Database Reference
In-Depth Information
the three main service models still remains; vertical layering is presented in the following
figure:
Based on the preceding figure, in the following table, we consolidated all the possible
lookup and entity types that our Service Repository must maintain and reliably provide.
The table has a numerical index for Lookup Types (runtime discovery use cases) for
simple reference in this and further chapters.
Lookup type 1: The service business delegate is looking for a service worker:
Role
Location
Entity
Example
•
One BPEL process invokes another within the busi-
ness domain depending on the context.
Composition controller / Com-
position subcontroller
EBF,
EBS
Service as a URL, Com-
ponent as a URL
•
One ESB service needs to relay a message to another.
A URL as a variable is returned.
Lookup type 2: The service is looking for the Endpoint(s):
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