Re: [rules-dev] Decision table - Otherwise

I bet Edson can't wait to refactor the parser for that ;) On 31 March 2011 21:11, Mark Proctor <mproctor(a)codehaus.org&gt; wrote: > on a related note I do plan to add OTHERWISE support at a DRL level, just > no time to do it right now. Once it's supported at a DRL level, you won't > need to as much work on figuring out the inverse options etc. > > Mark > > On 31/03/2011 20:25, Michael Anstis wrote: > > Hi, > > I'm adding support for "otherwise" to (for the time being) the guided > decision table in Guvnor. > > The idea being if you set a cell to represent "otherwise" the generated > rule is the opposite of the accumulation of the other cells; perhaps best > explained with an example:- > > Person( name == ) > Mark > Kris > Geoffrey > <otherwise> > > This would generate:- > > Person(name not in ("Mark", "Kris", "Geoffrey") > > Equals is the simple example, this is my thoughts for the other operators > we might like to support:- > > - != becomes "in (<list of the other cells' values)" > - < becomes ">= the maximum value of the other cells' values > > > For example:- > > Person ( age < ) > 10 > 20 > 30 > <otherwise> > > Person ( age >= 30 ) > > > - <= becomes "> the maximum value of the other cells' values > - > becomes "<= the minimum value of the other cells' values > - >= becomes "< the minimum value of the other cells' values > - "in" becomes "not in (<a list of all values contained in all the > other cells' lists of values>)" > > For example:- > > Person ( name in ) > Jim, Jack > Lisa, Jane, Paul > <otherwise> > > Person ( name not in ("Jim", "Jack", "Lisa", "Jane", "Paul" ) ) > > > - I'm not sure there is a simple solution for "matches" and > "soundslike" but welcome advice, although a possibility might be to create a > compound field constraint:- > > Person ( name soundslike ) > Fred > Phil > > not Person ( name soundslike "Fred" || soundslike "Phil" ) > > > Would this be considered the most suitable approach? > > Inputs and thoughts welcome. > > Thanks, > > Mike > > > _______________________________________________ > rules-dev mailing listrules-dev@lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-dev > > > > _______________________________________________ > rules-dev mailing list > rules-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-dev > > _______________________________________________ rules-dev mailing list rules-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-dev