Class: Insight::ActiveRecordPanel

Inherits:
Panel
  • Object
show all
Defined in:
lib/insight/panels/active_record_panel.rb

Instance Attribute Summary

Attributes inherited from Panel

#request

Instance Method Summary collapse

Methods inherited from Panel

#after, #before, #call, current_panel_file, excluded, file_index, from_file, #has_content?, inherited, #panel_app, panel_exclusion, panel_mappings, #render

Methods included from Instrumentation::Client

#before_detect, #probe

Methods included from Logging

logger

Methods included from Database::RequestDataClient

#key_sql_template, #retrieve, #store, #table_length, #table_setup

Methods included from Render

#compile, #compile!, #compiled_source, #method_name, #method_name_without_locals, #render_template, #signed_params

Constructor Details

#initialize(app) ⇒ ActiveRecordPanel

Returns a new instance of ActiveRecordPanel.



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# File 'lib/insight/panels/active_record_panel.rb', line 3

def initialize(app)
  super

  table_setup("active_record")

  probe(self) do
    instrument "ActiveRecord::Base" do
      class_probe :allocate
    end
  end
end

Instance Method Details

#after_detect(method_call, timing, results, args) ⇒ Object 



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# File 'lib/insight/panels/active_record_panel.rb', line 19

def after_detect(method_call, timing, results, args)
  @records[method_call.object.base_class.name] += 1
end

#content_for_request(number) ⇒ Object 



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# File 'lib/insight/panels/active_record_panel.rb', line 39

def content_for_request(number)
  records = retreive(number).first.to_a.sort_by { |key, value| value }.reverse
  render_template "panels/active_record", :records => records
end

#heading_for_request(number) ⇒ Object 



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# File 'lib/insight/panels/active_record_panel.rb', line 31

def heading_for_request(number)
  record = retrieve(number).first
  total = record.inject(0) do |memo, (key, value)|
    memo + value
  end
  "#{total} AR Objects"
end

#name ⇒ Object 



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# File 'lib/insight/panels/active_record_panel.rb', line 27

def name
  "active_record"
end

#request_finish(env, status, headers, body, timing) ⇒ Object 



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# File 'lib/insight/panels/active_record_panel.rb', line 23

def request_finish(env, status, headers, body, timing)
  store(env, @records)
end

#request_start(env, start) ⇒ Object 



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# File 'lib/insight/panels/active_record_panel.rb', line 15

def request_start(env, start)
  @records = Hash.new{ 0 }
end