I have tried
declare EventA
@role( event )
x : Void
end
declare EventB
@role( event )
x : Void
end
rule "mock-A" # only rule for EventA, EventB
when
$b: EventB()
$a: EventA( this after[0,10s] $b )
then
end
and
org.drools.rule.TypeDeclaration tda =
(org.drools.rule.TypeDeclaration)rpkg.pkg.getTypeDeclaration( "EventA" );
System.out.println( "EventA expires: " + tda.getExpirationOffset() + "
role:" + tda.getRole());
org.drools.rule.TypeDeclaration tdb =
(org.drools.rule.TypeDeclaration)rpkg.pkg.getTypeDeclaration( "EventB" );
System.out.println( "EventB expires: " + tdb.getExpirationOffset() + "
role:" + tdb.getRole());
which prints
EventA expires: -1 role:EVENT
EventB expires: -1 role:EVENT
Since the DRL code is equivalent to example 2.19 ("correlate orders") in
Fusion, this raises the question whether the inferred expiration offset is
actually computed as described.
-W
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