Class: Puppet::Pops::Binder::Producers::InstantiatingProducer

Inherits:

AbstractArgumentedProducer

• Object
• Producer
• AbstractArgumentedProducer
• Puppet::Pops::Binder::Producers::InstantiatingProducer

Defined in:

lib/puppet/pops/binder/producers.rb

Instance Attribute Summary

• #init_args ⇒ Object readonly
• #the_class ⇒ Object readonly

Attributes inherited from AbstractArgumentedProducer

#binding, #injector

Attributes inherited from Producer

#transformer

Instance Method Summary

• #initialize(injector, binding, scope, options) ⇒ InstantiatingProducer constructor

  A new instance of InstantiatingProducer.

Methods inherited from Producer

#produce, #producer

Constructor Details

#initialize(injector, binding, scope, options) ⇒ InstantiatingProducer

Returns a new instance of InstantiatingProducer.

Parameters:

• injector (Puppet::Pops::Binder::Injector) —

  The injector where the lookup originates

• binding (Puppet::Pops::Binder::Bindings::Binding, nil) —

  The binding using this producer

• scope (Puppet::Parser::Scope) —

  The scope to use for evaluation

• options (Hash) —

  a customizable set of options

Options Hash (options):

• :transformer (Puppet::Pops::Model::LambdaExpression) — default: nil —

  a transformer of produced value

• :class_name (String) —

  The name of the class to create instance of

• :init_args (Array<Object>) — default: [] —

  Optional arguments to class constructor

Raises:

• (ArgumentError)

# File 'lib/puppet/pops/binder/producers.rb', line 215

def initialize(injector, binding, scope, options)
  # Better do this, even if a transformation of a created instance is kind of an odd thing to do, one can imagine
  # sending it to a function for further detailing.
  #
  super
  class_name = options[:class_name]
  raise ArgumentError, "Option 'class_name' must be given for an InstantiatingProducer" unless class_name
  # get class by name
  @the_class = Puppet::Pops::Types::ClassLoader.provide(class_name)
  @init_args = options[:init_args] || []
  raise ArgumentError, "Can not load the class #{class_name} specified in binding named: '#{binding.name}'" unless @the_class
end

Instance Attribute Details

#init_args ⇒ Object (readonly)

# File 'lib/puppet/pops/binder/producers.rb', line 205

def init_args
  @init_args
end

#the_class ⇒ Object (readonly)

# File 'lib/puppet/pops/binder/producers.rb', line 202

def the_class
  @the_class
end