Note that if you're smart about naming your topics, you can use wildcards. eg: if user1 subscribes to /games/game1/user1 and user2 subscribes to /games/game1/user2 you can send a message to both users by publishing to /games/game1/* or you can send a message to all game users via /games/**
https://github.com/uklance/tapestry-cometd/wiki/Topics On 5 September 2013 18:12, Lance Java <lance.j...@googlemail.com> wrote: > If you need to target individual users then you will definitely need a > topic per user. For game global messages you may decide to use a game > topic, or you probably know the users in a game and just send a message to > each user topic. >