Module: RDF::Util::UUID

Defined in:
lib/rdf/util/uuid.rb

Overview

Utilities for UUID handling.

See Also:

Class Method Summary collapse

Class Method Details

.generate(format: :default) ⇒ String

Generates a UUID string.

This will make use of either the [UUID][] gem or the [UUIDTools][] gem, whichever of the two happens to be available.

[UUID]: rubygems.org/gems/uuid [UUIDTools]: rubygems.org/gems/uuidtools

Parameters:

  • format (:default, :compact, :urn) (defaults to: :default) —

    (:default)

Returns:

  • (String) —

    a UUID string

Raises:

  • (LoadError) —

    if no UUID library is available

See Also:



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# File 'lib/rdf/util/uuid.rb', line 21

def self.generate(format: :default)
  begin
    require 'uuid'
    ::UUID.generate(format)
  rescue LoadError
    begin
      require 'uuidtools'
      ::UUIDTools::UUID.random_create.hexdigest
    rescue LoadError
      raise LoadError.new("no such file to load -- uuid or uuidtools")
    end
  end
end