October 26 31, 2003
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Stephen Stelting Sun Microsystems, Inc.
One of the key factors for success in J2EE applications is to develop an effective strategy for managing mid-term persistence, the storage of transient data within the application. This is partially motivated by the practical demands on enterprise systems in general the enterprise applications of this decade are expected to support a much larger client base and work with a substantially greater volume of data than in the past. Fundamentally, mid-term persistence describes two major categories of information used in an application:
Data from an enterprise resource (such as a DBMS) that is cached to improve performance or reduce the overhead associated with using the enterprise resource
Data that is stored during a series of operations, to represent transitory business information or model a business process
The session will present standard alternatives available for managing transient data in a J2EE application, with special emphasis on the options available in the Web and EJB tiers. It will describe the strengths and weaknesses of each approach for data storage, and explore when each may be appropriate in a J2EE system. Additionally, the session will present common problems associated with mid-term persistence management and suggest possible remedies.
The Web technologies have always been among the most dynamic and user-driven of Java technologies, and in recent years they have continued to grow and diversify. One of the most recent additions to the suite of Web-based APIs is JavaServer Faces. Developed as JSR-127 in the Java Community Process, this technology is intended to provide a flexible, configurable way to leverage Java technology to effectively develop GUIs in Web applications.
This session will introduce JavaServer Faces technology, describing its design, structure and use. It will highlight the key features of the technology, provide a demo of its use in Servlets and JSPs, and suggest ways to integrate the technology with a standard Web application.
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