[rules-users] Drools Pattern Matching
Hi,
I am writing a rule which checks for the presence of substring in a
string. Hard coding rule works fine but if I am using variables which may
have dynamic values giving problems. How to write code equivalent of
hardcoding version.
HardCode verson :
-------------------
rule "Process 834"
no-loop
when
m: Message( fileName matches "^.*ABC-834.*$")
then
System.out.println( "Reading Rule for 834 ..." );
m.setFromQ("ABC.834.EDI");
m.setToQ("ABC.834.XML");
m.setProcess("834");
update( m );
end
Dynamic Version:
//fileName has data 'ABC-834-test-100.edi'
// p.FILEMASK has data 'ABC-834'
----------------
rule "Process ALL"
no-loop
when
p: TransactionVO()
m: Message( fileName matches p.FILEMASK) // I can't say as (matches
"^.*"+p.FILEMASK+".*$")
//the above st should be like if fileName has FILEMASK in it
then
System.out.println( "Reading Rule for ..." + p.NAME );
m.setFromQ(p.FROM_Q);
m.setToQ(p.TO_Q);
m.setProcess(p.TRANS_TYPE);
update( m );
end
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