# File lib/aws/simple_db/put_attributes.rb, line 42 def do_put attribute_hashes, expect_opts = {} return nil if attribute_hashes.empty? opts = { :domain_name => item.domain.name, :item_name => item.name, :attributes => attribute_hashes, :expected => expect_condition_opts(expect_opts) } opts.delete(:expected) if opts[:expected].empty? client.put_attributes(opts) nil end