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module ActiveFedora
module Associations
class SingularAssociation < Association #:nodoc:
# Implements the reader method, e.g. foo.bar for Foo.has_one :bar
def reader(force_reload = false)
if force_reload
raise NotImplementedError, "Need to define the uncached method" #TODO
klass.uncached { reload }
elsif !loaded? || stale_target?
reload
end
target
end
# Implements the writer method, e.g. foo.items= for Foo.has_many :items
def writer(record)
replace(record)
end
def create(attributes = {})
new_record(:create, attributes)
end
def create!(attributes = {})
build(attributes).tap { |record| record.save! }
end
def build(attributes = {})
new_record(:build, attributes)
end
private
def find_target
# TODO this forces a solr query, but I think it's likely we can just lookup from Fedora.
rec = scope.take
rec.tap { |record| set_inverse_instance(record) }
end
# Implemented by subclasses
def replace(record)
raise NotImplementedError
end
def set_new_record(record)
replace(record)
end
def new_record(method, attributes)
attributes = {} #scoped.scope_for_create.merge(attributes || {})
record = @reflection.send("#{method}_association", attributes)
set_new_record(record)
record
end
end
end
end
Version data entries
33 entries across 33 versions & 1 rubygems