[rules-users] Example for using globals in Drools3.0.6

[JLL]

after reread some of my source files
 you don't need to initialize $mock so ...

in the rule file
 don't forget to import your Mock
and 
  global Mock mock

  in the when 
    conditions

  in the then statement 
    mock.setMyString("hello world");



JLL wrote:
> 
> hi
> 
> i thing using a string could cause some problems
> better use your own object named like "Mock" containing a string with
> setter and getter
> 
> in the java code assert the object in working memory with
> MemoryManager.getWorkingMemory().setGlobal("mock", mock);
> 
> in the rule file
>  don't forget to import your Mock
> and 
>   global Mock mock
> 
>   in the when 
>     $mock : Mock( )
>     and other conditions
> 
>   in the then statement 
>     $mock.setMyString("hello world");
> 
> after the rule fire the value must have been changed ...
> 
> hope it's clear enough
> friendly
> 
> JLL
> 
> 
> Joj wrote:
>> 
>> Hi,
>> 
>> In the document, its written that "They are typically used to return
>> data" under globals section. How can I return a global value to the
>> calling method? In other words, how can I receive it in Java code? Can
>> anybody explain with a simple example?
>> 
>> And please identify the changes required if I need to get the value of
>> global in the example below:
>> 
>> ........
>> 
>> global String status
>> 
>> rule "FindStatus"
>>     when
>>         student: Student ( mark >= 50 )
>>     then
>>         status = "passed";
>> end
>> 
>> 
>> In this case, there's no need of a global variable, I know. But, anyway,
>> how can I get its value on the calling method?
>> 
>> 
>> Thanks in advance,
>> Jojan
>> 
>> 
>> 
> 
> 

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