seanpmaxwell / trool Goto Github PK

I was wondering if Trools has the capability to configure a rule in CSV that has an AND / OR.

( variable1 = 1 and variable1 = 2 ) OR ( variable3 = 3 and variable4 = 4 ).

Drools a similar rule engine has a feature called ACTIVATION-GROUP to stop execution if one rule in the same activation group evaluates to T.

A question:

• what is the status of the Trool project? is it still actively maintained ?
  I understand that the main goal of theprject is reached so that there is no need for further dev, yet if there are some community needs, or some bugs found, is there still some support?
• additionally if some of us want to continue work on it, improve it, is there a help from creators available to answer on some questions to understand the code?

Hi,
I'm trying to find a way to compare 2 facts. So for example if I have

priceOne
priceTwo

and I want a rule to use whichever price is lower. If rules have to be of the form

fact (operator) $param

where param is specified in the table, I don't think I can do that?
thanks

Hello I'm currently working on your lib: He is what I discover

1)"While on a rule's action column, each param specified must be separated by a comma. If no params are specified (the cell is blank), the rule will skip that action column."

I would like to put n parameter $param in my method actions according to your rules:
eg ==> addNumber($param $param) , on the next row I have to put:
eg ==> 2, 3 separated by comma.
I got the follow issue :
Error: Error on DecisionTable(ADDITION) : The number of params for an action operation must match the number of argument for the method: addNumber($param $param)

I resolved that issue by modifying the source code :
SOLUTION 1:
filename: engine.ts
method: callActionOp()
line: var cellVals = cellValStr.split(';') changing the comma into semi colon

EDIT :
SOLUTION 2:
add quote in the csv for example: addNumber($param $param) --> "3,5"
Because my CSV was delimiter by comma so I'm getting trouble to seperate parameters for a same action

2)Can we do something like cond1 ==> action1 ==> condi2 ===> action2 ?
seems that the 1st table will be overwrited by the 2nd...

3)Finally, Can I return the result to another object other than the Fact object? Does it have to be inside of that object or I can put that fact to another object?

Thank you in advance for your reply.

Hey there,

Thank you for such an amazing library.

We gave this a try and it works quite well, but we want to make sure that it can scale up as the ruleset size increases and the request-load increases, how would this tolerate load.

Would it be better to load the CSV just once, return an instance object, and then let the user call applyRules as many times as needed? This will reduce reading the file from a disk again and again on every evaluation call.

Let me know what you think.
Cheers, Anuraag.

Hello,
I was wondering if there is any feature to export or read rules that are already in the .csv file. This would save a lot of time and handling when attempting to read the table on our own.