Module: RoadForest::RDF::SourceRigor::Credence

Defined in:
lib/roadforest/rdf/source-rigor/credence.rb,
lib/roadforest/rdf/source-rigor/credence/any.rb,
lib/roadforest/rdf/source-rigor/credence/role-if-available.rb,
lib/roadforest/rdf/source-rigor/credence/none-if-role-absent.rb

Defined Under Namespace

Classes: Any, NoneIfRoleAbsent, RoleIfAvailable

Class Method Summary collapse

Class Method Details

.policies ⇒ Object 



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# File 'lib/roadforest/rdf/source-rigor/credence.rb', line 7

def self.policies
  @policies ||= {
    :any => Any.new,
    :may_subject => RoleIfAvailable.new(:subject),
    :must_subject => NoneIfRoleAbsent.new(:subject),
    :may_local => RoleIfAvailable.new(:local),
    :must_local => NoneIfRoleAbsent.new(:local)
  }
end

.policy(name) ⇒ Object 



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# File 'lib/roadforest/rdf/source-rigor/credence.rb', line 17

def self.policy(name)
  if block_given?
    policies[name] ||= yield
  else
    begin
      policies.fetch(name)
    rescue KeyError
      raise "No Credence policy for #{name.inspect} (available named policies are #{policies.keys.inspect})"
    end
  end
end