Class: SPNet::LinkState

Inherits:
Object
  • Object
show all
Includes:
Hashmake::HashMakeable
Defined in:
lib/spnet/storage/link_state.rb

Overview

Represent a Link object using only serializeable objects.

Author:

  • James Tunnell

Constant Summary collapse

ARG_SPECS =

Define arg specs to use in processing hashed arguments during #initialize.

{
  :from => arg_spec(:reqd => true, :type => PortLocater),
  :to => arg_spec(:reqd => true, :type => PortLocater)
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ LinkState

Returns a new instance of LinkState.



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# File 'lib/spnet/storage/link_state.rb', line 17

def initialize args
  hash_make args, ARG_SPECS
end

Instance Attribute Details

#from ⇒ Object (readonly)

Returns the value of attribute from.



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# File 'lib/spnet/storage/link_state.rb', line 15

def from
  @from
end

#to ⇒ Object (readonly)

Returns the value of attribute to.



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# File 'lib/spnet/storage/link_state.rb', line 15

def to
  @to
end

Instance Method Details

Make a Link objet from the current LinkState object.



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# File 'lib/spnet/storage/link_state.rb', line 22

def make_link blocks
  raise "from block #{@from.block_name} not found" unless blocks.has_key?(@from.block_name)
  raise "to block #{@to.block_name} not found" unless blocks.has_key?(@to.block_name)
  
  from_block = blocks[@from.block_name]
  to_block = blocks[@to.block_name]
  
  raise "from port #{@from.port_name} not found" unless from_block.out_ports.has_key?(@from.port_name)
  raise "to port #{@to.port_name} not found" unless to_block.in_ports.has_key?(@to.port_name)
  
  from_port = from_block.out_ports[@from.port_name]
  to_port = to_block.in_ports[@to.port_name]
  
  return Link.new(:from => from_port, :to => to_port)
end