Module: Coyote::ResourceLink

Defined in:

lib/coyote/resource_link.rb

Overview

Utilities for managing ResourceLinks

Defined Under Namespace

Classes: Verb

Constant Summary

VERB_PAIRS =

Various kinds of verbs we support form forming subject-verb-object predicate among Resources

See Also:

• Verb
• VERBS
• http://dublincore.org/documents/dcmi-terms/

[
  [Verb.new(:hasPart,        'a related resource that is included either physically or logically in the described resource.'),
   Verb.new(:isPartOf,       'a related resource in which the described resource is physically or logically included.')],

  [Verb.new(:hasVersion,     'a related resource that is a version, edition, or adaptation of the described resource.'),
   Verb.new(:isVersionOf,    'a related resource of which the described resource is a version, edition, or adaptation.')],

  [Verb.new(:hasFormat,       'a related resource that is substantially the same as the pre-existing described resource, but in another format.'),
   Verb.new(:isFormatOf,      'a related resource that is substantially the same as the described resource, but in another format.')],

  [Verb.new(:references,      'a related resource that is referenced, cited, or otherwise pointed to by the described resource.'),
   Verb.new(:isReferenceBy,   'a related resource that references, cites, or otherwise points to the described resource.')],

  [Verb.new(:hasSameIdentity,  'a related resource that is identical to the described resource.'),
   Verb.new(:isIdenticalTo,    'a related resource that is identical to the described resource.')]
].freeze

VERBS =

Lookup table for verbs

See Also:

• Verb
• VERB_PAIRS

VERB_PAIRS.inject({}) { |result, (forward_relation, backward_relation)|
  forward_relation.reverse  = backward_relation
  backward_relation.reverse = forward_relation

  result.merge!({
    forward_relation.name  => forward_relation,
    backward_relation.name => backward_relation
  })
}.freeze

VERB_CHOICES =

VERB_PAIRS.inject([]) { |total, (forward, reverse)|
  total << ["#{forward.name} (#{forward.description})", forward.name]
  total << ["#{reverse.name} (#{reverse.description})", reverse.name]
}.freeze

VERB_NAMES =

VERB_PAIRS.flatten.map { |v| v.name.to_s }.freeze