Sometimes this is indeed not clear, so I will try to explain here. Drools
uses MVEL to resolve some expressions and semantic code. Although we would
like to make it 100% compatible and enable it to use mvel everywhere, that
is easier said than done (but we do have someone working on that).
Edson,
Thanks for clarifying this. I appreciate it.
Macon
2009/8/19 Edson Tirelli tire...@post.com
Sometimes this is indeed not clear, so I will try to explain here.
Drools uses MVEL to resolve some expressions and semantic code. Although we
would like to make it 100% compatible and
According to MVEL they've added a convenience for checking the
emptiness of a value (see: http://mvel.codehaus.org/Value+Tests )
In MVEL you'd simply write: myMap == empty
This seemed like a MUCH cleaner way to write some of the LHS of the
rules, so I thought I'd try it out.
Given
