As with all Listeners in Java, you write a class implementing the methods defined by the interface. The parameter types tell you about what is passed to the respective call.
class Foo implements KnowledgeBaseEventListener { public void afterRuleAdded(AfterRuleAddedEvent event){ if( "WatchedPackage".equals( event.getRule().getPackageName() ){ } } //... } A new Foo is attached to the kSession object - that's all. -W 2012/3/1 Jian Feng Ng <jn...@csc.com>: > I saw many interfaces, but the problem is I do not know how to 'use' them. > Is there a tutorial or example codes somewhere? > > > > -----rules-users-boun...@lists.jboss.org wrote: ----- > > To: Rules Users List <rules-users@lists.jboss.org> > From: Wolfgang Laun > Sent by: rules-users-boun...@lists.jboss.org > Date: 03/01/2012 04:38PM > Subject: Re: [rules-users] Adding change/event listener to package > > See the javadoc on a lot of interfaces in org.drools.event.knowledgebase. > The expert manual has a section on the "Event Model" showing how to attach a > listener to the knowledge session (not a package). > -W > > > > 2012/3/1 Jian Feng Ng <jn...@csc.com> >> >> I wish to add a listener to a package, so that my application can do >> something else when there is any creation or deletion of rules in the >> package. May I know how can I do this? >> >> _______________________________________________ >> 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 > > > > CSC • Please consider the environment before printing this e-mail. > > This is a PRIVATE message. If you are not the intended recipient, please > delete without copying and kindly advise us by e-mail of the mistake in > delivery. NOTE: Regardless of content, this e-mail shall not operate to bind > CSC to any order or other contract unless pursuant to explicit written > agreement or government initiative expressly permitting the use of e-mail > for such purpose • CSC Technology Singapore Pte. Ltd. • Registered Office: > 20 Anson Road, #11-01 Twenty Anson Singapore 079912 • Registered in > Singapore No: 198400958N > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >
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