
}
} catch (InterruptedException ignore) {
// we are shutting down anyway
LOG.warn(
format(
"(LinkedBlockingQueue)ThreadBoundExecutor[%s] shutdown interrupted.",
threadFactory.toString()));
}
}
LOG.info(
format(
"(LinkedBlockingQueue)ThreadBoundExecutor[%s] shut down completed",
threadFactory.toString()));
}
public ThreadBoundExecutorImpl(
ThreadBoundEventProcessor eventProcessor,
int maxBatchSize,
ThreadFactory threadFactory,
int numberOfThreads) {
this.threadFactory = threadFactory;
LOG.info(
format(
"Initializing (LinkedBlockingQueue)ThreadBoundExecutor[%s]", threadFactory.toString()));
for (int i = 0; i < numberOfThreads; i++) {
BlockingQueue<ThreadBoundEvent> queue = new LinkedBlockingQueue<>();
Thread t = threadFactory.newThread(new Consumer(queue, eventProcessor, maxBatchSize));
queues.add(queue);
t.start();
}
}