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Jekyll and Hyde or The case of the multiple identity syndrome – Using Identity Cross References in Oracle 11g SOA Suite

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1 year ago
by Lucas Jellema in ,
 

The 11g SOA Suite brings us the Service Fabric that has messages flowing from one SCA Service Component to the next – Mediators and BPEL processes are called from inbound adapter services or external consumers and may call out to references to external providers or outbound adapter service. In this idyllic world, much of the work actually going on is the mapping of messages from one (service’s) domain to the next. Of course we try to converse as much as possible in terms of canonical message structures, but sooner or later we come to the boundary of our domain and need to transform again to some domain or service specific message structure. Domain Value Mapping

In addition to the mapping of the message structure, we usually have to put up with some level of value mapping as well: different domains frequently use -slightly or hugely -different labels for the same concept. One domain may use M, F and N for gender whereas another has MALE, FEMALE and UNKNOWN or even MAN, WOMAN and UNDECIDED. Messages that have to convey the gender will have to abide by the vocabulary in the target domain. That means that frequently message have to undergo domain value mapping in addition to plain More >

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Book Review: Processing XML Documents with Oracle JDeveloper 11g by Deepak Vohra

3 years ago
by Lucas Jellema in , ,

 

A few months ago I came across a relatively new book: Processing XML Documents with Oracle JDeveloper 11g by Deepak Vohra (370 pages, Packt Publishing, ISBN 978-1-847196-66-8, February 2009).

It is an interesting mix of topics, all having to do with XML and most directly related to JDeveloper. The topcis and chapters do not at all times seem logically bundled together (for example design time and run time seem to be somewhat strangely intermingled in the book) but they provide a lot of useful information to any developer working on applications that involve XML in some way (and which one does not today) using JDeveloper as an IDE or Oracle XDK 11g..

And JDeveloper 11g’s XML capabilities may not be entirely on par with single issue IDEs such as XMLSpy, it certainly does a very good job at many frequent and less frequent XML tasks. This book does a good job at showing the various XML specific features of JDeveloper – although it also fails to mention one or two. It contains many examples of writing Java code to process XML in some way, primarily using XDK 11g; those examples are not always really specifically related to JDeveloper 11g, as the code uses standard libraries that can More >

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