class DataMapper::Resource::PersistenceState::Clean
a persisted/unmodified resource
Public Instance Methods
commit()
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# File lib/dm-core/resource/persistence_state/clean.rb, line 23 def commit self end
delete()
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# File lib/dm-core/resource/persistence_state/clean.rb, line 19 def delete Deleted.new(resource) end
rollback()
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# File lib/dm-core/resource/persistence_state/clean.rb, line 27 def rollback self end
set(subject, value)
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# File lib/dm-core/resource/persistence_state/clean.rb, line 7 def set(subject, value) if not_modified?(subject, value) self else # assign to persistence_state so that if Dirty#set calls # a Relationship#set, which modifies a Property, the same # Dirty state instance will be reused. state = resource.persistence_state = Dirty.new(resource) state.set(subject, value) end end
Private Instance Methods
not_modified?(subject, value)
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# File lib/dm-core/resource/persistence_state/clean.rb, line 33 def not_modified?(subject, value) subject.loaded?(resource) && subject.get!(resource).eql?(value) end