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Showing content from https://docs.aws.amazon.com/sdkforruby/api/Aws/Resources/Builder.html below:

Builder — AWS SDK for Ruby V2

You are viewing documentation for version 2 of the AWS SDK for Ruby. Version 3 documentation can be found here.

Inherits:

Object

• Object
• Aws::Resources::Builder

show all

Includes:

Options

Defined in:

aws-sdk-resources/lib/aws-sdk-resources/builder.rb

A Builder construct resource objects. It extracts resource identifiers for the objects it builds from another resource object and/or an AWS response.

• #resource_class ⇒ Class<Resource> readonly
• #sources ⇒ Array<BuilderSources::Source> readonly

  A list of resource identifier sources.

• #build(options = {}) ⇒ Resource⁺

  Returns a resource object or an array of resource objects if #plural?.

• #initialize(options = {}) ⇒ Builder constructor

  A new instance of Builder.

• #plural? ⇒ Boolean

  Returns true if this builder returns an array of resource objects from #build.

Returns a new instance of Builder.

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# File 'aws-sdk-resources/lib/aws-sdk-resources/builder.rb', line 13

def initialize(options = {})
  @resource_class = options[:resource_class]
  @sources = options[:sources] || []
end

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# File 'aws-sdk-resources/lib/aws-sdk-resources/builder.rb', line 19

def resource_class
  @resource_class
end

Returns A list of resource identifier sources.

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# File 'aws-sdk-resources/lib/aws-sdk-resources/builder.rb', line 23

def sources
  @sources
end

Returns a resource object or an array of resource objects if #plural?.

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# File 'aws-sdk-resources/lib/aws-sdk-resources/builder.rb', line 35

def build(options = {})
  identifier_map = @sources.each.with_object({}) do |source, hash|
    hash[source.target] = source.(options)
  end
  if plural?
    build_batch(identifier_map, options)
  else
    build_one(identifier_map, options)
  end
end

Returns true if this builder returns an array of resource objects from #build.

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# File 'aws-sdk-resources/lib/aws-sdk-resources/builder.rb', line 27

def plural?
  @sources.any?(&:plural?)
end

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