Class: Dramatis::Runtime::Task

Inherits:
Object
  • Object
show all
Defined in:
lib/dramatis/runtime/task.rb

Overview

:nodoc: all

Defined Under Namespace

Modules: Continuation

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(actor, dest, args, options) ⇒ Task

Returns a new instance of Task.



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# File 'lib/dramatis/runtime/task.rb', line 26

def initialize actor, dest, args, options
  @actor = actor
  @dest = dest
  @args = args.dup

  @call_thread = nil

  name = Dramatis::Runtime::Scheduler.actor
  actor = name.instance_eval { @actor }

  object_id = actor.object.object_id

  @args.each_with_index do |arg,i|
    if arg.object_id == object_id
      @args[i] = name
    end
  end

  if actor.call_threading?
    # warn "oct #{options[:call_thread]} act #{actor.call_thread}"
    raise "hell" if options[:call_thread] and
                     actor.call_thread and
                     options[:call_thread] != actor.call_thread
    @call_thread = actor.call_thread
    if @call_thread == nil
      @call_thread = self.to_s
    end
  end

  # warn "task #{self} #{args[0]} call thread [ #{@call_thread} ] #{options.to_a.join(' ')}"

  case options[:continuation]
  when :none
    @continuation = Continuation::None.new name, @call_thread
  when :rpc
    @continuation = Continuation::RPC.new name,
                                            @call_thread,
                                            options[:nonblocking]
  when :future
    @continuation = Continuation::Future.new name, @call_thread
  when Proc
    @continuation = Continuation::Proc.new name,  @call_thread, options[:continuation],
                                                                  options[:exception]
  else
    raise Dramatis::Internal.new( "invalid contiunation type" )
  end
end

Instance Attribute Details

#actor ⇒ Object (readonly)

Returns the value of attribute actor.



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# File 'lib/dramatis/runtime/task.rb', line 10

def actor
  @actor
end

#call_thread ⇒ Object (readonly)

Returns the value of attribute call_thread.



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# File 'lib/dramatis/runtime/task.rb', line 24

def call_thread
  @call_thread
end

Instance Method Details

#arguments ⇒ Object 



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# File 'lib/dramatis/runtime/task.rb', line 20

def arguments
  @args[1,@args.length]
end

#deliver ⇒ Object 



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# File 'lib/dramatis/runtime/task.rb', line 82

def deliver
  @actor.deliver @dest, @args, @continuation, @call_thread
end

#exception(e) ⇒ Object 



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# File 'lib/dramatis/runtime/task.rb', line 74

def exception e
  @continuation.exception e
end

#method ⇒ Object 



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# File 'lib/dramatis/runtime/task.rb', line 16

def method
  @args[0]
end

#queued ⇒ Object 



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# File 'lib/dramatis/runtime/task.rb', line 78

def queued
  @continuation.queued
end

#type ⇒ Object 



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# File 'lib/dramatis/runtime/task.rb', line 12

def type
  @dest
end