Class: Dor::WorkflowDefinitionDs

Inherits:
ActiveFedora::OmDatastream
  • Object
show all
Includes:
SolrDocHelper
Defined in:
lib/dor/datastreams/workflow_definition_ds.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from SolrDocHelper

#add_solr_value

Class Method Details

.xml_templateObject


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 33

def self.xml_template
  Nokogiri::XML('<workflow-def/>')
end

Instance Method Details

#add_process(attributes) ⇒ Object


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 37

def add_process(attributes)
  add_child_node(ng_xml.at_xpath('/workflow-def'), :process, self, attributes)
end

#configurationObject


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 59

def configuration
  result = ActiveSupport::OrderedHash.new
  result['repository'] = repo
  result['name'] = name
  processes.each { |process| result[process.name] = process.to_hash }
  result
end

#configuration=(hash) ⇒ Object


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 67

def configuration=(hash)
  self.ng_xml = Nokogiri::XML(%{<workflow-def id="#{hash['name']}" repository="#{hash['repository']}"/>})
  i = 0
  hash.each_pair do |k,v| 
    if v.is_a?(Hash)
      add_process(v.merge({:name => k, :sequence => i+=1}))
    end
  end
end

#graph(parent = nil) ⇒ Object


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 41

def graph(parent = nil)
  Workflow::Graph.from_processes(self.repo, self.name, self.processes, parent)
end

#initial_workflowString

Creates the xml used by Dor::WorkflowService.create_workflow


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 79

def initial_workflow
  doc = Nokogiri::XML("<workflow/>")
  root = doc.root
  root['id'] = name
  processes.each { |proc|
    doc.create_element 'process' do |node|
      node['name'] = proc.name
      if(proc.status)
        node['status'] = proc.status
        node['attempts'] = '1'
      else
        node['status'] = 'waiting'
      end
      node['lifecycle'] = proc.lifecycle if proc.lifecycle
      root.add_child node
    end
  }
  Nokogiri::XML(doc.to_xml) { |x| x.noblanks }.to_xml { |config| config.no_declaration }
end

#nameObject


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 51

def name
  ng_xml.at_xpath('/workflow-def/@id').to_s
end

#processesObject


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 45

def processes
  ng_xml.xpath('/workflow-def/process').collect do |node|
    Workflow::Process.new(self.repo, self.name, node)
  end.sort { |a,b| (a.sequence || 0) <=> (b.sequence || 0) }
end

#repoObject


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 55

def repo
  ng_xml.at_xpath('/workflow-def/@repository').to_s
end

#to_solr(solr_doc = Hash.new, *args) ⇒ Object


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 99

def to_solr(solr_doc=Hash.new,*args)
  super(solr_doc,*args)
  add_solr_value(solr_doc, "workflow_name", self.name, :symbol, [:searchable])
  processes.each do |p|
    add_solr_value(solr_doc, "process", "#{p.name}|#{p.label}", :symbol, [:displayable])
  end
  solr_doc
end

#to_yamlObject


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# File 'lib/dor/datastreams/workflow_definition_ds.rb', line 108

def to_yaml
  YAML.dump(self.configuration)
end