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商品の説明
内容説明
Google App Engine is one of the key technologies to emerge in recent years to help you build scalable web applications even if you have limited previous experience. If you are a Java programmer, this book offers you a Java approach to beginning Google App Engine. You will explore the runtime environment, front-end technologies like Google Web Toolkit, Adobe Flex, and the datastore behind App Engine. You'll also explore Java support on App Engine from end to end.
The journey begins with a look at the Google Plugin for Eclipse and finishes with a working web application that uses Google Web Toolkit, Google Accounts, and Bigtable. Along the way, youll dig deeply into the services that are available to access the datastore with a focus on Java Data Objects (JDO), JDOQL, and other aspects of Bigtable.
With this solid foundation in place, youll then be ready to tackle some of the more advanced topics like integration with other cloud platforms such as Salesforce.com and Google Wave.
NOTE: The source code files which accompanied this title are no longer available. Neither Apress nor the author is able to supply these files.
What youll learn
- How to get up and running with App Engine, starting with the Google Plugin for Eclipse
- All about the development server for testing and developing your applications
- How to develop applications using Servlets & JSPs, Spring Framework, and open source Flash Remoting and Messaging servers
- How to leverage the datastore in your applications, including Persistence as a Service
- How to use Spring as a Service for transactions, data access, and more
- How to use Google Web Toolkit to create AJAX components to drive your web applications
- How to send email and instant messages (XMPP) from within your application
- How to increase performance of your apps by storing data in memory using the Memcache service
Who this book is for
This book is for Java programmers looking to get started on Google App Engine, as well as App Engine programmers looking to move to Java.
Table of Contents
- Beginning Google App Engine for Java
- Introduction to App Engine
- Getting Started with Google App Engine for Java
- Servlet Container and Frameworks
- Developing Your Application
- Authenticating Users
- Using the App Engine Datastore
- App Engine Services
- Administration and Integration
著者について
Kyle Roche is the head of sales engineering and enablement at Appirio. Appirio built one of the first prototypes for Java support on App Engine, which was shown at the Campfire launch. Appirio builds applications that leverage App Engine or the Force.com platform. Other areas of expertise are in Facebook application development and Amazon Web Services. Kyle's website is KyleRoche.com.
Jeff Douglas is a senior technical consultant at Appirio. He has more than 10 years of experience building enterprise Java applications for SAP and was an early adopter of App Engine for Java. He contributed sample code for the Salesforce.com release of the Force.com for Google App Engine Java Toolkit. Jeff's website is blog.jeffdouglas.com.
Jeff Douglas is a senior technical consultant at Appirio. He has more than 10 years of experience building enterprise Java applications for SAP and was an early adopter of App Engine for Java. He contributed sample code for the Salesforce.com release of the Force.com for Google App Engine Java Toolkit. Jeff's website is blog.jeffdouglas.com.
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カスタマーレビュー
最も参考になったカスタマーレビュー
形式:ペーパーバック|Amazonが確認した購入
ビッグテーブルの仕組みが知りたくて買ってみたが、DBについてはJDOによるコーディング方法が書いてあるだけだった。
GAEを使いこなすには、他の本も読む必要がある。
この本に書かれている内容はインターネットで容易に知ることができるので、
上級者にとってはこの本は不要だと思われる。
一方でものすごい初心者が読むことを考えると、内容の網羅性の観点からは良い本だと言える。
ただし、ものすごい初心者がいきなりGAE/Jに取り組むのは難しいとも思う。
従って、例えば、１週間だけGAE/Jを体験したい人が読むべき本かもしれない。
GAEを使いこなすには、他の本も読む必要がある。
この本に書かれている内容はインターネットで容易に知ることができるので、
上級者にとってはこの本は不要だと思われる。
一方でものすごい初心者が読むことを考えると、内容の網羅性の観点からは良い本だと言える。
ただし、ものすごい初心者がいきなりGAE/Jに取り組むのは難しいとも思う。
従って、例えば、１週間だけGAE/Jを体験したい人が読むべき本かもしれない。
Amazon.com で最も参考になったカスタマーレビュー (beta)
Amazon.com:
12件のカスタマーレビュー
20 人中、19人の方が、｢このレビューが参考になった｣と投票しています。
lacks in content
2010/2/26
形式:ペーパーバック|Amazonが確認した購入
I was very frustrated with my purchase and I was contemplating to write a review out of frustration. However, after I've seen the 5-star reviews from other users, I couldn't believe my eyes. One review was raving about the code samples (absolutely ridiculous) and then I saw one other reader leaving a comment for the review saying that he's been working on the sample code for weeks and still couldn't make it work and I can relate to that.
I pre-order this book from Amazon and when I start reading it, it was a total disappointment. I've been working on GAE/J for a while now and I bought this book specifically to learn more about Google Accounts. The example projects are not complete and it requires you to fill in the blanks to make them work. I've also looked at the other chapters and they lack in content. The book tries to give you overall, breadth-first view of the technology (as you would expect from a beginner level book), but while doing so it mentions about bunch of GAE topics, but fails on giving good coverage for that topic. Especially in chapter 4, when the author(s) talk about frameworks, they don't mention about gotchas on how to make these frameworks work at the first place, because if you're using Spring, BlazeDS and GraniteDS (or any other frameworks, you need to do certain tweaks to make these frameworks/technologies/APIs work with GAE, because some of the Java APIs are "black-listed" by the App Engine for the obvious reasons.
If you're a beginner, this is not a book for you. If you're advanced, then again this book doesn't give you enough in-depth information of the GAE/J topics. In conclusion, it's sad to say, but this book is useless! You can save money just by going to Google's App Engine website and find more up-to-date and complete information, because they keep changing/upgrading the SDKs for GWT and the App Engine almost every month.
I pre-order this book from Amazon and when I start reading it, it was a total disappointment. I've been working on GAE/J for a while now and I bought this book specifically to learn more about Google Accounts. The example projects are not complete and it requires you to fill in the blanks to make them work. I've also looked at the other chapters and they lack in content. The book tries to give you overall, breadth-first view of the technology (as you would expect from a beginner level book), but while doing so it mentions about bunch of GAE topics, but fails on giving good coverage for that topic. Especially in chapter 4, when the author(s) talk about frameworks, they don't mention about gotchas on how to make these frameworks work at the first place, because if you're using Spring, BlazeDS and GraniteDS (or any other frameworks, you need to do certain tweaks to make these frameworks/technologies/APIs work with GAE, because some of the Java APIs are "black-listed" by the App Engine for the obvious reasons.
If you're a beginner, this is not a book for you. If you're advanced, then again this book doesn't give you enough in-depth information of the GAE/J topics. In conclusion, it's sad to say, but this book is useless! You can save money just by going to Google's App Engine website and find more up-to-date and complete information, because they keep changing/upgrading the SDKs for GWT and the App Engine almost every month.
4 人中、4人の方が、｢このレビューが参考になった｣と投票しています。
disappointed in lack of effort
2010/4/10
形式:ペーパーバック|Amazonが確認した購入
I'm disappointed in the lack of effort the authors did in compiling this book. They do seem to know the material, but the examples are largely just pages and pages of code that are not very well explained, and not very well tailored for a learning environment. For example, I consider Google's online tutorials excellent, such as this one here [...]
In contrast, the examples in this book are lazily put together. One of the key components to Google App Engine is the concept of Servlets. In this book, the authors dump 23 pages of code (pp 47 to 70), with tedious extraneous code, such as hundreds of irrelevant table styles (td bgcolor=#ffffff ). Not only that, but instead of just providing a single form element or two to make the point, the reader has to sift through pages of repetitive code doing the same thing for multiple extraneous elements. In the 23 pages, it is easy to miss the key critical things, such as how key elements are linked to other parts of the code. All that code could be reduced to a few pages to make the same points in a clear manner.
Unbelievably, they do the same thing in the next example explaining the Google Web Toolkit. Instead of just a one text element coded to enhance understanding, tons of extra code is devoted to coding repetitive elements, in this case, all seven days of the week are coded (with each 'day' element coded separately--taking up pages of code). It's clear they just dumped code from some sample projects instead of considering what would useful for teaching concepts.
Other "tutorials" such as how to link Flex, are copied from internet sources, but even more sparsely explained, and don't even seem to function, as another reviewer explained in terms of imported libraries. Often, a block of key code is shown, with no explanation of which file it should be part of (and Google App Engine requires coordination of a lot of different files). It's pretty obvious not a lot of effort was put into these sections.
Much better to understand the concepts of Google App Engine is the O'Reilly book, Programming Google App Engine. However, the O'Reilly book also lacks good tutorials.
Beginning Google App Engine does have some good information in it, specifically the introduction , but most of that information can be found online. I don't recommend this book.
In contrast, the examples in this book are lazily put together. One of the key components to Google App Engine is the concept of Servlets. In this book, the authors dump 23 pages of code (pp 47 to 70), with tedious extraneous code, such as hundreds of irrelevant table styles (td bgcolor=#ffffff ). Not only that, but instead of just providing a single form element or two to make the point, the reader has to sift through pages of repetitive code doing the same thing for multiple extraneous elements. In the 23 pages, it is easy to miss the key critical things, such as how key elements are linked to other parts of the code. All that code could be reduced to a few pages to make the same points in a clear manner.
Unbelievably, they do the same thing in the next example explaining the Google Web Toolkit. Instead of just a one text element coded to enhance understanding, tons of extra code is devoted to coding repetitive elements, in this case, all seven days of the week are coded (with each 'day' element coded separately--taking up pages of code). It's clear they just dumped code from some sample projects instead of considering what would useful for teaching concepts.
Other "tutorials" such as how to link Flex, are copied from internet sources, but even more sparsely explained, and don't even seem to function, as another reviewer explained in terms of imported libraries. Often, a block of key code is shown, with no explanation of which file it should be part of (and Google App Engine requires coordination of a lot of different files). It's pretty obvious not a lot of effort was put into these sections.
Much better to understand the concepts of Google App Engine is the O'Reilly book, Programming Google App Engine. However, the O'Reilly book also lacks good tutorials.
Beginning Google App Engine does have some good information in it, specifically the introduction , but most of that information can be found online. I don't recommend this book.
3 人中、3人の方が、｢このレビューが参考になった｣と投票しています。
Difficult to Follow
2010/4/6
形式:ペーパーバック
(minus) There was some value in this book, but I felt that there was just too much detail up front. There are several pages of code plus conversation on third party products such as Spring that I felt was too much information way too early in the book, although I'm sure the topics are appropriate somewhere. I finally just stopped reading to find a different book.
Considering this is a beginner book to such a topic, shorter iterations would have been helpful. For example, there were about 5 JSP pages, GWT, Servlets, Java class files, etc.. and talk of Spring and other such topics in a short amount of time.
I was hoping for one servlet, one (short) JSP page and then incrementally add small pieces to build the important foundations so that my short term memory could get wrapped around the topic.
(positive)I really appreciated the extended list of frameworks and their correspond states of compatibility with Google App Engine. I will take that knowledge with me as I'm sure I'll want to make use of some kind of framework.
Considering this is a beginner book to such a topic, shorter iterations would have been helpful. For example, there were about 5 JSP pages, GWT, Servlets, Java class files, etc.. and talk of Spring and other such topics in a short amount of time.
I was hoping for one servlet, one (short) JSP page and then incrementally add small pieces to build the important foundations so that my short term memory could get wrapped around the topic.
(positive)I really appreciated the extended list of frameworks and their correspond states of compatibility with Google App Engine. I will take that knowledge with me as I'm sure I'll want to make use of some kind of framework.
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