Interface UserSubscriptionService

All Known Implementing Classes:
InMemoryUserSubscriptionService

public interface UserSubscriptionService
The user subscription service that can be used to query and update user subscriptions.
Author:
Filip Hrisafov
  • Method Summary

    Modifier and Type
    Method
    Description
    Find all the user(s) that have the user with userId in their subscriptions
    void
    subscribe(String userId, String sessionId, Collection<String> userIds)
    Subscribe the user with userId in the session sessionId to the users with userIds.
    void
    unSubscribe(String userId, String sessionId)
    Remove the subscription for the user with the given id and the given session.
  • Method Details

    • subscribe

      void subscribe(String userId, String sessionId, Collection<String> userIds)
      Subscribe the user with userId in the session sessionId to the users with userIds. If a subscription already exists then the existing user ids are replaced with the passed userIds
      Parameters:
      userId - the id of the user to which the subscription belongs to
      sessionId - the id of the session in which the user is subscribed to
      userIds - the ids of all the users that the user is subscribed to
    • unSubscribe

      void unSubscribe(String userId, String sessionId)
      Remove the subscription for the user with the given id and the given session.
      Parameters:
      userId - the id of the user that is being un-subscribed
      sessionId - the id of the session that is being un-subscribed
    • findSubscriptionsTo

      Collection<String> findSubscriptionsTo(String userId)
      Find all the user(s) that have the user with userId in their subscriptions
      Parameters:
      userId - the id of the user
      Returns:
      all the user(s) that have the user with userId in their subscriptions