You realize that each Integer is a unique, immutable object. Java
softens the consequence by auto(un)boxing so that you can use Integer
objects just like int variables.
But Java isn't aware of some Integer being stored as a DRL global.
Therefore, you'll have to call the KnowledgeRuntime method
Hi,
Tried writing in following ways but it gives compilation error.
I actually need to check if two( or more) errorpatterndata - patterns are
existing over particular window time.
What is the correct way to write the same?
rule Fault
when
exists(
ErrorPatternData
Your statement that...
On 19/03/2013, jigna jigna.chha...@igate.com wrote:
When I write in folloiwng way it doesnot give compilation error, however
time window is individually applied to each one of this. which doesnot
satisfy the requirement which is to ensure that both these( or more no of)
I have written simple business rule through DRL which states that if second
event comes after 1 min when the first event has come. This works fine.
I want to achieve same thing using Drools Guvnor. But I am not able to see
options for selecting temporal operators in drools guvnor.
Has anyone
Make sure you Fact type has been marked as an event.
If you are using a Declarative Model you can add the annotation to the type
in Guvnor.
If you are using a POJO model you will still need to annotate it as an
event in Guvnor using a Declarative Model that extends your POJO. This is
covered in
IIRC you will need to annotate the type using a Declarative Model in Guvnor
and not using the package header (which is in reality exploiting a hack to
include arbitrary DRL).
Guvnor 6.0 does not have this limitation and marking a Type as an event
either via the guided Declarative Model editor or
HI all
Is there any samples or documentation for reading and writing of rules?
The user case is we are trying to build a custom Rule Editor, and thus would
like to write and read rules to/from our beans.
Thanks
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Hi,
is there a way to make drools re-evaluate the LHS of a rule when using
from? What I try to achieve is, that following rule is evaluated for
every call of fireAllRules() :
global java.util.Calendar cal
rule test
when
java.util.Calendar() from cal
then
System.out.println(here we
Since there's no way to achieve what you'd like to do:
why don't you simply retract and reinsert the Calendar
fact?
-W
On 19/03/2013, wumb w...@gameduell.de wrote:
Hi,
is there a way to make drools re-evaluate the LHS of a rule when using
from? What I try to achieve is, that following rule
Rules are DRL that is a String.
Where and how you choose to store the String is up to you.
Please try to explain what you want to achieve a little more.
On 19 March 2013 12:49, kurrent93 kurren...@gmail.com wrote:
HI all
Is there any samples or documentation for reading and writing of
As a RETE network is being created, DRL Rules are parsed into an
internal descriptor structure (a high level AST)
and then compiled into a RETE.
There are APIs to create rules at the descriptor level: this can then
be dumped back into DRL.
To work at the DRL level directly, it's common to use
We will be storing the rules in guvnor - and will read/write to guvnor
using the REST api.
We would like to be able to read the rules into our domain model, without
having to write a complex parser.
In order to make a custom rule editor we need to be able to populate the UI
with rule settings
Because it's not a fact, it's a global.
What i basically want to do is to have one rule being fired exactly once
for every call of fireAllRules(). The rule will operate on a global,
that is why i asked the question this way.
What would be the best/simplest way to fulfill that requirement? I
Given the type of object you have in the global (a Calendar) I suspect
actually you may want to try writing the rules with the timers[1]
attributes?
Normally that approach solved for me when timer was involved and in this
case the rule will be evaluated when the session clock changes, without
HI David
Yes we are also looking into rule templates.
We have come up with - what we believe - is a very natural, intuitive and
visually appealing way to author rules. And it is tailored for our specific
domain.
One significant aspect of our work is that we are present drools authoring
to end
If there's no change in the WM, no rule will fire (except for fancy things like
rules with a timer). This is so because that't the whole point of a production
system. It'll have to be a fact, inserted or modified.
-W
On 19/03/2013, wumb w...@gameduell.de wrote:
Because it's not a fact, it's a
Try to move 'from' in 'from accumulate'. Pay attention to and in
'from accumulate'.
$match : PeopleMatch()
$match: Number( intValue 0 )
from accumulate(
$people : List() from
$match.people and
Depending on your model, it may be better to create a DSL as an intermediate
language. That way you have a simplified language, which you control, to parse
in and out, which could be tuned to your own domain model.
Steve
On 19 Mar 2013, at 14:36, kurrent93 kurren...@gmail.com wrote:
HI
thanks Stephen
My knowledge of DSLs is very limited. But isnt the problem still parsing in
the DRL into the DSL? I dont really understand how a DSL helps - but that
is probably due to my lack of knowledge here.
On Tue, Mar 19, 2013 at 4:41 PM, Stephen Masters [via Drools]
If you are going to generate DRL, you need to parse your model into a much more
general language and parse that language back into your model. The APIs don't
save you from doing this, they just mean that you interact with an API to
generate the code, and get some validation, rather than just
Thanks Steve
Yes that sounds like a way forward. I'll do some research on creating a dsl.
Any pointers are appreciated.
Cheers
On Tue, Mar 19, 2013 at 5:20 PM, Stephen Masters [via Drools]
ml-node+s46999n4022887...@n3.nabble.com wrote:
If you are going to generate DRL, you need to parse
Obviously I don't know what your rules and model look like, but it's worth
considering. The DSL templates are designed to be parsed relatively easily,
with a single clause per line, so although they are not always that readable
(if they're generating a lot of DRL code), they do the job of
thanks Steve, that would be greatly appreciated!
I've just been reading up about Antlr and DSLs - all new territory.
Here is a sample rule that we would be likely to generator.
1.|rule close old trades2.|dialect mvel3.|when4.|t :
Tick( ) over window:length (1)5.|closeMe :
I'm receiving this exception when trying to run a model from web browser.
I'm able to run it when I simulate in a class the data, but when I try it
in my browser, i get this exception. I have no clue of why's that
happening. (pom.xml is at the end of the email)
-
SEVERE: Error
Hi I am having the same problems. When i click on the Load Template Data
button nothing happens.
Please let me know if you were able to solve the issue.
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planner uses xstream
xstream uses xmlpull.
Check if the xml pull jar is in your classpath (looks like the
xstream jar is in your classpath).
You can find it in the planner's zip's binaries folder.
Op 19-03-13 20:17, Andr Fres schreef:
What version of Guvnor are you using?
sent on the move
On 19 Mar 2013 19:27, IPatel ishita.pa...@usbank.com wrote:
Hi I am having the same problems. When i click on the Load Template Data
button nothing happens.
Please let me know if you were able to solve the issue.
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I'm using 5.5
On Mar 19, 2013 8:54 PM, manstis [via Drools]
ml-node+s46999n4022895...@n3.nabble.com wrote:
What version of Guvnor are you using?
sent on the move
On 19 Mar 2013 19:27, IPatel [hidden
email]http://user/SendEmail.jtp?type=nodenode=4022895i=0
wrote:
Hi I am having the same
i am using 5.5 as well
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rules-users mailing list
Ok. Thanks.
I'll take a look tomorrow.
sent on the move
On 19 Mar 2013 20:03, IPatel ishita.pa...@usbank.com wrote:
i am using 5.5 as well
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Thanks Geoffrey, I took a look there and noticed that there isn't that
xmlpull, I added it and now I'll try again, clean and build in progress and
restarted the gf.
Thanks for the tip, I'll post the result.
2013/3/19 Geoffrey De Smet ge0ffrey.s...@gmail.com
planner uses xstream
xstream uses
Hello,
I tried with the latest 5.5.x branch code and could not replicate the issue
you both report.
These are the steps I followed:-
1) Create a new Rule Template
2) Add a Fact Type
3) Add a Field constraint, with the value defined as a Template Key.
4) Change Template Key name
5) Click OK
6)
Well I just tried again, but now I am unable to reproduce the error.
Must have been a momentary glitch in the matrix.
I will try a few more times to reproduce it.
On Tue, Mar 19, 2013 at 10:10 PM, manstis [via Drools]
ml-node+s46999n4022901...@n3.nabble.com wrote:
Hello,
I tried with the
Hi,
i'm evaluating Drools Planner as a solver for a normal OP problem but i
can't find any example of drools usage on problems with partial set as a
feasible solution, all drools examples and use cases seems to always try to
plan every object even if that makes the solution unfeasible.
I was
Drools provide us with a drools-jbpm integration plugin, in which there is an
option of guvnor repository.
you can provide the link to your guvnor repository. Once that is done, you
can right click on your DRL file - Guvnor - Add - Select the package and
you are good to go :)
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For example,
I have a HasMap
MapString, Integer map = new HashMapString,Integer();
map.put(amount,12);
My DRL is as follows :
when
$h : HashMap(this[amount]!=null)
then
//something
or
when
$h : HashMap(this[amount] 10)
then
//something
i just want the object
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