Class: Geet::Utils::AttributesSelectionManager

Inherits:
Object
  • Object
show all
Includes:
Shared::Constants
Defined in:
lib/geet/utils/attributes_selection_manager.rb

Overview

Manages the retrieval and selection of attributes.

Selecting an attribute happens in two steps: retrieval and selection.

With this structure, the retrieval happens in parallel, cutting the time considerably when multiple attributes are required (typically, three).

Constant Summary

Constants included from Shared::Constants

Shared::Constants::MANUAL_LIST_SELECTION_FLAG

Instance Method Summary collapse

Constructor Details

#initialize(repository, out: output) ⇒ AttributesSelectionManager

Initialize the instance, and starts the background threads.



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# File 'lib/geet/utils/attributes_selection_manager.rb', line 21

def initialize(repository, out: output)
  @repository = repository
  @out = out
  @selections_data = []
end

Instance Method Details

#add_attribute(repository_call, description, pattern, selection_type, name_method: nil, &pre_selection_hook) ⇒ Object 



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# File 'lib/geet/utils/attributes_selection_manager.rb', line 27

def add_attribute(repository_call, description, pattern, selection_type, name_method: nil, &pre_selection_hook)
  raise "Unrecognized selection type #{selection_type.inspect}" if ![:single, :multiple].include?(selection_type)

  finder_thread = find_attribute_entries(repository_call)

  @selections_data << [finder_thread, description, pattern, selection_type, name_method, pre_selection_hook]
end

#select_attributes ⇒ Object

Select and return the attributes, in the same order they’ve been added.



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# File 'lib/geet/utils/attributes_selection_manager.rb', line 37

def select_attributes
  @selections_data.map do |finder_thread, description, pattern, selection_type, name_method, pre_selection_hook|
    entries = finder_thread.value

    entries = pre_selection_hook.(entries) if pre_selection_hook

    case selection_type
    when :single
      select_entry(description, entries, pattern, name_method)
    when :multiple
      select_entries(description, entries, pattern, name_method)
    end
  end
end