Module: RCI::Commands

Defined in:
lib/rci/commands.rb

Defined Under Namespace

Classes: Command

Constant Summary collapse

COMMANDS_WITH_SUBCOMMANDS =

As of Redis 3.0 there isn’t any indication from the COMMAND return info as to which commands accept a subcommand so we’re tracking them here

%i{client cluster command debug script}.to_set.freeze

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.commands ⇒ Object (readonly)

Returns the value of attribute commands.



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# File 'lib/rci/commands.rb', line 6

def commands
  @commands
end

.read_command_names ⇒ Object (readonly)

Returns the value of attribute read_command_names.



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# File 'lib/rci/commands.rb', line 6

def read_command_names
  @read_command_names
end

.read_commands ⇒ Object (readonly)

Returns the value of attribute read_commands.



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# File 'lib/rci/commands.rb', line 6

def read_commands
  @read_commands
end

Class Method Details

.command_type(command_array) ⇒ Object 



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# File 'lib/rci/commands.rb', line 17

def self.command_type(command_array)
  @read_command_names.include?(command_array.first) ? :read : :write
end

.discover!(client) ⇒ Object 



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# File 'lib/rci/commands.rb', line 21

def self.discover!(client)
  return @commands if @commands
  @commands = client.command.map{ |command_description|
    command_name = command_description.shift.to_sym
    Command.new(command_name, *command_description)
  }
  @read_commands = @commands.select { |command| command.flags.include?('readonly') }
  @read_command_names = @read_commands.map(&:name).to_set
  @commands
end

.extract_command(command_array) ⇒ Object 



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# File 'lib/rci/commands.rb', line 32

def self.extract_command(command_array)
  command = command_array[0]
  info = {command: command}
  if COMMANDS_WITH_SUBCOMMANDS.include?(command)
    subcommand = command_array[1]
    info[:subcommand] = subcommand unless subcommand.nil?
  end
  info
end