Patterns of Enterprise Application Architecture

The practice of enterprise application development has benefited from the emergence of many new enabling technologies. Multi-tiered object-oriented platforms such as Java and .NET have become commonplace. These new tools and technologies are capable of building powerful applications but they are not easily implemented. Common failures in enterprise applications often occur because their developers do not understand the architectural lessons that experienced object developers have learned.   Patterns of Enterprise Application Architecture is written in direct response to the stiff challenges that face enterprise application developers. The author noted object-oriented designer Martin Fowler noticed that despite changes in technology--from Smalltalk to CORBA to Java to .NET--the same basic design ideas can be adapted and applied to solve common problems. With the help of an expert group of contributors Martin distills over forty recurring solutions into patterns. The result is an indispensable handbook of solutions that are applicable to any enterprise application platform.   This book is actually two books in one. The first section is a short tutorial on developing enterprise applications which you can read from start to finish to understand the scope of the book's lessons. The next section the bulk of the book is a detailed reference to the patterns themselves. Each pattern provides usage and implementation information as well as detailed code examples in Java or C#. The entire book is also richly illustrated with UML diagrams to further explain the concepts. Armed with this book you will have the knowledge necessary to make important architectural decisions about building an enterprise application and the proven patterns for use when building them.   The topics covered include   Dividing an enterprise application into layers   The major approaches to organizing business logic   An in-depth treatment of mapping between objects and relational databases   Using Model-View-Controller to organize a Web presentation   Handling concurrency for data that spans multiple transactions   Designing distributed object interfaces Developers of enterprise applications (e.g reservation systems supply chain programs financial systems etc.) face a unique set of challenges different than those faced by their desktop system and embedded system peers. For this reason enterprise developers must uncover their own solutions. In this new book noted software engineering expert Martin Fowler turns his attention to enterprise application development. He helps professionals understand the complex -- yet critical -- aspects of architecture. While architecture is important to all application development it is particularly critical to the success of an enterprise project where issues such as performance and concurrent multi-user access are paramount. The book presents patterns (proven solutions to recurring problems) in enterprise architecture and the context provided by the author enables the reader to make the proper choices when faced with a difficult design decision.

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