[rules-dev] MVEL strict mode - explanation?

[Andrew Waterman]

Hey Guys,

Could the strict mode changes be causing the issues with generic Sets that I'm seeing in 5.3.0.Final (cf. Rules-list)? Anyway to modify strict mode in a java context?

best wishes,

Andrew

On Oct 28, 2011, at 12:44 PM, Mark Proctor wrote:

> Is the rule using the MVEL or the Java dialect? MVEL does not yet support generic's notation.
> 
> Mark
> On 28/10/2011 05:36, Michael Anstis wrote:
>> 
>> Hi,
>> 
>> With Drools-5.4.0-SNAPSHOT, MVEL2-2.1.0.drools4 the following compiles OK:-
>> 
>>     org.drools.runtime.process.WorkItemManager wim = drools.getWorkingMemory().getWorkItemManager();
>>     org.drools.SessionConfiguration sessionConfiguration = (org.drools.SessionConfiguration) kcontext.getKnowledgeRuntime().getSessionConfiguration();
>>     java.util.Map handlers = sessionConfiguration.getWorkItemHandlers();
>> 
>> However moving the last Map to generics (as you'd expect is needed for strict mode) does not:-
>> 
>>     org.drools.runtime.process.WorkItemManager wim = drools.getWorkingMemory().getWorkItemManager();
>>     org.drools.SessionConfiguration sessionConfiguration = (org.drools.SessionConfiguration) kcontext.getKnowledgeRuntime().getSessionConfiguration();
>>     java.util.Map<java.lang.String, org.drools.runtime.process.WorkItemHandler> handlers = sessionConfiguration.getWorkItemHandlers();
>> 
>> Unable to Analyse Expression org.drools.runtime.process.WorkItemManager wim = drools.getWorkingMemory().getWorkItemManager(); org.drools.SessionConfiguration sessionConfiguration = (org.drools.SessionConfiguration) kcontext.getKnowledgeRuntime().getSessionConfiguration(); java.util.Map<java.lang.String, org.drools.runtime.process.WorkItemHandler> handlers = sessionConfiguration.getWorkItemHandlers();: [Error: unable to resolve method using strict-mode: org.drools.spi.KnowledgeHelper.,()] [Near : {... Map<java.lang.String, org.drools.runtime.process.W ....}] ^ [Line: 3, Column: 32]
>> 
>> Can anybody explain?
>> 
>> Thanks,
>> 
>> Mike
>> 
>> 
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