Aligning Modern Business Processes and Legacy Systems: A Component-Based Perspective Book

Series Foreword     ix
Foreword   Michael L. Brodie     xiii
Preface     xv
Acknowledgments     xxi
Software Components     1
What Components Are (and Are Not)     1
Interfaces and Components     2
A Classification of Component Interface Models     4
Component Interoperability     9
Business Components     12
Web-Enabled Components: The Substrate of Web Services     14
Leveraging Legacy Systems     21
Legacy Systems as Application, Data, and Time Stovepipes     22
Managing the Evolution of Enterprise Applications     22
Legacy Portfolio Analysis     28
Wrappers, Connectors, Mediators, Adapters     32
The Landscape of Legacy Wrappers     33
A Roadmap for Developing Wrappers     37
Modularizing Legacy Systems     38
Constructing WSDL/SOAP-Based Wrappers     40
Wrappers in Action: A Case Study     42
Developing Enterprise Applications     53
Loosely Coupled versus Tightly Coupled Networked Enterprises     53
Single Organizations     55
Networked Organizations     59
Toward a MethodologicalFramework     67
The Methodological Framework     71
Overview of the Methodological Framework     72
Running Example     74
Forward Engineering     80
Reverse Engineering     88
Matching Phase     93
Adaptation Phase     100
Running Example     101
Matching Phase     103
Structural Matching     103
Semantic Matching     116
Metamodel-Driven Matching     131
Adaptation Phase     147
Component Adaptation     147
Parametric Contracts     153
Adapter Generation     161
Beyond the Methodological Framework     171
Alignment as a Continuous Process     171
Improving the Methodological Framework     174
Quo Vadis?     176
Running Example     179
Notes     189
References     191
Index     203