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Description: simple identity map for active record. eager loading associations FTL
Clone URL: git://github.com/technoweenie/active_record_context.git
Click here to lend your support to: active_record_context and make a donation at www.pledgie.com ! 
add #cached method as a shortcut for getting cached records for a model

git-svn-id: 
http://svn.techno-weenie.net/projects/plugins/active_record_context@2836 
567b1171-46fb-0310-a4c9-b4bef9110e78
technoweenie (author)
Sat Apr 07 16:25:15 -0700 2007
commit  a50087b83300a43f9ce15d91cf02dd85d5bf9a7e
tree    ade68c521822068eddb232719b23828fd693b105
parent  dd59f8aa8ca5573285624e85641d938f7dfdc287
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lib/technoweenie/active_record_context.rb 
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@@ -17,19 +17,19 @@ module Technoweenie
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     end
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     def find_one_with_context(id, options)
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-      cached = options[:conditions].nil? && find_in_context(id)
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-      logger.debug "[Context] Found #{name} ##{id}}" if log_context_activity && cached
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-      cached ? cached : find_one_without_context(id, options)
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+      record = options[:conditions].nil? && cached[id.to_i]
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+      logger.debug("[Context] #{record ? :Found : :Missed} #{name} ##{id}") if log_context_activity
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+      record ? record : find_one_without_context(id, options)
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     end
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-    def find_in_context(id)
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-      context_cache && context_cache[self] && context_cache[self][id.to_i]
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+    def cached
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+      context_cache ? (context_cache[self] ||= {}) : {}
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     end
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     def store_in_context(records)
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       return if context_cache.nil?
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       logger.debug "[Context] Storing #{name} records: #{records.collect(&:id).to_sentence}" if log_context_activity
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-      records.inject(context_cache[self] ||= {}) do |memo, record| 
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+      records.inject(cached) do |memo, record| 
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         memo.update record.id => record
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       end
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     end

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