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Spring 5 Design Patterns

Spring 5 Design Patterns

By : Rajput
4.1 (21)
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Spring 5 Design Patterns

Spring 5 Design Patterns

4.1 (21)
By: Rajput

Overview of this book

Design patterns help speed up the development process by offering well tested and proven solutions to common problems. These patterns coupled with the Spring framework offer tremendous improvements in the development process. The book begins with an overview of Spring Framework 5.0 and design patterns. You will understand the Dependency Injection pattern, which is the main principle behind the decoupling process that Spring performs, thus making it easier to manage your code. You will learn how GoF patterns can be used in Application Design. You will then learn to use Proxy patterns in Aspect Oriented Programming and remoting. Moving on, you will understand the JDBC template patterns and their use in abstracting database access. Then, you will be introduced to MVC patterns to build Reactive web applications. Finally, you will move on to more advanced topics such as Reactive streams and Concurrency. At the end of this book, you will be well equipped to develop efficient enterprise applications using Spring 5 with common design patterns
Table of Contents (13 chapters)
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Implementing the Builder pattern to create an embedded data source


In application development, the embedded database is very useful, because it doesn't require a separate database server that your application connects. Spring provides one more data source for embedded databases. It is not powerful enough for the production environment. We can use the embedded data source for the development and testing environment. In Spring, the jdbc namespace configures an embedded database, H2, as follows:

In XML configuration, H2 is configured as follows:

    <jdbc:embedded-database id="dataSource" type="H2"> 
     <jdbc:script location="schema.sql"/> 
     <jdbc:script location="data.sql"/> 
    </jdbc:embedded-database> 

In Java configuration, H2 is configured as follows:

    @Bean 
    public DataSource dataSource(){ 
      EmbeddedDatabaseBuilder builder =
        new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.H2); 
      builder.addScript("schema.sql"); 
      builder...
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Spring 5 Design Patterns
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