WireBox : Dependency Injection & AOP
5.x
5.x
  • Introduction
  • Intro
    • Introduction
      • What's New With 5.5.0
      • What's New With 5.4.0
      • What's New With 5.3.0
      • What's New With 5.0.0
      • What's New With 2.1.0
      • What's New With 2.0.0
      • About This Book
      • Author
  • Getting Started
    • Overview
    • Installing WireBox
    • Getting Jiggy Wit It!
      • Instance Creations
      • Binder Introduction
      • Scoping
      • Eager Init
      • How WireBox Resolves Dependencies
  • Configuration
    • Configuring WireBox
      • Binder Configuration Properties
      • Binder Environment Properties
      • ColdBox Enhanced Binder
      • Types & Scopes
      • Data Configuration Settings
      • Programmatic Configuration
    • Mapping DSL
      • Mapping Initiators
      • Mapping Destinations
      • MapDirectory() Influence & Filters
      • Persistence DSL
      • Dependencies DSL
        • Mapping Extra Attributes
      • Mapping DSL Examples
      • Influence Instances at Runtime
      • Processing Mappings
    • Component Annotations
      • Persistence Annotations
      • CacheBox Annotations
    • Parent Object Definitions
  • Usage
    • WireBox Injector
      • Injector Constructor Arguments
      • Injection Idioms
      • Common Methods
    • Injection DSL
      • ID-Model-Empty Namespace
      • Provider Namespace
      • WireBox Namespace
      • CacheBox Namespace
      • EntityService Namespace
      • LogBox Namespace
      • Java Namespace
      • ColdBox Namespace
    • WireBox Event Model
      • WireBox Events
      • WireBox Listeners
        • ColdBox Mode Listener
        • Standalone Mode Listener
  • Advanced Topics
    • Providers
      • Custom Providers
      • toProvider() closures
      • Virtual Provider Injection DSL
      • Virtual Provider Mapping
      • Virtual Provider Lookup Methods
      • Provider onMissingMethod Proxy
      • Scope Widening Injection
    • Virtual Inheritance
    • Runtime Mixins()
    • Object Persistence & Thread Safety
    • ORM Entity Injection
    • WireBox Object Populator
      • populateFromXML
      • populateFromQuery
      • populateFromStruct
      • populateFromQueryWithPrefix
      • populateFromJSON
  • Extending WireBox
    • Custom DSL
      • The DSL Builder Interface
      • Registering a Custom DSL
    • Custom Scopes
      • The Scope Interface
      • Scoping Process
      • Registering a Custom Scope
    • WireBox Injector Interface
  • Aspect Oriented Programming
    • AOP Intro
      • Overview
        • AOP Vocabulary
      • Activate The AOP Listener
      • Create Your Aspect
        • MethodInvocation Useful Methods
        • MethodLogger Aspect
      • Aspect Registration
      • Aspect Binding
      • Auto Aspect Binding
        • ClassMatcher Annotation DSL
        • MethodMatcher Annotation DSL
      • Included Aspects
        • CFTransaction
        • HibernateTransaction
        • MethodLogger
      • Summary
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  1. Aspect Oriented Programming
  2. AOP Intro

Summary

So now that we mapped our self binding aspect, let's clean up our code further:

component name="UserService"{

    function save() transactional{
        // do some work here
    }
}

Now isn't this amazing! We are back to our original business logic and code with no extra fluff around logging, transactions and pretty much just code noise. Now we are talking and cooking with AOP. So hopefully by now you nave a good grasp of what AOP does for you and how to implement it in WireBox. So here are the steps to remind you:

  1. Create an aspect that implements: wirebox.system.aop.MethodInterceptor

  2. Map the aspect in your WireBox binder via the mapAspect() method

  3. Bind the aspect to classes and methods via annotations or the bindAspect() method

So, easy as 1-2-3! AOP is powerful and extermely flexible. Hopefully, your imagination is now going into overdrive and coming up with ways to not only clean up your code from cross cutting concerns, but also help you do things like:

  • threaded methods

  • transform method results

  • method auditing

  • method security

  • cache method results

  • etc.

PreviousMethodLogger

Last updated 7 years ago

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