ooops... correct version: when Map( this["type"] == "Point", $x : this["x"] ) Map( this["type"] == "Circle", this["x"] == $x ) then end
2009/8/19 Edson Tirelli <tire...@post.com> > > 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 > -- Edson Tirelli JBoss Drools Core Development JBoss by Red Hat @ www.jboss.com
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