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Welcome to the discussion group for NRules - open source rules engine for .NET, based on the Rete matching algorithm.

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Sergiy Nikolayev

4/4/21

Retiring NRules google group

I'm retiring NRules google group in favor of the GitHub discussions. Please use NRules

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Retiring NRules google group

I'm retiring NRules google group in favor of the GitHub discussions. Please use NRules

4/4/21

Sergiy Nikolayev

12/22/20

NRules 0.9.1 is released!

Release notes: https://github.com/NRules/NRules/releases/v0.9.1

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NRules 0.9.1 is released!

Release notes: https://github.com/NRules/NRules/releases/v0.9.1

12/22/20

Karthi Kn, Sergiy Nikolayev5

11/12/20

Return data after execution dynamically

Finally I corrected my code and its working fine. Thank you @jon and @sergiy Sir. Here is my code.

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Return data after execution dynamically

Finally I corrected my code and its working fine. Thank you @jon and @sergiy Sir. Here is my code.

11/12/20

Ross McPhee, Sergiy Nikolayev3

9/28/20

Second rule using interface rather than class causes exception.

Thanks for such a quick response. On Sunday, September 27, 2020 at 10:50:57 PM UTC+1 sergiy_n...@

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Second rule using interface rather than class causes exception.

Thanks for such a quick response. On Sunday, September 27, 2020 at 10:50:57 PM UTC+1 sergiy_n...@

9/28/20

Jb Osborne, Sergiy Nikolayev3

5/19/20

Seeking guidance on using multiple sessions to partition the processing of rules

Much appreciated Sergiy. Thanks

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Seeking guidance on using multiple sessions to partition the processing of rules

Much appreciated Sergiy. Thanks

5/19/20

Ramin Naderi, Sergiy Nikolayev2

4/18/20

Checking the rules without executing Do blocks

You have several options. 1. You can break up the rule using forward chaining. Your rule would

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Checking the rules without executing Do blocks

You have several options. 1. You can break up the rule using forward chaining. Your rule would

4/18/20

Fateme Jahangiri, … Gennady Linatser4

3/25/20

ClaimsAdjudication Sample

very sorry, posted reply to the wrong message @Fateme let me understand what you're asking -- are

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ClaimsAdjudication Sample

very sorry, posted reply to the wrong message @Fateme let me understand what you're asking -- are

3/25/20

Victor Souza, … Alexander Saevsky4

3/20/20

Parse UI dynamic rules to nrules framework.

Victor, I wonder what a problem can be here. I typed in GOOGLE ".net linq expression parser

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Parse UI dynamic rules to nrules framework.

Victor, I wonder what a problem can be here. I typed in GOOGLE ".net linq expression parser

3/20/20

Alexander Saevsky, Sergiy Nikolayev4

2/17/20

Tracking dependent complex objects

Ben Jacobs explained me my error. The proper code reads: public class FindPair : Rule { public

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Tracking dependent complex objects

Ben Jacobs explained me my error. The proper code reads: public class FindPair : Rule { public

2/17/20

Erin Loy, Sergiy Nikolayev2

2/13/20

This is interesting. I profiled it, and it turns out it is this line in Processor.Add method: return

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This is interesting. I profiled it, and it turns out it is this line in Processor.Add method: return

2/13/20

Andrew Stanford, Larry LeBron4

11/28/19

Avoiding "duplicate declarations" error when using GroupBuilder

Thanks Larry. I altered the code slightly and got the "OR" working OK; var matchedProperty

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Avoiding "duplicate declarations" error when using GroupBuilder

Thanks Larry. I altered the code slightly and got the "OR" working OK; var matchedProperty

11/28/19

Mark McFadden, Sergiy Nikolayev3

10/28/19

Console App based on the Getting Started page Not Working

Thanks. Knew it was something simple.

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Console App based on the Getting Started page Not Working

Thanks. Knew it was something simple.

10/28/19

Mehdi Cuneyt Askeroglu, Sergiy Nikolayev2

10/23/19

How can I get the current session back?

Please be more specific. In what context do you want to get access to the session?

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How can I get the current session back?

Please be more specific. In what context do you want to get access to the session?

10/23/19

srikanth srivastav, Sergiy Nikolayev2

9/17/19

Calling methods and List support in rul file

I know it's been a while, but in case you are still interested - no, defining methods within

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Calling methods and List support in rul file

I know it's been a while, but in case you are still interested - no, defining methods within

9/17/19

8/9/19

How to apply conditions on two different models in .rul file

Hi Sergiy, I am new to NRules world, but started to working .rul file. I have some doubts on writing

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How to apply conditions on two different models in .rul file

Hi Sergiy, I am new to NRules world, but started to working .rul file. I have some doubts on writing

8/9/19

7/16/19

NRules Running a Compiled Rule Set of Tagged Rules

Hi Sergiy, Should also mention that I'm using NRules Version 0.9.0. Looking forward to your

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NRules Running a Compiled Rule Set of Tagged Rules

Hi Sergiy, Should also mention that I'm using NRules Version 0.9.0. Looking forward to your

7/16/19

7/15/19

Re: Non-linearity of GroupBy

Just to be clear, are you saying that the number of calls to access pw.IssuerId.Value grew linearly?

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Re: Non-linearity of GroupBy

Just to be clear, are you saying that the number of calls to access pw.IssuerId.Value grew linearly?

7/15/19

Mike Doonsebury, Sergiy Nikolayev3

7/12/19

Parallel Processing and Scaling

NRules session is single threaded. To exploit multiple processors you need to break either your

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Parallel Processing and Scaling

NRules session is single threaded. To exploit multiple processors you need to break either your

7/12/19

Sergiy Nikolayev

7/7/19

Re: Memory Usage

In general, Rete algorithm sacrifices memory for performance, by storing all partial matches pre-

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Re: Memory Usage

In general, Rete algorithm sacrifices memory for performance, by storing all partial matches pre-

7/7/19

mon565, Sergiy Nikolayev3

6/25/19

Rules validation

Hi, I have one question. we have a business requirement, that we need to create interface for

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Rules validation

Hi, I have one question. we have a business requirement, that we need to create interface for

6/25/19

Alireza Zamani, Sergiy Nikolayev5

6/14/19

How to inject DbContext into NRules class constructor?

Thanks, Sergiy.

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How to inject DbContext into NRules class constructor?

Thanks, Sergiy.

6/14/19

ARPIT GARG, Sergiy Nikolayev2

6/7/19

NRules (Rule Builder), how to dynamic create rules for query statements?

This has been answered at the forum already: https://groups.google.com/forum/#!topic/nrules-users/

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NRules (Rule Builder), how to dynamic create rules for query statements?

This has been answered at the forum already: https://groups.google.com/forum/#!topic/nrules-users/

6/7/19

Sergiy Nikolayev, Mike Doonsebury3

5/29/19

Re: Undo action doesn't work the first time the condition is cleared, works the second time

I believe the problem was with my understanding of the Yield method. Yield seems to work

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Re: Undo action doesn't work the first time the condition is cleared, works the second time

I believe the problem was with my understanding of the Yield method. Yield seems to work

5/29/19

jose....@gmail.com, … Seva8

5/27/19

More examples using Rule Builder

Hi, Can you post an example of a complex rule achieved with RuleBuilder Please? For example:

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More examples using Rule Builder

Hi, Can you post an example of a complex rule achieved with RuleBuilder Please? For example:

5/27/19

Sergiy Nikolayev

5/8/19

NRules 0.9.0 is released

Release notes: https://github.com/NRules/NRules/releases/v0.9.0

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NRules 0.9.0 is released

Release notes: https://github.com/NRules/NRules/releases/v0.9.0

5/8/19

NRules, Sergiy Nikolayev2

4/23/19

Re: Is it possible to catch validation errors after session.Fire() call?

I don't quite understand what you mean by "validation errors". Session.Fire does not

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Re: Is it possible to catch validation errors after session.Fire() call?

I don't quite understand what you mean by "validation errors". Session.Fire does not

4/23/19

NRules, Sergiy Nikolayev2

4/23/19

How to end sessions?

Session does not implement IDisposable - it does not contain any unmanaged resources. When you are

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How to end sessions?

Session does not implement IDisposable - it does not contain any unmanaged resources. When you are

4/23/19

Mike Doonsebury, Sergiy Nikolayev2

3/12/19

How does the NRules Engine locate facts?

You are right, the engine looks for existing facts using Object.Equals, and does indeed require a

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How does the NRules Engine locate facts?

You are right, the engine looks for existing facts using Object.Equals, and does indeed require a

3/12/19

harsh nanchahal, Sergiy Nikolayev2

2/28/19

NRule Engine for continuous rule invocations

Answered on gitter chat

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NRule Engine for continuous rule invocations

Answered on gitter chat

2/28/19

Mike Doonsebury, … Larry LeBron5

2/26/19

Passing parameters to Rules

Great, thanks for confirming!

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Passing parameters to Rules

Great, thanks for confirming!

2/26/19

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