Merge pull request #18 from Sage/feature_attribute_caching

Feature - Attribute Store

Author: chrisbarber86

benchmark/Gemfile

@@ -0,0 +1,2 @@
+source 'http://rubygems.org'
+gem 'class_kit'

benchmark/Gemfile.lock

@@ -0,0 +1,17 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    class_kit (0.6.0)
+      hash_kit
+      json
+    hash_kit (0.6.0)
+    json (2.1.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  class_kit
+
+BUNDLED WITH
+   1.16.1

benchmark/benchmark.rb

@@ -0,0 +1,36 @@
+require_relative '../lib/class_kit'
+require 'date'
+require 'benchmark'
+
+class Item
+  extend ClassKit
+
+  attr_accessor_type :text, type: String
+  attr_accessor_type :integer, type: Integer
+  attr_accessor_type :float, type: Float
+  attr_accessor_type :date, type: Date
+  attr_accessor_type :time, type: Time
+  attr_accessor_type :bool, type: :bool
+end
+
+items = []
+10_000.times do
+  items << Item.new.tap do |e|
+    e.text = 'foo bar'
+    e.integer = 50
+    e.float = 25.2
+    e.date = Date.today
+    e.time = Time.now
+    e.bool = true
+  end
+end
+
+helper = ClassKit::Helper.new
+
+json = ''
+
+puts '***serialize items***'
+puts Benchmark.measure { json = helper.to_json(items) }
+
+puts '***deserialize items***'
+puts Benchmark.measure { helper.from_json(json: json, klass: Item) }

lib/class_kit/attribute_helper.rb

@@ -5,12 +5,18 @@ def self.instance
       @instance ||= ClassKit::AttributeHelper.new
     end
 
+    def initialize
+      @attribute_store = {}
+    end
+
     # Get attributes for a given class
     #
     # @param klass [ClassKit] a class that has been extended with ClassKit
     #
     # @return [Hash]
     def get_attributes(klass)
+      return @attribute_store[klass] if @attribute_store.key?(klass)
+
       attributes = []
       klass.ancestors.map do |k|
         hash = k.instance_variable_get(:@class_kit_attributes)
@@ -20,7 +26,10 @@ def get_attributes(klass)
           end
         end
       end
-      attributes.compact
+      attributes.compact!
+
+      @attribute_store[klass] = attributes
+      attributes
     end
 
     # Get attribute for a given class and name

lib/class_kit/helper.rb

@@ -53,6 +53,8 @@ def to_hash(object, use_alias = false)
     def from_hash(hash:, klass:, use_alias: false)
       validate_class_kit(klass)
 
+      return hash.map { |i| from_hash(hash: i, klass: klass, use_alias: use_alias) } if hash.is_a?(Array)
+
       @hash_helper.indifferent!(hash)
       entity = klass.new
       attributes = @attribute_helper.get_attributes(klass)

lib/class_kit/version.rb

@@ -1,5 +1,5 @@
 # Namespace
 module ClassKit
   # :nodoc:
-  VERSION = "0.6.0"
+  VERSION = '0.7.0'
 end