September 2014 - rules-users - Jboss List Archives

Drools beginner - unable to resolve method using strict-mode

by Stefan Schuster

Hi, I'm new to drools, and I made my first steps using the very nice video-tutorial "Build Pong in 13 minutes using JBoss Drools" found here: http://www.youtube.com/watch?v=Omj4PR3v-nI Eclipse shows building errors, but Pong start anyway. What does this error mean? in move.drl there is following rule: *<rule "Move Bat Up" timer(expr: bat.speed, bat.speed) no-loop when* * ui : PongUI( ready == true )* * ( KeyPressed( keyText == "A" ) and bat : Bat( playerId == PlayerId.PlayerOne, y > pconf.padding + pconf.sideLineWidth )* * or* * KeyPressed( keyText == "K" ) and bat : Bat( playerId == PlayerId.PlayerTwo, y > pconf.padding + pconf.sideLineWidth ) ) * * td : TableDirty( ) * *then * * tableG = ui.getTablePanel().getTableG();* * tableG.setColor( Color.BLACK ); // background* * tableG.fillRect( bat.x, bat.y, bat.width, bat.height );* * * * modify( bat ) { y = bat.y - 2 };* * tableG.setColor( Color.WHITE ); // background* * tableG.fillRect( bat.x, bat.y, bat.width, bat.height ); * * modify( td ) { dirty = true };* *end* the error message is: [Error: unable to resolve method using strict-mode: org.drools.spi.KnowledgeHelper.td<http://org.drools.spi.knowledgehelper.td/> ()] [Near : {... @Modify with( td ) { dirty = true }; ....}] in another File (ui.drl) TableDirty is defined: *declare TableDirty* * @propertyReactive* * dirty : boolean* *end* Any ideas what this error message means? And why can I start pong despite this error? Thanks a lot for helping me Stefan

2 weeks

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conways game of life

by Mark Proctor

For anyone looking for a good and complex example on how to write rules properly, please look at Conways Game of Life in drools-examples, for extra bonus points compare it to the old version in M1. You'll see nearly all the logic is moved from java to the drl and we have removed the need for nested objects by using objects relaitionally, which also allows us to exploit cross products to drive the application. Mark

2 weeks, 1 day

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Drools Timers

by Demian Calcaprina

Hey Guys, I am trying to use to use the timer in the rule, but I don't fully understand it. I have a simple rule which says rule "Test" timer(int: 1s) when Something() then System.out.println("Something Happens"); end And I insert 100 Someting() object, after 1 second I see 100 activations. - Can I do with the timer something like "run this rule once per minute" for example? - When does the timer start to run? Thanks in advance, Demian

11 years

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This mailing list is closed, use the google group instead

by Geoffrey De Smet

Just a friendly reminder to use the google group instead: https://groups.google.com/forum/#!forum/drools-usage <https://groups.google.com/forum/#%21forum/drools-usage>

11 years

1
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Rules / Machine Learning / Bayesian network

by Jonathan MERCIER

Dear, I come here to collect some information on these subjects. I found that in 2008 a student of Mark Proktor (Gizil Oguz ) worked on a machine learning using drools. And currently Mark work on a Bayesian approach. These subjects are really exciting. Bayesian Belief Network needs to be able to put a probability value on each event and for this using machine learning is a way to do. So I would like to know how if they are somewhere a little example which put all of these good projects in one? After Gizil Oguz finished his work, we never heard about drools and machine learning. I would like to know if that is normal ? Or maybe using weka and drools is better ? Thanks you everybody, any information on these subject could to be interesting :-) Have fun Jonathan

11 years

1
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Best SAP HANA Online Training in INDIA | USA | UK | CANADA

by seshirekha

SAP Centre provides the Best of the Best SAP HANA Online Training <http://www.sapboonline.com/sap-hana-online-training/> to the students who are passion and dedicated to learn the SAP HANA Course. The Students can choose their comfortable timings from anywhere of the world to learn SAP HANA through online with real-time methodologies. We will provide the complete technical support to our students for resume preparation and to attend interviews after completion of SAP HANA Training. *Some of the SAP HANA Course topics that covered by our professionals:* *Introduction to SAP:* 1.Introduction to SAP HANA. 2.SAP In-Memory Strategy. 3.HANA compare to BWA. *Look & Feel:* 1.In-Memory Computing Studio. 2.Administration view. 3.Navigator View. 4.System Monitor. 5.Information Modeler. *And many sub topics are there for more details please go through the website.* Please call us for the Demo Classes we have regular batches and weekend batches. *Contact Number: INDIA:* +91-8686984442, *Email:* saponlinecentre(a)gmail.com, *Web:* http://www.sapboonline.com/sap-hana-online-training/ -- View this message in context: http://drools.46999.n3.nabble.com/Best-SAP-HANA-Online-Training-in-INDIA-... Sent from the Drools: User forum mailing list archive at Nabble.com.

11 years

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CORE JAVA Online Training and Certification Training in USA | UK | India | New York | Singapore

by seshirekha

SAP Centre offers the Best CORE JAVA Online Training <http://www.sapboonline.com/core-java-online-training/> which is informative and helpful training for fresher’s who have just graduated their IT degree and also for Employees. We will provide Quality study material, E-books for Core Java which will useful to our students during and after completion of Core Java Training. So, at the end of the Core Java training you will be well equipped with the knowledge and skills to handle any task at your work. *Some of the Core Java Course topics that covered by our professionals:* *Introduction to CORE JAVA (J2SE):* 1.Primary Goals of Java Technology. 2.Simple Java Program. 3.Object Oriented Programming. *Objectives:* 1.Declaring Java Technology Classes. 2.Declaring Methods, Attributes. 3.Encapsulation, Information Hiding. 4.Constructors. 5.Packages. *And many sub topics are there for more details please go through the website.* Please call us for the Demo Classes we have regular batches and weekend batches. *Contact Number: INDIA:* +91-8686984442, *Email:* saponlinecentre(a)gmail.com, *Web:* http://www.sapboonline.com/core-java-online-training/ -- View this message in context: http://drools.46999.n3.nabble.com/CORE-JAVA-Online-Training-and-Certifica... Sent from the Drools: User forum mailing list archive at Nabble.com.

11 years, 1 month

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Embedding Guvnor 6 Guided Editor

by rjr201

Hi, I'm looking to upgrade to the new kie workbench 6.. i really need to be able to embed the guided editor within my application. I've done this previously using the iframe approach. I can't seem to find any documentation on how to do this in the latest release. Sorry if i've overlooked any documentation on this. Any advice would be greatly appreciated.. Cheers. Rich. -- View this message in context: http://drools.46999.n3.nabble.com/Embedding-Guvnor-6-Guided-Editor-tp4028... Sent from the Drools: User forum mailing list archive at Nabble.com.

11 years, 1 month

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Best INFORMATICA Online Training in India | USA | UK | Australia

by seshirekha

SAP Centre Provides the Best INFORMATICA Training through Online. Our Informatica Online Training <http://www.sapboonline.com/informatica-online-training/> curriculum is designed with user-friendly modules and a comprehensive platform, which is customized on the grasping nature of every individual student. Our wide range of audios and web conferencing tools during Informatica training helps the students to achieve their goal irrespective of geographical locations. Some of the Infromatica Course topics that covered by our professionals: 1.What is Data warehousing? 2.Why Data warehousing? 3.Slowly Changing Dimensions (SCD1, SCD2, and SCD3). 4.Metadata. 5.Dimentinal Table. 6.Types of Dim Tables. 7.Fact Table. 8.Types of Fact Tables. 9.OLTP (Online Transaction Processing). 10.OLAP (Online Analysis and Processing). And many sub topics are there for more details please go through the official website. Please call us for the Demo Classes we have regular batches and weekend batches. Contact Number: INDIA: +91-8686984442, Email: saponlinecentre(a)gmail.com, Web: http://www.sapboonline.com/informatica-online-training/ -- View this message in context: http://drools.46999.n3.nabble.com/Best-INFORMATICA-Online-Training-in-Ind... Sent from the Drools: User forum mailing list archive at Nabble.com.

11 years, 1 month

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Error while Uploading the Model jar file in Guvrnor 5.1.1

by LaKhI ReDdY!!!!!!!!!!!

Hi, I am getting the following error while uploading the Model jar file, I suggesting to avoid this error? UI error message : Unable to import into the file. May be you have provided the Invalid Path / Invalid File and Server log message is : %-5p 14-09 21:57:54,508 (VersionableItem.java:checkout:637) Error occured while checking out the asset javax.jcr.ReferentialIntegrityException: Target node 022eb645-b7da-4d43-8fec-7eba2c16c8c7 of REFERENCE property does not exist at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.checkReferentialIntegrity(SharedItemStateManager.java:1056) at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.begin(SharedItemStateManager.java:574) at org.apache.jackrabbit.core.state.SharedItemStateManager.beginUpdate(SharedItemStateManager.java:1110) at org.apache.jackrabbit.core.state.SharedItemStateManager.update(SharedItemStateManager.java:1140) at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:351) at org.apache.jackrabbit.core.state.XAItemStateManager.update(XAItemStateManager.java:354) at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:326) at org.apache.jackrabbit.core.version.VersionManagerImplBase$WriteOperation.save(VersionManagerImplBase.java:463) at org.apache.jackrabbit.core.version.VersionManagerImplBase.checkoutCheckin(VersionManagerImplBase.java:209) at org.apache.jackrabbit.core.VersionManagerImpl.checkout(VersionManagerImpl.java:117)

11 years, 1 month

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rules-users September 2014