class Celluloid::Call

Calls represent requests to an actor

Attributes

arguments[R]
block[R]
method[R]

Public Class Methods

new(method, arguments = [], block = nil) click to toggle source
# File lib/celluloid/calls.rb, line 6
def initialize(method, arguments = [], block = nil)
  @retry = 0
  @method = method
  @arguments = arguments
  if block
    if Celluloid.exclusive?
      # FIXME: nicer exception
      fail "Cannot execute blocks on sender in exclusive mode"
    end
    @block = Proxy::Block.new(Celluloid.mailbox, self, block)
  else
    @block = nil
  end
end

Public Instance Methods

check(obj) click to toggle source
# File lib/celluloid/calls.rb, line 37
def check(obj)
  # NOTE: don't use respond_to? here
  begin
    meth = obj.method(@method)
  rescue NameError
    raise NoMethodError, "undefined method `#{@method}' for #<#{obj.class}:0x#{obj.object_id.to_s(16)}>"
  end

  arity = meth.arity

  if arity >= 0
    fail ArgumentError, "wrong number of arguments (#{@arguments.size} for #{arity})" if @arguments.size != arity
  elsif arity < -1
    mandatory_args = -arity - 1
    fail ArgumentError, "wrong number of arguments (#{@arguments.size} for #{mandatory_args}+)" if arguments.size < mandatory_args
  end
rescue => ex
  raise AbortError.new(ex)
end
dispatch(obj) click to toggle source
# File lib/celluloid/calls.rb, line 25
def dispatch(obj)
  check(obj)
  _b = @block && @block.to_proc
  obj.public_send(@method, *@arguments, &_b)
  #     rescue Celluloid::TaskTimeout => ex
  #       raise ex unless ( @retry += 1 ) <= RETRY_CALL_LIMIT
  #       puts "retrying"
  #       Internals::Logger.warn("TaskTimeout at Call dispatch. Retrying in #{RETRY_CALL_WAIT} seconds. ( Attempt #{@retry} of #{RETRY_CALL_LIMIT} )")
  #       sleep RETRY_CALL_WAIT
  #       retry
end
execute_block_on_receiver() click to toggle source
# File lib/celluloid/calls.rb, line 21
def execute_block_on_receiver
  @block && @block.execution = :receiver
end