Class: Puppet::Pops::Binder::Producers::MultibindProducer Abstract

Inherits:

AbstractArgumentedProducer

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

Defined in:

lib/puppet/pops/binder/producers.rb

Overview

This class is abstract.

Abstract base class for multibind producers. Is suitable as base class for custom implementations of multibind producers.

Direct Known Subclasses

ArrayMultibindProducer, HashMultibindProducer

Instance Attribute Summary

• #contributions_key ⇒ Object readonly

Attributes inherited from AbstractArgumentedProducer

#binding, #injector

Attributes inherited from Producer

#transformer

Instance Method Summary

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

  A new instance of MultibindProducer.

• #type_error_detail(expected, actual) ⇒ String private

  A formatted string for inclusion as detail in an error message.

Methods inherited from Producer

#produce, #producer

Constructor Details

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

Returns a new instance of MultibindProducer.

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

# File 'lib/puppet/pops/binder/producers.rb', line 525

def initialize(injector, binding, scope, options)
  super
  @contributions_key = injector.key_factory.multibind_contributions(binding.id)
end

Instance Attribute Details

#contributions_key ⇒ Object (readonly)

# File 'lib/puppet/pops/binder/producers.rb', line 516

def contributions_key
  @contributions_key
end

Instance Method Details

#type_error_detail(expected, actual) ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a formatted string for inclusion as detail in an error message.

Parameters:

• expected (Array<Types::PAnyType>, Types::PAnyType) —

  expected type or types

• actual (Object, Types::PAnyType) —

  the actual value (or its type)

Returns:

• (String) —

  a formatted string for inclusion as detail in an error message

# File 'lib/puppet/pops/binder/producers.rb', line 535

def type_error_detail(expected, actual)
  tc = injector.type_calculator
  expected = [expected] unless expected.is_a?(Array)
  actual_t = tc.is_ptype?(actual) ? actual : tc.infer(actual)
  expstrs = expected.collect {|t| t.to_s }
  "expected: #{expstrs.join(', or ')}, got: #{actual_t}"
end