Module: ADIWG::Mdtranslator::Readers::MdJson::ResourceLineage

Defined in:
lib/adiwg/mdtranslator/readers/mdJson/modules/module_lineage.rb

Class Method Summary collapse

Class Method Details

.unpack(hLineage, responseObj) ⇒ Object 



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# File 'lib/adiwg/mdtranslator/readers/mdJson/modules/module_lineage.rb', line 25

def self.unpack(hLineage, responseObj)

   @MessagePath = ADIWG::Mdtranslator::Readers::MdJson::MdJson

   # return nil object if input is empty
   if hLineage.empty?
      @MessagePath.issueWarning(500, responseObj)
      return nil
   end

   # instance classes needed in script
   intMetadataClass = InternalMetadata.new
   intLineage = intMetadataClass.newLineage

   outContext = 'resource lineage'
   haveLineage = false

   # lineage - statement
   if hLineage.has_key?('statement')
      unless hLineage['statement'] == ''
         intLineage[:statement] = hLineage['statement']
         haveLineage = true
      end
   end

   # lineage - resource scope
   if hLineage.has_key?('scope')
      hObject = hLineage['scope']
      unless hObject.empty?
         hReturn = Scope.unpack(hObject, responseObj, outContext)
         unless hReturn.nil?
            intLineage[:resourceScope] = hReturn
         end
      end
   end

   # lineage - citation []
   if hLineage.has_key?('citation')
      aCitation = hLineage['citation']
      aCitation.each do |item|
         hCitation = Citation.unpack(item, responseObj, outContext)
         unless hCitation.nil?
            intLineage[:lineageCitation] << hCitation
         end
      end
   end

   # lineage - sources []
   if hLineage.has_key?('source')
      aSource = hLineage['source']
      aSource.each do |item|
         hSource = Source.unpack(item, responseObj, outContext)
         unless hSource.nil?
            intLineage[:dataSources] << hSource
            haveLineage = true
         end
      end
   end

   # lineage - process steps []
   if hLineage.has_key?('processStep')
      aSteps = hLineage['processStep']
      aSteps.each do |item|
         hSteps = ProcessStep.unpack(item, responseObj, outContext)
         unless hSteps.nil?
            intLineage[:processSteps] << hSteps
            haveLineage = true
         end
      end
   end

   unless haveLineage
      @MessagePath.issueError(501, responseObj)
   end

   return intLineage
end