HazelcastAPI Node Sınıfı

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Şu satırı dahil ederiz

import com.hazelcast.instance.impl.Node;

Kod şöyle. HazelcastInstanceImpl sınıfının bir alanıdır. Bazı servisler bu sınıfın içindedir. Bazı servisler de NodeEngineImpl içindedir.

public class Node {

  // name of property used to inject ClusterTopologyIntentTracker in Discovery Service
  public static final String DISCOVERY_PROPERTY_CLUSTER_TOPOLOGY_INTENT_TRACKER =
            "hazelcast.internal.discovery.cluster.topology.intent.tracker";

  private static final int THREAD_SLEEP_DURATION_MS = 500;
  private static final String GRACEFUL_SHUTDOWN_EXECUTOR_NAME = "hz:graceful-shutdown";

  public final HazelcastInstanceImpl hazelcastInstance;
  public final DynamicConfigurationAwareConfig config;
  public final NodeEngineImpl nodeEngine;
  public final ClientEngine clientEngine;
  public final InternalPartitionServiceImpl partitionService;
  public final ClusterServiceImpl clusterService;
  public final MulticastService multicastService;
  public final DiscoveryService discoveryService;
  public final TextCommandService textCommandService;
  public final LoggingServiceImpl loggingService;
  public final Server server;

  /**
   * Member-to-member address only.
   * When the Node is configured with multiple endpoints, this address still 
   * represents ProtocolType.MEMBER
   * For accessing a full address-map, see AddressPicker.getPublicAddressMap()
   */
  public final Address address;
  public final SecurityContext securityContext;
  final ClusterTopologyIntentTracker clusterTopologyIntentTracker;

  private final ILogger logger;
  private final AtomicBoolean shuttingDown = new AtomicBoolean(false);
  private final NodeShutdownHookThread shutdownHookThread;
  private final MemberSchemaService schemaService;
  private final InternalSerializationService serializationService;
  private final InternalSerializationService compatibilitySerializationService;
  private final ClassLoader configClassLoader;
  private final NodeExtension nodeExtension;
  private final HazelcastProperties properties;
  private final BuildInfo buildInfo;
  private final HealthMonitor healthMonitor;
  private final Joiner joiner;
  private final LocalAddressRegistry localAddressRegistry;
  private ManagementCenterService managementCenterService;

  // it can be changed on cluster service reset 
  //see: ClusterServiceImpl#resetLocalMemberUuid
  private volatile UUID thisUuid;
  private volatile NodeState state = NodeState.STARTING;
  ...
}

start metodu

NodeEngineImpl nesnesini ve servisleri başlatır