Java Code Examples for com.googlecode.objectify.Key#getId()

public static VKey<OneTime> createVKey(Key<OneTime> key) {
  // TODO(b/159207551): As it stands, the SQL key generated here doesn't mesh with the primary
  // key type for the table, which is a single long integer.
  if (key == null) {
    return null;
  }
  Key parent = key.getParent();
  Key grandparent = (parent != null) ? parent.getParent() : null;
  String path =
      (grandparent != null ? grandparent.getName() : "")
          + "/"
          + (parent != null ? parent.getId() : "")
          + "/"
          + key.getId();
  return VKey.create(OneTime.class, path, key);
}
 

public static VKey<PollMessage> createVKey(Key<PollMessage> key) {
  // TODO(b/159207551): As it stands, the SQL key generated here doesn't mesh with the primary key
  // type for the table, which is a single long integer.  Also note that the class id is not
  // correct here and as such the resulting key will not be loadable from SQL.
  if (key == null) {
    return null;
  }
  String path =
      key.getParent().getParent().getName() + "/" + key.getParent().getId() + key.getId();
  return VKey.create(PollMessage.class, path, key);
}
 

public static VKey<Recurring> createVKey(Key<Recurring> key) {
  // TODO(b/159207551): As it stands, the SQL key generated here doesn't mesh with the primary
  // key type for the table, which is a single long integer.
  if (key == null) {
    return null;
  }
  String path =
      key.getParent().getParent().getName() + "/" + key.getParent().getId() + "/" + key.getId();
  return VKey.create(Recurring.class, path, key);
}
 

public static VKey<Cancellation> createVKey(Key<Cancellation> key) {
  // TODO(b/159207551): As it stands, the SQL key generated here doesn't mesh with the primary
  // key type for the table, which is a single long integer.
  if (key == null) {
    return null;
  }
  String path =
      key.getParent().getParent().getName() + "/" + key.getParent().getId() + "/" + key.getId();
  return VKey.create(Cancellation.class, path, key);
}
 

public static VKey<Modification> createVKey(Key<Modification> key) {
  // TODO(b/159207551): As it stands, the SQL key generated here doesn't mesh with the primary
  // key type for the table, which is a single long integer.
  if (key == null) {
    return null;
  }
  String path =
      key.getParent().getParent().getName() + "/" + key.getParent().getId() + "/" + key.getId();
  return VKey.create(Modification.class, path, key);
}
 

private long registerEmailNotification(EmailConfig email, boolean success) {
  EmailNotification emailNotification = new EmailNotification();
  emailNotification.setRecipients(Arrays.asList(email.getTo()));
  emailNotification.setReason(email.getReason());
  emailNotification.setTimestampSend(new Date());
  emailNotification.setEmailStatus(success ? "SUCCESS" : "FAILURE");

  Key<EmailNotification> key = emailNotificationDao.add(emailNotification);
  return key.getId();
}
 

/** Returns the commit time encoded into a CommitLogManifest key. */
public static DateTime extractCommitTime(Key<CommitLogManifest> manifestKey) {
  return new DateTime(manifestKey.getId(), UTC);
}
 

/**
 * Creates a new Conference object and stores it to the datastore.
 *
 * @param user A user who invokes this method, null when the user is not signed in.
 * @param conferenceForm A ConferenceForm object representing user's inputs.
 * @return A newly created Conference Object.
 * @throws UnauthorizedException when the user is not signed in.
 */
@ApiMethod(name = "createConference", path = "conference", httpMethod = HttpMethod.POST)
public Conference createConference(final User user, final ConferenceForm conferenceForm)
    throws UnauthorizedException {
    if (user == null) {
        throw new UnauthorizedException("Authorization required");
    }

    // TODO (Lesson 4)
    // Get the userId of the logged in User
    String userId = user.getUserId();

    // TODO (Lesson 4)
    // Get the key for the User's Profile
    Key<Profile> profileKey = Key.create(Profile.class, userId);

    // TODO (Lesson 4)
    // Allocate a key for the conference -- let App Engine allocate the ID
    // Don't forget to include the parent Profile in the allocated ID
    final Key<Conference> conferenceKey = factory().allocateId(profileKey, Conference.class);

    // TODO (Lesson 4)
    // Get the Conference Id from the Key
    final long conferenceId = conferenceKey.getId();

    // TODO (Lesson 4)
    // Get the existing Profile entity for the current user if there is one
    // Otherwise create a new Profile entity with default values
    Profile profile = getProfileFromUser(user);

    // TODO (Lesson 4)
    // Create a new Conference Entity, specifying the user's Profile entity
    // as the parent of the conference
    Conference conference = new Conference(conferenceId, userId, conferenceForm);

    // TODO (Lesson 4)
    // Save Conference and Profile Entities
     ofy().save().entities(conference, profile).now();

     return conference;
     }