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Contents
# frozen_string_literal: true
module Valkyrie::Persistence::Solr::Queries
# Responsible for efficently returning all {Valkyrie::Resource}s which are referenced in
# a given {Valkyrie::Resource}'s property.
class FindReferencesQuery
attr_reader :resource, :property, :connection, :resource_factory
def initialize(resource:, property:, connection:, resource_factory:)
@resource = resource
@property = property
@connection = connection
@resource_factory = resource_factory
end
def run
enum_for(:each)
end
def each
docs = DefaultPaginator.new
while docs.has_next?
params = { q: query, defType: 'lucene' }
result = connection.paginate(docs.next_page, docs.per_page, 'select', params: params)
docs = result.fetch('response').fetch('docs')
docs.each do |doc|
yield resource_factory.to_resource(object: doc)
end
end
end
def query
"{!join from=#{property}_ssim to=join_id_ssi}id:#{id}"
end
def id
resource.id.to_s
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems