Spring: Developing Java Applications for the Enterprise
by Ravi Kant Soni, Rajesh RV, Amuthan Ganeshan
Spring: Developing Java Applications for the Enterprise
- Spring: Developing Java Applications for the Enterprise
- Table of Contents
- Spring: Developing Java Applications for the Enterprise
- Spring: Developing Java Applications for the Enterprise
- Credits
- Preface
- 1. Module 1
- 1. Introducing the Spring Framework
- 2. Inversion of Control in Spring
- Understanding Inversion of Control
- Dependency Injection
- Bean definition inheritance
- Autowiring in Spring
- The bean's scope
- The Spring bean life cycle
- Exercise
- Summary
- 3. DAO and JDBC in Spring
- Overview of database
- The DAO design pattern
- JDBC without Spring
- Spring JDBC packages
- JDBC with Spring
- What is JdbcTemplate
- JDBC batch operation in Spring
- Calling a stored procedure
- Exercise
- Summary
- 4. Hibernate with Spring
- Why Object/Relational Mapping?
- Introducing ORM, O/RM, and O/R mapping
- Introducing Hibernate
- Integrating Hibernate with the Spring Framework
- Sample data model for example code
- Integrating Hibernate
- Required JARs for the Spring-Hibernate project
- Configuring Hibernate SessionFactory in Spring
- Annotated domain model class
- The Hibernate sessions
- Persistence layer – implement DAOs
- Service layer – implement services
- Directory structure of the application
- Running the application
- Hibernate Query Language
- Hibernate Criteria Query Language
- Exercise
- Summary
- 5. Spring Security
- 6. Spring Testing
- 7. Integrating JavaMail and JMS with Spring
- E-mail support in Spring
- Spring Java Messaging Service
- Exercise
- Summary
- A. Solutions to Exercises
- B. Setting up the Application Database – Apache Derby
- 2. Module 2
- 1. Configuring a Spring Development Environment
- 2. Spring MVC Architecture – Architecting Your Web Store
- Dispatcher servlet
- Understanding the Dispatcher servlet configuration
- Servlet mapping versus request mapping
- Web application context
- View resolvers
- Understanding the web application context configuration
- Model View Controller
- Overview of the Spring MVC request flow
- The web application architecture
- The Domain layer
- The Persistence layer
- The Service layer
- An overview of the web application architecture
- Summary
- 3. Control Your Store with Controllers
- 4. Working with Spring Tag Libraries
- 5. Working with View Resolver
- 6. Internalize Your Store with Interceptor
- 7. Incorporating Spring Security
- 8. Validate Your Products with a Validator
- 9. Give REST to Your Application with Ajax
- 10. Float Your Application with Web Flow
- 11. Template with Tiles
- 12. Testing Your Application
- A. Using the Gradle Build Tool
- B. Pop Quiz Answers
- Chapter 2, Spring MVC Architecture - Architecting Your Web Store
- Chapter 3, Control Your Store with Controllers
- Chapter 4, Working with Spring Tag Libraries
- Chapter 5, Working with View Resolver
- Chapter 6, Internalize Your Store with Interceptor
- Chapter 7, Incorporating Spring Security
- Chapter 10, Float Your Application with Web Flow
- Chapter 11, Template with Tiles
- 3. Module 3
- 1. Demystifying Microservices
- The evolution of microservices
- What are microservices?
- Microservices – the honeycomb analogy
- Principles of microservices
- Characteristics of microservices
- Microservices examples
- Microservices benefits
- Supports polyglot architecture
- Enabling experimentation and innovation
- Elastically and selectively scalable
- Allowing substitution
- Enabling to build organic systems
- Helping reducing technology debt
- Allowing the coexistence of different versions
- Supporting the building of self-organizing systems
- Supporting event-driven architecture
- Enabling DevOps
- Relationship with other architecture styles
- Relations with SOA
- Relations with Twelve-Factor apps
- A single code base
- Bundling dependencies
- Externalizing configurations
- Backing services are addressable
- Isolation between build, release, and run
- Stateless, shared nothing processes
- Exposing services through port bindings
- Concurrency to scale out
- Disposability with minimal overhead
- Development and production parity
- Externalizing logs
- Package admin processes
- Microservice use cases
- Summary
- 2. Building Microservices with Spring Boot
- Setting up a development environment
- Developing a RESTful service – the legacy approach
- Moving from traditional web applications to microservices
- Using Spring Boot to build RESTful microservices
- Getting started with Spring Boot
- Developing the Spring Boot microservice using the CLI
- Developing the Spring Boot Java microservice using STS
- Developing the Spring Boot microservice using Spring Initializr – the HATEOAS example
- What's next?
- The Spring Boot configuration
- Changing the default embedded web server
- Implementing Spring Boot security
- Enabling cross-origin access for microservices
- Implementing Spring Boot messaging
- Developing a comprehensive microservice example
- Spring Boot actuators
- Configuring application information
- Adding a custom health module
- Documenting microservices
- Summary
- 3. Applying Microservices Concepts
- Patterns and common design decisions
- Establishing appropriate microservice boundaries
- Designing communication styles
- Orchestration of microservices
- How many endpoints in a microservice?
- One microservice per VM or multiple?
- Rules engine – shared or embedded?
- Role of BPM and workflows
- Can microservices share data stores?
- Setting up transaction boundaries
- Service endpoint design consideration
- Handling shared libraries
- User interfaces in microservices
- Use of API gateways in microservices
- Use of ESB and iPaaS with microservices
- Service versioning considerations
- Design for cross origin
- Handling shared reference data
- Microservices and bulk operations
- Microservices challenges
- The microservices capability model
- Summary
- Patterns and common design decisions
- 4. Microservices Evolution – A Case Study
- Reviewing the microservices capability model
- Understanding the PSS application
- Death of the monolith
- Microservices to the rescue
- The business case
- Plan the evolution
- Migrate modules only if required
- Target architecture
- Target implementation view
- Summary
- 5. Scaling Microservices with Spring Cloud
- Reviewing microservices capabilities
- Reviewing BrownField's PSS implementation
- What is Spring Cloud?
- Setting up the environment for BrownField PSS
- Spring Cloud Config
- What's next?
- Setting up the Config server
- Understanding the Config server URL
- Handling configuration changes
- Spring Cloud Bus for propagating configuration changes
- Setting up high availability for the Config server
- Monitoring the Config server health
- Config server for configuration files
- Completing changes to use the Config server
- Feign as a declarative REST client
- Ribbon for load balancing
- Eureka for registration and discovery
- Zuul proxy as the API gateway
- Streams for reactive microservices
- Summarizing the BrownField PSS architecture
- Summary
- 6. Autoscaling Microservices
- 7. Logging and Monitoring Microservices
- 8. Containerizing Microservices with Docker
- Reviewing the microservice capability model
- Understanding the gaps in BrownField PSS microservices
- What are containers?
- The difference between VMs and containers
- The benefits of containers
- Microservices and containers
- Introduction to Docker
- Deploying microservices in Docker
- Running RabbitMQ on Docker
- Using the Docker registry
- Microservices on the cloud
- Running BrownField services on EC2
- Updating the life cycle manager
- The future of containerization – unikernels and hardened security
- Summary
- 9. Managing Dockerized Microservices with Mesos and Marathon
- Reviewing the microservice capability model
- The missing pieces
- Why cluster management is important
- What does cluster management do?
- Relationship with microservices
- Relationship with virtualization
- Cluster management solutions
- Cluster management with Mesos and Marathon
- Implementing Mesos and Marathon for BrownField microservices
- A place for the life cycle manager
- The technology metamodel
- Summary
- 10. The Microservices Development Life Cycle
- Reviewing the microservice capability model
- The new mantra of lean IT – DevOps
- Meeting the trio – microservices, DevOps, and cloud
- Practice points for microservices development
- Understanding business motivation and value
- Changing the mindset from project to product development
- Choosing a development philosophy
- Using the concept of Minimum Viable Product
- Overcoming the legacy hotspot
- Addressing challenges around databases
- Establishing self-organizing teams
- Building a self-service cloud
- Building a microservices ecosystem
- Defining a DevOps-style microservice life cycle process
- Automating the continuous delivery pipeline
- Development
- Continuous integration
- Automated testing
- Different candidate tests for automation
- Automated sanity tests
- Regression testing
- Automated functional testing
- Automated acceptance testing
- Performance testing
- Real user flow simulation or journey testing
- Automated security testing
- Exploratory testing
- A/B testing, canary testing, and blue-green deployments
- Other nonfunctional tests
- Testing in production
- Antifragility testing
- Target test environments
- Different candidate tests for automation
- Continuous deployment
- Monitoring and feedback
- Automated configuration management
- Microservices development governance, reference architectures, and libraries
- Summary
- 1. Demystifying Microservices
- Bibliography
- Index
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