public MessageManager(NodeManagement nodeManagement) throws RemoteException {
UnicastRemoteObject.exportObject(this, 0);
this.nodeManagement = nodeManagement;
// instance the message queue
int messagesQueueSize =
nodeManagement
.getConfigFile()
.getProperty("MessagesQueueSize", DEFAULT_MESSAGES_QUEUE_SIZE);
messagesQueue = new LinkedBlockingQueue<MessageContainer>(messagesQueueSize);
// instance the broadcasted messages queue
int broadcastedMessagesQueueSize =
nodeManagement
.getConfigFile()
.getProperty("BroadcastedMessagesQueueSize", DEFAULT_BROADCASTED_MESSAGES_QUEUE_SIZE);
broadcastedMessagesQueue =
new LinkedBlockingQueue<MessageContainer>(broadcastedMessagesQueueSize);
synchronizationTime = new ConcurrentHashMap<String, Long>();
}
public void startMessageProcessing() {
long messageExpirationTime =
nodeManagement
.getConfigFile()
.getProperty("MessageExpirationTime", DEFAULT_MESSAGE_EXPIRATION_TIME);
// start the message depurator to empty the list of broadcasted messages after their timestamp
// has expired
MessageDepurator messageDepurator =
new MessageDepurator(nodeManagement, broadcastedMessagesQueue, messageExpirationTime);
new Thread(messageDepurator).start();
// start the message processor to process the arriving messages
MessageProcessor messageProcessor = new MessageProcessor(nodeManagement, messagesQueue);
new Thread(messageProcessor).start();
// start the message requester to get the new messages from every group node
if (nodeManagement.getConfigFile().getProperty("MessageRequesterEnabled", false)) {
MessageRequester messageRequester = new MessageRequester(nodeManagement);
new Thread(messageRequester).start();
}
}
