Before you work on a JIRA could you please provide an (abbreviated) example
of a template that causes both errors?
-W
2011/11/3 Bruno Freudensprung <bruno.freudensprung(a)temis.com>
**
Hi all,
I am writing rules using Drools Templates and I noticed strange problems
(ocurring when I slightly modify a DRT that works well):
1. the template instanciation depends on the declarations order of the
parameters in the template header
2. if the rule template does not contain a package declaration
(default package) the instanciation of the template fails
I am working with Drools 5.1.1 but those problems occur in 5.2.0.Final and
in 5.3.0.Final as well.
Do you think it is worth posting a JIRA?
Anyway let me tell you that Drools Templates are great! Our users like
that feature a lot! They start writing a rule in DRL format and, once it
works, they transform it into a DRT and put data into a tsv file. It is
quite a natural way of working. The general perception here is that it is
easier to "templatize" an existing DRL than to write a decision table from
scratch.
Best regards,
Bruno.
PS:
*DRT that works well*:
template header
*name
message
package templates;
*
import org.drools.bug.Entity;
template "TestTemplate"
rule "Test1 @{row.rowNumber}"
dialect "mvel"
when
Entity( $name : name == "@{name}" )
then
System.out.println("@{message}" + $name);
insert($name);
end
end template
*DRT that does not work* (first case):
template header
*message
name
package templates;
*
import org.drools.bug.Entity;
template "TestTemplate"
rule "Test1 @{row.rowNumber}"
dialect "mvel"
when
Entity( $name : name == "@{name}" )
then
System.out.println("@{message}" + $name);
insert($name);
end
end template
*DRT that does not work* (second case):
template header
*name
message
*
import org.drools.bug.Entity;
template "TestTemplate"
rule "Test1 @{row.rowNumber}"
dialect "mvel"
when
Entity( $name : name == "@{name}" )
then
System.out.println("@{message}" + $name);
insert($name);
end
end template
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