Migration of Drools 4.0.7 to 5.2.0 version
by Jain, Vaibhav
Hi,
Can anyone please answer the following ?
1. Is Drools 5.2.x backward compatible with drl files syntax of
4.0.7 ?
2. If there any comparison sheet for performance, stability,
features between 5.2 and 4.0.7 ?
3. What are the major challenges in Upgrading Drools from 4.0.x to
Drools 5.2.x ?
Kind Regards,
Vaibhav Jain
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13 years, 4 months
drools OSGI bundle for 5.1.1
by Salina Fung/UFL - ICIL
Is it somewhere I can get the OSGI bundle for 5.1.1 or
if I can get a pom.xml somewhere to build one. The zip
file that I downloaded without any pom.xml
Thanks
Salina
13 years, 4 months
how to eval with property inside a nested object
by gmkumar2005
Hi everyone.
I have a BaseProduct with paymentMode as a property
BaseProduct is assigned to a Customer
Customer creates a uProduct. uProduct is a customized product created by the
customer. It contains multiple BaseProducts.
for eg
Music is a Baseproduct with Wire paymentMode
Picture is a product with CreditCard paymentMode
Movie is a product with DebitCard paymentMode
iPod is a uProduct which contains Music and Pictures implies that it
supports Wire and CreditCard
iPad is a uProduct with contains Music, Movies and Pictures implies that it
supports all paymentModes
rule "Non Mandatory"
// calculates all non mandatory fields for display
when
$transaction : Transaction($paymentModes :uProduct.baseProduct)
// select all the paymentModes supported by the uProduct
$displayMode : Property(payMode in $paymentModes)
// select a property which has a valid paymentMode
... someOther conditions ....
then
...
in the above rule $paymentModes returns arrayList of baseProducts. But I
want to access the list of paymentModes. ie, when Transaction has iPod
$paymentMode should return [wire,CreditCard], when Transaction has iPad it
should return [wire,CreditCard,DebitCard]
Question : How do I access array of a selected property which are again part
of Array of an object ?
Any suggestion ?
Thanks a lot.
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13 years, 4 months
Drools Rule Editor based on Eclipse RCP
by magendo
Would it be possible to build a Drools Rule Editor based on the Eclipse RCP?
I'd like to have an rule editor which works similar to guvnor, but I need to
integrate it into my RCP configuration application. Where should I start in
order to achieve that? Are any similar projects out there? I have read in
different communities about guys who tried to build one, but all those
threads are dead now.
Thanks in advance for helpfull replies :)
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13 years, 4 months
change-set schema location
by grimace
should it be this:
xs:schemaLocation='http://drools.org/drools-5.0/change-set
drools-change-set-5.0.xsd'
or this:
xs:schemaLocation='http://drools.org/drools-5.0/change-set.xsd'
I don't see an .xsd file at either of those locations.
and I am getting warnings trying to read a change-set file:
(null: 4, 99): schema_reference.4: Failed to read schema document
'drools-change-set-5.0.xsd', because 1) could not find the document; 2) the
document could not be read; 3) the root element of the document is not
<xsd:schema>.
(null: 4, 99): cvc-elt.1: Cannot find the declaration of element
'change-set'.
(null: 6, 9): schema_reference.4: Failed to read schema document
'drools-change-set-5.0.xsd', because 1) could not find the document; 2) the
document could not be read; 3) the root element of the document is not
<xsd:schema>.
(null: 7, 71): schema_reference.4: Failed to read schema document
'drools-change-set-5.0.xsd', because 1) could not find the document; 2) the
document could not be read; 3) the root element of the document is not
<xsd:schema>.
or this:
(null: 4, 77): SchemaLocation: schemaLocation value =
'http://drools.org/drools-5.0/change-set.xsd' must have even number of
URI's.
(null: 4, 77): cvc-elt.1: Cannot find the declaration of element
'change-set'.
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13 years, 4 months
decision tables and default rules for case when part of LHS failes for other rules
by Syargey
Hi all,
I have been asked to add default rules to a decision table.
We have a decision table with several conditions. Data from first two
columns are passed to action with binded variables. The action collects data
from all passed rules.
-------------------------------------
condition 1 | condition 2 | ... | action
-------------------------------------
AAA | AD | ... | X
-------------------------------------
BBB | AD | ... | X
-------------------------------------
BBB | AE | ... | X
-------------------------------------
BBB | CC | ... | X
-------------------------------------
CCC | AD | ... | X
-------------------------------------
DDD | AD | ... | X
-------------------------------------
BBB | AE | ... | X
-------------------------------------
... | ... | ... | X
-------------------------------------
Recently business asked me if it is possible to have default rules (rows) in
the table if there is not any rule passing condition 1.
-------------------------------------
DEFAULT | AD | ... | X
-------------------------------------
DEFAULT | AE | ... | X
-------------------------------------
Is it possible to have rules in decision table those can be fired only if a
specific part of LHS never occurs in others rules?
Thanks in advance,
Syargey
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13 years, 4 months
