Rule definition introspection
by GPatel＠tsys.com
Is it possible to self-introspect the rule definition?
For example:
when
$redCar : Car(color == 'red')
then
System.out.println("a red car exists");
Is it possible to know that the above rule uses the Car fact and the
Car.color attribute?
Thanks
G. Patel
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13 years, 10 months
Rule File Not Found in an OSGi environment
by jjmartinez
Hello all,
I develop an OSGi Drools bundle in Apache Felix. I access to this bundle
with a web service client because I use Apache CXF- DOSGi. Everything is
right here.
But when I try to run this bunle with my client, I get a
FileNotFoundException when I call to the services that I want to use.
This is the error trace:
*java.lang.RuntimeException: java.io.FileNotFoundException: 'RuleFile.drl' c
annot be opened because it does not exist
at
org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilde
r.java:544)
at
org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl
.java:28)
at
drools.services.impl.DroolsServicesImpl.readKnowledgeBase(DroolsServi
cesImpl.java:110)...
*
The rule file is in the same classpath, and it is inside the .jar file
Somebody can help me??
Thanks in advance!!
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13 years, 10 months
Variable name guidelines?
by Dave
Hello,
Is there a write up of what the naming rules are for drools variables such as when naming globals? For example, can't begin with a number and so on?
Thank you
13 years, 10 months
Guvnor 5.4.0 beta and Authentication
by Amin Mohammed-Coleman
Hi
I am looking at Guvnor and trying to enable authentication using JAAS however I'm struggling to get this working. Is there a full example of what I need to update in beans.xml? I am using JBoss AS 7 to deploy Guvnor.
Any help would be appreciated.
Thanks
Amin
13 years, 10 months
Re: [rules-users] logical insertion
by FrankVhh
Hi,
Assuming you are complaining about not being able to logical insert a object
from Java code, let me try to explain.
The problem is that your understanding of logicalInsert is not quite
correct. You can only call logicalInsert from within a rule consequence. The
inserted object will remain in working memory for as long as the "inserting
rule" holds true.
Therefore, it does not make sense to call logicalInsert from your Java
program.
Regards,
Frank
albertorugnone wrote
>
> Hi to every body.
> It is my first post here, and obviously I suppose it will be a silly
> question.
> I am using a StatefullQuestion but I can't insert logically any fact,
> because there is only insert as method and not insertLogical (There is
> instead in working memory). How I can do?
> My understanding about logical insertion is that after a certain amount of
> time (how much?) a fact will be automatically retract. Is it correct?
>
> Thank you in advance for your answer.
> Alberto
>
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13 years, 10 months
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13 years, 10 months
ACM DEBS 2012- Second Call for Papers
by Adrian Paschke
=====================================================================
DEBS2012
6th ACM International Conference on Distributed Event-Based Systems
July 16-20, 2012
Freie Universitaet Berlin, Berlin, Germany
http://www.csw.inf.fu-berlin.de/debs2012
=====================================================================
The objectives of the 6th ACM International Conference on Distributed
Event-Based Systems (DEBS) are to provide a forum dedicated to the
dissemination of original research, the discussion of practical insights,
and the reporting of relevant experience relating to event-based computing
that was previously scattered across several scientific and professional
communities. The conference also aims at providing a forum for academia and
industry to exchange ideas, for example, through industry papers and demo
papers.
DEBS 2012 Tracks
================
The conference will consist of the following tracks:
- Research track featuring high quality research paper on relevant topics.
- Industry track with two sub-tracks: industry full papers and industry
experience reports.
- Tutorials geared towards either the research or the industrial
communities.
- Demos and posters.
- The DEBS 2012 Grand Challenge is a problem solving competition for
commercial and research event-based systems.
- Gong show: The gong show will consist of short presentations about
visionary and outrageous ideas towards the next generation of event-based
systems. The audience will vote for the best idea.
- Doctoral workshop
Important Dates
=======================
- Abstract submission for research and Industry papers and Industry
experience reports: February 27, 2012
- Grand Challenge participation intent (non-binding): February 27, 2012
- Research, Industry and Tutorial papers submission, and (optional) Industry
experience report submission: March 5, 2012
- Grand Challenge problem description: March 7, 2012
- Author notification for tutorials, research and Industry papers, and
Industry experience reports: April 30, 2012
- Poster and demo submission: May 2, 2012
- Grand Challenge Solutions including 4 page papers: May 2, 2012
- Doctoral Workshop submission: May 2, 2012
- Grand Challenge abstracts: May 2, 2012
- Author notification for poster, demo, Challenge, PhD papers: May 16, 2012
- Conference: July 16-20, 2012
Paper Submission
=======================
Submissions will be accepted in the following tracks:
Research track;
Industry track;
Tutorials Track;
Demos& Posters;
Grand Challenge;
Doctoral Workshop.
All submissions must be original and unpublished. Accepted papers will be
published by ACM and disseminated through the ACM Digital Library.
More information about the tracks and submission information can be found on
the DEBS 2012 website:
http://www.csw.inf.fu-berlin.de/debs2012/calls.html
Scope of the Conference
=======================
The topics addressed by the conference include (but are not
limited to):
Models, Architectures and Paradigms
- Event-driven architectures
- Basic interaction models
- Event algebras, event schemas and type systems
- Languages for event correlation and patterns, streaming and continuous
queries, data fusion
- Models for static and dynamic environments
- Complex event processing
- Design and programming methodologies
- Event-based business process management and modeling
- Experimental methodologies
- Performance modeling and prediction based on analytic approaches
- Functional Reactive Programming
Middleware Infrastructures for Event-Based Computing
- Federated event-based systems
- Middleware for actuator and sensor networks
- Algorithms and protocols
- Optimization techniques for event-based (or streaming) systems
- Event dissemination based on p2p systems
- Context and location awareness
- Fault-tolerance, reliability, availability, and recovery
- Security issues
- (Self-)Management
- Mobility and resource constrained device support
- Streaming queries, transformations, or correlation engines
- Logic-based event processing
- Semantic event processing
- Business Process Management with events
Applications, Experiences, and Requirements
- Use cases and applications of event-based systems
- Real-world application deployments using event-based middleware
- Domain-specific deployments of event-based systems
- Real-world data characterizing event-based applications
- Benchmarks, performance evaluations, and testbeds
- Application requirements for next-generation event-based solutions
- Relation to other architectures
- Enterprise application integration
- Event-driven business process management
- Information logistics
- Seamless integration of event-based mechanisms into middleware platforms
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13 years, 10 months
