import com.google.protos.ipc.invalidation.JavaClient.StatisticsState; //导入依赖的package包/类
@Override
public StatisticsState marshal() {
  // Get all the non-zero counters, convert them to proto PropertyRecord messages, and return
  // a StatisticsState containing the records.
  StatisticsState.Builder builder = StatisticsState.newBuilder();
  List<SimplePair<String, Integer>> counters = new ArrayList<SimplePair<String, Integer>>();
  getNonZeroStatistics(counters);
  for (SimplePair<String, Integer> counter : counters) {
    builder.addCounter(CommonProtos2.newPropertyRecord(counter.getFirst(), counter.getSecond()));
  }
  return builder.build();
}
 

import com.google.protos.ipc.invalidation.JavaClient.StatisticsState; //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);
}