Class: Lafcadio::ContextualService

Inherits:
Object
  • Object
show all
Defined in:
lib/lafcadio/util/ContextualService.rb

Overview

A ContextualService is a service that is managed by the Context. ContextualServices are not instantiated normally. Instead, the instance of such a service may be retrieved by calling the method

< class name >.get< class name >

For example: ObjectStore.getObjectStore

Direct Known Subclasses

ObjectStore

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(passKey) ⇒ ContextualService

The passKey needs to be the Context instance, or else this method fails. Note that this isn’t hard security of any kind; it’s simply a gentle reminder to users of a ContextualService that the class should not be instantiated directly.



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# File 'lib/lafcadio/util/ContextualService.rb', line 24

def initialize(passKey)
	if passKey.class != Context
		raise ArgumentError,
				  "#{ self.class.name.to_s } should only be instantiated by a " +
					  "Context",
				  caller
	end
end

Class Method Details

.method_missing(methodId) ⇒ Object 



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# File 'lib/lafcadio/util/ContextualService.rb', line 11

def ContextualService.method_missing(methodId)
	methodName = methodId.id2name
	if methodName =~ /^get.*/
		Context.instance.send(methodName)
	else
		super methodId
	end
end