Class: Flor::Pro::Graft

Inherits:
Flor::Procedure show all
Defined in:
lib/flor/punit/graft.rb

Constant Summary

Constants inherited from Flor::Procedure

Flor::Procedure::RVARS, Flor::Procedure::TRUE_ATTS

Instance Attribute Summary

Attributes inherited from Node

#message

Instance Method Summary collapse

Methods inherited from Flor::Procedure

[], core?, #debug_msg, #debug_tree, #end, #flank, #heap, inherited, make, names, #prepare_on_receive_last, #trigger_on_error

Methods inherited from Node

#child_id, #cnodes, #cnodes_any?, #cnodes_empty?, #deref, #descendant_of?, #domain, #exid, #fei, #from, #h, #initialize, #lookup_tree, #lookup_value, #message_or_node_payload, #nid, #node_closed?, #node_ended?, #node_open?, #node_payload, #node_payload_ret, #node_status, #node_status_flavour, #on_error_parent, #parent, #payload, #payload_ret, #point, #reheap, #to_procedure_node, #tree

Constructor Details

This class inherits a constructor from Flor::Node

Instance Method Details

#pre_execute ⇒ Object 



45
46
47
48
49
 
# File 'lib/flor/punit/graft.rb', line 45

def pre_execute

  @node['execute_message'] = Flor.dup(@message)
  @node['atts'] = []
end

#receive_last ⇒ Object 



51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/flor/punit/graft.rb', line 51

def receive_last

  # look up subtree

  sub =
    att('tree', 'subtree', 'flow', 'subflow', 'twig', nil)
  source_path, source =
    @executor.unit.loader.library(domain, sub, subflows: true)

  fail Flor::FlorError.new(
    "no subtree #{sub.inspect} found (domain #{domain.inspect})", self
  ) unless source

  tree = Flor.parse(source, source_path, {})

  # graft subtree into parent node

  if parent_tree = lookup_tree(parent)
    parent_tree[1][child_id] = tree
  end

  # re-apply self with subtree

  m = @node['execute_message']
  m['tree'] = tree

  [ m ]
end