Building Modular Cloud Apps with OSGi

Preface

Part 1: Introducing Modularity in Java
1. Modularity Introduction
-Dealing with Increasing Complexity complexity
-Divide and Conquer
-Service Oriented Architecture All Over Again?
-A Better Look at Modularity and What It Really Means
-Modularity Solutions
-Choosing a Solution: OSGi
-Tooling

2. Basic Concepts of OSGi
-Hiding Implementations
-Import Package Myths
-Depending on Other Modules
-Service Dynamics
-The Bundle Format bundlesformat
-Running an OSGi Application
-The Framework Lifecycle

3. Creating the First OSGi Application
-Prerequisites
-Getting Started
-Creating an API Bundle
-Creating an OSGi Service
-Running the Code
-Using the Agenda Service
-Service Instances
-Understanding Service Dynamics

4. Advanced OSGi
-Semantic Versioning
-Integration Testing
-Configuring Services Configuration Admin APIconfiguring services
-Log Service
-Extender Pattern
-Event Admin
-Aspect Services
-The Bundle Cache

5. Pointers and Pitfalls
-Better Understanding OSGi Specifications
-Require Bundle
-Fragment Bundles
-Loading Extra System Packages
-Profilers, Coverage Tools, and Bootpath Delegation
-Dealing with Non-OSGi Libraries
-Transitive Dependencies transitive dependencies
-Classloading Problems in Libraries and Frameworks
-The Low-Level Service API
-Dynamic Classloading

Part 2: Developing Cloud Applications
6. Cloud Application Architecture
-Technology Stack
-The Amdatu Project
-The Layered Architecture
-Inside a Bundle
-API Bundles
-Separation of Concerns
-Services Are Responsible for Their Own Data
-Bndtools Project Structure project structure
-Comparing with SOA Again
-Remoting

7. Architectural Capabilities system capabilities
-Maintainability
-Extensibility
-Scalability scalability
-Testability mocking

8. Creating Web Applications
-Modular Web Applications
-HTTP Service
-Handling Web Resources Automatically X-Web-Resource-Version header
-Rethinking Web Applications
-RESTful Web Services
-Modular User Interfaces Using HTML 5
-Token Based Security
-Web Application Bundles
-OpenSocial

9. Persistence
-Relational Databases
-NoSQL

Part 3: Deploying Applications in the Cloud
10. Deployment
-Understanding OSGi Runtimes
-Choosing an OSGi Framework for Deployment
-IaaS versus PaaS versus SaaS
-A Modular PaaS
-Apache ACE provisioning
-Creating a Deployment
-Autoscaling

11. Alternative Deployment Methods
-Packaging an Application as an Executable JAR
-Application Servers Application Servers
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Appendix A: Example Application

Index