import com.google.ipc.invalidation.common.TiclMessageValidator2; //导入依赖的package包/类
/**
 * Constructs a client.
 *
 * @param resources resources to use during execution
 * @param random a random number generator
 * @param clientType client type code
 * @param clientName application identifier for the client
 * @param config configuration for the client
 * @param applicationName name of the application using the library (for debugging/monitoring)
 * @param regManagerState marshalled registration manager state, if any
 * @param protocolHandlerState marshalled protocol handler state, if any
 * @param listener application callback
 */
private InvalidationClientCore(final SystemResources resources, Random random, int clientType,
    final byte[] clientName, ClientConfigP config, String applicationName,
    RunStateP ticlRunState,
    RegistrationManagerStateP regManagerState,
    ProtocolHandlerState protocolHandlerState,
    StatisticsState statisticsState,
    InvalidationListener listener) {
  this.resources = Preconditions.checkNotNull(resources);
  this.random = random;
  this.logger = Preconditions.checkNotNull(resources.getLogger());
  this.internalScheduler = resources.getInternalScheduler();
  this.storage = resources.getStorage();
  this.config = config;
  this.ticlState = (ticlRunState == null) ? new RunState() : new RunState(ticlRunState);
  this.smearer = new Smearer(random, this.config.getSmearPercent());
  this.applicationClientId =
      CommonProtos2.newApplicationClientIdP(clientType, ByteString.copyFrom(clientName));
  this.listener = listener;
  this.msgValidator = new TiclMessageValidator2(resources.getLogger());
  this.statistics = (statisticsState != null) ?
      Statistics.deserializeStatistics(resources.getLogger(), statisticsState.getCounterList()) :
      new Statistics();
  this.registrationManager = new RegistrationManager(logger, statistics, digestFn,
      regManagerState);
  this.protocolHandler = new ProtocolHandler(config.getProtocolHandlerConfig(), resources,
      smearer, statistics, clientType, applicationName, this, msgValidator, protocolHandlerState);
}
 

import com.google.ipc.invalidation.common.TiclMessageValidator2; //导入依赖的package包/类
/**
 * Creates an instance.
 *
 * @param config configuration for the client
 * @param resources resources to use
 * @param smearer a smearer to randomize delays
 * @param statistics track information about messages sent/received, etc
 * @param applicationName name of the application using the library (for debugging/monitoring)
 * @param listener callback for protocol events
 */
ProtocolHandler(ProtocolHandlerConfigP config, final SystemResources resources,
    Smearer smearer, Statistics statistics, int clientType, String applicationName,
    ProtocolListener listener, TiclMessageValidator2 msgValidator,
    ProtocolHandlerState marshalledState) {
  this.logger = resources.getLogger();
  this.statistics = statistics;
  this.internalScheduler = resources.getInternalScheduler();
  this.network = resources.getNetwork();
  this.listener = listener;
  this.msgValidator = msgValidator;
  this.clientVersion = CommonProtos2.newClientVersion(resources.getPlatform(), "Java",
      applicationName);
  this.clientType = clientType;
  if (marshalledState == null) {
    // If there is no marshalled state, construct a clean batcher.
    this.batcher = new Batcher(resources, statistics);
  } else {
    // Otherwise, restore the batcher from the marshalled state.
    this.batcher = new Batcher(resources, statistics, marshalledState.getBatcherState());
    this.messageId = marshalledState.getMessageId();
    this.lastKnownServerTimeMs = marshalledState.getLastKnownServerTimeMs();
    this.nextMessageSendTimeMs = marshalledState.getNextMessageSendTimeMs();
  }
  logger.info("Created protocol handler for application %s, platform %s", applicationName,
      resources.getPlatform());
}