Class: ActiveFedora::WithMetadata::MetadataNode
- Inherits:
-
ActiveTriples::Resource
- Object
- ActiveTriples::Resource
- ActiveFedora::WithMetadata::MetadataNode
- Includes:
- ActiveModel::Dirty
- Defined in:
- lib/active_fedora/with_metadata/metadata_node.rb
Instance Attribute Summary collapse
-
#file ⇒ Object
readonly
Returns the value of attribute file.
Class Method Summary collapse
- .create_delegating_setter(name) ⇒ Object
- .exec_block(&block) ⇒ Object
- .parent_class ⇒ Object
- .parent_class=(parent) ⇒ Object
- .property(name, options) ⇒ Object
Instance Method Summary collapse
-
#initialize(file) ⇒ MetadataNode
constructor
A new instance of MetadataNode.
- #ldp_connection ⇒ Object
- #ldp_source ⇒ Object
- #metadata_uri ⇒ Object
- #metadata_uri=(uri) ⇒ Object
- #save ⇒ Object
- #set_value(*args) ⇒ Object
Constructor Details
#initialize(file) ⇒ MetadataNode
Returns a new instance of MetadataNode.
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 7 def initialize(file) @file = file super(file.uri, ldp_source.graph) end |
Instance Attribute Details
#file ⇒ Object (readonly)
Returns the value of attribute file.
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 5 def file @file end |
Class Method Details
.create_delegating_setter(name) ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 60 def create_delegating_setter(name) file.class.delegate(name, to: :metadata_node) end |
.exec_block(&block) ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 64 def exec_block(&block) class_eval &block end |
.parent_class ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 51 def parent_class @parent_class end |
.parent_class=(parent) ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 47 def parent_class= parent @parent_class = parent end |
.property(name, options) ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 55 def property(name, ) parent_class.delegate name, :"#{name}=", :"#{name}_changed?", to: :metadata_node super end |
Instance Method Details
#ldp_connection ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 34 def ldp_connection ActiveFedora.fedora.connection end |
#ldp_source ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 30 def ldp_source @ldp_source ||= LdpResource.new(ldp_connection, ) end |
#metadata_uri ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 16 def @metadata_uri ||= if file.new_record? ::RDF::URI.new nil else raise "#{file} must respond_to described_by" unless file.respond_to? :described_by file.described_by end end |
#metadata_uri=(uri) ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 12 def uri @metadata_uri = uri end |
#save ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 38 def save raise "Save the file first" if file.new_record? change_set = ChangeSet.new(self, self, changed_attributes.keys) SparqlInsert.new(change_set.changes, ::RDF::URI.new(file.uri)).execute() @ldp_source = nil true end |
#set_value(*args) ⇒ Object
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# File 'lib/active_fedora/with_metadata/metadata_node.rb', line 25 def set_value(*args) super attribute_will_change! args.first end |