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MacRuby example of using Core Data to search for Category objects
class AuctionTableDatasource
attr_writer :app_delegate
attr_accessor :view
.
.
.
def set_selected_category(category_name)
context = @app_delegate.managedObjectContext
@current_category = Category.find_first(context, by_name:category_name)
all = @current_category.auctions.allObjects
@all_rows = all.collect do |row|
# This converts the Core Data object into a hash that the rest of the data source uses to display.
translate_row(row)
end
view.reloadData
end
end
require 'entity'
class Category < Entity
end
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