SOA-Tips
Contract First Development is also called Design By Contract. Create the data contract in XSD and the behavioral contract in WSDL upfront. This approach forces the designer to focus on messages and contracts as the key concepts in designing a service contract.
Author Bibliography
Gopalan Suresh Raj is a Senior Analyst, Software Architect, and Developer with expertise in multi-tiered systems development, enterprise service architectures, and distributed computing. He is also an active author, including contributions to Professional JMS Programming, Wrox Press, 2001, Enterprise Java Computing-Applications and Architecture, Cambridge University Press, 1999, and The Awesome Power of JavaBeans, Manning Publications Co., 1998. He has submitted papers at international fora, and his work has been published in numerous technical journals. Visit him at his Web Cornucopia© site (webcornucopia.com) or mail him at gopalan@webcornucopia.com.