Java SOA Cookbook by Hewitt Eben

Author:Hewitt, Eben [Eben Hewitt]
Language: eng
Format: epub
Tags: COMPUTERS / Programming / General
ISBN: 9780596555498
Publisher: O'Reilly Media
Published: 2009-03-16T16:00:00+00:00

Note

There is a bit of a gray area with respect to proper header usage. Many public services, such as some posted by the United States Post Office, use what are sometimes called “implicit headers.” These headers are not defined as part of the wsdl:portType as you have done here. At first glance, not including information necessary to the contract within the operation may seem like bad practice. The argument is that if the header information is really metadata regarding the request, it should not be part of the signature proper, as it isn’t part of the business operation. The net effect for you is that, whichever route you choose, you need to consider how clients will interact with your code, and communicate to them what they are required to pass when invoking service operations.

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