Module: Nuri::Planner::Graph

Defined in:
lib/sfp/sfw2graph.rb

Constant Summary collapse

ActionColor = 
'white'
ActionLabelWithParameters = 
false

Class Method Summary collapse

Class Method Details

.clean(value) ⇒ Object 



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# File 'lib/sfp/sfw2graph.rb', line 12

def self.clean(value)
  return value[2, value.length-2] if value[0,2] == '$.'
  return value
end

.get_label(action, withparameters = true) ⇒ Object 



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# File 'lib/sfp/sfw2graph.rb', line 17

def self.get_label(action, withparameters=true)
  label = clean(action["name"])
  if withparameters and ActionLabelWithParameters
    label += "("
    if action["parameters"].length > 0
      action["parameters"].each { |key,value|
        label += "#{clean(key)}=#{clean(value.to_s)},"
      }
      label.chop!
    end
    label += ')'
  end
  return label
end

.partial2dot(json) ⇒ Object 



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# File 'lib/sfp/sfw2graph.rb', line 32

def self.partial2dot(json)
  dot = "digraph {\n"

  dot += "init_state [label=\"\", shape=doublecircle, fixedsize=true, width=0.35];\n"
  dot += "final_state [label=\"\", shape=doublecircle, style=filled, fillcolor=black, fixedsize=true, width=0.35];\n"
  last_actions = Hash.new
  json["workflow"].each { |action|
    dot += "#{action["id"]}[label=\"#{get_label(action)}\", shape=rect, style=filled, fillcolor=#{ActionColor}];\n"
    last_actions[action["id"].to_s] = action
  }

  json["workflow"].each { |action|
    has_predecessor = false
    action["predecessors"].each { |prevId|
      dot += "#{prevId} -> #{action["id"]};\n"
      has_predecessor = true
      last_actions.delete(prevId.to_s)
    }
    if not has_predecessor
      dot += "init_state -> #{action["id"]};\n"
    end
  }

  last_actions.each { |id,action|
    dot += "#{id} -> final_state;\n"
  }

  dot += "}"

  return dot
end

.sequential2dot(json) ⇒ Object 



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# File 'lib/sfp/sfw2graph.rb', line 99

def self.sequential2dot(json)
  dot = "digraph {\n"

  dot += "init_state [label=\"\", shape=doublecircle, fixedsize=true, width=0.35];\n"
  dot += "final_state [label=\"\", shape=doublecircle, style=filled, fillcolor=black, fixedsize=true, width=0.35];\n"
  id = 0
  json["workflow"].each { |action|
    dot += id.to_s + '[label="' + get_label(action) + '", shape=rect]' + ";\n"
    id += 1
  }

  id = 0
  prevActionId = nil
  json["workflow"].each { |action|
    if id == 0
      dot += "init_state -> " + id.to_s + ";\n"
    elsif id == json["workflow"].length-1
      dot += id.to_s + " -> final_state;\n"
    end
    if prevActionId != nil
      dot += prevActionId.to_s + " -> " + id.to_s + ";\n"
    end
    prevActionId = id
    id += 1
  }
  dot += "}"
  return dot
end

.stage2dot(json) ⇒ Object 



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# File 'lib/sfp/sfw2graph.rb', line 64

def self.stage2dot(json)
  dot = "digraph {\n"

  dot += "init_state [label=\"\", shape=doublecircle, fixedsize=true, width=0.35];\n"
  dot += "final_state [label=\"\", shape=doublecircle, style=filled, fillcolor=black, fixedsize=true, width=0.35];\n"
  index = 0
  prevState = "init_state"
  json["workflow"].each { |stage|
    id = 0
    stage.each { |action|
      dot += "a" + index.to_s + "a" + id.to_s + '[label="' + get_label(action) + '", shape=rect]' + ";\n"
      dot += prevState + " -> a" + index.to_s + "a" + id.to_s + ";\n"
      id += 1
    }
    if index < json["workflow"].length-1
      dot += "state" + index.to_s + ' [label="", shape=circle, fixedsize=true, width=0.35]' + ";\n"
      prevState = "state" + index.to_s
      id = 0
      stage.each { |action|
        dot += "a" + index.to_s + "a" + id.to_s + " -> " + prevState + ";\n"
        id += 1
      }
    else
      id = 0
      stage.each { |action|
        dot += "a" + index.to_s + "a" + id.to_s + " -> final_state;\n"
        id += 1
      }
    end
    index += 1
  }
  dot += "}"
  return dot
end