Databases Reference
In-Depth Information
If we choose an existing EDL file that is not in our project, JDeveloper will assume
that we want to copy the EDL file and its associated XML schemas into the project.
On the
Localize Files
dialog, we have the choice of keeping existing directory
relationships between files or flattening any existing directory structure.
Once the event is selected, we then just need to add a transformation to transform
the input of the request to the event format.
Publishing an event using BPEL
We can also publish events using BPEL. Using the previous example, we may decide
that rather than just publishing a
NewAuction
event that contains the input data
used to create the auction, we also wish to include the auction identifier generated
by the response to the new auction request. This is best achieved using the BPEL
event publisher.
Using the previous example, we insert a BPEL process between the service
requestor, in this case,
NewAuctionMediator
, and the service provider, in this
case
ServiceProvider
. We use the
Base on a WSDL
template to create the process
and select the WSDL of the target service as our WSDL, in this case the WSDL for
ServiceMediator
. We then rewire the composite so that the target service is now
invoked by our new BPEL process, and the original client of the service is now a
client of the BPEL process, as shown in the following diagram:
