Class: Archimate::Export::GraphML

Inherits:
Object
  • Object
show all
Defined in:
lib/archimate/export/graph_ml.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model) ⇒ GraphML

Returns a new instance of GraphML.



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# File 'lib/archimate/export/graph_ml.rb', line 10

def initialize(model)
  @model = model
end

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/archimate/export/graph_ml.rb', line 8

def model
  @model
end

Instance Method Details

#data(xml, key, value) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 70

def data(xml, key, value)
  xml.data(key: key) { xml.text(value) unless value.nil? }
end

#data_type(xml, key, type) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 66

def data_type(xml, key, type)
  data(xml, key, type.nil? ? nil : type.sub("archimate:", ""))
end

#docs(xml, docs) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 83

def docs(xml, docs)
  docs.each do |doc|
    data(xml, "documentation", doc)
  end
end

#edge(xml, id, source, target, type, name = nil, docs = [], properties = []) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 121

def edge(xml, id, source, target, type, name = nil, docs = [], properties = [])
  xml.edge(id: id, source: source, target: target, label: type) do
    data_type(xml, "relationship-type", type)
    name(xml, name)
    docs(xml, docs)
  end
  properties(xml, id, properties)
end

#graph_attrs(xml, model) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 56

def graph_attrs(xml, model)
  name(xml, model.name)
  docs(xml, model.documentation)
  properties(xml, model.id, model.properties)
end

#layers(xml, layers) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 97

def layers(xml, layers)
  layers.each_with_index do |layer, i|
    node(xml, "layer-#{i}", layer, "Layer")
  end
end

#name(xml, name_str) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 62

def name(xml, name_str)
  data(xml, "name", name_str) unless name_str.nil?
end

#next_edge_id ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 51

def next_edge_id
  @edge_id += 1
  "edge-#{@edge_id}"
end

#next_prop_id ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 46

def next_prop_id
  @prop_id += 1
  "property-#{@prop_id}"
end

#node(xml, id, name, type, docs = [], properties = [], other_data = {}) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 109

def node(xml, id, name, type, docs = [], properties = [], other_data = {})
  xml.node(id: id, label: name, labels: "#{type}:#{name}") do
    data_type(xml, "element-type", type)
    name(xml, name)
    docs(xml, docs)
    other_data.each do |k, v|
      xml.data(key: k) { xml.text(v) }
    end
  end
  properties(xml, id, properties)
end

#nodes(xml, elements) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 89

def nodes(xml, elements)
  elements.each do |element|
    node(xml, element.id, element.name, element.type, element.documentation, element.properties)

    @layers[element.layer] << element.id
  end
end

#properties(xml, source_id, properties) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 74

def properties(xml, source_id, properties)
  properties.each do |property|
    # TODO: if we want to be slick here, keep a set of property values and point to that instead
    prop_id = next_prop_id
    node(xml, prop_id, property.key, "Property", "property-value" => property.value)
    edge(xml, next_edge_id, source_id, prop_id, "HasProperty", property.key)
  end
end

#relationships(xml, relationships) ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 103

def relationships(xml, relationships)
  relationships.each do |r|
    edge(xml, r.id, r.source, r.target, r.type, r.name, r.documentation, r.properties)
  end
end

#to_graphml ⇒ Object 



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# File 'lib/archimate/export/graph_ml.rb', line 14

def to_graphml
  @prop_id = 1
  @edge_id = 1
  @layers = Hash.new do |hash, key|
    hash[key] = [] unless hash.key?(key)
    hash[key]
  end
  builder = Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
    xml.graphml(
      "xmlns" => "http://graphml.graphdrawing.org/xmlns",
      "xmlns:xsi" => "http://www.w3.org/2001/XMLSchema-instance",
      "xsi:schemaLocation" => "http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd"
    ) do
      xml.key(id: "element-type", for: "node", "attr.name" => "type", "attr.type" => "string")
      xml.key(id: "relationship-type", for: "edge", "attr.name" => "type", "attr.type" => "string")
      xml.key(id: "name", for: "all", "attr.name" => "name", "attr.type" => "string")
      xml.key(id: "documentation", for: "all", "attr.name" => "documentation", "attr.type" => "string")
      xml.key(id: "property-value", for: "all", "attr.name" => "value", "attr.type" => "string")
      xml.graph(
        id: model.id,
        edgedefault: "directed"
      ) do
        graph_attrs(xml, model)
        nodes(xml, model.elements)
        layers(xml, @layers)
        relationships(xml, model.relationships)
      end
    end
  end
  builder.to_xml
end