public BlockingQueue getQueue(String key, int capacity) throws Exception {
BlockingQueue queue = null;
if (HazelcastManager.hasInstance()) {
logger.info("Mule clustering is enabled; using Hazelcast queue");
HazelcastInstance instance = HazelcastManager.getInstance().getHazelcastInstance();
queue = instance.getQueue(key);
} else {
logger.info("Mule clustering is disabled; using local queue");
queue = registry.lookupObject(key);
if (queue == null) {
queue = new ArrayBlockingQueue<Long>(capacity);
registry.registerObject(key, queue);
}
}
return queue;
}
