Class: Groonga::QueryLog::Analyzer

Inherits:
Object
  • Object
show all
Includes:
CommandLineUtils
Defined in:
lib/groonga/query-log/analyzer.rb,
lib/groonga/query-log/analyzer/reporter.rb,
lib/groonga/query-log/analyzer/streamer.rb,
lib/groonga/query-log/analyzer/statistic.rb,
lib/groonga/query-log/analyzer/reporter/html.rb,
lib/groonga/query-log/analyzer/reporter/json.rb,
lib/groonga/query-log/analyzer/reporter/console.rb,
lib/groonga/query-log/analyzer/sized-statistics.rb,
lib/groonga/query-log/analyzer/sized-grouped-operations.rb

Defined Under Namespace

Classes: ConsoleReporter, Error, HTMLReporter, JSONReporter, NoInputError, Reporter, SizedGroupedOperations, SizedStatistics, Statistic, Streamer, UnsupportedReporter

Instance Method Summary collapse

Methods included from CommandLineUtils

#log_via_stdin?, #stdin_with_pipe?, #stdin_with_redirect?

Constructor Details

#initialize ⇒ Analyzer

Returns a new instance of Analyzer.



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# File 'lib/groonga/query-log/analyzer.rb', line 41

def initialize
  setup_options
end

Instance Method Details

#run(*arguments) ⇒ Object

Executes analyzer for groonga’s query logs. “groonga-query-log-analyze” command run this method.

If only paths of query log files are specified, this method prints a result of them to console with coloring.

Examples:

analyzer = Groonga::QueryLog::Analyzer.new
analyzer.run("--output", "statistics.html",
             "--reporter", "html",
             "query.log")

Parameters:

  • arguments (Array<String>) —

    arguments for groonga-query-log-analyze. Please execute “groonga-query-log-analyze –help” or see #setup_options.



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# File 'lib/groonga/query-log/analyzer.rb', line 60

def run(*arguments)
  log_paths = @option_parser.parse!(arguments)

  stream = @options[:stream]
  dynamic_sort = @options[:dynamic_sort]
  statistics = SizedStatistics.new
  statistics.apply_options(@options)
  parser = Groonga::QueryLog::Parser.new
  if stream
    streamer = Streamer.new(create_reporter(statistics))
    streamer.start
    process_statistic = lambda do |statistic|
      streamer << statistic
    end
  elsif dynamic_sort
    process_statistic = lambda do |statistic|
      statistics << statistic
    end
  else
    full_statistics = []
    process_statistic = lambda do |statistic|
      full_statistics << statistic
    end
  end

  if log_paths.empty?
    unless log_via_stdin?
      raise(NoInputError, "Error: Please specify input log files.")
    end
    parser.parse(ARGF, &process_statistic)
  end

  log_paths.each do |log_path|
    File.open(log_path) do |log|
      parser.parse(log, &process_statistic)
    end
  end
  if stream
    streamer.finish
    return
  end
  statistics.replace(full_statistics) unless dynamic_sort

  reporter = create_reporter(statistics)
  reporter.apply_options(@options)
  reporter.report
end