Developer Guide

This is a guide to the design principles and main features of the gCore Framework (gCF).

• Prerequisites
• Why a Framework?
• gCF at a Glance
  • Main Transparencies
  • A UML View
• The Anatomy of a gCube Service
• Dealing with Configuration
  • Configure What?
  • Profiles, Properties & Descriptors
• Contexts for the Masses
  • The gHN Context
  • Service Contexts
  • PortType Contexts
• Logging
  • Logging within the Container
  • Logging outside the Container
• Dealing with Faults
  • Modelling Failures: Faults & Exceptions
  • General-Purpose Failures
• Dealing with Scope
  • What's in Scope?
  • Modelling Scope
  • gCube Calls & the gCube Handler
  • Scope Managers
  • The Client Perspective:Scopes & Stubs
• Dealing with State
  • Counting State: the Stateful Resource
  • Accessing & Publishing State: the WSRF Way
  • Lifetime Issues: the WS-BaseLifetime
  • Design Patterns
    • Home Sweet Home
    • Churning State; the Factory Pattern
    • One and Only: the Singleton Pattern
    • Lite & Virtual: the View Patterns
  • Adding Persistence
    • Persistence Delegates
    • Persistence-Agnosting Code
    • File-based Persistence
• Dealing with Security
  • Key Concepts
  • Security Descriptors
  • Handling Credentials:Security Managers
    • Managers for Security-Aware Services
    • Managers for Autonomic Services
  • The Client Perspective:Security & Stubs
• Working with gCube Resources
• Towards Service Semantics: Frameworks within Frameworks
  • Local Processes: the Handler Framework
  • Local Events: the Event Framework
  • Objects before Objects: the Proxy Framework
• Towards Service Semantics: Client Libraries
  • Discovering Remote Resources: the IS Client
  • Publishing Local Resources: the IS Publisher
• From Theory to Practice: Getting Started