On 9 February 2011 19:54, jwillans2 <[email protected]> wrote:
> > > rule "example" > > when > > $op : ObjectProvider() > > Object(slot = "value") from op.eval() > > Because getting the value returned by op.eval() is extremely expensive and > should only be done if this component of the rule is evaluated (assuming > that the rule has a more complex pattern implicating other types). > > Calling $op.eval() (don't call it eval!) being expensive is a good reason for keeping the returned value in Working Memory :-) You can have one rule that determines whether it is required to call $op.eval() and do the inserts and another one that uses the inserted facts. -W > Thanks, > > James > > --
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