Class: HybridPlatformsConductor::Topographer::Plugins::Graphviz

Inherits:
HybridPlatformsConductor::Topographer::Plugin show all
Defined in:
lib/hybrid_platforms_conductor/topographer/plugins/graphviz.rb

Overview

Output in Graphviz format

Direct Known Subclasses

Svg

Instance Method Summary collapse

Methods inherited from HybridPlatformsConductor::Topographer::Plugin

#initialize

Constructor Details

This class inherits a constructor from HybridPlatformsConductor::Topographer::Plugin

Instance Method Details

#write_graph(file_name) ⇒ Object

Output the nodes graph in a file

API

  • This method is mandatory.

Parameters

  • file_name (String): The file name for output



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# File 'lib/hybrid_platforms_conductor/topographer/plugins/graphviz.rb', line 15

def write_graph(file_name)
  # GraphViz format does not support that nodes belong to more than 1 cluster.
  @topographer.force_cluster_strict_hierarchy
  # Write a Graphviz file
  File.open(file_name, 'w') do |f|
    f.puts 'digraph unix {
      size="6,6";
      node [style=filled];'
    # First write the definition of all nodes
    # Find all nodes belonging to no cluster
    orphan_nodes = @topographer.nodes_graph.keys
    @topographer.nodes_graph.each do |node_name, node_info|
      orphan_nodes -= node_info[:includes]
    end
    orphan_nodes.sort.each do |node_name|
      write_node_def_gv(f, node_name)
    end
    # Then write all connections
    @topographer.nodes_graph.sort.each do |node_name, node_info|
      node_info[:connections].each do |connected_node_name, labels|
        link_label = labels.sort.join(', ')
        link_label = "#{link_label[0..@topographer.config[:max_link_label_length] - 1]}..." if link_label.size > @topographer.config[:max_link_label_length]
        link_options = {
          label: link_label
        }
        f.puts "  \"#{dot_name_for_link(node_name)}\" -> \"#{dot_name_for_link(connected_node_name)}\" [ #{link_options.map { |opt, val| "#{opt}=\"#{val}\"" }.join(' ') } ];"
      end
    end
    f.puts '}'
  end
end