module NewRelic::CollectionHelper
Constants
- DEFAULT_ARRAY_TRUNCATION_SIZE
- DEFAULT_TRUNCATION_SIZE
Public Instance Methods
Source
# File lib/new_relic/collection_helper.rb, line 11 def normalize_params(params) case params when Hash # Optimize for empty hash since that is often what this is called with. return params if params.empty? new_params = {} params.each do |key, value| new_params[truncate(normalize_params(key), 64)] = normalize_params(value) end new_params when Symbol, FalseClass, TrueClass, nil params when Numeric truncate(params.to_s) when String truncate(params) when Array params.first(DEFAULT_ARRAY_TRUNCATION_SIZE).map { |item| normalize_params(item) } else truncate(flatten(params)) end end
Transform parameter hash into a hash whose values are strictly strings
Private Instance Methods
Source
# File lib/new_relic/collection_helper.rb, line 38 def flatten(object) case object when nil then '' when object.instance_of?(String) then object when String then String.new(object) # convert string subclasses to strings else +"#<#{object.class}>" end end
Convert any kind of object to a short string.
Source
# File lib/new_relic/collection_helper.rb, line 47 def truncate(string, len = DEFAULT_TRUNCATION_SIZE) case string when Symbol then string when nil then EMPTY_STR when String real_string = flatten(string) if real_string.size > len real_string = real_string.slice(0...len) real_string << '...' end real_string else truncate(flatten(string), len) end end