Ejemplo n.º 1
0
  public Synchronizer getConfiguredSynchronizer(GlobalSession session)
      throws NoCollectionKeysSetException, URISyntaxException, NonObjectJSONException, IOException,
          ParseException {
    Repository remote = wrappedServerRepo();

    Synchronizer synchronizer = new ServerLocalSynchronizer();
    synchronizer.repositoryA = remote;
    synchronizer.repositoryB = this.getLocalRepository();
    synchronizer.load(getConfig());

    return synchronizer;
  }
Ejemplo n.º 2
0
  /**
   * We synced this engine! Persist timestamps and advance the session.
   *
   * @param synchronizer the <code>Synchronizer</code> that succeeded.
   */
  @Override
  public void onSynchronized(Synchronizer synchronizer) {
    Logger.debug(LOG_TAG, "onSynchronized.");

    SynchronizerConfiguration newConfig = synchronizer.save();
    if (newConfig != null) {
      persistConfig(newConfig);
    } else {
      Logger.warn(LOG_TAG, "Didn't get configuration from synchronizer after success.");
    }

    Logger.info(LOG_TAG, "Advancing session.");
    session.advance();
  }
Ejemplo n.º 3
0
  @Override
  public void execute() throws NoSuchStageException {
    final String name = getEngineName();
    Logger.debug(LOG_TAG, "Starting execute for " + name);

    try {
      if (!this.isEnabled()) {
        Logger.info(LOG_TAG, "Skipping stage " + name + ".");
        session.advance();
        return;
      }
    } catch (MetaGlobalException.MetaGlobalMalformedSyncIDException e) {
      // Bad engine syncID. This should never happen. Wipe the server.
      try {
        session.updateMetaGlobalWith(
            name, new EngineSettings(Utils.generateGuid(), this.getStorageVersion()));
        Logger.info(
            LOG_TAG, "Wiping server because malformed engine sync ID was found in meta/global.");
        wipeServer();
        Logger.info(LOG_TAG, "Wiped server after malformed engine sync ID found in meta/global.");
      } catch (Exception ex) {
        session.abort(
            ex, "Failed to wipe server after malformed engine sync ID found in meta/global.");
      }
    } catch (MetaGlobalException.MetaGlobalMalformedVersionException e) {
      // Bad engine version. This should never happen. Wipe the server.
      try {
        session.updateMetaGlobalWith(
            name, new EngineSettings(Utils.generateGuid(), this.getStorageVersion()));
        Logger.info(
            LOG_TAG, "Wiping server because malformed engine version was found in meta/global.");
        wipeServer();
        Logger.info(LOG_TAG, "Wiped server after malformed engine version found in meta/global.");
      } catch (Exception ex) {
        session.abort(
            ex, "Failed to wipe server after malformed engine version found in meta/global.");
      }
    } catch (MetaGlobalException.MetaGlobalStaleClientSyncIDException e) {
      // Our syncID is wrong. Reset client and take the server syncID.
      Logger.warn(
          LOG_TAG,
          "Remote engine syncID different from local engine syncID:"
              + " resetting local engine and assuming remote engine syncID.");
      this.resetLocal(e.serverSyncID);
    } catch (MetaGlobalException e) {
      session.abort(e, "Inappropriate meta/global; refusing to execute " + name + " stage.");
      return;
    }

    Synchronizer synchronizer;
    try {
      synchronizer = this.getConfiguredSynchronizer(session);
    } catch (NoCollectionKeysSetException e) {
      session.abort(e, "No CollectionKeys.");
      return;
    } catch (URISyntaxException e) {
      session.abort(e, "Invalid URI syntax for server repository.");
      return;
    } catch (NonObjectJSONException e) {
      session.abort(e, "Invalid persisted JSON for config.");
      return;
    } catch (IOException e) {
      session.abort(e, "Invalid persisted JSON for config.");
      return;
    } catch (ParseException e) {
      session.abort(e, "Invalid persisted JSON for config.");
      return;
    }

    Logger.debug(LOG_TAG, "Invoking synchronizer.");
    synchronizer.synchronize(session.getContext(), this);
    Logger.debug(LOG_TAG, "Reached end of execute.");
  }