Class: RGen::Serializer::QualifiedNameProvider

Inherits:
Object
  • Object
show all
Defined in:
lib/rgen/serializer/qualified_name_provider.rb

Overview

simple identifier calculation based on qualified names. as a prerequisit, elements must have a local name stored in single attribute attribute_name. there may be classes without the name attribute though and there may be elements without a local name. in both cases the element will have the same qualified name as its container.

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ QualifiedNameProvider

Returns a new instance of QualifiedNameProvider.



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# File 'lib/rgen/serializer/qualified_name_provider.rb', line 12

def initialize(options={})
  @qualified_name_cache = {}
  @attribute_name = options[:attribute_name] || "name"
  @separator = options[:separator] || "/"
  @leading_separator = options.has_key?(:leading_separator) ? options[:leading_separator] : true 
end

Instance Method Details

#identifier(element) ⇒ Object 



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# File 'lib/rgen/serializer/qualified_name_provider.rb', line 19

def identifier(element)
  if element.is_a?(RGen::MetamodelBuilder::MMProxy) 
    element.targetIdentifier
  else
    qualified_name(element)
  end
end

#qualified_name(element) ⇒ Object 



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# File 'lib/rgen/serializer/qualified_name_provider.rb', line 27

def qualified_name(element)
  return @qualified_name_cache[element] if @qualified_name_cache[element]
  local_ident = ((element.respond_to?(@attribute_name) && element.getGeneric(@attribute_name)) || "").strip
  parent = element.eContainer
  if parent
    if local_ident.size > 0
      result = qualified_name(parent) + @separator + local_ident
    else
      result = qualified_name(parent)
    end
  else
    result = (@leading_separator ? @separator : "") + local_ident
  end
  @qualified_name_cache[element] = result
end