ECAL - Event Condition Action Language -- ECAL is a language to create rule based system which react to events provided that a defined condition holds: Event -> Condition -> Action Rules are defined as event sinks and have the following form: sink "mysink" " A comment describing the sink. " kindmatch [ "foo", a.b.bar ], scopematch [ "data.read", "data.write" ], statematch { a : 1, b : NULL }, priority 0, suppresses [ "myothersink" ] { }