Thanks for your help on this laune
Mark, do you require any additional input?
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What (I think) you are trying to do is not possible.
But I wouldn't say that it cannot be done using DSL. What sort of
collect/accumulate do you need?
-W
On 18/02/2013, David R Robison wrote:
> I am developing rules using DSL so, from what I understand, I cannot use
> collect and accumulate in
function int slackTicks(){ return 42; } // oops
On 19/02/2013, Wolfgang Laun wrote:
> Here's another one for your collection of constant workarounds:
>function int slackTicks(){ returns 42; }
> -W
>
> On 18/02/2013, Willem van Asperen wrote:
>> Hi All,
>>
>> I have a bunch of rules that ev
Here's another one for your collection of constant workarounds:
function int slackTicks(){ returns 42; }
-W
On 18/02/2013, Willem van Asperen wrote:
> Hi All,
>
> I have a bunch of rules that evaluate using some constant variable (say
> "slackTicks"). Currently, in my rules, I write down the v
Just to let you know that I've raised an issue:
https://issues.jboss.org/browse/DROOLS-44
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On 18 Feb 2013, at 13:03, Wolfgang Laun wrote:
> Here is another quote from "Expert" (4.8.3.3.2., Property access on
> Java Beans), which raises some doubt.
>
>
> In a stateful session, care should be taken when using nested
> accessors as the Working Memory is not aware of any of the nested
>
On 18 Feb 2013, at 09:07, Wolfgang Laun wrote:
> Mark,
>
> On 18/02/2013, Mark Proctor wrote:
>> stateless is just a wrapped stateful session - insert, update and delete
>> work as normal.
>
> So let's get this straight, this quote from the "Expert" manual which
> does NOT refer to sequential
Well.. we're using stateless knowledge so just for testing I changed it to
stateful knowledge and it's not complaining about that Class cast exception
but there are some other issues...
First, I got "Unexpected global" error and I just put a try/catch to proceed
now it doesn't return the validatio
I am developing rules using DSL so, from what I understand, I cannot use
collect and accumulate in some of my DSL definitions (especially when
using clauses that begin with a hyphen). So what I want to do is to test
the count of a pattern binding variable, such as
when
$sensors : Sensor()
We use dedicated Java classes named after the kind of constant they
represent, like Slack in your case or RetirementAge, LegalAgeThreshold.
Most of the time, they contain a single property "value".
This makes it easy to use Drools patterns to match them, plus we get rather
strong type checking dur
Hi
I've configurated KnowledgeAgent like this and it was working with PKG files
from guvnor, but when i changed path and type of recources to DRL when i
trying to run it on server i have such warning in logs and KnowledgeBase is
empty and no rules are fired:
KnowledgeAgent: impossible to add a m
Hi All,
I have a bunch of rules that evaluate using some constant variable (say
"slackTicks"). Currently, in my rules, I write down the value of this
"slack" each and every time I use it, for example:
|TransferSchedule( tick > currentTick - 10d )|
where 10 is the slack.
A solution would be to i
Is there a way to effective date a rule through a program?
Requirement:
without using the Guvnor UI to write the rules, trying to upload a .drl file
using REST APIs which already has rules specified "without" the
date-effective/date-expire attributes. Is there a way to maintain versions
that could
I found (i guess) a way to iterate over list, but it is not comparing and
assigning the workorder now. I tried this way:
-
rule "requiredSkill"
when
There is an unassigned workorder
and the workorder has a requiredSkill other than null
and there is an engine
I would like to use drools in following scenario.
Say, I have a goal of producing 200 vehicles (each vehicle also has a random
priority). My factory can only produce 50 vehicles a day.. Thus, with this
constraint.. my 200 vehicles will get produced over next 4 days. I would
like to notify people a
Dear all, I want to deploy pkg from guvnor by KnowledgeAgent. The code like
below:
KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent(
"MyAgent" );
kagent.applyChangeSet(
ResourceFactory.newUrlResource("http://localhost:8080/guvnor/org.drools.guvnor.Guvnor/package/test
A simple tip when creating DSLs:
Write an example rule as DRL first!
:)
Then, if it's working DRL code (get familiar with unit testing rules) use DSL
to map 'plain English' phrases to the DRL code you just wrote.
It's then also worth writing a simple unit test around a hand-cranked DSR
On 18/02/2013, pdario wrote:
> laune wrote
>> There is always just one fit; it just seems that there are multiple
>> fits - when you define your individual cases sloppily.
>
> Well, this is an assumption to get a completely disjointed classification,
> but this is not my case.
>
> I have a first l
Op 18-02-13 16:34, Willem van Asperen schreef:
On 02/18/2013 02:35 PM, Geoffrey De Smet wrote:
Op 18-02-13 14:00, Willem van Asperen schreef:
On 02/18/2013 11:11 AM, Willem van Asperen wrote:
Hi All,
Just wanted to share with you an easy mistake. This is done running
Drools 5.5.0.Final.
Hello everyone!
How can I compare 2 lists with a rule?
I upgraded my basic model to a more complex one now, but now I hit a wall.
My WorkOrder have a List of skills, and my Engineer also have a list of
Skills and I have to compare one with another.
Example:
Engineer A have skill ABC 1
Engineer B
laune wrote
> There is always just one fit; it just seems that there are multiple
> fits - when you define your individual cases sloppily.
Well, this is an assumption to get a completely disjointed classification,
but this is not my case.
I have a first level discount if you pay online and a seco
Thank you for your response.
Here is the another option i used. Instead of using variable $item. I used
the fact itself as following:
[then] Charge a fee = Transcation.setChargeFee( true)
when i used this i am getting "There was an error executing the consequence
of rule"...
Any idea how can i f
Yes you can. The problem you are having is because "Charge a fee" is using
$item variable and that variable is not bound in "When the loan application
is submitted".
Best Regards,
Esteban Aliverti
- Blog @ http://ilesteban.wordpress.com
On Mon, Feb 18,
A basic question about writing DSL rules. I am not sure if i am using correct
terminology to ask the following question.
I have the following in my DSL Configuration:
[when] When the transcation is credit= $item:Item(CDIndicator == "Credit")
[then] Charge a fee = $item.setChargeFee (true)
[when]
On 02/18/2013 02:35 PM, Geoffrey De Smet wrote:
>
> Op 18-02-13 14:00, Willem van Asperen schreef:
>> On 02/18/2013 11:11 AM, Willem van Asperen wrote:
>>> Hi All,
>>>
>>> Just wanted to share with you an easy mistake. This is done running
>>> Drools 5.5.0.Final.
>>>
>>> Imagine a fact
>>>
>>> |Che
Hi Wolfgang,
thanks for having reported this.
I fixed it in mvel and as usual the fix will be available with the next
mvel release.
Cheers,
Mario
On Sun, Feb 17, 2013 at 5:32 PM, Wolfgang Laun wrote:
> Below is a fully self-contained DRL that compiles correctly but runs
> into a runtime error w
Op 18-02-13 15:09, Wolfgang Laun schreef:
> On 18/02/2013, Geoffrey De Smet wrote:
>> I think so too.
>> It looks like the : operator has a higher precedence then + (and
>> therefor >= too), which is a bit surprising indeed.
>> Personally, I never mix the : operator with other operators, to avoid
Unfortunately the server I was using locked up last night and I cannot get
access. I'll have to find an interim system where I can run tests and profile
the heap. In the meantime, I switched to a Sequential Stateless Session. I
don't know the internals of Drools, but since this seems to turn
On 18/02/2013, Geoffrey De Smet wrote:
> I think so too.
> It looks like the : operator has a higher precedence then + (and
> therefor >= too), which is a bit surprising indeed.
> Personally, I never mix the : operator with other operators, to avoid
> having to worry about the precendence.
Is it
You need to be careful that none of the classes in your jar have dependencies
that are not also in the jar or on the server classpath. They can be messed up
through the use of a JPA or Spring annotation for instance.
I tend to create a separate Maven project for my fact model, purely to ensure
Op 18-02-13 13:26, Michiel Vermandel
schreef:
>With HashSet/Map, that order changes
because Object.hashCode() returns different ints, placing
elements in different HashSet buckets, which results into a
different order.
Op 18-02-13 14:00, Willem van Asperen schreef:
On 02/18/2013 11:11 AM, Willem van Asperen wrote:
Hi All,
Just wanted to share with you an easy mistake. This is done running
Drools 5.5.0.Final.
Imagine a fact
|Cheese (||
||creationTick : double||
||preservationTicks : double||
||)|
The JAR must be a regular Java JAR file.
There were issues on older versions of Guvnor that meant that once a JAR
had been uploaded you needed to restart the web-server, but I believe this
has been resolved.
Building the package should give you all validation errors. The warning
icon, I assume be
Here is another quote from "Expert" (4.8.3.3.2., Property access on
Java Beans), which raises some doubt.
In a stateful session, care should be taken when using nested
accessors as the Working Memory is not aware of any of the nested
values, and does not know when they change.
So, I don't have
On 02/18/2013 11:11 AM, Willem van Asperen wrote:
> Hi All,
>
> Just wanted to share with you an easy mistake. This is done running
> Drools 5.5.0.Final.
>
> Imagine a fact
>
> |Cheese (||
> ||creationTick : double||
> ||preservationTicks : double||
> ||)|
>
> Then the following does not do
>With HashSet/Map, that order changes because Object.hashCode() returns
>different ints, placing elements in different HashSet buckets, which results
>into a different order.
Does this mean that in an implementation without "Combination of Simulated
Annealing with time spend termination", maps
Sorry to ask this basic question. What does the pojo.jar contain? Is there a
required format for the class. Is there an example? I tried to pack the
.java and the .class in various formats, but even though the upload is
working there is a warning sign next to the asset and I can not use the
conte
Hi All,
Just wanted to share with you an easy mistake. This is done running
Drools 5.5.0.Final.
Imagine a fact
|Cheese (||
||creationTick : double||
||preservationTicks : double||
||)|
Then the following does not do what you expect:
|rule "dump old cheese"||
||when||
||$c :
I'll insert a sentence stating that all the RHS operations
insert/modify/delete are still possible. The strong negative in the
quoted sentence needs to be balanced.
-W
On 18/02/2013, Wolfgang Laun wrote:
> Mark,
>
> On 18/02/2013, Mark Proctor wrote:
>> stateless is just a wrapped stateful sessi
On 18/02/2013, pdario wrote:
> Hello, the "tinting" example from the whitepaper assumes each Tint fits
> exactly one Param, right?
> This is not my case, as a Cart can match different discounts and we want to
> assign the highest possible.
There is always just one fit; it just seems that there ar
Mark,
On 18/02/2013, Mark Proctor wrote:
> stateless is just a wrapped stateful session - insert, update and delete
> work as normal.
So let's get this straight, this quote from the "Expert" manual which
does NOT refer to sequential mode!!) is wrong and should be removed:
Stateless sessions do
Hello, the "tinting" example from the whitepaper assumes each Tint fits
exactly one Param, right?
This is not my case, as a Cart can match different discounts and we want to
assign the highest possible.
Is the pattern still suitable?
Another thing I see is Param is evaluating plain attributes fro
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