public Node(HazelcastInstanceImpl hazelcastInstance, Config config, NodeContext nodeContext) {
this.hazelcastInstance = hazelcastInstance;
this.config = config;
this.configClassLoader = config.getClassLoader();
this.groupProperties = new GroupProperties(config);
this.buildInfo = BuildInfoProvider.getBuildInfo();
String loggingType = groupProperties.getString(GroupProperty.LOGGING_TYPE);
loggingService =
new LoggingServiceImpl(config.getGroupConfig().getName(), loggingType, buildInfo);
final AddressPicker addressPicker = nodeContext.createAddressPicker(this);
try {
addressPicker.pickAddress();
} catch (Throwable e) {
throw ExceptionUtil.rethrow(e);
}
final ServerSocketChannel serverSocketChannel = addressPicker.getServerSocketChannel();
try {
address = addressPicker.getPublicAddress();
final Map<String, Object> memberAttributes =
findMemberAttributes(config.getMemberAttributeConfig().asReadOnly());
localMember =
new MemberImpl(
address, true, createMemberUuid(address), hazelcastInstance, memberAttributes);
loggingService.setThisMember(localMember);
logger = loggingService.getLogger(Node.class.getName());
hazelcastThreadGroup =
new HazelcastThreadGroup(hazelcastInstance.getName(), logger, configClassLoader);
nodeExtension = NodeExtensionFactory.create(configClassLoader);
nodeExtension.beforeStart(this);
serializationService = nodeExtension.createSerializationService();
securityContext =
config.getSecurityConfig().isEnabled() ? nodeExtension.getSecurityContext() : null;
nodeEngine = new NodeEngineImpl(this);
clientEngine = new ClientEngineImpl(this);
connectionManager = nodeContext.createConnectionManager(this, serverSocketChannel);
partitionService = new InternalPartitionServiceImpl(this);
clusterService = new ClusterServiceImpl(this);
textCommandService = new TextCommandServiceImpl(this);
nodeExtension.printNodeInfo(this);
multicastService =
createMulticastService(addressPicker.getBindAddress(), this, config, logger);
discoveryService = createDiscoveryService(config);
initializeListeners(config);
joiner = nodeContext.createJoiner(this);
} catch (Throwable e) {
try {
serverSocketChannel.close();
} catch (Throwable ignored) {
}
throw ExceptionUtil.rethrow(e);
}
}
void start() {
nodeEngine.start();
connectionManager.start();
if (config.getNetworkConfig().getJoin().getMulticastConfig().isEnabled()) {
final Thread multicastServiceThread =
new Thread(
hazelcastThreadGroup.getInternalThreadGroup(),
multicastService,
hazelcastThreadGroup.getThreadNamePrefix("MulticastThread"));
multicastServiceThread.start();
}
if (groupProperties.getBoolean(GroupProperty.DISCOVERY_SPI_ENABLED)) {
discoveryService.start();
}
if (groupProperties.getBoolean(GroupProperty.SHUTDOWNHOOK_ENABLED)) {
logger.finest("Adding ShutdownHook");
Runtime.getRuntime().addShutdownHook(shutdownHookThread);
}
state = NodeState.ACTIVE;
join();
int clusterSize = clusterService.getSize();
if (config.getNetworkConfig().isPortAutoIncrement()
&& address.getPort() >= config.getNetworkConfig().getPort() + clusterSize) {
StringBuilder sb = new StringBuilder("Config seed port is ");
sb.append(config.getNetworkConfig().getPort());
sb.append(" and cluster size is ");
sb.append(clusterSize);
sb.append(". Some of the ports seem occupied!");
logger.warning(sb.toString());
}
try {
managementCenterService = new ManagementCenterService(hazelcastInstance);
} catch (Exception e) {
logger.warning("ManagementCenterService could not be constructed!", e);
}
nodeExtension.afterStart(this);
versionCheck.check(this, getBuildInfo().getVersion(), buildInfo.isEnterprise());
}
public void shutdown(final boolean terminate) {
long start = Clock.currentTimeMillis();
if (logger.isFinestEnabled()) {
logger.finest("We are being asked to shutdown when state = " + state);
}
if (!STATE.compareAndSet(this, NodeState.ACTIVE, NodeState.SHUTTING_DOWN)) {
waitIfAlreadyShuttingDown();
return;
}
if (!terminate) {
final int maxWaitSeconds =
groupProperties.getSeconds(GroupProperty.GRACEFUL_SHUTDOWN_MAX_WAIT);
if (!partitionService.prepareToSafeShutdown(maxWaitSeconds, TimeUnit.SECONDS)) {
logger.warning(
"Graceful shutdown could not be completed in " + maxWaitSeconds + " seconds!");
}
clusterService.sendShutdownMessage();
} else {
logger.warning("Terminating forcefully...");
}
// set the joined=false first so that
// threads do not process unnecessary
// events, such as remove address
joined.set(false);
setMasterAddress(null);
try {
if (groupProperties.getBoolean(GroupProperty.SHUTDOWNHOOK_ENABLED)) {
Runtime.getRuntime().removeShutdownHook(shutdownHookThread);
}
discoveryService.destroy();
logger.info("Shutting down connection manager...");
connectionManager.shutdown();
} catch (Throwable ignored) {
}
versionCheck.shutdown();
if (managementCenterService != null) {
managementCenterService.shutdown();
}
textCommandService.stop();
if (multicastService != null) {
logger.info("Shutting down multicast service...");
multicastService.stop();
}
logger.info("Shutting down connection manager...");
connectionManager.shutdown();
logger.info("Shutting down node engine...");
nodeEngine.shutdown(terminate);
if (securityContext != null) {
securityContext.destroy();
}
nodeExtension.destroy();
logger.finest("Destroying serialization service...");
serializationService.destroy();
hazelcastThreadGroup.destroy();
logger.info(
"Hazelcast Shutdown is completed in " + (Clock.currentTimeMillis() - start) + " ms.");
state = NodeState.SHUT_DOWN;
}
