Module: Jamf::BaseClass

Defined in:
lib/jamf/base_class.rb

Overview

This mixin should be extended in base class definitions it will raise an error if those classes are instantiated or allocated It also maintains an array of classes that extend themselves this way

Constant Summary collapse

DEFAULT_ACTION = 
'access the API'.freeze
ALLOCATION_ACTION = 
'be allocated'.freeze
INSTANTIATION_ACTION = 
'be instantiated'.freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.base_classes ⇒ Object

Classes will be added to this array as they are exteded by BaseClass



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# File 'lib/jamf/base_class.rb', line 44

def self.base_classes
  @base_classes ||= []
end

.extended(by_class) ⇒ Object

when a class is extended by this module, it gets added to the array of known base classes



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# File 'lib/jamf/base_class.rb', line 39

def self.extended(by_class)
  base_classes << by_class
end

.stop_if_base_class(klass, action = DEFAULT_ACTION) ⇒ Object

raise an exception if a given class is a base class

Raises:



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# File 'lib/jamf/base_class.rb', line 49

def self.stop_if_base_class(klass, action = DEFAULT_ACTION)
  raise Jamf::UnsupportedError, "#{klass} is a base class and cannot #{action}." if base_classes.include? klass
end

Instance Method Details

#base_class? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jamf/base_class.rb', line 53

def base_class?
  Jamf::BaseClass.base_classes.include? self
end

#new(*args, **kwargs, &block) ⇒ Object

Can't instantiate if base_class



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# File 'lib/jamf/base_class.rb', line 64

def new(*args, **kwargs, &block)
  stop_if_base_class INSTANTIATION_ACTION
  super(*args, **kwargs, &block)
end

#stop_if_base_class(action = DEFAULT_ACTION) ⇒ Object

raise an exception if this class is a base class



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# File 'lib/jamf/base_class.rb', line 70

def stop_if_base_class(action = DEFAULT_ACTION)
  Jamf::BaseClass.stop_if_base_class self, action
end