Unbounded element in Business Rules

Question

Hi everyone,
I am trying to achieve in returning the same element (unbounded) when the rules condition are satisfied. I want to return the below response message:
<newJoinerRulesResponse>
<Rule>
<Code>Example</Code>
<Description>test</Description>
</Rule>
<Rule>
<Code>Example2</Code>
<Description>test2</Description>
</Rule>
</newJoinerRulesResponse>
As you can see the rule engine need to return more then one element Rule. How can I achieve this? I my example I am using two rules:
1.When the salary is > 50000 then create element rule, with code = Example and Description = test
2. When the age of a person is not between 16 and 65 then create an extra element rule with code = example2 and Description = test2
The Rule element in my xsd schema is unbounded. This will create an fact RuleType from type list. The problem with the type list that I cant create a new RuleType, while this is possible without the unbounded element. However then I can only create one Rule element in the response (and not two what I really want!). I think the way forward is a function. The function I created named AddRulesElement consist of the below code:
- I have created three parameters: arg_code that retrieved the value used for element Code, one for the element Description (arg_description) and one parameter based on type ResultRulesType (arg_resulttype). This is the complextype containing the element Rule.
The code in the body is:
assign new RuleType ResultRule = new RuleType()
assign ResultRule.code = arg_code
assign ResultRule.description = arg_description
call arg_resulttype.rule.add (ResultRule.code.length(), ResultRule)
From the two rule set I then call the function as follow:
IF NewJoinerRulesType.salary > 50000
THEN
**call AddRulesElement (arg_code: "Example", arg_description: "Test", arg_resultype: ResultRulesTypes)**
IF NewJoinerRulesType.age < 16 or NewJoinerRulesType.age > 65
THEN
**call AddRulesElement (arg_code: "Example2", arg_description: "Test2", arg_resultype: ResultRulesTypes)**
This keep given me the below error:
RUL-05164: The fact type "ResultRulesType" is referenced, but is not asserted nor input.
Please help how I can achieve a response of two elements Rule!! I have included the xsd schema I use for the rules below.
Many Thanks
Ren
P.s. please note my responses will be slow as I am away till next week Tuesday.
My xsd schema is of the following structure:
<?xml version= '1.0' encoding= 'UTF-8' ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:vnj="http://www.example/soa/initiative/definition/validateNewJoinerService/xsd/TestUnboundedRules_v1_0"
targetNamespace="http://www.example/soa/initiative/definition/validateNewJoinerService/xsd/TestUnboundedRules_v1_0"
elementFormDefault="qualified">
<xsd:element name="newJoinerRulesRequest" type="vnj:newJoinerRulesType">
<xsd:annotation>
<xsd:documentation>A sample element</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="newJoinerRulesResponse" type="vnj:ResultRulesType">
<xsd:annotation>
<xsd:documentation>A sample element</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:complexType name="newJoinerRulesType">
<xsd:sequence>
<xsd:sequence>
<xsd:element name="Birthday" type="xsd:date"/>
<xsd:element name="Salary" type="xsd:integer"/>
</xsd:sequence>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="ResultRulesType">
<xsd:sequence>
<xsd:element name="Rule" type="vnj:RuleType" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="RuleType">
<xsd:sequence>
<xsd:element name="RuleSequence" type="xsd:integer" minOccurs="0"/>
<xsd:element name="Code" type="xsd:string" minOccurs="0" maxOccurs="1"/>
<xsd:element name="Description" type="xsd:string" minOccurs="0" maxOccurs="1"/>
</xsd:sequence>
</xsd:complexType>
</xsd:schema>

Answer 1

He everyone,
I found out that I first need to insert an empty ResultType in the rule before I can call the function. This now works but at run-time I am now receiving the below error:
Fact not found in the rule engine working memory, rule session execution failed. The rule session 70005 failed because an instance of the fact emample.soa.initiative.definition.validatenewjoinerservice.xsd.newjoinerrules_v1_0.ResultRulesType could not be found in the working memory of the rule session. This is most likely a rule modeling error. The decision service interaction expects the fact instance to exist in the working memory of the rule session. Check the rule actions in rule designer and make sure that a fact of the expected type is being asserted. If the error persists, contact Oracle Support Services. 70005
I hope somebody can help!!
Many Thanks
Ren