The rules engine is being called from a Web session; the code snippet is
included below. I neglected to mention that an instance of AClass was being
passed in (see the three commented-out lines in the code snippet).
This seems to be the source of the problem.
With these lines uncommented-out, the output was [one, null, doit] - the
null indicating that the object created by do-startup was not matching in
do-stuff. With the lines commented-out, the output was [success, doit],
which is the expected result.
I'm sorry to say that I don't understand why passing in an instance of
AClass would make a difference here.
Thanks for your help,
chuck
********** Code snippet ************
HttpServletRequest request;
HttpServletResponse response;
FileReader reader = null;
StatelessRuleSession ruleSession = null;
List results = null;
try {
Class.forName("org.jcp.jsr94.jess.RuleServiceProviderImpl");
RuleServiceProvider serviceProvider =
RuleServiceProviderManager.getRuleServiceProvider(
"org.jcp.jsr94.jess");
//
// Administration
//
RuleAdministrator admin = serviceProvider.getRuleAdministrator();
HashMap vendorProperties = new HashMap();
LocalRuleExecutionSetProvider lresp =
admin.getLocalRuleExecutionSetProvider(vendorProperties);
reader = new FileReader("..the rules file..");
RuleExecutionSet ruleSet =
lresp.createRuleExecutionSet(reader, vendorProperties);
admin.registerRuleExecutionSet("rules", ruleSet, vendorProperties);
//
// Runtime
//
RuleRuntime runtime = serviceProvider.getRuleRuntime();
ruleSession =
(StatelessRuleSession)runtime.
createRuleSession("rules", vendorProperties,
RuleRuntime.STATELESS_SESSION_TYPE);
ArrayList inputList = new ArrayList();
// AClass aC = new AClass(); // removing comments causes the issue
// aC.setField1("one");
// inputList.add(aC);
results = ruleSession.executeRules(inputList);
} catch (Exception e) {
response.getWriter().write("Error: " + e);
} finally {
if (reader != null) reader.close();
try {
if (ruleSession != null) ruleSession.release();
} catch (Exception e2) {
}
}
response.getWriter().write("Test results: " + results);
*********************
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Friday, July 23, 2004 4:14 PM
To: [EMAIL PROTECTED]
Subject: Re: JESS: Definstance matching within a module for JSR94
I think Chuck Davis wrote:
>
>
> executing within a STATELESS_SESSION_TYPE session causes the do-it rule,
but
> not the do-stuff rule, to fire. Yet, when run as a JESS batch file, both
> these rules fire.
>
> All three rules seem to fire and do what they're supposed to.
> How did you determine that some but not all of the rules had fired?
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