when Map( this["type"] == "Point", $x : this["x"] ) Map( this["type"] == "Circle", x == $x ) then end
2009/8/19 André Thieme <address.good.until.2009.dec...@justmail.de> > Edson Tirelli schrieb: > > > when > > Customer( $custId : id ) > > DailyOrders( count[$custId] == 1 ) > > then > > Btw, this brings me to a new syntax question for the default Drools rule > syntax. Is this possible: > > when > m:Map() > eval( m.get("type") == "Point", $x : m.get("x") ) > ... > Circle( x == $x ) > then > ... > > > or, an alternative which may be clearer: > > when > m:Map() > eval( m.get("type") == "Point" ) > $x : m.get("x") > ... > then > ... > > So, what I would like to have is: > 1) looking at all Maps which have the value "Point" under the key "type" > 2) of all those Maps: store in a var what value they have under key "x" > 3) reuse the var, here $x instead of having an expensive lookup over and > over again. > > Is that possible? Or would I have to write my example above as > ... > c:Circle() > eval(c.getX() == m.get("x")) > > > André > -- > Lisp is not dead. It’s just the URL that has changed: > http://clojure.org/ > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > -- Edson Tirelli JBoss Drools Core Development JBoss by Red Hat @ www.jboss.com
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