Twitter-User Contributor-Algorithm

ContributorSession.java

actAsContributor(previousSession) {
  
  r = Random(0, 1)
  currentSession = null
    
  if (r <= 0.7 && previousSessions != Sessions.ScrollTimeline) {
    currentSession = Sessions.ScrollTimeline
    scrollTimelineSession()
  } else if (r <= 0.9 && previousSessions != Sessions.Posting) {
    currentSession = Sessions.Posting
    postingSession()
  } else if (r <= 1 && previousSessions != Sessions.Follow) {
    currentSession = Sessions.Follow
    followSession()
  }
  
  if (Random(0, 1) <= 0.3) {
    // sometimes we want to immediately append another session
    actAsContributor(currentSession)
  }
  
  // might be of interest at some later point
  //   if (Random(0, 1) <= 0.1) {
  //     browseTrends()
  //   }
  //   if (Random(0, 1) <= 0.05) {
  //     editOwnProfile()
  //   }
  //   if (Random(0, 1) <= 0.02) {
  //     sendMessageToFriend()
  //   }
}