Class: Openstack::Client::Resource

Inherits:
Object
  • Object
show all
Defined in:
lib/openstack-client/base.rb

Direct Known Subclasses

Keystone::V2_0::EC2, Keystone::V2_0::Token

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(manager, info, loaded = nil) ⇒ Resource

Returns a new instance of Resource.



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# File 'lib/openstack-client/base.rb', line 21

def initialize manager, info, loaded=nil
  self.manager  = manager
  self.info     = info
  self.loaded   = loaded

  self.add_details(info)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/openstack-client/base.rb', line 44

def method_missing(name, *args)
  self.get unless self.loaded

  return self.send(name, *args) if self.respond_to?(name)
  super
end

Instance Attribute Details

#info ⇒ Object

Returns the value of attribute info.



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# File 'lib/openstack-client/base.rb', line 6

def info
  @info
end

#loaded ⇒ Object

Returns the value of attribute loaded.



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# File 'lib/openstack-client/base.rb', line 7

def loaded
  @loaded
end

#manager ⇒ Object

Returns the value of attribute manager.



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# File 'lib/openstack-client/base.rb', line 5

def manager
  @manager
end

Class Method Details

.delegate(methods, options) ⇒ Object 



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# File 'lib/openstack-client/base.rb', line 9

def self.delegate methods, options
  to = options[:to]
  methods.each do |method|
    module_eval <<-EOM
      def #{method.to_s} *args, &block
        args.unshift(self)
        self.#{to.to_s}.send(:#{method.to_s}, *args, &block)
      end
    EOM
  end
end

Instance Method Details

#add_details(info) ⇒ Object 



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# File 'lib/openstack-client/base.rb', line 29

def add_details info
  info.each do |name, v|
    unless self.respond_to?(name.to_sym)
      self.instance_eval <<-EOM
        def #{name}
          self.info['#{name}']
        end
        def #{name}= val
          self.info['#{name}'] = val
        end
      EOM
    end
  end
end

#get ⇒ Object 



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# File 'lib/openstack-client/base.rb', line 51

def get
  self.loaded = true

  res = self.manager.get(self.id)
  self.info = res.info
  self.add_details(self.info)
  return self
end