Advanced J2EE Platform Development

Advanced J2EE Platform Development : Applying Integration Tier Patterns

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This book presents a powerful method that makes J2EE applications portable across any underlying Enterprise Information Systems so that are more resilient to change. It addresses the question of how to properly encapsulate legacy systems and make them usable on the Internet. The authors discuss methods and techniques to standardize the encapsulation process make the process more efficient, by producing an integration tier that effectively shields the J2EE part of an application from the properties and demands of its legacy part. The authors provide guidelines on how to reduce time and cost for application development by increasing re-use and quality and how to increase the migration potential for applications to provide a method to keep up with changes in the Enterprise Information System. This book shows how to apply Crupi 's Core J2EE Patterns to your organization's legacy systems that were not written in Java. Previously catalogued in 8/2002 more

Product details

  • Paperback | 224 pages
  • 178.3 x 236.2 x 18.3mm | 449.06g
  • Pearson Education (US)
  • Prentice Hall
  • Upper Saddle River, United States
  • English
  • 0130449121
  • 9780130449122

Back cover copy

A proven Java(TM)-based approach to standardizing and streamlining legacy migrationThis book focuses on the key challenges developers face when using the Java 2 platform Enterprise Edition (J2EE) to encapsulate legacy applications for delivery in a multi-tier Internet environment. Leading Sun architects Torbjoern Dahlen and Thorbioern Fritzon show how to standardize encapsulation using an integration tier that shields the J2EE elements of an application from the properties and demands of its legacy elements. Using this approach, enterprises can promote reuse, accelerate legacy migration projects, and make the most of their COBOL/mainframe and Java expertise. Above all, they can take portability beyond hardware and operating systems, systematically migrating virtually any legacy system without extensive redesign or reprogramming.Presents a pragmatic approach to domain modeling for legacy application migrationPromotes reuse and portability through a standardized, fine-grained domain object modelShows how to streamline the transformation of domain models to working systemsIntroduces a proven, pattern-based J2EE application architecture for Internet-enabling legacy systemsIncludes superior algorithms for object queries, data cleansing and merging, and artificial XA supportAdvanced J2EE Platform Development presents detailed examples and sample code, including a start-to-finish case study that demonstrates integration between three different legacy more

About Torbjorn Dahlen

TORBJOeRN DAHLEN, chief architect at the Wireless Solution Center in Sun Microsystems' Professional Services division, specializes in J2EE-based telecom and financial applications. Before joining Sun in 1997, he worked with distributed systems and CORBA at Ericsson in Sweden. As a member of Sun Services Technology Council, he belongs to a network of leading technologists within Sun's worldwide services organization. He is an appreciated speaker at JavaOne and writes articles on J2EE for Java Report magazine. THORBIOeRN FRITZON is a Java architect for Sun Microsystems with more than a decade of experience in software development, mostly in distributed more

Table of contents

Preface. Introduction. 1. Domain Modeling. Creating a Common Domain Model. Summary. 2. Design Modeling. Creating a Design Model. Design Guidelines. Summary. 3. Implementing the Integration Tier. Legacy System Background. The Consequences of Legacy System Architecture. Managing Distributed Transactions. Data Merging. Object Query Management. Implementation of Data Access Objects. Summary. 4. Legacy System Integration. The Common Domain Model. The Design Model. Legacy System Service Mappings. Managing Transactions. Summary. 5. Application Development. Extending the Common Domain Model. Application Development. Summary. A: Patterns. B: Hypothetical Legacy Systems. more