UML Distilled: A Brief Guide to the Standard Object Modeling Language
208
UML Distilled: A Brief Guide to the Standard Object Modeling Language
208eBook
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Overview
This edition gets students thinking about efficient object-oriented software design using the latest version of the industry-standard for modeling software: UML 2.0. The author has retained the book's convenient, concise format that has made it an essential resource in courses introducing UML. The book describes all the major UML 2.0 diagram types, what they are intended to do, and the basic notation involved in creating and deciphering them.
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Product Details
| ISBN-13: | 9780134865126 |
|---|---|
| Publisher: | Pearson Education |
| Publication date: | 08/30/2018 |
| Series: | Addison-Wesley Object Technology Series |
| Sold by: | Barnes & Noble |
| Format: | eBook |
| Pages: | 208 |
| File size: | 5 MB |
| Age Range: | 18 Years |
About the Author
Martin Fowler is an independent consultant who has applied objects to pressing business problems for more than a decade. He has consulted on systems in fields such as health care, financial trading, and corporate finance. His clients include Chrysler, Citibank, UK National Health Service, Andersen Consulting, and Netscape Communications. In addition, Fowler is a regular speaker on objects, the Unified Modeling Language, and patterns. He is the author of Refactoring, Analysis Patterns, and the award-winning UML Distilled.
Kendall Scott is a technical writer who specializes in writing about financial and accounting applications. He is the principal of Software Documentation Wizards.
Read an Excerpt
Two years ago, Addison-Wesley approached me to write a book about the then-new UML. At that time, there was a lot of interest in the UML, but only a standards document from which to learn about it. We broke many records to quickly produce a short introductory guide to the new UML, something that would provide some guidance until the more detailed and official books were to appear later that year.
We didn't expect this book to last after more detailed books appeared. Most people believed that given the choice between a slim overview and a detailed text, everyone would pick the detailed text. Although that was the general view, I believed that even in the presence of detailed books, there was still room for a concise summary.
Two years later, my hopes have been realized more than I could have wished. UML Distilled has been, in computer industry terms, a best-seller. Even though good detailed books have appeared on the UML, the book still sells well. Better than that, more slim books have appeared, confirming my belief that in a world with so much information, there is value in well-chosen brevity.
Now, that's all very well, but should you buy this book?
I'm going to assume you've heard about the UML. It has become the standard way to draw diagrams of object-oriented designs, and it has also spread into non-OO fields. The major pre-UML methods have all died out. The UML has arrived and is here to stay.
If you want to learn about the UML, this book is one way to do it. The main reason for starting with this book is that it's a small book. Buying a big book will give you more information, but it will also take you longer to read. I've selected the most important parts of the UML so that you don't have to. With this book, you'll pick up the key elements of the notation and what they mean. If you want to move further, you can move to a more detailed book later.
If you want a longer tutorial to the UML, I suggest the Unified Modeling Language User Guide (Booch, Rumbaugh, and Jacobson 1999). The User Guide is able to cover a lot more ground. It's well written and organized in a way that explains how to apply the UML to various modeling problems.
Both this book and the User Guide assume that you know something about OO development. Although many people have told me that this book is a good introduction to objects, I didn't write it with that in mind. If you're looking for an introduction to objects with the UML, you should also consider Craig Larman's book (Larman 1998).
Although the main point of this book is the UML, I've also added material that complements the UML material. The UML is a relatively small part of what you need to know to succeed with objects, and I think that it's important to point out some of the other things here.
The most important of these is software process. The UML is designed to be independent of process. You can do anything you like; all the UML does is say what your diagrams mean. However, the diagrams don't make much sense without a process to give them context. I also believe that process is important and that a good process doesn't need to be complicated.
So, I've described a lightweight outline process for OO software development. This provides a context for the techniques and will help to get you going in using objects.
The other topics include patterns, refactoring, self-testing code, design by contract, and CRC cards. None of these are part of the UML, yet they are valuable techniques that I use regularly.
Structure of the Book
Chapter 1 looks at what the UML is, the history of its development, and the reasons why you might want to use it.
Chapter 2 discusses the object-oriented development process. Although the UML exists independent of process, I find it hard to discuss modeling techniques without talking about where they fit in with object-oriented development.
Chapters 3 through 6 discuss the three most important techniques in the UML: use cases, class diagrams, and interaction models. The UML is a large beast, but you don't need all of it. These three techniques are the core that almost everyone needs. Start with these and add the others as you need them. (Note that since class diagrams are so complicated in themselves, I've put the key parts of class diagrams in Chapter 4 and the advanced concepts in Chapter 6.)
Chapters 7 through 10 explore the remaining techniques. All of these are valuable, but not every project needs every technique. So these chapters provide enough information to tell you what the technique is and whether you need it.
For all of these techniques, I describe the notation, explain what the notation means, and provide tips about using the techniques. My philosophy is to make clear what the UML says and, at the same time, to give you my opinions on how best to use it. I've also added pointers to other books that provide more detail.
Chapter 11 gives a small example to show how the UML fits in with programming using (of course) Java.
The inside covers summarize the UML notation. You may find it useful to refer to these as you are reading the chapters so that you can check on the notation for the various modeling concepts.
If you find this book interesting, you can find other information on my work related to using the UML, patterns, and refactoring at my home page (see page xxi).
Changes for the Second Edition
As the UML evolved, and I received feedback about the first edition of the book, I continually updated it. We reprinted every two or three months; nearly every printing contained updates, which resulted in considerable strain on the processes of the publishing industry.
With the change from UML 1.2 to 1.3, we decided to do a more thorough overhaul of the book, enough to produce a second edition. Since the book has been so popular, I've tried not to change the essential spirit of the book. I've carefully tried to not add much, and to see whether there are things I can take away.
The biggest changes are in Chapter 3, about use cases, and Chapter 9, about activity diagrams, which have each received a severe rewrite. I've also added a section on collaborations to Chapter 7. Elsewhere, I've taken the opportunity to make a host of smaller changes, based on feedback and my experiences over the last couple of years.
Martin Fowler
Melrose, Massachusetts
April 1999
fowler@acm.org
Table of Contents
Preface.1. Introduction.
2. Development Process.
3. Class Diagrams: The Essentials.
4. Use Cases.
5 Interaction Diagrams.
6. Class Diagrams: Advanced Concepts.
7. State Machine Diagrams.
8. Activity Diagrams.
9. Grouping Constructs.
10. Deployment Diagrams.
11. Changes between UML Versions.
Bibliography.
Preface
We didnit expect this book to last after more detailed books appeared. Most people believed that given the choice between a slim overview and a detailed text, everyone would pick the detailed text. Although that was the general view, I believed that even in the presence of detailed books, there was still room for a concise summary.
Two years later, my hopes have been realized more than I could have wished. UML Distilled has been, in computer industry terms, a best-seller. Even though good detailed books have appeared on the UML, the book still sells well. Better than that, more slim books have appeared, confirming my belief that in a world with so much information, there is value in well-chosen brevity.
Now, thatis all very well, but should you buy this book?
Iim going to assume youive heard about the UML. It has become the standard way to draw diagrams of object-oriented designs, and it has also spread into non-OO fields. The major pre-UML methods have all died out. The UML has arrived and ishere to stay.
If you want to learn about the UML, this book is one way to do it. The main reason for starting with this book is that itis a small book. Buying a big book will give you more information, but it will also take you longer to read. Iive selected the most important parts of the UML so that you donit have to. With this book, youill pick up the key elements of the notation and what they mean. If you want to move further, you can move to a more detailed book later.
If you want a longer tutorial to the UML, I suggest the Unified Modeling Language User Guide (Booch, Rumbaugh, and Jacobson 1999). The User Guide is able to cover a lot more ground. Itis well written and organized in a way that explains how to apply the UML to various modeling problems.
Both this book and the User Guide assume that you know something about OO development. Although many people have told me that this book is a good introduction to objects, I didnit write it with that in mind. If youire looking for an introduction to objects with the UML, you should also consider Craig Larmanis book (Larman 1998).
Although the main point of this book is the UML, Iive also added material that complements the UML material. The UML is a relatively small part of what you need to know to succeed with objects, and I think that itis important to point out some of the other things here.
The most important of these is software process. The UML is designed to be independent of process. You can do anything you like; all the UML does is say what your diagrams mean. However, the diagrams donit make much sense without a process to give them context. I also believe that process is important and that a good process doesnit need to be complicated.
So, Iive described a lightweight outline process for OO software development. This provides a context for the techniques and will help to get you going in using objects.
The other topics include patterns, refactoring, self-testing code, design by contract, and CRC cards. None of these are part of the UML, yet they are valuable techniques that I use regularly.
Structure of the Book
Chapter 1 looks at what the UML is, the history of its development, and the reasons why you might want to use it.
Chapter 2 discusses the object-oriented development process. Although the UML exists independent of process, I find it hard to discuss modeling techniques without talking about where they fit in with object-oriented development.
Chapters 3 through 6 discuss the three most important techniques in the UML: use cases, class diagrams, and interaction models. The UML is a large beast, but you donit need all of it. These three techniques are the core that almost everyone needs. Start with these and add the others as you need them. (Note that since class diagrams are so complicated in themselves, Iive put the key parts of class diagrams in Chapter 4 and the advanced concepts in Chapter 6. )
Chapters 7 through 10 explore the remaining techniques. All of these are valuable, but not every project needs every technique. So these chapters provide enough information to tell you what the technique is and whether you need it.
For all of these techniques, I describe the notation, explain what the notation means, and provide tips about using the techniques. My philosophy is to make clear what the UML says and, at the same time, to give you my opinions on how best to use it. Iive also added pointers to other books that provide more detail.
Chapter 11 gives a small example to show how the UML fits in with programming using (of course) Java.
The inside covers summarize the UML notation. You may find it useful to refer to these as you are reading the chapters so that you can check on the notation for the various modeling concepts.
If you find this book interesting, you can find other information on my work related to using the UML, patterns, and refactoring at my home page (see page xxi).
Changes for the Second Edition
As the UML evolved, and I received feedback about the first edition of the book, I continually updated it. We reprinted every two or three months; nearly every printing contained updates, which resulted in considerable strain on the processes of the publishing industry.
With the change from UML 1.2 to 1.3, we decided to do a more thorough overhaul of the book, enough to produce a second edition. Since the book has been so popular, Iive tried not to change the essential spirit of the book. Iive carefully tried to not add much, and to see whether there are things I can take away.
The biggest changes are in Chapter 3, about use cases, and Chapter 9, about activity diagrams, which have each received a severe rewrite. Iive also added a section on collaborations to Chapter 7. Elsewhere, Iive taken the opportunity to make a host of smaller changes, based on feedback and my experiences over the last couple of years.
Martin Fowler
Melrose, Massachusetts
April 1999
fowler@acm.org
http://ourworld.compuserve.com/homepages/Martin_Fowler