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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Evaluation of Integration Technologies

Today's lesson has provided you with an introduction to a number of approaches to integrating legacy and non-Java code or applications into your J2EE applications. Sometimes you may find it quite clear which approach to adopt, but sometimes the approach to adopt might not be immediately obvious. The following guidelines will assist you in making that choice.

  • Connector Architecture— This is your primary choice when you want to allows J2EE components to call on the functions an EIS provides. Typically, these EISs include ERP systems, mainframe transaction processing systems, and databases (not to the exclusion of JDBC).

  • JavaIDL and RMI-IIOP— If you want to utilize non-Java objects and the remote system is incapable ...

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