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Topics
Lance edited this page May 7, 2013
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Topics are made up of segments separated by /. Topics must start with / and can end with a wildcard.
It is possible to match several topics at once using wildcards. A topic pattern ending with /* has the meaning of matching a single topic segment. Patterns ending with /** will match all trailing topic segments.
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/chat/*will match/chat/carsand/chat/dogsbut will not match/chat/cars/bmworchat/dogs/poodle -
/chat/**will match/chat/cars,/chat/cars/bmwandchat/dogs/poodle -
/**will match all topics
Under the hood, a topic is a grouping of CometD channels. This abstraction allows multiple PushTargets to subscribe to the same topic but apply different actions and formatting to the messages.