Class: SwitchDb::ReferenceSet

Inherits:
Object
  • Object
show all
Defined in:
lib/switch_db/reference_set.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration_path) ⇒ ReferenceSet

Returns a new instance of ReferenceSet.



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# File 'lib/switch_db/reference_set.rb', line 8

def initialize(configuration_path)
  @configuration_path = configuration_path
  @references = {}
end

Instance Attribute Details

#configuration_path ⇒ Object (readonly)

Returns the value of attribute configuration_path.



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# File 'lib/switch_db/reference_set.rb', line 6

def configuration_path
  @configuration_path
end

#references ⇒ Object (readonly)

Returns the value of attribute references.



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# File 'lib/switch_db/reference_set.rb', line 6

def references
  @references
end

Class Method Details

.load_file(configuration_path) ⇒ Object 



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# File 'lib/switch_db/reference_set.rb', line 13

def self.load_file(configuration_path)
  new(configuration_path).tap do |instance|
    yaml = YAML.load_file(configuration_path)

    (yaml[:references] || []).map do |reference|
      reference = Reference.new(
        name: reference[:name],
        database_names: reference[:database_names]
      )

      instance.add_reference(reference)
    end
  end
rescue Errno::ENOENT
  new(configuration_path)
end

Instance Method Details

#add_reference(reference) ⇒ Object 



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# File 'lib/switch_db/reference_set.rb', line 30

def add_reference(reference)
  @references[reference.name] = reference
end

#remove_reference(reference) ⇒ Object 



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# File 'lib/switch_db/reference_set.rb', line 34

def remove_reference(reference)
  @references.delete(reference.name)
end

#write_reference_set ⇒ Object 



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# File 'lib/switch_db/reference_set.rb', line 38

def write_reference_set
  FileUtils.mkdir_p(configuration_directory)
  File.write(@configuration_path, to_h.to_yaml)
end