RulesEngine | Json based Rules Engine with extensive Dynamic expression | Rule Engine library
kandi X-RAY | RulesEngine Summary
kandi X-RAY | RulesEngine Summary
Rules Engine is a library/NuGet package for abstracting business logic/rules/policies out of a system. It provides a simple way of giving you the ability to put your rules in a store outside the core logic of the system, thus ensuring that any change in rules don't affect the core system.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of RulesEngine
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Trending Discussions on RulesEngine
QUESTION
Just a question so I can better understand Rust.
Why does this fail:
...ANSWER
Answered 2021-Dec-01 at 23:05I believe the error is a mis-diagnosis of the problem. There have been compiler bugs in the past where the message incorrectly blames the loop for uninitialized variables. Perhaps this is another one of those cases.
The core issue is you are trying to assign a field to an uninitialized value:
QUESTION
I'm assuming I've made a stupid mistake here, but wondering if someone could assist?
I am trying out the following library:
...ANSWER
Answered 2021-Jun-20 at 06:59The expectation for the RulesEngine(string[], ILogger, ReSettings)
constructor is that each element of the string array is a complete JSON object. In your case, you've provided just a single line per array element.
Given that your text file already contains a collection of rules, you should deserialize it yourself, and pass the deserialized collection into the constructor accepting a WorkflowRules[]
:
QUESTION
I've just started exploring Dart language and I wanted to test an existing code that I wrote in Java as given:
...ANSWER
Answered 2020-Aug-11 at 07:56That looks like something I'd do by:
QUESTION
I am using JSON descriptor
to load rules using easy-rules and I want to use variables in easy rules actions
. For example I have a set of rules where I define rule id, name, description as given below
ANSWER
Answered 2020-May-15 at 20:13Summarising, no and yes!
To get to how, you have to understand that as long as a variable is present as a Fact
or somehow it is present in MVEL
context, it can be resolved.
Here's detailed answers-
Use rule
name
,description
inside actions?
No. You can't use Rule
's name
and description
inside an Action
. To use external variables inside rules, you'll have to add them as facts. If you want that ability, use drools
which is much more feature rich and heavy framework.
Use a variable under actions?
This you can do, however not the way you have. def
has a special meaning inside MVEL
. So to use variables, you can do either of these things-
Define variable as separate action item:
QUESTION
Ive been trying to instantiate a genserver process that will subscribe to PubSub in Phoenix framework, these are my files and errors:
config.ex:
...ANSWER
Answered 2020-May-06 at 04:32As by documentation, Phoenix.PubSub.subscribe/3
has the following spec:
QUESTION
Im trying to get the value of a map by running Code.eval_string/1 and it fails with error:
...ANSWER
Answered 2020-Apr-16 at 17:39First of all, consider whether you actually need all this flexibility. Code.eval_string
runs the code without any checks or restrictions whatsoever, so this potentially opens a security hole in the code. I would do something like this instead:
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