[STORE] Added, that HashWrapper, a sub-class of Hashie::Mash is used

To prevent Hashie warnings, use the class introduced in 5732fa3
for wrapping Hashes, instead of Hashie::Mash directly.

Related: #666

Author: karmi

elasticsearch-persistence/lib/elasticsearch/persistence.rb

@@ -1,7 +1,10 @@
+require 'hashie/mash'
+
 require 'elasticsearch'
+
+require 'elasticsearch/model/hash_wrapper'
 require 'elasticsearch/model/indexing'
 require 'elasticsearch/model/searching'
-require 'hashie'
 
 require 'active_support/inflector'
 

elasticsearch-persistence/lib/elasticsearch/persistence/model.rb

@@ -113,7 +113,7 @@ def deserialize(document)
               # Store the "hit" information (highlighting, score, ...)
               #
               object.instance_variable_set :@hit,
-                 Hashie::Mash.new(document.except('_index', '_type', '_id', '_version', '_source'))
+                 Elasticsearch::Model::HashWrapper.new(document.except('_index', '_type', '_id', '_version', '_source'))
 
               object.instance_variable_set(:@persisted, true)
               object

elasticsearch-persistence/lib/elasticsearch/persistence/repository/response/results.rb

@@ -18,7 +18,7 @@ class Results
           #
           def initialize(repository, response, options={})
             @repository = repository
-            @response   = Hashie::Mash.new(response)
+            @response   = Elasticsearch::Model::HashWrapper.new(response)
             @options    = options
           end
 
@@ -78,7 +78,7 @@ def results
           #     results.response.aggregations.titles.buckets.map { |term| "#{term['key']}: #{term['doc_count']}" }
           #     # => ["brown: 1", "dog: 1", ...]
           #
-          # @return [Hashie::Mash]
+          # @return [Elasticsearch::Model::HashWrapper]
           #
           def response
             @response

elasticsearch-persistence/test/unit/repository_response_results_test.rb

@@ -41,7 +41,7 @@ class MyDocument; end
       assert_equal 5, subject.response['_shards']['total']
     end
 
-    should "wrap the response in Hashie::Mash" do
+    should "wrap the response in HashWrapper" do
       assert_equal 5, subject.response._shards.total
     end