module Pione::Agent::StateTransitionSingletonMethod

StateTransitionSingleMethod provides state transition singleton methods.

Public Instance Methods

chain(data) click to toggle source

Define a transition chain.

# File lib/pione/agent/basic-agent.rb, line 38
def chain(data)
  data.each do |k, v|
    raise ArgumentError.new(k) if not(@transitions.include?(k))
    if not(v.is_a?(Proc))
      (v.is_a?(Array) ? v : [v]).each do |_v|
        raise ArgumentError.new(_v) if not(@transitions.include?(_v))
      end
    end
  end
  transition_chain.merge!(data)
end
define_exception_handler(data) click to toggle source

Define a transition for handling exceptions.

# File lib/pione/agent/basic-agent.rb, line 56
def define_exception_handler(data)
  exception_handler.merge!(data)
end
define_transition(name) click to toggle source

Defines a new transition.

# File lib/pione/agent/basic-agent.rb, line 20
def define_transition(name)
  @transitions ||= []
  unless @transitions.include?(name)
    @transitions << name

    # define empty transition method
    unless method_defined?("transit_to_#{name}")
      define_method("transit_to_#{name}") {}
    end
  end
end
exception_handler() click to toggle source

Return exception handler table.

# File lib/pione/agent/basic-agent.rb, line 51
def exception_handler
  @exception_handler ||= {}
end
start(*args, &b) click to toggle source

Creates an agent and starts it.

# File lib/pione/agent/basic-agent.rb, line 61
def start(*args, &b)
  agent = new(*args, &b)
  return agent.start
end
transition_chain() click to toggle source

Returns transition chain table.

# File lib/pione/agent/basic-agent.rb, line 33
def transition_chain
  @transition_chain ||= {nil => :init}
end