Re: [rules-users] conditional insert of 'exist' or 'not' keywords in decision table s
Hi Vlad,
With the new decision table handling you could use the following template to
do it:
Given a table as follows:
exists, 21, 25
, comprehensive
not, 64, 100
exists, comprehensive
the following template does what you want:
template header
driver[]
policy[]
package This_is_a_ruleset;
#generated from Decision Table
import example.model.Driver;
import example.model.Policy;
template "Driver policy"
driver
policy
rule "driver policy $row.rowNumber$"
when
$driver0$
Driver(age >= $driver1$, age <= $driver2$)
$policy0$
Policy(type = "$policy1$")
then
//do smth
end
end template
the code to call it was:
public void testColumnKeywords() {
final ExternalSpreadsheetCompiler converter = new
ExternalSpreadsheetCompiler();
final String drl = converter.compile( "/data/TestWorkbook.xls",
"/templates/test_keywords.drl",
InputType.XLS, 1, 1 ); // DT
starts at Row 1, Column 1
System.out.println(drl);
}
cheers
Steve
On 2/17/07, Olenin, Vladimir (MOH) <Vladimir.Olenin(a)moh.gov.on.ca> wrote:
Hi,
I wonder if it's possible to pass some Column keywords as parameters from
template values, eg:
Condition
Condition
$1 Driver
$1 Policy
age >= $2, age <= $3
type
exists, 21, 25
, comprehensive
not, 64, 100
exists, comprehensive
I'd expect the above table would generate two rules like:
Rule 1
When
exists Driver (age >= 21, age <= 25)
Policy(type == "comprehensive")
Then
// do smth
End
Rule 2
When
not Driver (age >= 64, age <= 100)
exists Policy (type == "comprehensive")
then
// do smth
End
The above example is just a mock up derived from one of the examples in
the documentation to demonstrate the point (meaning, the rules themselves
might not make sense from business point of view or can be implemented
differently for this particular case).
So, any way to achieve this? Whether in current version (3.0.x) or the
upcoming release (3.2)
Thanks,
Vlad**
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