Class: QaServer::PerformanceCache

Inherits:
Object
  • Object
show all
Defined in:
app/models/qa_server/performance_cache.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PerformanceCache 



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# File 'app/models/qa_server/performance_cache.rb', line 5

def initialize
  @cache = {}
end

Instance Method Details

#destroy(id) ⇒ Object 



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# File 'app/models/qa_server/performance_cache.rb', line 24

def destroy(id)
  @cache.delete(id)
end

#log(id:) ⇒ Object 



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# File 'app/models/qa_server/performance_cache.rb', line 43

def log(id:)
  Rails.logger.info("*** performance data for id: #{id} ***")
  Rails.logger.info(@cache[id].to_yaml)
end

#new_entry(authority:, action:) ⇒ Object 



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# File 'app/models/qa_server/performance_cache.rb', line 9

def new_entry(authority:, action:)
  entry = { dt_stamp: QaServer.current_time,
            authority: authority,
            action: action }
  id = SecureRandom.uuid
  @cache[id] = entry
  id
end

#update(id:, updates: {}) ⇒ Object 



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# File 'app/models/qa_server/performance_cache.rb', line 18

def update(id:, updates: {})
  return false unless id && @cache.key?(id)
  entry = @cache[id]
  @cache[id] = entry.merge(updates)
end

#write_all ⇒ Object 



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# File 'app/models/qa_server/performance_cache.rb', line 28

def write_all
  size_before = @cache.size
  @cache.each do |id, entry|
    next if incomplete? entry
    QaServer::PerformanceHistory.create(dt_stamp: entry[:dt_stamp], authority: entry[:authority],
                                        action: entry[:action], action_time_ms: entry[:action_time_ms],
                                        size_bytes: entry[:size_bytes], retrieve_time_ms: entry[:retrieve_time_ms],
                                        graph_load_time_ms: entry[:graph_load_time_ms],
                                        normalization_time_ms: entry[:normalization_time_ms])
    @cache.delete(id)
  end
  Rails.logger.warn("0 of #{size_before} performance data records were saved") if size_before.positive? && (size_before == @cache.size)
  Rails.logger.info("#{size_before - @cache.size} of #{size_before} performance data records were saved") if size_before.positive? && (size_before > @cache.size)
end