Databases Reference
In-Depth Information
If we choose the option
Execute function
and thus don't reset the session, if we were
then to call the decision service several times within the same instance of our BPEL
process, each new invocation would reuse the same session and would also evaluate
facts asserted in any previous invocation. For our purposes, we just need to assert a
single fact and run the ruleset, so accept the default value of
Execute function
and reset the session
(we will look at other modes of operation in more detail in
Chapter 18
,
Using Business Rules to Implement Services
).
Assigning facts
The final step to invoke our business rules is to assign BPEL variables to the input
and output facts. Click on the
green plus
symbol (as shown in the preceding
screenshot), and this will launch the
Decision Fact Map
window, as shown in the
following screenshot:
