Since Toni confirms me even before I post this on the list: Using the Verifier way to get at a column from some spreadsheet is not for the faint at heart. In addition to what Toni wrote: source code in the Drools AST corner isn't even commented. -W
2011/10/4 Toni Rikkola <toni.rikk...@gmail.com> > If you take a look at the Verifier it goes through the Drools AST with a > visitor pattern. > It starts by using getting the PackageDescr using DrlParser, this uses > Drools internals so be warned that it might change in the future. > > Reader drlReader = new InputStreamReader( stream ); > PackageDescr descr = new DrlParser().parse( drlReader ); > > After that it goes through the PackageDescr > using PackageDescrVisitor. RuleDescrVisitor shows how to get the condition > part from each rule. > > > https://github.com/droolsjbpm/drools/blob/master/drools-verifier/src/main/java/org/drools/verifier/visitor/PackageDescrVisitor.java > > https://github.com/droolsjbpm/drools/blob/master/drools-verifier/src/main/java/org/drools/verifier/visitor/RuleDescrVisitor.java > > Toni > > > On Oct 3, 2011, at 8:11 PM, Mark Proctor wrote: > > On 03/10/2011 18:03, Wolfgang Laun wrote: > > A condition does not have a "name", as you write; values of the cells > > below a condition are (usually) literals. > > > There is no API for extracting parts of a spreadsheet. You can look at > > the Drools source code (in the packages org.drools.decisiontable and > > .../parser) and write whatever you need - it is not too difficult. > > You can also look at drools-verifier, as that shows ho to analyse > resulting rule fragments. > > Mark > > > -W > > > > On 3 October 2011 17:05, RaviCKota<ravi.k...@wellsfargo.com> wrote: > > Hi All, for suppose I have a DecisionTable like below > > > CONDITION ACTION > > ----------------------------- > > COND1 ACTION1 > > COND2 ACTION2 > > COND3 ACTION3 > > ----------------------------- > > > This is just a representation of the DecisionTable. So I need to retrieve > > all the conditions and store them into a Collection like Set. Does Drools > > provide any such feature. > > > We load the drools as below > > PackageBuilder builder = new PackageBuilder(); > > builder.addPackageFromDrl(new StringReader(drl)); //drl is the filepath of > > decisiontable excel > > > // add the package to a rulebase (deploy the rule package). > > RuleBase ruleBase = RuleBaseFactory.newRuleBase(); > > ruleBase.addPackage(builder.getPackage()); > > > I tried to look into api of RuleBase, tried to get the packages, Rules, > > Consequence, etc etc, but could not find any method, that gets me the > > condition name. > > > When I tried to do > > Package[] packages = rulebase.getPackages(); > > > for(Package pack : packages){ > > System.out.println("Package Name is : "+pack.getName()); > > Rule[] rules = pack.getRules(); > > for(Rule rule : rules){ > > System.out.println("Rule name is : "+rule.getName()); > > > All I get is some representation of each row, but I'm specifically looking > > for the value of the first column (CONDITION) for each rule. > > > Please offer some guidance here. > > > -- > > View this message in context: > http://drools.46999.n3.nabble.com/Is-it-possible-to-retrieve-the-collection-of-Conditions-from-DecisionTable-tp3390026p3390026.html > > Sent from the Drools: User forum mailing list archive at Nabble.com. > > _______________________________________________ > > rules-users mailing list > > rules-users@lists.jboss.org > > https://lists.jboss.org/mailman/listinfo/rules-users > > > _______________________________________________ > > rules-users mailing list > > rules-users@lists.jboss.org > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > >
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