Class: Puppet::Pops::Binder::Producers::SingletonProducerProducer

Inherits:

Producer

• Object
• Producer
• Puppet::Pops::Binder::Producers::SingletonProducerProducer

Defined in:

lib/puppet/pops/binder/producers.rb

Overview

Produces the given producer, then uses that producer.

See Also:

• for the non singleton version

Instance Attribute Summary

• #value_producer ⇒ Object readonly

Attributes inherited from Producer

#transformer

Instance Method Summary

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

  A new instance of SingletonProducerProducer.

Methods inherited from Producer

#produce, #producer

Constructor Details

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

Returns a new instance of SingletonProducerProducer.

Parameters:

• injector (Injector) —

  The injector where the lookup originates

• binding (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 (Model::LambdaExpression) — default: nil —

  a transformer of produced value

• :producer_producer (Model::LambdaExpression) —

  a producer of a value producer (required)

Raises:

• (ArgumentError)

# File 'lib/puppet/pops/binder/producers.rb', line 392

def initialize(injector, binding, scope, options)
  super
  p = options[:producer_producer]
  raise ArgumentError, "Option :producer_producer must be given in a SingletonProducerProducer" unless p
  @value_producer = p.produce(scope)
end

Instance Attribute Details

#value_producer ⇒ Object (readonly)

# File 'lib/puppet/pops/binder/producers.rb', line 383

def value_producer
  @value_producer
end