3:39 a.m.
Hi
In drools in deployment we get the below link.
http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/xxxx...
We need to include this in properties file in application wherein this URL
is mentioned.
How can one protect unauthorized access to this URL as the whole set of
rules can be viewed for this .
Nilima
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Today's Topics:
1. Re: Negating a result (Wolfgang Laun)
2. Re: Negating a result (djb)
3. Re: Negating a result (Wolfgang Laun)
4. Re: guvnor - dsl rule editor - using ":" in text box
(Toni Rikkola)
5. Re: getWorkingMemoryEntryPoint returns NULL (Wolfgang Laun)
6. Insert new facts from RHS (Malinda Kaushalye)
7. Re: Insert new facts from RHS (Mauricio Salatino)
8. Re: Insert new facts from RHS (Enda J Diggins)
----------------------------------------------------------------------
Message: 1
Date: Wed, 17 Feb 2010 09:48:50 +0100
From: Wolfgang Laun <wolfgang.laun(a)gmail.com>
Subject: Re: [rules-users] Negating a result
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID:
<17de7ee81002170048j6898203br6a73e2e2962cbc79(a)mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Please be more specfic. If your field is called "foo", then
should have a method in the class representing
your fact, such as:
boolean getFoo(){
return <condition> ? ! (<expression>) : <expression>;
}
Basically, <condition> could be a global parameter (public static final)
or a static or regular method call. <expression> could depend on other
attribute values, and so on.
You can then write your CEs with a test such as
foo == true
But I think this is closely related with that other question you
have posted.
-W
On Wed, Feb 17, 2010 at 9:32 AM, djb <dbrownell83(a)hotmail.com> wrote:
Hi Wolfgang,
Sure, I know de Morgan's laws, but I'm not asking how one can negate a
condition...
I'm asking how one can either negate or not negate, based on a test...
and
whether I'm going to have to split my spreadsheet/rule-template
into 2,
(i.e. 1 for "may not be" rules, 1 for "must be" rules).
My spreadsheet has a field that in Java would be expressed as field ?
!finalResult : finalResult
But in DRL, it seems the lack of a ternary operator means I have to
split
my
rule-set, and I'm just checking if this is the case.
-Daniel
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Message: 2
Date: Wed, 17 Feb 2010 02:02:08 -0800 (PST)
From: djb <dbrownell83(a)hotmail.com>
Subject: Re: [rules-users] Negating a result
To: rules-users(a)lists.jboss.org
Message-ID: <1266400928420-212797.post(a)n3.nabble.com>
Content-Type: text/plain; charset=us-ascii
Well the thing is, it's not just one condition - it's the combination of
all
my rule's conditions.
And my rules have about 7 conditions, none of which are mandatory.
And that is actually the source of all my problems: that the conditions
are
optional.
If I set up a few logical relationships, there is nothing specific I am
testing on, which gives a single expression I can test in a function. In
procedural programming, I check each of the 7 conditions optionally, and
then I apply my ternary operator to the final result. But here I can't do
that, because the condition is made up of all the little conditions that
may
or may not be applicable.
PS.
Ok, so I see from the other thread that a rule template is meant to place
whatever text you give it, like a text pre-processor. I'll see if that is
correct, thanks. I thought it might not be, because if you provide a
blank
cell, it deletes your entire condition, instead of providing a "" or a
null,
like you'd expect from a text pre-processor.
--
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------------------------------
Message: 3
Date: Wed, 17 Feb 2010 11:33:14 +0100
From: Wolfgang Laun <wolfgang.laun(a)gmail.com>
Subject: Re: [rules-users] Negating a result
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID:
<17de7ee81002170233s62e0353fs50d439c532c75e82(a)mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
On Wed, Feb 17, 2010 at 11:02 AM, djb <dbrownell83(a)hotmail.com> wrote:
Ok, so I see from the other thread that a rule template is meant to
place
whatever text you give it, like a text pre-processor. I'll see
if that
is
correct, thanks.
I implemented this, so I hope I still know what I did. :-)
I thought it might not be, because if you provide a blank
cell, it deletes your entire condition, instead of providing a "" or a
null,
like you'd expect from a text pre-processor.
The idea of the interface for generating rules from object collection
is to avoid the constraints of spreadsheet translation.
-W
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Message: 4
Date: Wed, 17 Feb 2010 12:33:10 +0200
From: Toni Rikkola <trikkola(a)redhat.com>
Subject: Re: [rules-users] guvnor - dsl rule editor - using ":" in
text box
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID: <4B7BC5E6.6040704(a)redhat.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Tested it and this is a bug.
I made a Jira for it so you can follow it.
https://jira.jboss.org/jira/browse/GUVNOR-505
Toni
John Walker wrote:
All,
I have a DSL sentence that looks like this:
[when]- and var9 matches {v9}=field9!=null, field9 matches "{v9}"
When using the Guvnor guided rule editor, I add the "- and var9
matches {v9}" DSL sentence to the rule, giving me a WHEN condition
like this:
- and var9 matches [text box]
I want to put a URL in the text box, but anytime I use a value
containing a colon":",
I get a popup box with error message "The value [some value with a
colon] is not valid for this field"
Example:
DSL in rule, using guvnor guided editor: "- and var9 matches
[http://google.com]"
Popup error message: "The value http://google.com is not valid for
this field"
What needs to happen to allow a value with a colon? I did not have
this problem with drools4 and JBRMS.
Thanks,
John
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------------------------------
Message: 5
Date: Wed, 17 Feb 2010 13:59:03 +0100
From: Wolfgang Laun <wolfgang.laun(a)gmail.com>
Subject: Re: [rules-users] getWorkingMemoryEntryPoint returns NULL
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID:
<17de7ee81002170459y5c64fe34p2922245f510decfc(a)mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Do you use "global" in your rules? This would be the "declaration" of
an
entry point.
Also, KnowledgeSessionConfiguration should be passed to the method call
creating a session, which I don't see in your code.
-W
On Wed, Feb 17, 2010 at 2:16 AM, Malinda Kaushalye
<kaushalye(a)yahoo.com>wrote:
Dear All,
It appears to be that the getWorkingMemoryEntryPoint() method returns
NULL
in my code given below.
Note that EventProcessingOption = STREAM and ClockType = "realtime" if
that
is of any importance.
Cheers,
Malinda
public class EventKnowledgeBase { private KnowledgeBase kbase = null;
private StatefulKnowledgeSession ksession = null; private
WorkingMemoryEntryPoint globalStream = null;
public EventKnowledgeBase() throws Exception {
super();
kbase = readKnowledgeBase();
ksession = kbase.newStatefulKnowledgeSession();
KnowledgeBaseConfiguration config =
KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
config.setOption( EventProcessingOption.STREAM );
KnowledgeSessionConfiguration kbSessionConfig =
KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
kbSessionConfig.setOption( ClockTypeOption.get("realtime") );
globalStream = ksession.getWorkingMemoryEntryPoint( "global" );
if(null == globalStream){
System.out.println("WorkingMemoryEntryPoint is Null"); //YEAH..! IT
RETURNS NULL
}
}
}
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Message: 6
Date: Wed, 17 Feb 2010 08:25:37 -0800 (PST)
From: Malinda Kaushalye <kaushalye(a)yahoo.com>
Subject: [rules-users] Insert new facts from RHS
To: rules-users(a)lists.jboss.org
Message-ID: <817565.1542.qm(a)web56503.mail.re3.yahoo.com>
Content-Type: text/plain; charset=utf-8
Hi All,
How do I insert new facts/events to the working memory from RHS?
rule "myrule"
when
//Some condition
then
//Create and Insert some new events/facts to the working memory
end
Cheers,
Malinda
------------------------------
Message: 7
Date: Wed, 17 Feb 2010 13:35:40 -0300
From: Mauricio Salatino <salaboy(a)gmail.com>
Subject: Re: [rules-users] Insert new facts from RHS
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID:
<efac615a1002170835q3ee9c0d8o8d1efada0ef1e310(a)mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
just calling
insert(new Person());
in the RHS
On Wed, Feb 17, 2010 at 1:25 PM, Malinda Kaushalye
<kaushalye(a)yahoo.com>wrote:
Hi All,
How do I insert new facts/events to the working memory from RHS?
rule "myrule"
when
//Some condition
then
//Create and Insert some new events/facts to the working memory
end
Cheers,
Malinda
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Message: 8
Date: Wed, 17 Feb 2010 16:38:35 +0000
From: Enda J Diggins <ejdiggins(a)gmail.com>
Subject: Re: [rules-users] Insert new facts from RHS
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID:
<55587e551002170838u27e625efqa41ca3973564c91(a)mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Hi Malinda,
rule "myrule"
when
//some condition
then
insert(new Object());
// or
Variable var = new Variable();
insert(var);
end
On Wed, Feb 17, 2010 at 4:25 PM, Malinda Kaushalye
<kaushalye(a)yahoo.com>wrote:
Hi All,
How do I insert new facts/events to the working memory from RHS?
rule "myrule"
when
//Some condition
then
//Create and Insert some new events/facts to the working memory
end
Cheers,
Malinda
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