6:27 a.m.
It is a Test Code , and i am very new to java and drools
i have a inbuilt
rule "bundle A - included units"
dialect "mvel"
when
$order : OrderDTO( )
$line : OrderLineDTO( itemId == 16, $quantity : quantity ) from
$order.lines
SubscriptionResult( userId == $order.userId, itemId == 12, subscribed ==
true )
$pricing : PricingResult(userId == $order.userId, itemId == 13)
then
$order.getLines().remove($line);
OrderLineBL.addItem($order, 13, new Integer($quantity.intValue()),
$pricing.getPrice());update($order);
end
i want to modify this rule like
rule "bundle A - included units"
dialect "mvel"
when
$order : OrderDTO( )
$line : OrderLineDTO( itemId == param1, $quantity : quantity ) from
$order.lines
SubscriptionResult( userId == $order.userId, itemId == param2, subscribed
== true )
$pricing : PricingResult(userId == $order.userId, itemId == param3)
then
$order.getLines().remove($line);
OrderLineBL.addItem($order, param3, new Integer($quantity.intValue()),
$pricing.getPrice());update($order);
end
1.i want to replace hardcoded value to params as ItemId16 to param1
,Itemid12 to param2 so when any one see my rule can not guess about
hardcoded value. and i want that the values of param1,param2 some how come
from database
2.Till now what i did from my reading and exploring is
i have created java functions in jboss which returns value like
GetParam1(some var),GetParam2(some var),GetParam3()
i tested them in jboss drools application they are working fine
3. then i build package and upload in guvnor
4.while writing technical ander Fact field i am getting only GetParam3() not
GetParam1(some var) and
GetParam2(some var)
5. I dont know why . when i remove parameter value say make GetParam1() ,
without parameter it comes under class field.
6. please tell me is it right approach and if right then how i handle
GetParam1(some var) ,because they return param1 value which passed in
modified rule
--
View this message in context:
http://drools-java-rules-engine.46999.n3.nabble.com/Modifying-in-built-ru...
Sent from the Drools - User mailing list archive at Nabble.com.
2:08 p.m.
New subject: Modifying in built rule in new formatt
Why not put the parameters into a "container" Fact in WM?
rule "bundle A - included units"
dialect "mvel"
when
Parameters($p1 : param1, $p2 : param2, $p3 : param3)
$order : OrderDTO( )
$line : OrderLineDTO( itemId == $p1, $quantity : quantity )
from
$order.lines
SubscriptionResult( userId == $order.userId, itemId == $p2,
subscribed
== true )
$pricing : PricingResult(userId == $order.userId, itemId ==
$p3)
then
$order.getLines().remove($
line);
OrderLineBL.addItem($order, $p3, new
Integer($quantity.intValue()),
$pricing.getPrice());update($order);
end
You could load the "Parameter" objects either with a lower salience rule
or
from Java; both from a database.
The issues with Guvnor sound like a bug to me and I request you raise a JIRA
for investigation.
Thanks,
Mike
On 27 December 2010 12:27, wasim.khan318 <khanwasim07(a)yahoo.co.in> wrote:
It is a Test Code , and i am very new to java and drools
i have a inbuilt
rule "bundle A - included units"
dialect "mvel"
when
$order : OrderDTO( )
$line : OrderLineDTO( itemId == 16, $quantity : quantity )
from
$order.lines
SubscriptionResult( userId == $order.userId, itemId == 12,
subscribed ==
true )
$pricing : PricingResult(userId == $order.userId, itemId ==
13)
then
$order.getLines().remove($line);
OrderLineBL.addItem($order, 13, new
Integer($quantity.intValue()),
$pricing.getPrice());update($order);
end
i want to modify this rule like
rule "bundle A - included units"
dialect "mvel"
when
$order : OrderDTO( )
$line : OrderLineDTO( itemId == param1, $quantity : quantity
) from
$order.lines
SubscriptionResult( userId == $order.userId, itemId ==
param2, subscribed
== true )
$pricing : PricingResult(userId == $order.userId, itemId ==
param3)
then
$order.getLines().remove($line);
OrderLineBL.addItem($order, param3, new
Integer($quantity.intValue()),
$pricing.getPrice());update($order);
end
1.i want to replace hardcoded value to params as ItemId16 to param1
,Itemid12 to param2 so when any one see my rule can not guess about
hardcoded value. and i want that the values of param1,param2 some how come
from database
2.Till now what i did from my reading and exploring is
i have created java functions in jboss which returns value like
GetParam1(some var),GetParam2(some var),GetParam3()
i tested them in jboss drools application they are working fine
3. then i build package and upload in guvnor
4.while writing technical ander Fact field i am getting only GetParam3()
not
GetParam1(some var) and
GetParam2(some var)
5. I dont know why . when i remove parameter value say make GetParam1() ,
without parameter it comes under class field.
6. please tell me is it right approach and if right then how i handle
GetParam1(some var) ,because they return param1 value which passed in
modified rule
--
View this message in context:
http://drools-java-rules-engine.46999.n3.nabble.com/Modifying-in-built-ru...
Sent from the Drools - User mailing list archive at Nabble.com.
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
3:13 a.m.
New subject: Modifying in built rule in new formatt
i am not getting sir what you mean by put the parameters into a container
Fact in WM
--
View this message in context:
http://drools-java-rules-engine.46999.n3.nabble.com/Modifying-in-built-ru...
Sent from the Drools - User mailing list archive at Nabble.com.
4:05 a.m.
New subject: Modifying in built rule in new formatt
what if i have multuple combinations
say i have a database
ItemId CustomerId Price
1 10 20
1 11 30
a java class
public class Item
{
int ItemId;
int CustomerId;
int Price;
//
//geter and seter
//and a function to find price
}
i want to write
when
ItemId=$iyemid and CustomerId=$cid
then
Apply Specialprice
1as you say here i have multiple combinations in field
2 and what i think from your post i can store only one combination as a
class instance in WM
--
View this message in context:
http://drools-java-rules-engine.46999.n3.nabble.com/Modifying-in-built-ru...
Sent from the Drools - User mailing list archive at Nabble.com.
12:15 a.m.
New subject: Modifying in built rule in new formatt
what exactly you mean by lower salience rule
--
View this message in context:
http://drools-java-rules-engine.46999.n3.nabble.com/Modifying-in-built-ru...
Sent from the Drools - User mailing list archive at Nabble.com.
12:31 p.m.
New subject: Modifying in built rule in new formatt
1) You insert Facts into WM like records into a RDBMS and rules can be
considered with some equivalence to RDBMS triggers. So if you insert 2
"container" facts into WM the rules will match for each container fact
separately. E.G. (pseudo code):-
class ParamContainer {
private int p1;
private int p2;
private int p3;
//Getters...
}
ParamContainer pc1 = new ParamContainer(1, 2, 3);
ksession.insert(pc1);
ParamContainer pc2 = new ParamContainer(5, 6, 7);
ksession.insert(pc2);
ksession.fireAllRules();
rule "one"
when
ParamContainer($p1 : p1, $p2 : p2, $p3 : p3)
...
then
//do something
end
Rule "one" will trigger twice, once for object pc1 and again for pc2.
2) Lower salience rules have their activations on yhre agenda executed
beforre other higher salience rules. So you can use low salience rules to
initialise state or bootstrap processing. E.G (more pseudo code):-
rule "bootstrap"
salience -10
when
then
//Could equally read from a RDBMS
insert(new ParamContainer(1, 2, 3));
insert(new ParamContainer(4, 5, 6));
end
rule "my business rules"
salience 0
when
ParamContainer($p1 : p1, $p2 : p2, $p3 : p3);
...
then
...
end
On 29 December 2010 06:15, wasim.khan318 <khanwasim07(a)yahoo.co.in> wrote:
what exactly you mean by lower salience rule
--
View this message in context:
http://drools-java-rules-engine.46999.n3.nabble.com/Modifying-in-built-ru...
Sent from the Drools - User mailing list archive at Nabble.com.
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
5080
days inactive
5083
days old
5 comments
2 participants
participants (2)
-
Michael Anstis -
wasim.khan318