[rules-users] Disabling strict mode in 5.4

[Wolfgang Laun]

On 25/05/2012, Joe White <Joe.White at recondotech.com> wrote:
> The exception below is one of thousands like it. The problem is that the
> data is coming from a Map and in strict mode mvel is unable to determine
> the type. This rule works fine with strict mode off in 5.0.1 and 5.2.
>
> The rule is:

Well... Don't you mean "part of the rule is:"?

>
> rule "PEL_CHANGELIST_RES.AUTH.Actual First Name" extends
> "PEL_CHANGELIST_RES.AUTH.Actual Person Base"
> when
>        DalMap($existingValue : this['PERSON.FirstName'] != null) from
> $existingPerson

Unlikely: Where is $existingPerson coming from?

>        DalMap($mergedValue : this['PERSON.FirstName'] != null) from
> $mergedPerson

Unlikely: Where is $mergedPerson coming from?


>        $lowerExisting : String() from $existingValue.toLowerCase()
>        String(this != $lowerExisting) from $mergedValue.toLowerCase()

Why not simply:
     eval(  ! $existingValue.toLowerCase().equals(
$mergedValue.toLowerCase() ) )

> then
>        $changeList.add(EncounterConsts.Episode.PersonRole.Person.path);

$changeList ??

>        update($in);

$in ??
> end
>
> -----Original Message-----
> From: rules-users-bounces at lists.jboss.org
> [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Wolfgang Laun
> Sent: Friday, May 25, 2012 12:43 PM
> To: Rules Users List
> Subject: Re: [rules-users] Disabling strict mode in 5.4
>
> Line 3 of the error message suggests that the parser isn't able to
> determine the type of $existingValue as java.lang.String. So, strict
> or no strict, the problem might be in the rule. Show?
>
> -W
>
>
>
> On 25/05/2012, Joe White <Joe.White at recondotech.com> wrote:
>> How do you disable strict mode in 5.4? We are using the code below and
>> getting strict mode exceptions. It worked in prior versions. Do you
> have
>> to use the new APIs to disable strict mode?
>>
>>
>>
>>
>>
>> PackageBuilderConfiguration pkgBuilderCfg = new
>> PackageBuilderConfiguration();
>>
>> MVELDialectConfiguration mvelConf = (MVELDialectConfiguration)
>> pkgBuilderCfg.getDialectConfiguration( "mvel" );
>>
>> mvelConf.setStrict(false);
>>
>> mvelConf.setLangLevel(5);
>>
>> PackageBuilder builder = new PackageBuilder(pkgBuilderCfg);
>>
>> builder.addPackageFromDrl(new StringReader(drlString));
>>
>>
>>
>>
>>
>> An example exception:
>>
>> 1.
>>
> 19:17:51,137|ERROR|drools.DroolsMgr|DroolsMgr.java|159|deployRulesFromMo
>>
> delForScope|org.apache.camel.spring.Main.main()|smf-rcp-SNAPSHOT|Failed
>> to deploy rules from model
>>
>> 2.  com.recondotech.hre.rules.management.HRERulesManagmentException:
>> org.drools.rule.InvalidRulePackage: Unable to Analyse Expression
>> $existingValue.toLowerCase():
>>
>> 3.  [Error: unable to resolve method using strict-mode:
>> java.lang.Object.toLowerCase()]
>>
>> 4.  [Near : {... $existingValue.toLowerCase() ....}]
>>
>> 5.                              ^ : [Rule
>> name='PEL_CHANGELIST_RES.AUTH.Actual First Name']
>>
>>
>>
>>
>>
>> Thanks
>>
>> Joe
>>
>>
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