Class: Shellac::Storage_engine::Hash

Inherits:
Base
  • Object
show all
Defined in:
lib/shellac/storage_engine/hash.rb

Class Method Summary collapse

Methods inherited from Base

#[], #[]=, #_default_args, #delete, #get, #initialize, #keys, #length, #new_cache_control_thread, #set

Constructor Details

This class inherits a constructor from Shellac::Storage_engine::Base

Class Method Details

.parse_command_line(configuration, meta_configuration) ⇒ Object 



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# File 'lib/shellac/storage_engine/hash.rb', line 7

def self.parse_command_line(configuration, meta_configuration)
  call_list = Shellac::ConfigClass::TaskList.new

  meta_configuration[:helptext] << "\n--cache-trim-interval INTERVAL:\n  The wait time in seconds between sweeps of the cache to ensure it isn't too large.\n\n--max-cache-elements LENGTH:\n  The maximum number of elements to store in the cache.\n\n--max-cache-size SIZE:\n  The maximum size, in bytes, of the cache.\n\n"

  options = OptionParser.new do |opts|
    opts.on( '--cache-trim-interval INTERVAL' ) do |interval|
      call_list << Shellac::ConfigClass::Task.new(9000) do
        n = Integer( interval.to_i )
        configuration[:cache_trim_interval] = n
      end
    end

    opts.on( '--max-cache-elements LENGTH' ) do |len|
      call_list << Shellac::ConfigClass::Task.new(9000) do
        n = Integer( len.to_i )
        configuration[:cache_max_elements] = n
      end
    end

    opts.on( '--max-cache-size SIZE' ) do |size|
      call_list << Shellac::ConfigClass::Task.new(9000) do
        n = Integer( size.to_i )
        n = n > 0 ? n : 1024 * 1024 * 20
        configuration[:cache_max_size] = n
      end
    end
  end

  leftover_argv = []

  begin
    options.parse!(ARGV)
  rescue OptionParser::InvalidOption => e
    e.recover ARGV
    leftover_argv << ARGV.shift
    leftover_argv << ARGV.shift if ARGV.any? && ( ARGV.first[0..0] != '-' )
    retry
  end

  ARGV.replace( leftover_argv ) if leftover_argv.any?

  call_list
end