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