Examples of com.google.livingstories.server.dataservices.entities.UserEntity

Package com.google.livingstories.server.dataservices.entities

Examples of com.google.livingstories.server.dataservices.entities.UserEntity

com.google.livingstories.server.dataservices.entities.UserEntity
Service for saving information related to the signed-in user and their status on various living story pages such as the last time they visited a page, etc. We will use the Google Account as the identifier for a user. The appengine documentation cautions that while storing the User object returned by the Google Accounts API is supported, they may not behave as stable identifiers. If a user changes their Google Account email address, the identifier changes. However, no other unique user ID beyond the email address is exposed at this point. Currently, this class only stores the last time a user visited a Living Story Page. In the future, other data might be stored such as which stories they clicked on, etc.

    return entity == null ? 0 : entity.getVisitCount();
  }


  @Override
  public synchronized FilterSpec getDefaultStoryView(String userId) {
    UserEntity userEntity = retrieveUserEntity(userId);
    if (userEntity == null) {
      return null;
    } else {
      String defaultStoryView = userEntity.getDefaultLspView();
      return defaultStoryView == null ? null : new FilterSpec(defaultStoryView);
    }
  }

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  @Override
  public synchronized void setDefaultStoryView(String userId, FilterSpec defaultView) {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    try { 
      UserEntity userInfo = pm.getObjectById(UserEntity.class, createKey(userId));
      userInfo.setDefaultLspView(defaultView.getFilterParams());
      pm.makePersistent(userInfo);
    } catch (JDOObjectNotFoundException e) {
      UserEntity userInfo = new UserEntity();
      userInfo.setEmailAddress(userId);
      userInfo.setDefaultLspView(defaultView.getFilterParams());
      pm.makePersistent(userInfo);
    } finally {
      pm.close();
    }
  }

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   * the data for all its child objects so that it can be accessed.
   */
  private UserEntity retrieveUserEntity(String userEmail) {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    try {
      UserEntity userInfo = pm.getObjectById(UserEntity.class, createKey(userEmail));
      // This step is needed to fetch the data for the child objects
      pm.retrieve(userInfo);
      return userInfo;
    } catch (JDOObjectNotFoundException e) {
      return null;

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   * persist it to the database. 
   */
  private UserEntity createNewUserEntity(String userEmail) {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    try {
      UserEntity userInfo = new UserEntity();
      userInfo.setEmailAddress(userEmail);
      pm.makePersistent(userInfo);
      return userInfo;
    } finally {
      pm.close();
    }

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com.google.livingstories.server.dataservices.impl.UserDataServiceImpl

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