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Design of Multithreaded Software: The Entity-Life Modeling Approach Review

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Design of Multithreaded Software: The Entity-Life Modeling Approach ReviewDr Sanden has created a very impressive piece of literature. As a professor of computer science, I found this book to be an incredible asset to my professional "tool kit," so to speak. Further, Dr. Sanden's book would be critical asset as a text book as its narration keeps the reader enticed, yet has a number of solid application concepts. I unequivocally recommend this book as a professional asset as well as a text book. Again, this book is quite an impressive piece of work that is a strong contribution to this professional field.Design of Multithreaded Software: The Entity-Life Modeling Approach OverviewThis book assumes familiarity with threads (in a language such as Ada, C#, or Java)and introduces the entity-life modeling (ELM) design approach for certain kinds of multithreaded software. ELM focuses on "reactive systems," which continuously interact with the problem environment. These "reactive systems" include embedded systems, as well as such interactive systems as cruise controllers and automated teller machines.
Part I covers two fundamentals: program-language thread support and state diagramming. These are necessary for understanding ELM and are provided primarily for reference. Part II covers ELM from different angles. Part III positions ELM relative to other design approaches.

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Real Time Systems and Programming Languages: Ada 95, Real-Time Java and Real-Time C/POSIX (3rd Edition) Review

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Real Time Systems and Programming Languages: Ada 95, Real-Time Java and Real-Time C/POSIX (3rd Edition) ReviewThere are a number of excellent books on the topic of real-time systems. Few, if any, address the breadth of topics covered by this book, much less to the depth and quality exhibited here. Read as many of the others as you can, but if you must purchase only one book on real-time systems, this is the one to have. Indeed, I have each of the three previous editions of this book and this latest is, once again, worth every penny.
One of the reasons I hold such a high opinion of the book is that it is written by people who not only know what they are talking about, but can do so with clarity and precision. As leading contributors to scheduling theory and the real-time programming facilities of both Ada and Java, the authors are internationally recognized experts on real-time systems and programming languages. The text's depth reflects that fact, but it is also clear, concise, and a pleasure to read.
Another reason I recommend the book is that it has a good balance between theory and practice. Make no mistake, the necessary theory is covered extensively, but it is then illustrated with concrete examples using programming languages that are in wide-spread use today: Ada, C, and Java. As neither C nor Java were explicitly designed for concurrent real-time systems, the text includes the necessary extensions. For C, the POSIX real-time profile is used. For Java, the Real-Time Specification for Java (RTSJ) is used. When necessary, examples are provided in other languages as well.
In fact these three programming languages form the underlying context for much of the book. They are not themselves the subjects of the book, however, and those readers seeking an introduction to these languages should look elsewhere. Instead, the programming languages are used to explore the distinct nature of real-time systems and the requirements for developing applications in that domain. The code examples thus provide a means of illustrating the topic at hand, but also provide a means for comparing the strengths and weaknesses of the real-time facilities of the languages. The authors are leading contributors to the Ada 2005 Real-Time Systems Annex and the RTSJ for Java, a fact reflected in the detailed critical analysis provided.
I felt happy to purchase yet another edition of the book because of all the above, but also because of the additions (and removals) present in this edition. New material includes additional schedulability analysis theory and material on multi-processor and multi-core architectures. With respect to programming languages, the new material includes extensive coverage of the real-time systems programming additions to Ada 2005, the latest version of the RTSJ, and the new real-time POSIX profile enhancements for C. As for removals, the introductory material on the programming languages is no longer present. This change was a necessity for the sake of brevity, but the result is a better overall focus. Also removed is the chapter on distributed systems. I was sorry to see that go, but the primary points have been moved to other chapters. Discussion of other programming languages, such as occam2, are also removed for the sake of brevity but is available on the book's web site.
I should point out that this is not just a "timing" book. For example, real-time systems typically have reliability requirements as well as timeliness requirements. Reliability is thus covered extensively, as are a number of other topics that might not be immediately suggested by the title.
In summary, I am a real-time systems engineer with over 30 years of professional development, industry lecturing, and occasional university lecturing experience. Based on that combination, I give this book my highest recommendation to both professionals and students alike. The field of real-time systems is not for beginners, but developers (and managers) as well as more advanced university students will definitely benefit. Both will find a text they can use to learn the latest in the field.
PS: Note that, at the time of this writing, Amazon is for some reason showing some reviews for earlier editions of the book, not this latest (fourth) edition.
Real Time Systems and Programming Languages: Ada 95, Real-Time Java and Real-Time C/POSIX (3rd Edition) OverviewB> This book provides an in-depth analysis of the requirements for designing and implementing real-time embedded systems, and discusses how these requirements are met by current languages and operating systems.The comparative advantages of Ada 95, Real-Time Java, and Real-Time C/POSIX are discussed in full.The emergence of Java as a real-time language through the Real-Time Java extensions has resulted in the treatment of Java as one of the core languages covered in the book.The additional real-time facilities in POSIX are also explored, as well as the proposed extensions to CORBA to address real-time issues.More material on schedulability analysis is also included. No other book on real-time programming languages (or concurrent programming languages) covers this range of topics.This book is designed for programmers and engineers looking for an introduction and/or reference that discusses current real-time programming languages and how they are suited to designing and implementing real-time embedded systems.

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Connections: Patterns of Discovery Review

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Connections: Patterns of Discovery ReviewI found this book to be entertaining, informative, and insightful. It covers a great deal of information technology, history, and draws relationships between many different aspects of inventing across various fields of computer science. By identifying patterns in innovations, it shows how major trends developed for information processing over the past half century. In addition, it describes how some of these trends might progress over the next decade.
The book follows the connections of information flow to highlight search technology. It follows the connections of microchips in building computers, networks, and small wireless devices. Then it connects all these inventions through ubiquitous computing and a ubiquitous Web.
Like the TV-Series hosted by science historian Jake Burke, the book links ideas, innovations, and inventors to build stories about trends and interrelationships. The Information Age's innovations from vacuum tubes to transistors, from computers to networking, and simple programming to intelligent software are presented and followed by forecasts for their continued development.Connections: Patterns of Discovery Overview"In their fascinating analysis of the recent history of information technology, H. Peter Alesso and Craig F. Smith reveal the patterns in discovery and innovation that have brought us to the present tipping point. . . .
A generation from now, every individual will have personally tailored access to the whole of knowledge . . . the sooner we all begin to think about how we got here, and where we're going, the better. This exciting book is an essential
first step."—From the Foreword by James Burke
Many people envision scientists as dispassionate characters who slavishly repeat experiments until "eureka"—something unexpected happens. Actually, there is a great deal more to the story of scientific discovery, but seeing "the big picture" is not easy. Connections: Patterns of Discovery uses the primary tools of forecasting and three archetypal patterns of discovery—Serendipity, Proof of Principle, and 1% Inspiration and 99% Perspiration—to discern relationships of past developments and synthesize a cohesive and compelling vision for the future. It challenges readers to think of the consequences of extrapolating trends, such as Moore's Law, to either reach real machine intelligence or retrench in the face of physical limitations. From this perspective,the book draws "the big picture" for the Information Revolution's innovations in chips, devices, software, and networks.
With a Foreword by James Burke and bursting with fascinating detail throughout, Connections: Patterns of Discovery is a must-read for computer scientists, technologists, programmers, hardware and software developers, students, and anyone with an interest in tech-savvy topics.

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Enterprise Architecture: Creating Value by Informed Governance (The Enterprise Engineering Series) Review

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Enterprise Architecture: Creating Value by Informed Governance (The Enterprise Engineering Series) ReviewAfter reading Architecture Principles and Enterprise Architecture at Work I decided I would also read this book and Enterprise Governance and Enterprise Engineering as well. I am starting Enterprise Governance and Enterprise Engineering now. This series is great!!! I recommend every Enterprise Architect buy the series.
This book was the first of the series. It is only 145 pages long, but it is packed full of valuable information.
This book puts Enterprise Architecture into context. It gives a complete picture of Enterprise Architecture.
It starts with a great chapter on why Enterprise Architecture is needed and then has chapters on Positioning Enterprise Architecture, The Results of Enterprise Architecting, The Process of Enterprise Architecting, and The Enterprise Architect.
One of my favorite parts of the book is the description the book gives to the Enterprise Architect role. Anyone looking to hire or become an Enterprise Architect should read this chapter. It covers basic job descriptions, competencies (e.g. dedication, authenticity, integrity, negotiation, openness, stability, etc.), responsibilities, and personality types.
One of the things I didn't like about the book is that there is no index. This seems to be the case for the smaller Springer book, so I can't ding the authors for that.
This is a well rounded introduction to Enterprise Architecture. It covers all the basics in depth and also provides a really nice example to show you the results of Enterprise Architecting.
All in all I highly recommend this book for anyone involved in anyway with Enterprise Architecture. It will provide you a clear picture of what it involves.

Enterprise Architecture: Creating Value by Informed Governance (The Enterprise Engineering Series) OverviewTwenty years after the first publications and books on enterprise architecture, the domain is evolving from a technology-driven towards a more business-driven approach, thus empowering decision makers to adapt and transform an enterprise in order to keep up with changing business needs. At the same time the discipline of enterprise architecting has matured, leading to a better understanding of the profession of an enterprise architect.With this book, the authors aim to provide an overview of enterprise architecture including the process of creating, applying and maintaining it, thus taking into account the perspectives of CxOs, business managers, enterprise architects, solution architects, designers and engineers. They explore the results that are produced as part of an enterprise architecture, the process by which these are produced, and the role the architect plays in this process. As such, they do not describe a specific method for developing an enterprise (IT) architecture, nor do they define a specific modeling language for enterprise architecture, rather they offer the reader a fundamental way of thinking about enterprise architecture, which will enable him to select and apply the right approach, architecture framework and tools that meet the objective and context of the architecture work at hand. This approach is emphasized by discussion statements at the end of each chapter, sparking thoughts about benefits, shortcomings, and future research directions.Covering both theoretical foundations and practical use, and written in close collaboration between industry professionals and academic lecturers, Enterprise Architecture thus offers an ideal introduction for students in areas like business information systems or management science, as well as guidance and background for professionals seeking a more thorough understanding of their field of work.

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Software Architecture Design Patterns in Java Review

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Software Architecture Design Patterns in Java ReviewDesign patterns used to be the hottest topic around a couple of years ago. One of the side-effects was the "Applied Java Patterns" book which I very much liked and used to recommend to anyone looking for a "GoF" replacement using Java for code examples. Not anymore. From now on, I'm recommending Kuchana's "Software Architecture Design Patterns in Java".
Why am I so pleased with this book? What makes it any different than other design pattern books? Well, first of all the volume is huge. Kuchana's book covers all the original Gang of Four patterns plus another 20 or so patterns, including a couple of multithreading related patterns. Second, the text itself is very readable and doesn't cling too much on fancy words. The explanations are concise and to the point. Further kudos goes to dealing with such frequently asked questions like the difference between Factory Method and Abstract Factory.
To list some things I didn't like about this book, I have to say that having exercises without sample answers in the back was a tiny disappointment and I would've preferred a bit more condensed font for the code listings. That's about it.
All in all, a very good choice for filling the gaping design patterns encyclopedia slot in your bookshelf. Highly recommended.Software Architecture Design Patterns in Java OverviewSoftware engineering and computer science students need a resource that explains how to apply design patterns at the enterprise level, allowing them to design and implement systems of high stability and quality.Software Architecture Design Patterns in Java is a detailed explanation of how to apply design patterns and develop software architectures. It provides in-depth examples in Java, and guides students by detailing when, why, and how to use specific patterns. This textbook presents 42 design patterns, including 23 GoF patterns. Categories include: Basic, Creational, Collectional, Structural, Behavioral, and Concurrency, with multiple examples for each. The discussion of each pattern includes an example implemented in Java. The source code for all examples is found on a companion Web site.The author explains the content so that it is easy to understand, and each pattern discussion includes Practice Questions to aid instructors. The textbook concludes with a case study that pulls several patterns together to demonstrate how patterns are not applied in isolation, but collaborate within domains to solve complicated problems.

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Patterns for Computer-Mediated Interaction (Wiley Software Patterns Series) Review

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Patterns for Computer-Mediated Interaction (Wiley Software Patterns Series) ReviewWhenever I get a new book to review, I always approach it with a mixture of anticipation, curiosity, and dread, especially given the increasing number of books about patterns and, in this case, the size -- 581 pages! When I finally found a small window and sat down with "Patterns for Computer-Mediated Interaction," I was intending to hurriedly skim as much of the text as possible to get an idea of what it was like. Several hours later, I was hooked. What a surprise this book is! Yes, it's topical. The patterns are about developing software to allow people to have the best interaction experience possible. That is where the world is headed, no doubt! The patterns in this book, however, are not just about the technical aspects of these systems, the authors also address the "socio-technical" issues that are important for the people-side of this domain. What was especially interesting to me, as a long-time "patterns fan," was the intriguing and enlightening discussion of pattern languages and the close examination of the pattern language of Christopher Alexander. I've read many essays on this topic but this presentation was very special. I learned a lot. You can't ask for more than that. I can recommend this book whole-heartedly, not only for developers in this domain but also for anyone who wants to study a model pattern language and learn more about patterns and how they work together to solve problems. Two thumbs up!
Patterns for Computer-Mediated Interaction (Wiley Software Patterns Series) OverviewWritten by well-respected experts, this how-to guide provides patterns for the design of human computer human interaction (HCHI). An increasing number of applications are currently designed for use by more than one user, eg: multi-player games, interactive web sites, mobile phones, collaborative learning systems, interactive workspaces and smart environments. In these areas there is a shift from (HCI) human computer interaction to (HCHI) human computer human interaction. The role of patterns in this movement is twofold: 1st – patterns focus on the human user of the system; 2nd – patterns assist developers in the development process of groupware applications.

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Pattern-Oriented Software Architecture Volume 4: A Pattern Language for Distributed Computing (v. 4) Review

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Pattern-Oriented Software Architecture Volume 4: A Pattern Language for Distributed Computing (v. 4) ReviewI don't have much to add over T. Anderson's review, but wanted to weigh in with a 5-star vote as a practicing distributed-systems architect. In particular I'm irritated by the one-star review from the person who obviously didn't understand what he/she was buying.
This is as close as you're going to get to a one-stop "encyclopedia" of patterns relevant to distributed computing (and other areas as well). I own most of the architecture/design patterns books, but this is the one I'll go to first for ideas, study, and use as a reference.
As for content, the catalogue of patterns is more comprehensive than any other volume I'm aware of and it is well organized. Each chapter describes a group of patterns that address recurrent vertical and horizontal architectural problem spaces. Each group is briefly introduced and described in the context of that. These introductions are pithy, on-target, and along with the complete pattern descriptions almost constitute a good introduction to distributed computing in general.
Most patterns are described in two pages in a format that has been well-honed over time for usefulness and comprehensibility. You find out where and when each pattern is likely to be useful, what motivates it, how it works, pros and cons, and what other patterns might be used with it.
The cross-referencing between patterns both within this book and in other sources is extensive and one of its most valuable features. The authors provide you with 114 pattern descriptions cross-referenced with "over 150" from other sources. That's a pretty extensive language!
Lots of spelling errors and such, but nothing that should confuse anyone.
This book is NOT a true encyclopedia, and you will want or need some of the core volumes that cover the "over 150" patterns that are referenced but not described here. The most notable are:
Patterns of Enterprise Application Architecture (The Addison-Wesley Signature Series)
Enterprise Integration Patterns: Designing, Building, and Deploying Messaging Solutions (The Addison-Wesley Signature Series)
Remoting Patterns: Foundations of Enterprise, Internet and Realtime Distributed Object Middleware (Wiley Software Patterns Series)
Most, if not all, of the material in Pattern-Oriented Software Architecture Volume 2: Patterns for Concurrent and Networked Objects is covered in Volume 4. If you don't have that book you might want it for deeper discussion of some of the patterns. On the other hand, the current volume contains important updates to a couple of patterns in the earlier volume.
If you're new to patterns, please avoid Design Patterns: Elements of Reusable Object-Oriented Software (Addison-Wesley Professional Computing Series), also known as the "GoF" (Gang of Four) book. It is a classic and the authors deserve their "props" for introducing design patterns to the broader development community, but it is the worst-written and most misleading book I've ever read on patterns. (In fairness to the authors, it was the "grand-daddy" of them all and perhaps they can be excused for not having the intervening 12 years of experience in pattern documentation to help them.)
I've heard good things about Head First Design Patterns (Head First) and Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and Iterative Development (3rd Edition) from people who have read the GoF book, so you might try that. I haven't read either myself.
If you're familiar with patterns and want perhaps the most comprehensive and useful single pattern book to date, especially if you're involved with the architecture of distributed systems, buy this!
It is not for beginners or those looking for boilerplate code!
Pattern-Oriented Software Architecture Volume 4: A Pattern Language for Distributed Computing (v. 4) OverviewThe eagerly awaited Pattern-Oriented Software Architecture (POSA) Volume 4 is about a pattern language for distributed computing.
The authors will guide you through the best practices and introduce you to key areas of building distributed software systems. POSA 4 connects many stand-alone patterns, pattern collections and pattern languages from the existing body of literature found in the POSA series. Such patterns relate to and are useful for distributed computing to a single language.
The panel of experts provides you with a consistent and coherent holistic view on the craft of building distributed systems.
Includes a foreword by Martin Fowler
A must read for practitioners who want practical advice to develop a comprehensive language integrating patterns from key literature.

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Data Model Patterns: A Metadata Map (The Morgan Kaufmann Series in Data Management Systems) Review

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Data Model Patterns: A Metadata Map (The Morgan Kaufmann Series in Data Management Systems) ReviewThis book is great stuff for Enterprise Architects. The discussion of Zachman is better than any of the Zachman Institues articles. The explanation of the value of architectural meta-models is excellent.
On the down side, the meta-models presented are very good EXCEPT that the author still presents data as being a part of an application. Surely 20 or so years after James Martin we are past that. Applications with their own data schemata are to be avoided and suppressed, rather than endorsed.
If your are a "real" Enterprise Architect, then this is book indispensable, but review all of the meta-models carefully to insure that they comply with your particular religion.
Data Model Patterns: A Metadata Map (The Morgan Kaufmann Series in Data Management Systems) OverviewIn recent years, companies and government agencies have come to realize that the data they use represent a significant corporate resource, whose cost calls for management every bit as rigorous as the management of human resources, money, and capital equipment. With this realization has come recognition of the importance to integrate the data that has traditionally only been available from disparate sources. An important component of this integration is the management of the "metadata" that describe, catalogue, and provide access to the various forms of underlying business data. The "metadata repository" is essential keeping track both of the various physical components of these systems, but also their semantics. What do we mean by "customer?" Where can we find information about our customers? After years of building enterprise models for the oil, pharmaceutical, banking, and other industries, Dave Hay has here not only developed a conceptual model of such a metadata repository, he has in fact created a true enterprise data model of the information technology industry itself.* A comprehensive work based on the Zachman Framework for information architecture-encompassing the Business Owner's, Architect's, and Designer's views, for all columns (data, activities, locations, people, timing, and motivation)* Provides a step-by-step description of model and is organized so that different readers can benefit from different parts* Provides a view of the world being addressed by all the techniques, methods and tools of the information processing industry (for example, object-oriented design, CASE, business process re-engineering, etc.)* Presents many concepts that are not currently being addressed by such tools - and should be

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Design Patterns in Communications Software (SIGS Reference Library) Review

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Design Patterns in Communications Software (SIGS Reference Library) ReviewThis book is divided into small- and large-collections of design patterns, and experience reports, all of which comprise an important body of work supporting one of the most demanding development environments. The patterns that I found most valuable, as well as most applicable to any communications-based architecture are: fault-tolerant telecommunications system patterns (the frameworks that can be mined from the patterns can be tailored to just about any kind of system), and call processing patterns (again, these are applicable to systems outside of the telecommunications domain because they distill complex interrelationships, events and processing requirements into coherent patterns that can be employed in systems that are equal in scope and complexity), and patterns for logging diagnostic messages. In addition, the experience reports in Part III are incredibly valuable to any developer or development organization because they give insight into some of the most challenging problem/solution sets and lessons learned that you're likely to encounter. My favorites are: managing change with patterns, OpenWebserver, and applying design patterns to flexible configure network services in distributed systems. Given the movement towards M-Commerce, extending the enterprise applications suites to PDAs and web-enabled phones, the design patterns will have direct- and indirect-applicability to organizations developing for these environments. Of course, in the telecommunications industry these patterns are directly applicable across the board. This is an important work that provides the collective knowledge and experience of some of the telecommunication industry's best and brightest. For the intended audience and the secondary audiences that I cited this book is one of the most valuable resources a development organization can acquire.Design Patterns in Communications Software (SIGS Reference Library) OverviewThis definitive compendium of design patterns in communication software, gathered together by Linda Rising, includes contributions by James O. Coplien, Douglas C. Schmidt, Robert Hanmer, Greg Utas, Just van den Broecke, Don Olson, Carlos O'Ryan, Christopher D. Gill, and other experts from the patterns field. Engineers and other professionals working in the field of communications software development will find this unique reference extremely useful.

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Pattern-Oriented Software Architecture Volume 2: Patterns for Concurrent and Networked Objects Review

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Pattern-Oriented Software Architecture Volume 2: Patterns for Concurrent and Networked Objects ReviewThe book consists of three sections: a short introduction that outlines the problem space, a section containing a large collection of patterns, and a short final section that talks about weaving patterns into a pattern language and offers a few speculations as to the future of patterns.
The first section is quite short, but covers the problem space nicely and provides the motivation for what follows. The presentation is greatly helped by a case study for applying patterns to a concurrent web server; this illustrates how individual patterns can be used to solve particular problems and provides a practical perspective for how to make use of what is in the remainder of the book.
The second section constitutes the majority of the book and describes a large collection of network and concurrency patterns. Here is where the real meat of the book can be found, with 17 different patterns plus variants. There is something for everyone here, such as interceptor, reactor, acceptor-connector, etc. The patterns are presented clearly, with ample UML diagrams to support the extensive explanations. What I liked particularly is that the presentation is both complete and fair. For example, the double-checked locking pattern isn't just presented as a panacea for singleton initialization. Instead, you get explicit warnings about memory coherency issues, together with examples for how to deal with them, so you don't go and implement something and then wonder why it doesn't work...
The final section of the book shows how to connect patterns into a pattern language, such that each pattern nicely fits into a larger architectural whole. There is also some speculation as to where patterns might be headed next. (According to the authors, we are nowhere near having exhausted the topic.)
Overall, I was really impressed with this book. The text provides extensive references to existing literature, so if you are interested in learning about a particular topic in more detail, you'll find plenty of material for further reading. And there is an index that actually works (which is a rarity these days).
While the language is lucid, the book is probably not something you want to read in a single sitting. Instead, it's the sort of book you browse through, picking up interesting things as you go, and then referring back to them when you need more detail. (I read the book over a number of weeks, digesting a chapter at a time when it suited me.)
Overall, I highly recommend this book. While much of the content has been published previously, it's difficult to find elsewhere and not as up to date. Here, you get everything in one place, presented in a form that works both for learning and as a reference.
If you are interested in programming distributed systems, don't miss this--there is no other book that covers the ground anywhere near as well!Pattern-Oriented Software Architecture Volume 2: Patterns for Concurrent and Networked Objects OverviewDesigning application and middleware software to run in concurrent and networked environments is a significant challenge to software developers. The patterns catalogued in this second volume of Pattern-Oriented Software Architectures (POSA) form the basis of a pattern language that addresses issues associated with concurrency and networking.The book presents 17 interrelated patterns ranging from idioms through architectural designs. They cover core elements of building concurrent and network systems: service access and configuration, event handling, synchronization,and concurrency. All patterns present extensive examples and known uses in multiple programming languages, including C++, C, and Java.The book can be used to tackle specific software development problems or read from cover to cover to provide a fundamental understanding of the best practices for constructing concurrent and networked applications and middleware.About the AuthorsThis book has been written by the award winning team responsible for the first POSA volume "A System of Patterns", joined in this volume by Douglas C. Schmidt from University of California, Irvine (UCI), USA.Visit our Web Page

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Applying Domain-Driven Design and Patterns: With Examples in C# and .NET Review

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Applying Domain-Driven Design and Patterns: With Examples in C# and .NET ReviewI was surprised that this book slipped under my radar for almost 3 months. I've been on the lookout for just such a unifying tome of knowledge that relates patterns and domain-driven design (DDD) to a practical .NET example for quite some while. The book delivers well on its promises, significantly surpassing the only other real competitor, Foundations of Object-Oriented Programming Using .NET 2.0 Patterns. The pros and cons, as I see them, are outlined below:
PROS
* Combines the ideas of Domain Driven Design (Evans) with Patterns of Enterprise Application Architecture (Fowler). These books are pretty much mandatory reading prior to diving into this book.
* Draws upon a myriad of other well-known sources, including materials from Refactoring to Patterns and the GoF, work from Johnson and Lowy, as well as a rare reference to Naked Objects. The more experienced and better read you are, the more this stuff will make sense.
* Rare .NET coverage of advanced concepts like Plain Old CLR Objects (POCOs), persistence ignorant (PI) objects, O/R mapping with NHibernate, Dependency Injection, Inversion of Control, and Aspect-Oriented Programming.
CONS
* While some sections are really insightful and could contain more interesting materials, other sections seem to drone on too long. The work on defining the NUnit tests, in particular, flows like a stream of consciousness and doesn't really add a lot of structured value to understanding DDD, patters, or TDD for that matter.
* Embedded comments in the text adopt from the style used in Framework Design Guidelines. It worked very well for Cwalina / Abrams in their book because it seemed planned in from the outset. Comments like "one reviewer commented on the code with the following, more succinct version" seem like editorial comments left in and not collaborative authoring by design.
All-in-all a very solid book that fills a unique market niche, leaving it pretty much without peers. If Amazon had a 4.5 starts rating, Applying DDD would get it. As a secondary reference book, it doesn't offer the earth shattering insights of some of the innovative source materials found in the Fowler Signature Series, for example. It does, however, weave together an interesting example of how to tie all of these concepts together for the .NET architect looking to take their understanding to the next level.Applying Domain-Driven Design and Patterns: With Examples in C# and .NET OverviewApplying Domain-Driven Design and Patterns is the first complete, practical guide to leveraging patterns, domain-driven design, and test-driven development in .NET environments. Drawing on seminal work by Martin Fowler and Eric Evans, Jimmy Nilsson shows how to customize real-world architectures for any .NET application. You'll learn how to prepare domain models for application infrastructure; support business rules; provide persistence support; plan for the presentation layer and UI testing; and design for service orientation or aspect orientation. Nilsson illuminates each principle with clear, well-annotated code examples based on C# 2.0, .NET 2.0, and SQL Server 2005. His examples will be valuable both to C# developers and those working with other .NET languages and databases -- or even with other platforms, such as J2EE.

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Design Patterns: Elements of Reusable Object-Oriented Software Review

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Design Patterns: Elements of Reusable Object-Oriented Software ReviewThis book really changed my way of thinking about object-oriented design. The idea is that when designing a new class hierarchy, though implementation details may differ, you often find yourself using the same kinds of solutions over and over again. Rather than approaching each design task out of context as an individual, isolated problem, the strategy is to study the task and identify the underlying design pattern most likely to be applicable, and follow the class structure outlined by that pattern. It's a "cookbook" school of design that works amazingly well.
There are other advantages to this book. It isolates 23 of the most common patterns and presents them in detail. You wouldn't think that 23 patterns would be enough, but once you become adept at recognizing patterns, you'll find that a large fraction of the patterns you use in practice are among these 23. For each pattern, the book carefully presents the intent of the pattern, a motivating example, consequences of using that pattern, implementation considerations and pitfalls, sample code (C++ or Smalltalk), known uses of that pattern in real-world applications, and a list of related patterns.
Upon first reading, you will start to recognize these patterns in the frameworks you see. Upon second reading, you'll begin to see how these patterns can help you in your own designs, and may also start to see new patterns not listed in the book. Once you become familiar with the pattern concept, you will be able to originate your own patterns, which will serve you well in the future. One of the most valuable contributions of this book is that it is designed not merely to help you identify patterns, but to give you a sense of which patterns are appropriate in which contexts.
I think this book is particularly valuable to many C++ and Java programmers, because of the dynamic and flexible design philosophy it follows. (Its two fundamental principles of reusable OO design are: "Program to an interface, not an implementation" and "Favor object composition over class inheritance".) I've found that many C++ books unfortunately tend to emphasize a rather static and inflexible design philosophy. Many C++ programmers do not realize how the language and the books they've studied from have been limiting their thinking until they have been exposed to ideas from other lanugages. The authors of this book have obviously been influenced by other languages as well, especially Smalltalk, and have brought many of its best lessons to C++ design. Most Java books seem to take after the C++ books, even though Java is a more dynamic language. This book may help Java programmers take full advantage of the extra power offered by their language, if they look deeply enough into some of the lesser-known features its runtime system affords.
Last, but not least, this book is valuable because it names the patterns it uses, and so gives programmers a common vocabulary to describe design concepts, rather than particular implementations. You'll find yourself saying things like, "That would be a good use for a Decorator", or "Should we use a Facade or a Mediator in this case?" I encourage readers of this book to use this vocabulary with other programmers.
In summary, this is one of the few books that I think belongs on every programmer's "must-have" list. Not to overuse a cliche, but like object-oriented design itself, the pattern concept is one of those rare paradigm-shifts in computer programming. It is equally valuable to expert professional and novice student alike. The book has a home page at http://st-www.cs.uiuc.edu/users/patterns/DPBook/DPBook.htmlDesign Patterns: Elements of Reusable Object-Oriented Software Overview

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Pattern Oriented Software Architecture Volume 5: On Patterns and Pattern Languages Review

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Pattern Oriented Software Architecture Volume 5: On Patterns and Pattern Languages ReviewWe knew something about patterns and the relationships between patterns, but, this book addresses the concept of pattern language more deeply by classifying and naming those relationships, such as Complements, Compounds, and Sequences. These idea are covered in part II of the book, after talking about single patterns in part I, which I think we know more about it from the literature.
The most interesting part, from my point of view, is part III, which relates the concepts of pattern language to the well-known jargon in theory of automation. I like the analogy of patterns as words and pattern sequences as sentences, and I think we can borrow some idea of compilers to build tools that help designers that are using a pattern language. This is what I'm working as my research right now.
Finally, the book could be more compact, specially for the first two parts. But, considering the fact that the authors wanted to wrap up their ideas presented in the previous four volumes, it had to be wordy.Pattern Oriented Software Architecture Volume 5: On Patterns and Pattern Languages Overview
Software patterns have revolutionized the way developers think about how software is designed, built, and documented, and this unique book offers an in-depth look of what patterns are, what they are not, and how to use them successfully
The only book to attempt to develop a comprehensive language that integrates patterns from key literature, it also serves as a reference manual for all pattern-oriented software architecture (POSA) patterns
Addresses the question of what a pattern language is and compares various pattern paradigms
Developers and programmers operating in an object-oriented environment will find this book to be an invaluable resource

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