Using groovy classes as Fact Classes in Guvnor
by leesy84
Hi
I am currently trying to implement Drools 5.0.CR1 with grails, I have
created a couple of domain classes which are simple Groovy classes with a
couple of fields. I want to load these classes as my model into Guvnor and
then create rules using those classes. I am having a few problems when
"Saving and Validating" my configuration. I have a war file that is
generated using maven and it has my classes files inside it in
/WEB-INF/classes/ . I load the war as my model and the classes are shown on
the packages main page but the following error is given when pressing "Save
and Validate configuration"
[ERR 102] Line 1:10 mismatched input '-'
I have also tried using groovyc to compile my class files then jar'ing them
up and loading that as the model but got another error:-
java.lang.ClassNotFoundException: groovy.lang.GroovyObject
I was wondering if it is possible to use groovy compiled class files and if
it is then does anyone know what my issue might be or how it is meant to be
done correctly.
Thanks in advance for any help
Daniel Lees
--
View this message in context: http://www.nabble.com/Using-groovy-classes-as-Fact-Classes-in-Guvnor-tp23...
Sent from the drools - user mailing list archive at Nabble.com.
17 years
2nd CFP RuleML-2009 - 3rd International Symposium on Rules, Applications and Interoperability
by Adrian Paschke
-----------------------------------------------------------------------
Our apologies if you receive duplicates of this posting.
Please feel free to distribute it to those who might be interested.
-----------------------------------------------------------------------
Call for Papers
RuleML 2009
3rd International Symposium on Rules, Applications and Interoperability
November 5-7 2009, Las Vegas, Nevada, USA
http://2009.ruleml.org/
****************************************************************************
*Latest news *
*Student grants of the value of up to $1000 plus free registration *
*Keynote by Sandro Hawke, W3C RIF Contact - The Future of Rule Interchange*
*Prestigious prizes and new categories in the RuleML Challenge *
****************************************************************************
Sponsored by
============================================================================
Franz Inc
NICTA (National ICT Australia) Ltd
Corporate Semantic Web
Logic Programming Associated Ltd
Modelsystems Ltd
ruleCore
============================================================================
Overview and Aim
============================================================================
The International Symposium on Rules, Applications and Interoperability has
evolved from an annual series of international workshops since 2002,
international conferences in 2005 and 2006, and international symposia since
2007. This year, the 3rd International Symposium on Rules, Applications and
Interoperability (RuleML-2009) takes place in Las Vegas, Nevada, USA,
collocated with the 12th Business Rules Forum, the world's largest Business
Rules event. RuleML-2009 is devoted to practical distributed rule
Technologies and rule-based applications which need language standards for
Rules (inter)operating in, e.g., the Semantic Web, Multi-Agent Systems,
Event-Driven Architectures, and Service-Oriented Applications.
The main goal of RuleML-2009 is to stimulate the cooperation and
interoperability between business and research, by bringing together rule
system providers, participants in rule standardization efforts, open source
communities, practitioners, and researchers. The concept of the symposium
has also advanced continuously in the face of extremely rapid progress in
practical rule and event processing technologies. As a result, RuleML-2009
will feature hands-on demonstrations and challenges alongside a wide range
of thematic tracks, and thus will be an exciting venue to exchange new
ideas and experiences on all issues related to the engineering, management,
integration, interoperation and interchange of rules in open distributed
environments such as the Web.
Conference Theme
============================================================================
This year, we particularly welcome submissions that address applications of
Web rule technologies for business and information systems. We invite you to
share your ideas, results, and experiences: as an industry practitioner,
rule system provider, technical expert and developer, rule user or
researcher, exploring foundations, developing systems and applications,
or using rule-based systems. We invite high-quality submissions related to
(but not limited to) one or more of the following topics:
Track Topics
----------------------------------------------------------------------------
Rule Transformation and Extraction
- Transformation and extraction with rule standards, such as SBVR, RIF and
OCL
- Extraction of rules from code
- Transformation and extraction in the context of frameworks such as KDM
(Knowledge Discovery meta-model)
- Extraction of rules from natural language
- Transformation or rules from one dialect into another
Rules and Uncertainty
- Languages for the formalization of uncertainty rules
- Probabilistic, fuzzy and other rule frameworks for reasoning with
uncertain or incomplete information
- Handling inconsistent or disparate rules using uncertainty
- Uncertainty extensions of event processing rules, business rules,
reactive rules, causal rules, derivation rules, association rules,
or transformation rules
Rules and Norms
- Methodologies for modeling regulations using both ontologies and rules
- Defeasibility: modeling rule exceptions and priority relations among
rules
- The relationship between rules and legal argumentation schemes
- Rule language requirements for the "isomorphic" modeling of legislation
- Rule based inference mechanism for legal reasoning
- E-contracting and automated negotiations with rule-based declarative
strategies
Rule-based Game AI
- Rule-based movement, decision making, strategies, behavior design
- Rule-based environmental programming, virtual reality
- Rules for multi-agent/character games
- Rules for serious games
- Rule-based agent design
Rule-based Event Processing and Reaction Rules
- Reaction rule languages and engines (production rules, ECA rules, logic
event action formalisms, vocabularies/ontologies)
- State management approaches and frameworks
- Concurrency control and scalability
- Event and action definition, detection, consumption, termination,
lifecycle management
- Dynamic rule-based workflows and intelligent event processing
(rule-based CEP)
- Non-functional requirements, use of annotations, metadata to capture
those
- Design time and execution time aspects of rule-based (Semantic) Business
Processes Modeling and Management
- Practical and business aspects of rule-based (Semantic) Business Process
Management (business scenarios, case studies, use cases etc.)
Rules and Cross Industry Standards
- Rules in Current Industry Standards, including:
- XBRL: Extensible Business Reporting Language
- MISMO: Mortgage Industry Standards Maintenance Org
- FIXatdl: FIX Algorithmic Trading Definition Language
- FpML: Financial products Markup Language
- HL7: Health Level 7
- Acord: Association for Cooperative Operations Research and Development
(Insurance Industry)
- Rules for Governance, Risk, & Compliance (GRC), e.g., rules for internal
audit, SOX compliance, enterprise risk management (ERM), operational
risk, etc
- Rules and Corporate Actions
General Rule Topics
- Rules and ontologies
- Execution models, rule engines, and environments
- From rules to FOL to modal logics
- Rule-based reasoning with non-monotonic negation, modalities, deontic,
temporal, priority, scoped or other rule qualification
- Rule-based default reasoning with default logic, defeasible logic, and
answer set programming
- Graphical processing, modelling and rendering of rules
- Rules in Semantic Web Technologies(SW), Artificial Intelligence (AI),
Business Process Modeling (BPM), Cloud Computing (CC),
Intelligent Agents, Model-Driven Architecture (MDA),
Software Engineering (SE), Unified Modeling Language (UML),
e-Learning, e-Commerce, ...
- Miscellaneous rule topics
Case studies, experience reports, and industrial problem statements are
particularly encouraged.
RuleML-2009 Challenge
============================================================================
The RuleML-2009 Demo Challenge is one of the highlights of RuleML-2009. We
invite submissions of demos where rules are used in interesting and
practically relevant ways to, e.g., derive useful information, transform
knowledge, provide decision support and provide automated rule-based
monitoring, enforcement, validation or management of the behavioural logic
of the application. The Challenge offers participants the chance to
demonstrate their commercial and open source tools, use cases, and
applications. Submissions are solicited in these categories:
- Benchmarks (test cases, suites) with evaluations of (their own, other)
rule engines and/or rule translators, possibly drawing on our growing
pool at http://ruleml-challenge.cs.nccu.edu.tw
- Case studies (use cases) implemented via engines/translators employing
rule standards such as RIF, RuleML, CLIPS, Common Logic, SBVR, and ISO
Prolog.
We welcome all demos about tools and applications using rules such as:
- Derivation rules, including query and integrity rules
- ECA rules, including production rules, reaction rules, and rule-based
CEP languages
Authors of demo are also invited to submit a Challenge demo paper for
publications in the conference proceedings, see the submission section below
for submission details.
Prizes will be awarded to the two best applications from each category. All
accepted demos will be presented in a special Challenge Session. A
submission to the RuleML Challenge has to meet the requirement that
declarative rules explicitly play a central role in the application.
Basically this means that:
Rules are explicitly represented in a declarative format and they are
decoupled from the application (rather than being compiled or hard-coded
into the application logic). The demo should preferably (but not
necessarily)
be embedded into a web-based or distributed environment so that there will
be a need for features related to the RuleML conference topics, as listed
in the call for papers. For more details and the demo site web link please
consult the RuleML-2009 Challenge website:
http://ruleml-challenge.cs.nccu.edu.tw
Student Grant Awards
============================================================================
Two travel grants are available to students who are authors or co-authors of
papers or demos accepted for presentation at the symposium. The grants
include free registration and cover travel expenses up to 1000 dollars.
Conference Language
============================================================================
The official language of the conference will be English.
Submission
============================================================================
Authors are invited to submit original contributions of practical relevance
and technical rigor in the field, experience reports and show case/use case
demonstrations of effective, practical, deployable rule-based technologies
or applications in distributed environments. Papers must be in English and
may be submitted at
http://www.easychair.org/conferences/?conf=ruleml2009
as:
Full Papers (15 pages in the proceedings)
Short Papers (8 pages in the proceedings)
RuleML-2009 Challenge Demo Paper + Show Cases (3-5 pages in the proceedings)
Please upload all submissions as PDF files in LNCS format
(http://www.springer.de/comp/lncs/authors.html). To ensure high quality,
submitted papers will be carefully peer-reviewed by 3 PC members based on
originality, significance, technical soundness, and clarity of exposition.
Authors are requested to upload the abstracts of their papers before June 9,
2009 and to upload their complete papers by June 16, 2009. The selected
Papers will be published in book form in the Springer Lecture Notes in
Computer Science (LNCS) series along with a CD with demo software and
documents. The best paper from all submissions will be determined by the PC
and
a Best Paper Award will be handed over at the Symposium by a Sponsor. All
submissions must be done electronically. A selection of revised papers will
be
resubmitted to a special issue of a journal.
Submissions to the RuleML Challenge 2009 consist of a demo paper of 3-5
pages, describing the demo show case, and a link to more information about
the
demo/show case, e.g. a project site, an online demonstration, a presentation
about the demonstration, or a download site for the demonstration. In case
of product demos, the link can be password-protected: please submit a
password for anonymous login from any Web browser, giving us the permission
to pass the password on to 3 PC members. The submissions should satisfy the
minimal requirements defined in the topics of interest and preferably
exhibit
some of the additional desiderata. The more desiderata are met by an
application, the higher the score will be. The demos will be evaluated by
the
RuleML-2009 Program Committee and prizes will be awarded to the two best
applications, sponsored by the RuleML Inc. non-profit organization.
Review Process
============================================================================
The submitted papers will pass the blind review process. At least three
members of the Program Committee will review each submission.
Important Dates:
============================================================================
Abstract submission deadline: June 9, 2009
Paper Submission deadline: June 16, 2009
Notification of acceptance: July 18, 2009
Camera ready due: August 9, 2009
Symposium dates: November 5-7, 2009
RuleML Challenge: November 5, 2009
Conference Venue
============================================================================
RuleML-2009 will take place at the Bellagio in Las Vegas collocated with the
Business Rules Forum.
Keynote Speakers
============================================================================
- Sandro Hawke, W3C RIF Team Contact
The Future of Rule Interchange
- TBA
Programme Committee
============================================================================
General Chair
--------------------
Adrian Paschke, Freie Universitaet Berlin, Germany
Program Chairs
--------------------
Guido Governatori, NICTA, Australia
John Hall, Model System, UK
Liaison Chair
--------------------
Hai Zhuge, Chinese Academy of Sciences
Publicity Chair
--------------------
William Langley, NRC-IRAP, Canada
Track Chairs
Rule Transformation and Extraction
--------------------
Erik Putrycz, Canada
Mark Linehan, IBM, USA
Rules and Uncertainty
--------------------
Matthias Nickles, University of Bath, UK
Davide Sottara, University Bologna, Italy
Rules and Norms
--------------------
Thomas Gordon, Fraunhofer FOKUS, Germany
Antonino Rotolo, CIRSFID, University of Bologna, Italy
Rule-based Game AI
--------------------
Benjamin Craig, National Research Council, Canada
Weichang Du, University of New Brunswick, Canada
Rule-based Event Processing and Reaction Rules
--------------------
Alex Kozlenkov, Betfair Ltd., UK
Adrian Paschke, Free Univ. Berlin, Germany
Rules and Cross Industry Standards
--------------------
Tracy Bost, Valocity, USA
Robert Golan, DBMind, USA
RuleML Challenge
--------------------
Yuh-Jong Hu, National Chengchi University, Taiwan
Ching-Long Yeh, Tatung University, Taiwan
Wolfgang Laun, Thales Rail Signalling Solutions GesmbH, Austria
RuleML 2009 Sponsors
============================================================================
Silver Sponsors
--------------------
Franz Inc
NICTA (National ICT Australia) Ltd
Corporate Semantic Web
Bronze Sponsors
--------------------
Logic Programming Associated Ltd
Modelsystems Ltd
ruleCore
RuleML 2009 Partners
============================================================================
W3C, World Wide Web Consortium
Belgian Business Rules Forum
MIT Sloan CIO Symposium
International Association for Artificial Intelligence and Law
Event Processing Technical Society
BPM Forum Belgium
October Rules Fest
SKG2009 5th International Conference on Semantic, Knowledge and Grid
RR-2009 3rd International Conference on Web Reasoning and Rule Systems
17 years
Hibernate using JBoss datasource in BRMS
by sreenivas555
Hi All,
I want to use Hibernate and connect to JBoss datasource in BRMS. I am trying
to load the enum values from DB.
Step1: Define datasource in oracle-ds.xml under deployment folder.
Step2: Add the datasource in hibernate.cfg.xml
Step3: Create hibernate session and use it...
Error:
org.hibernate.HibernateException: Could not find datasource: java:/myDS
I tried all the above steps using a JSP, I am able to get the data but it is
not working in drools-guvnor. war.
Can anybody tell me how is drools-guvnor.war differ from normal war file?
Did I miss anystep?
Thanks in advance!!!!!
Thanks,
Sreenivas.
--
View this message in context: http://www.nabble.com/Hibernate-using-JBoss-datasource-in-BRMS-tp23499389...
Sent from the drools - user mailing list archive at Nabble.com.
17 years
Enumeration list from DB in BRMS
by sreenivas555
Hi All,
I would like to display the enumeration list from DB.
I followed the following process.
Step 1. Write all the necessary classes
Example: class DataEnum {
ArrayList loadData() {
}
}
Step2: Upload all the classes to BRMS using create model option
Step3: Update this in Enumeration List
Unfortunatly above steps are not working. Instead of step2, I copied my jar
to drools-guvnor/WEB-INF/lib then it started working.
But I dont want to edit the drools-guvnor.war.
Thaks in advance!!!!
-- Sreenivas
Thanks,
Sreenivas.
--
View this message in context: http://www.nabble.com/Enumeration-list-from-DB-in-BRMS-tp23499029p2349902...
Sent from the drools - user mailing list archive at Nabble.com.
17 years
CFP - 3rd East European Workshop on Rule-Based Applications - RuleApps 2009
by Emilian Pascalau
-----------------------------------------------------------------------
Our apologies if you receive duplicates of this posting.
Please feel free to distribute it to those who might be interested.
-----------------------------------------------------------------------
*****************************************************************************
* CALL FOR
PAPERS *
*
*
* RuleApps
2009 *
*
*
* 3rd East European Workshop on Rule-Based
Applications *
* Cottbus, Germany, September 21,
2009 *
*
http://hydrogen.informatik.tu-cottbus.de/wiki/index.php/RuleApps2009 *
*
*
*
*
* Paper submission deadline: June 30,
2009 *
*****************************************************************************
Aims and Audience
==================
The workshop aims to to be a common space where those with experience or
interest
in rule modeling, rule languages and rule engines meet researchers with
expertise
in other areas such as: Artificial Intelligence, Business Process
Modeling,
Cloud Computing, Intelligent Agents, Model-Driven Architecture, and
Semantic Web.
Attending this workshop will give researchers the possibility to
identify new
trends and challenges in rule-based applications, and it will provide a
forum for
potential users of innovative AI techniques.
Topics of Interest
==================
The workshop seeks contributions addressing,
but not limited to, the following topics:
* Artificial Intelligence Rules and Rule Systems
* Best Practices in Business Rules
* Combining rules and ontologies
* Rules in Enterprise Modeling
* Implemented tools and systems
* Rules and Web Services Integration
* Rules Modeling and Business Processes (including Production Rules
and ECA Rules)
* Rule base Visualization, Verbalization, Validation, Verification and
Exception Handling.
* Rule-based agents modeling and simulation
* Rule-based modeling of mechanisms, policies, strategies and contracts.
* Rule Engines Architectures
* Rules in Web 2.0 and Enterprise 2.0
Past Events
===========
* 2nd East European Workshop on Rule-Based Applications RuleApps'2008
Collocated with the 18th biennial European Conference on Artificial
Intelligence
ECAI'2008, July 21-25, 2008, Patras, Greece
* 1st East European Workshop on Rule-Based Applications RuleApps'2007
Collocated with the 9th International Symposium on Symbolic and
Numeric Algorithms
for Scientific Computing SYNASC'2007 September 26-29, 2007,
Timisoara, Romania
Submission Details
==================
RuleApps2009 looks for three categories of submissions:
regular, short, and application papers:
* Regular papers - max. 12 pages (including figures) LNCS format
describing completed research.
* Short papers and application papers - max. 6 pages (including
figures) LNCS format
describing early results and novel ideas. Software described in
application papers
should be available online during the review process.
The submission web site is:
http://www.easychair.org/conferences/?conf=ruleapp2009
For any additional questions regarding the submission of papers ask
organizers by email(please include /RuleApps'2009/ in the subject).
Publication
===========
The accepted papers will be published as CEUR-WS Proceedings.
The copyright for the individual items (subsuming any type of
computer-represented files containing articles, software demos,
videos, etc.) within the proceedings volume is owned by default by
their respective authors. Copying of items, in particular papers, and
proceedings volumes is permitted only for private and academic
purposes. Copying or use for commercial purposes is forbidden unless
an explicit permission is acquired from the copyright owners (i.e. authors).
Extended versions of the best regular papers of the workshop will be
invited for publication in an indexed scientific journal.
Important dates
===============
Submissions due: June 30, 2009
Notification of acceptance: July 30, 2009
Camera ready copy due: September 1, 2009
Workshop date: September 21, 2009
Organization
============
Workshop Organizers
* Adrian Giurca, Brandenburg University of Technology, Germany
* Grzegorz J. Nalepa, AGH University of Science and Technology, Poland
* Gerd Wagner, Brandenburg University of Technology, Germany
Program Committee (tentative)
* Grigoris Antoniou, FORTH, Greece
* Costin Badica, University of Craiova, Romania
* Nick Bassiliades, Aristotle University of Thessaloniki, Greece
* Aicha-Nabila Benharkat, Institut National des Sciences Appliquees de
Lyon, France
* Jens Dietrich, Massey University, New Zealand
* Dragan Gasevic, Athabasca University, Canada
* Adrian Giurca, Brandenburg University of Technology, Germany
* Isambo Karali, University of Athens, Greece
* Ion Iancu, University of Craiova, Romania
* Antoni Ligeza, AGH University of Science and Technology, Poland
* Grzegorz J. Nalepa, AGH University of Science and Technology, Poland
* Viorel Negru, West University of Timisoara, Romania
* Paula Lavinia Patranjan, SKYTEC AG, Germany
* Mark Proctor, Drools, Redhat
* Dave Reynolds, Hewlett-Packard Semantic Web Research, England
* Kuldar Taveter, Tallinn University of Technology, Estonia
* Gerd Wagner, Brandenburg University of Technology, Germany
17 years
How to import DRL into Business Rule Assets section?
by jant79
Hello,
We are trying to develop a system based on Drools and want to have a
repository based on JBoss and manage it from the Guvnor website. Now, we
have a few questions:
1) Can we import DRL files into the Business rules section, so that later we
can view/modify them using the graphical interface (text boxes, drop down
menus, etc)? This will be very useful for production use.
What we tried so far, imports them as text in the Technical rules section
which is not user friendly at all.
2) Can we at all import .dslr files ? And where from in the Guvnor GUI ?
Thanks a lot,
John
--
View this message in context: http://www.nabble.com/How-to-import-DRL-into-Business-Rule-Assets-section...
Sent from the drools - user mailing list archive at Nabble.com.
17 years
Drools : usage as appointment booking engine ?
by Damien Raude-Morvan
Hi,
I'm evaluating use of Drools 5 as an appointment booking engine.
My input data are :
- some time slots, defined with a start and end time.
- some appointment constraints (only monday, only morning, appointment
theorical duration)
I've looked at Drools 5 Fusion without finding a way to go with this.
Can someone give me some pointer / start URL about how to solve this kind
of problems ?
Thanks
Regards,
--
Damien Raude-Morvan / www.drazzib.com
17 years
drools solver for 2d knapsack problem
by Olaf Raether
Hey , i would like to use drools solver for a 2d knapsack problem.
Has anyone expirience with that ?
Is drools solver made for such a task ?
Thank for hints
Olaf Raether
17 years
Avoid unnecessary rule activation when object is retracted
by lsilva
Hi, I'll appreciate any help in this issue
I'm going to explain my problem, using the next rules as example:
####################BEGIN RULE FILE (pricing.drl)##########################
#created on: 04/05/2009
package com.mycompany.pricing
import com.company.FeatureQuoteRequest;
import com.company.Account;
import com.company.EstimatedElectricUsage;
import com.company.AuxDecimal
global AuxDecimal auxDecimal1;
#first rule group to calculate the Capacity Factor
rule "Start capacity factor calculation"
salience 20
when
featureQuoteRequest: FeatureQuoteRequest(feature == 'CAPACITY_FACTOR',
priceAmount == null);
account: Account();
usageItem: EstimatedElectricUsage() from
account.getElectricUsageEstimation(1,6);
then
insert (usageItem);
drools.setFocus("monthly_capacity_factor");
end
rule "Get monthly Capacity factor"
agenda-group 'monthly_capacity_factor'
when
featureQuoteRequest: FeatureQuoteRequest(feature == 'CAPACITY_FACTOR',
priceAmount == null);
account: Account();
usage: EstimatedElectricUsage();
then
auxDecimal1.add(usage.getValue() * 2 + 1);
retract(usage);
end
rule "Get total Capacity factor"
salience 10
when
featureQuoteRequest: FeatureQuoteRequest(feature == 'CAPACITY_FACTOR',
priceAmount == null);
account: Account();
totalEstimatedElectricUsage: Double() from
accumulate(EstimatedElectricUsage (value: value) from
account.getElectricUsageEstimation(1,6), sum(value));
then
featureQuoteRequest.setPriceAmount(auxDecimal1.getValue()/totalEstimatedElectricUsage);
end
#second rule group to calculate the Transmision Factor
rule "Start transmision factor calculation"
salience 20
when
featureQuoteRequest: FeatureQuoteRequest(feature == 'TRANSMISION_FACTOR',
priceAmount == null);
account: Account();
usageItem: EstimatedElectricUsage() from
account.getElectricUsageEstimation(1,6);
then
insert (usageItem);
drools.setFocus("monthly_transmision_factor");
end
rule "Get monthly Transmision factor"
agenda-group 'monthly_transmision_factor'
when
featureQuoteRequest: FeatureQuoteRequest(feature == 'TRANSMISION_FACTOR',
priceAmount == null);
account: Account();
usage: EstimatedElectricUsage();
then
auxDecimal1.add(usage.getValue() * 2 + 1);
retract(usage);
end
rule "Get total Transmision factor"
salience 10
when
featureQuoteRequest: FeatureQuoteRequest(feature == 'TRANSMISION_FACTOR',
priceAmount == null);
account: Account();
totalEstimatedElectricUsage: Double() from
accumulate(EstimatedElectricUsage (value: value) from
account.getElectricUsageEstimation(1,6), sum(value));
then
featureQuoteRequest.setPriceAmount(auxDecimal1.getValue()/totalEstimatedElectricUsage);
end
####################END RULE FILE (pricing.drl)##########################
And I have the nex class to process the rules:
####################BEGIN JAVA CLASS FILE ##########################
1. package com.company;
2.
3. import java.io.InputStreamReader;
4. import java.io.Reader;
5. import java.util.ArrayList;
6. import java.util.List;
7.
8. import org.drools.FactHandle;
9. import org.drools.RuleBase;
10. import org.drools.RuleBaseFactory;
11. import org.drools.WorkingMemory;
12. import org.drools.audit.WorkingMemoryFileLogger;
13. import org.drools.compiler.PackageBuilder;
14. import org.drools.rule.Package;
15.
16. public class PricingCalc {
17.
18. FactHandle handleQuoteRequest = null;
19. FactHandle handleAccount = null;
20.
21. public PricingCalc() {
22. }
23.
24. public static final void main(String[] args) {
25. PricingCalc pricingCalc = new PricingCalc();
26. pricingCalc.runPricingCalc();
27. }
28.
29. private void runPricingCalc(){
30. try {
31.
32. //load up the rulebase
33. RuleBase ruleBase = readRule();
34. WorkingMemory workingMemory = ruleBase.newStatefulSession();
35.
36. WorkingMemoryFileLogger logger = new
WorkingMemoryFileLogger(workingMemory);
37. logger.setFileName("log/event");
38.
39. workingMemory.setGlobal("auxDecimal1", new AuxDecimal(new
Double(0)));
40. //go to calculate capacity Factor!
41. setWorkingMemoryCapacity(workingMemory);
42.
43. workingMemory.fireAllRules();
44.
45. workingMemory.retract(handleQuoteRequest);
46. workingMemory.retract(handleAccount);
47.
48 //go to calculate Transmision Factor!
49 setWorkingMemoryTransmision(workingMemory);
50
51 workingMemory.fireAllRules();
52
53 workingMemory.retract(handleQuoteRequest);
54 workingMemory.retract(handleAccount);
55
56
57 // stop logging
58 logger.writeToDisk();
59
60 } catch (Throwable t) {
61 t.printStackTrace();
62 }
63 }
64
65 private static RuleBase readRule() throws Exception {
66 //read in the source
67 Reader source = new InputStreamReader(
PricingCalc.class.getResourceAsStream( "/Pricing.drl" ) );
68
69 PackageBuilder builder = new PackageBuilder();
70
71 //this wil parse and compile in one step
72 //NOTE: There are 2 methods here, the one argument one is for normal
DRL.
73 builder.addPackageFromDrl( source );
74
75 //get the compiled package (which is serializable)
76 Package pkg = builder.getPackage();
77
78 //add the package to a rulebase (deploy the rule package).
79 RuleBase ruleBase = RuleBaseFactory.newRuleBase();
80 ruleBase.addPackage( pkg );
81 return ruleBase;
82 }
83
84
85 private void setWorkingMemoryCapacity(WorkingMemory workingMemory){
86 //Setting FeatureQuoteRequest
87 FeatureQuoteRequest featureQuoteRequest = new FeatureQuoteRequest();
88 featureQuoteRequest.setFeature("CAPACITY_FACTOR");
89
90 //Setting Account Estimated Electric Usage
91 Account account = new Account();
92 List<EstimatedElectricUsage> electricUsageEstimation = new
ArrayList<EstimatedElectricUsage>();
93
94 EstimatedElectricUsage estimatedElectricUsage1 = new
EstimatedElectricUsage();
95 estimatedElectricUsage1.setMes(1);
96 estimatedElectricUsage1.setValue(new Double(10));
97 electricUsageEstimation.add(estimatedElectricUsage1);
98
99 EstimatedElectricUsage estimatedElectricUsage2 = new
EstimatedElectricUsage();
100 estimatedElectricUsage2.setMes(2);
101 estimatedElectricUsage2.setValue(new Double(20));
102 electricUsageEstimation.add(estimatedElectricUsage2);
103
104 EstimatedElectricUsage estimatedElectricUsage3 = new
EstimatedElectricUsage();
105 estimatedElectricUsage3.setMes(3);
106 estimatedElectricUsage3.setValue(new Double(30));
107 electricUsageEstimation.add(estimatedElectricUsage3);
108
109 EstimatedElectricUsage estimatedElectricUsage4 = new
EstimatedElectricUsage();
110 estimatedElectricUsage4.setMes(4);
111 estimatedElectricUsage4.setValue(new Double(40));
112 electricUsageEstimation.add(estimatedElectricUsage4);
113
114 EstimatedElectricUsage estimatedElectricUsage5 = new
EstimatedElectricUsage();
115 estimatedElectricUsage5.setMes(5);
116 estimatedElectricUsage5.setValue(new Double(50));
117 electricUsageEstimation.add(estimatedElectricUsage5);
118
119 EstimatedElectricUsage estimatedElectricUsage6 = new
EstimatedElectricUsage();
120 estimatedElectricUsage6.setMes(6);
121 estimatedElectricUsage6.setValue(new Double(60));
122 electricUsageEstimation.add(estimatedElectricUsage6);
123
124 EstimatedElectricUsage estimatedElectricUsage7 = new
EstimatedElectricUsage();
125 estimatedElectricUsage7.setMes(7);
126 estimatedElectricUsage7.setValue(new Double(70));
127 electricUsageEstimation.add(estimatedElectricUsage7);
128
129 account.setElectricUsageEstimation(electricUsageEstimation);
130
131 handleQuoteRequest = workingMemory.insert(featureQuoteRequest);
132 handleAccount = workingMemory.insert(account);
133 }
134
135 private void setWorkingMemoryTransmision(WorkingMemory workingMemory){
136 //Setting FeatureQuoteRequest
137 FeatureQuoteRequest featureQuoteRequest = new FeatureQuoteRequest();
138 featureQuoteRequest.setFeature("TRANSMISION_FACTOR");
139
140 //Setting Account Estimated Electric Usage
141 Account account = new Account();
142 List<EstimatedElectricUsage> electricUsageEstimation = new
ArrayList<EstimatedElectricUsage>();
143
144 EstimatedElectricUsage estimatedElectricUsage1 = new
EstimatedElectricUsage();
145 estimatedElectricUsage1.setMes(1);
146 estimatedElectricUsage1.setValue(new Double(110));
147 electricUsageEstimation.add(estimatedElectricUsage1);
148
149 EstimatedElectricUsage estimatedElectricUsage2 = new
EstimatedElectricUsage();
150 estimatedElectricUsage2.setMes(2);
151 estimatedElectricUsage2.setValue(new Double(120));
152 electricUsageEstimation.add(estimatedElectricUsage2);
153
154 EstimatedElectricUsage estimatedElectricUsage3 = new
EstimatedElectricUsage();
155 estimatedElectricUsage3.setMes(3);
156 estimatedElectricUsage3.setValue(new Double(130));
157 electricUsageEstimation.add(estimatedElectricUsage3);
158
159 EstimatedElectricUsage estimatedElectricUsage4 = new
EstimatedElectricUsage();
160 estimatedElectricUsage4.setMes(4);
161 estimatedElectricUsage4.setValue(new Double(140));
162 electricUsageEstimation.add(estimatedElectricUsage4);
163
164 EstimatedElectricUsage estimatedElectricUsage5 = new
EstimatedElectricUsage();
165 estimatedElectricUsage5.setMes(5);
166 estimatedElectricUsage5.setValue(new Double(150));
167 electricUsageEstimation.add(estimatedElectricUsage5);
168
169 EstimatedElectricUsage estimatedElectricUsage6 = new
EstimatedElectricUsage();
170 estimatedElectricUsage6.setMes(6);
171 estimatedElectricUsage6.setValue(new Double(160));
172 electricUsageEstimation.add(estimatedElectricUsage6);
173
174 EstimatedElectricUsage estimatedElectricUsage7 = new
EstimatedElectricUsage();
175 estimatedElectricUsage7.setMes(7);
176 estimatedElectricUsage7.setValue(new Double(170));
177 electricUsageEstimation.add(estimatedElectricUsage7);
178
179 account.setElectricUsageEstimation(electricUsageEstimation);
180
181 handleQuoteRequest = workingMemory.insert(featureQuoteRequest);
182 handleAccount = workingMemory.insert(account);
183 }
184
185 }
####################END JAVA CLASS FILE ##########################
I'm using Drools 4.0.7
The problem is, that many activations are create (one for every
EstimatedElectricUsage) everytime I retract the first object from the
working memory (lines 45 and 53) You can see the activations created, and
immediately cancelled, in the file event.log attached to this post.
http://www.nabble.com/file/p23381763/event.log event.log (open this file in
the Audit View of Eclipse Plugin for a better read)
If I put the "lock-on-active true" for rule "Get total Capacity factor" then
activations are not created when corresponding objects are retracted (line
45, 46) but It doesn't work for rule "Get total Transmision factor". See
event2.log file for detail. http://www.nabble.com/file/p23381763/event2.log
event2.log
Adding "lock-on-active true" for rule "Get total Transmision factor" doesn't
resolve the activations for lines 53 and 54.
When the objects are retracted none of the rules should get activate,
becaouse the rules depend on the existance of the objects retracted.
finally, sorry if my English is not so good, Ask me, If you have any
question to clarify mi problem.
This is my example project if you want to reproduce the case.
http://www.nabble.com/file/p23381763/drools.zip drools.zip
Thanks,
--
View this message in context: http://www.nabble.com/Avoid-unnecessary-rule-activation-when-object-is-re...
Sent from the drools - user mailing list archive at Nabble.com.
17 years
trying to retrieve facts from WorkingMemory
by Kevin Alonso
I´m trying to retrieve the information of the Working memory inside an
action element of the ruleflow.
I have already writed a query in to .drl file
query "Random Word"
rw : RandomWord()
end
And part of the code in the action element is the next:
QueryResults results = workingMemory.getQueryResults("Random Word" );
System.out.println( "we have " + results.size() + " random words" );
I have obtained this code from documentation, but I don´t know how to
get the workingMemory object.
Regards,
Kevin
17 years, 1 month
