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module ActiveFedora
module Associations
class BelongsToAssociation < SingularAssociation #:nodoc:
def replace(record)
if record
raise_on_type_mismatch(record)
# update_counters(record)
replace_keys(record)
set_inverse_instance(record)
@updated = true
else
# decrement_counters
remove_keys
end
self.target = record
end
def reset
super
@updated = false
end
def updated?
@updated
end
private
def replace_keys(record)
owner[reflection.foreign_key] = record.id
end
def remove_keys
owner[reflection.foreign_key] = nil
end
# Constructs a query that checks solr for the correct id & class_name combination
def construct_query(ids)
# Some descendants of ActiveFedora::Base are anonymous classes. They don't have names. Filter them out.
candidate_classes = klass.descendants.select {|d| d.name }
candidate_classes += [klass] unless klass == ActiveFedora::Base
model_pairs = candidate_classes.inject([]) { |arr, klass| arr << [:has_model, klass.to_class_uri]; arr }
'(' + ActiveFedora::SolrQueryBuilder.construct_query_for_ids(ids) + ') AND (' +
ActiveFedora::SolrQueryBuilder.construct_query_for_rel(model_pairs, 'OR') + ')'
end
def foreign_key_present?
owner[reflection.foreign_key]
end
# belongs_to is not invertible (unless we implement has_one, then make an exception here)
def invertible_for?(_)
false
end
def stale_state
owner[reflection.foreign_key]
end
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems