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Enterprise JavaBeans 3.1, 6th Edition
book

Enterprise JavaBeans 3.1, 6th Edition

by Andrew Lee Rubinger, Bill Burke
September 2010
Intermediate to advanced content levelIntermediate to advanced
766 pages
18h 35m
English
O'Reilly Media, Inc.
Content preview from Enterprise JavaBeans 3.1, 6th Edition

Appendix B. Stateless Session EJB: Encryption Example

Description

The stateless session bean is a fantastic implementation choice for business processes which require no server-side state to be retained in between client invocations. If all information needed to process a request can be found in the request itself, the SLSB may be used as a highly efficient endpoint. In this example we build an encryption service capable of performing both one-way hashing and encryption/decryption operations.

Additionally, we show here that SLSBs may indeed have their own internal state, so long as that it’s not leaked out to the client during requests. Finally, we introduce the use of XML via environment entries to externalize configurable elements of the service.

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Publisher Resources

ISBN: 9781449399139Errata Page