Introducing Spring Framework

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Chapter 3 ■ Applying Different Configurations } public Document getDoc3() { return doc3; } public void setDoc3(Document doc3) { this.doc3 = doc3; } public Document getDoc4() { return doc4; } public void setDoc4(Document doc4) { this.doc4 = doc4; } public Document[] getAll() { return new Document[] { doc1, doc2, doc3, doc4 }; } Well, now this looks a little better. You are separating the way you are extracting the data, but how are you doing this? Well, if you recall, you were using some kind of storage method to retrieve the information, right? (See Listing 3-2.) Then you decided to reimplement your SearchEngine interface by adding a new way to get the data, and the solution was to create an interface that will be injected independent of its implementation, making your class more robust and easy to maintain. But let’s see how you are going to modify the XML so the <strong>Spring</strong> container knows about all of these new modifications. Listing 3-6 is an example of your new modified mydocuments-context.xml configuration file. This configuration holds all the information about your new DocumentDAO class implementation (DocumentRepository) and how it’s being injected in your SearchEngine implementation. Listing 3-6. mydocuments-context.xml 30
Chapter 3 ■ Applying Different Configurations Analyzing Listing 3-6, you can see that you are using some references like the ref attribute to assign a value; there’s a new declaration of the ServiceSearchEngine; you are setting a property, documentDAO; and you are referencing the value to another bean with id "documentDAO". 31
Page 1 and 2: THE EXPERT’S VOICE ® IN SPRING
Page 3 and 4: Contents at a Glance About the Auth
Page 5 and 6: Introduction This book is an introd
Page 7 and 8: Part I Spring Framework Basics The
Page 9 and 10: Chapter 1 ■ Your First Spring App
Page 19 and 20: Chapter 2 ■ Working with Classes
Page 29 and 30: Chapter 3 Applying Different Config
Page 31 and 32: Chapter 3 ■ Applying Different Co
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Page 41 and 42: Spring Stereotypes Chapter 3 ■ Ap
Page 49 and 50: Chapter 4 ■ Using Beans Scopes pu
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Page 55 and 56: Chapter 4 ■ Using Beans Scopes do
Page 57 and 58: Chapter 5 ■ Working with Collecti
Page 65 and 66: Chapter 6 ■ Using Resource Files
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Chapter 7 ■ Testing Your Spring A
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Chapter 7 ■ Testing Your Spring A
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Chapter 8 Give Advice to Your Sprin
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Chapter 8 ■ Give Advice to Your S
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Chapter 9 ■ Adding Persistence to
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Chapter 10 ■ Showing Your Spring
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Chapter 11 ■ Integrating Your Spr
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Chapter 12 Exposing a REST API Nowa
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Chapter 12 ■ Exposing a REST API
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HTTP-DELETE Chapter 12 ■ Exposing
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Chapter 13 Adding E-mail and Schedu
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Part III Spring Framework Advanced
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Chapter 14 ■ Using Dynamic Langua
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Chapter 15 ■ Spring Data Within Y
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Chapter 16 ■ Messaging with Your
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Chapter 17 Be Social and Go Mobile
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Chapter 17 ■ Be Social and Go Mob
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Part IV Spring I/O Spring I/O is no
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Chapter 18 ■ Spring and Groovy
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Chapter 19 ■ Spring Boot, Simplif
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Chapter 20 ■ Your First Spring XD
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Appendix A Installing Tools In this
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Appendix A ■ Installing Tools Fig
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Setting Environment Variables Appen
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Appendix A ■ Installing Tools 6.
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Stop MongoDB Server Appendix A ■
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Stop ActiveMQ Appendix A ■ Instal
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Installing RabbitMQ on Windows Appe
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Installing Spring XD on Windows App
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■ index • I I/O operations, 62
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■ index Spring application (cont.
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Introducing Spring Framework A Prim
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To my parents, Rocio Cruz and Felip
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■ Contents ■■Chapter 3: Apply
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■ Contents ■■Chapter 12: Expo
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■ Contents ■■Chapter 20: Your
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About the Author Felipe Gutierrez i
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Acknowledgments I would like to exp
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Introducing Spring Framework

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