Dynamic endpoint binding in Oracle SOA Suite by Cattle Crew
- by JuergenKress
Why is dynamic endpoint binding needed? Sometimes
a BPEL process instance has to determine at run-time which
implementation of a web service interface is to be called. We’ll show
you how to achieve that using dynamic endpoint binding.
Let’s imagine the following scenario: we’re running a car rental agency called RYLC (Rent Your Legacy Car) which
operates different locations. The process of renting a car is basically
identical for all locations except for the determination which cars are
currently available. This is depicted in the following diagram:
There are three different implementations of the GetAvailableCars service. But how can we achieve calling them dynamically at run-time using Oracle SOA Suite?
How to dynamically set the service endpoint There are just a couple of implementation steps we need to perform to enable dynamic endpoint binding:
create a new SOA project in JDeveloper
add a CarRental BPEL process
add an external reference to the GetAvailableCars service within the composite
create a DVM file containing the URI’s by which the services for the different locations can be accessed
set the endpointURI property on the Invoke component calling the GetAvailableCars service (value is taken from the DVM file)
Read the complete article here.
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