rule-engine

问题 We are facing compilation error while compiling Rule Base from DB on server using drools-io-2.5.jar. RuleBaseLoader.loadFromInputStream(stream); stream is XML input stream picked from database. This code is working with JAVA6 and weblogic 11g but we start getting error when we deployed on weblogic 12c on JAVA8. Can someone please give a direction, how to resolve this. Error: <09-09-2020 18:12:47.235> <DEBUG> <ejbframework> <system> <RulesHelper> <subscriber-type-rules Checking rule base:

问题 I was going through Drools documentation and found it is not doing anything interesting / solving any problems (May be I'm wrong). In drools we specify the business rules (in .drl file) as, for example, when "type = jewellery" then setDiscount(25%) when "type = KidDress" then setDiscount(30%) What is the difference between the above vs using database? I can ALWAYS expose custom API's from which business rules can be specified and I can directly store it in RDBMS. Formally if required, I can

问题 Introduction Drools Guvnor has it's own versioning system, that in production use allows the users of an application to modify the rules and decision tables in order to adapt to change in their business. Yet, the same assets continue to live on the development version control system, where new features to the app are developed. This post is for looking insight/ideas/experience on rule development and deployment when working with Drools rules and Guvnor. Below are some key concepts I've been

问题 I have a list of file in my R environment. I want to merge some of them together using a mapping file. The mapping file is named map_rule1, and it looks like following. map_rule1 # A tibble: 8 x 4 EDC_file_name Tab DatasetName GroupVar1 <chr> <chr> <chr> <chr> 1 e1 Demographics Demographics Merged Subject 2 e2 Demographics NA NA 3 e3 PatientRegister Patient Register Subject 4 e4 PatientRegister NA NA 5 e5 PatientRegister NA NA 6 e6 PatientRegister NA NA 7 e7 PatientConsent Patient Consent NA

问题 I have a list of file in my R environment. I want to merge some of them together using a mapping file. The mapping file is named map_rule1, and it looks like following. map_rule1 # A tibble: 8 x 4 EDC_file_name Tab DatasetName GroupVar1 <chr> <chr> <chr> <chr> 1 e1 Demographics Demographics Merged Subject 2 e2 Demographics NA NA 3 e3 PatientRegister Patient Register Subject 4 e4 PatientRegister NA NA 5 e5 PatientRegister NA NA 6 e6 PatientRegister NA NA 7 e7 PatientConsent Patient Consent NA

问题 i am working on drools rule engine got this scenario to change the values in when block from 1000 to 2000 ,changing the signs from > to <, can we achieve this using a form to edit the value rule "payment" when account:Paymentinfo(transaction < 1000) then 来源： https://stackoverflow.com/questions/51178210/how-to-update-rules-dynamically-in-drools-rule-engine

问题 i am working on drools rule engine got this scenario to change the values in when block from 1000 to 2000 ,changing the signs from > to <, can we achieve this using a form to edit the value rule "payment" when account:Paymentinfo(transaction < 1000) then 来源： https://stackoverflow.com/questions/51178210/how-to-update-rules-dynamically-in-drools-rule-engine

问题 i am working on drools rule engine got this scenario to change the values in when block from 1000 to 2000 ,changing the signs from > to <, can we achieve this using a form to edit the value rule "payment" when account:Paymentinfo(transaction < 1000) then 来源： https://stackoverflow.com/questions/51178210/how-to-update-rules-dynamically-in-drools-rule-engine

问题 i am working on drools rule engine got this scenario to change the values in when block from 1000 to 2000 ,changing the signs from > to <, can we achieve this using a form to edit the value rule "payment" when account:Paymentinfo(transaction < 1000) then 来源： https://stackoverflow.com/questions/51178210/how-to-update-rules-dynamically-in-drools-rule-engine

问题 i am working on drools rule engine got this scenario to change the values in when block from 1000 to 2000 ,changing the signs from > to <, can we achieve this using a form to edit the value rule "payment" when account:Paymentinfo(transaction < 1000) then 来源： https://stackoverflow.com/questions/51178210/how-to-update-rules-dynamically-in-drools-rule-engine