Module: OMF::SFA::Resource::Base::InstanceMethods

Included in:
AbstractService, CompGroup, DiskImage, GroupComponent, Ip, OComponent, OLease, SliverType
Defined in:
lib/omf-sfa/resource/sfa_base.rb

Overview

ClassMethods

Instance Method Summary collapse

Instance Method Details

#_to_sfa_property_hash(value, pdef, href2obj, opts) ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 438

def _to_sfa_property_hash(value, pdef, href2obj, opts)
  if !value.kind_of?(String) && value.kind_of?(Enumerable)
    value.collect do |o|
      if o.respond_to? :to_sfa_hash
        o.to_sfa_hash_short(opts)
      else
        o.to_s
      end
    end
  else
    value.to_s
  end
end

#_to_sfa_property_xml(pname, value, res_el, pdef, obj2id, opts) ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 527

def _to_sfa_property_xml(pname, value, res_el, pdef, obj2id, opts)
  pname = self.class._sfa_add_ns(pname, pdef)
  if value.respond_to?(:to_sfa_xml)
    value.to_sfa_xml(res_el, obj2id, opts)
    return
  end

  if pdef[:attribute]
    res_el.set_attribute(pname, value.to_s)
  elsif aname = pdef[:attr_value]
    el = res_el.add_child(Nokogiri::XML::Element.new(pname, res_el.document))
    el.set_attribute(aname, value.to_s)
  else
    if pdef[:inline] == true
      cel = res_el
    else
      cel = res_el.add_child(Nokogiri::XML::Element.new(pname, res_el.document))
    end
    #puts ">>> _to_sfa_property_xml(#{pname}): class: #{value.class} string? #{value.kind_of?(String)} enumerable: #{value.kind_of?(Enumerable)} "
    if !value.kind_of?(String) && (value.kind_of?(Enumerable) || value.is_a?(OMF::SFA::Resource::OPropertyArray))
      value.each do |v|
        if v.respond_to?(:to_sfa_xml)
          v.to_sfa_xml(cel, obj2id, opts)
        else
          el = cel.add_child(Nokogiri::XML::Element.new(pname, cel.document))
          #puts (el.methods - Object.new.methods).sort.inspect
          el.content = v.to_s
          #el.set_attribute('type', (pdef[:type] || 'string').to_s)
        end
      end
    else
      cel.content = value.to_s
      #cel.set_attribute('type', (pdef[:type] || 'string').to_s)
    end
  end
end

#_to_sfa_xml(parent, obj2id, opts) ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 464

def _to_sfa_xml(parent, obj2id, opts)
  new_element = parent.add_child(Nokogiri::XML::Element.new(_xml_name(), parent.document))
  if parent.document == parent
    # first time around, add namespace
    self.class.sfa_add_namespaces_to_document(parent)
  end
  defs = self.class.sfa_defs()
  if (!(opts[:suppress_id] || self.class.sfa_suppress_id?) && id = obj2id[self])
    new_element.set_attribute('idref', id)
    return parent
  end

  id = sfa_id()
  obj2id[self] = id
  unless opts[:suppress_id] || self.class.sfa_suppress_id?
    new_element.set_attribute('id', id) #if detail_level > 0
  end

  unless opts[:suppress_uuid] || self.class.sfa_suppress_uuid?
    new_element.set_attribute('omf:uuid', self.uuid) #if detail_level > 0
  end

  #if href = self.href(opts)
  #  new_element.set_attribute('omf:href', href)
  #end
  level = opts[:level] ? opts[:level] : 0
  opts[:level] = level + 1
  sfa_type = opts[:type]
  is_request = sfa_type == :request
  defs.keys.sort.each do |key|
    next if key.start_with?('_')
    pdef = defs[key]
    #puts ">>>> PDEF(#{key}): #{pdef}"
    if (ilevel = pdef[:include_level])
      #next if level > ilevel
    end
    next if is_request && pdef[:in_request] == false

    if respond_to?(m = "_to_sfa_xml_#{key}".to_sym)
      send(m, new_element, pdef, obj2id, opts)
      next
    end
    pname = (pdef[:prop_name] || key).to_sym
    #puts ">>>> #{pname} <#{self}> #{pdef.inspect}"
    next unless respond_to? pname
    value = send(pname)
    #puts "#{key} <#{value} - #{value.class}> #{pdef.inspect}"
    if value.nil?
      value = pdef[:default]
    end
    unless value.nil?
      #if detail_level > 0 || k == 'component_name'
      if value.is_a?(Time)
        value = value.xmlschema # xs:dateTime
      end
      _to_sfa_property_xml(key, value, new_element, pdef, obj2id, opts)
      #end
    end
  end
  opts[:level] = level # restore original level
  new_element
end

#_xml_name ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 371

def _xml_name()
  if pd = self.sfa_class
    return pd
  end
  self.class.name.gsub('::', '_')
end

#component_id ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 320

def component_id
  unless id = attribute_get(:component_id)
    #self.component_id ||= GURN.create(self.uuid.to_s, self)
    #return GURN.create(self.uuid.to_s, { :model => self.class })
    return GURN.create(self.urn, { :model => self.class })
  end
  id
end

#component_manager_id ⇒ Object

end



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 333

def component_manager_id
  unless uuid = attribute_get(:component_manager_id)
    return (self.class.default_component_manager_id ||= GURN.create("authority+am"))
  end
  uuid
end

#default_domain ⇒ Object

end



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 344

def default_domain
  self.class.default_domain()
end

#from_sfa(resource_el, context = {}, type = 'manifest') ⇒ Object

Parameters:

  • context (defaults to: {}) —

    Already defined resources in this context



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 567

def from_sfa(resource_el, context = {}, type = 'manifest')
  els = {} # this doesn't work with generic namespaces
  resource_el.children.each do |el|
    next unless el.is_a? Nokogiri::XML::Element
    unless ns = el.namespace
      raise "Missing namespace declaration for '#{el}'"
    end
    name = el.name
    unless ns.href == SFA_NAMESPACE_URI
      unless prefix = self.class._sfa_prefix_for_namespace(ns.href)
        warn "#{resource_el.name}: Ignoring unknown element '#{el.name}' - NS: '#{ns.href}'"
        next
      end
      name = "#{prefix}__#{name}"
    end
    (els[el.name] ||= []) << el
  end

  #puts ">>>>> #{self} - #{self.class.sfa_defs.keys}"
  self.class.sfa_defs.each do |name, props|
    mname = "_from_sfa_#{name}_property_xml".to_sym
    #puts "#{self}; Checking for #{mname} - #{props[:attribute]} - #{self.respond_to?(mname)}"
    if self.respond_to?(mname)
      send(mname, resource_el, props, context)
    elsif props[:attribute] == true
      #puts "Checking '#{name}'"
      next if name.to_s == 'component_name' # skip that one for the moment
      if v = resource_el.attributes[props[:attribute_name] || name]
        #puts "#{name}::#{name.class} = #{v}--#{v.class} (#{props})"
        name = props[:prop_name] || name
        send("#{name}=".to_sym, v.value)
      end
    elsif arr = els[name.to_s]
      #puts "Handling #{name} -- #{props}"
      name = props[:prop_name] || name
      arr.each do |el|
        #puts "#{self}: #{name} = #{el.text}"
        send("#{name}=".to_sym, el.text)
      end
    # else
      # puts "Don't know how to handle '#{name}' (#{props})"
    end
  end
  unless self.save
    raise "Couldn't save resource '#{self}'"
  end
  return self
end

#resource_type ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 316

def resource_type
  sfa_class
end

#sfa_class ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 358

def sfa_class()
  self.class.sfa_class()
end

#sfa_id ⇒ Object

end



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 353

def sfa_id()
  #@sfa_id ||= "c#{object_id}"
  self.uuid.to_s
end

#sfa_property(name) ⇒ Object

end



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 367

def sfa_property(name)
  instance_variable_get("sfa_#{name}")
end

#to_sfa_hash(href2obj = {}, opts = {}) ⇒ Object

Return all SFA related properties as a hash

opts

:detail - detail to reveal about resource 0..min, 99 .. max



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 392

def to_sfa_hash(href2obj = {}, opts = {})
  res = to_sfa_hash_short(opts)
  res['comp_gurn'] = self.urn
  href = res['href']
  if obj = href2obj[href]
    # have described myself before
    raise "Different object with same href '#{href}'" unless obj == self
    return res
  end
  href2obj[href] = self

  defs = self.class.sfa_defs()
  #puts ">> #{defs.inspect}"
  defs.keys.sort.each do |k|
    next if k.start_with?('_')
    pdef = defs[k]
    pname = pdef[:prop_name] ||k
    v = send(pname.to_sym)
    if v.nil?
      v = pdef[:default]
    end
    #puts "!#{k} => '#{v}' - #{self}"
    unless v.nil?
      m = "_to_sfa_#{k}_property_hash".to_sym
      if self.respond_to? m
        res[k] = send(m, v, pdef, href2obj, opts)
        #puts ">>>> #{k}::#{res[k]}"
      else
        res[k] = _to_sfa_property_hash(v, pdef, href2obj, opts)
      end
    end
  end
  res
end

#to_sfa_hash_short(opts = {}) ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 427

def to_sfa_hash_short(opts = {})
  uuid = self.uuid.to_s
  href_prefix = opts[:href_prefix] ||= default_href_prefix
  {
    'name' => self.name,
    'uuid' => uuid,
    'sfa_class' => sfa_class(),
    'href' => "#{href_prefix}/#{uuid}"
  }
end

#to_sfa_short_xml(parent) ⇒ Object 



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 378

def to_sfa_short_xml(parent)
  n = parent.add_child(Nokogiri::XML::Element.new('resource', parent.document))
  n.set_attribute('type', _xml_name())
  n.set_attribute('status', 'unimplemented')
  n.set_attribute('name', component_name())
  n
end

#to_sfa_xml(parent = nil, obj2id = {}, opts = {}) ⇒ Object

opts

:detail - detail to reveal about resource 0..min, 99 .. max



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# File 'lib/omf-sfa/resource/sfa_base.rb', line 456

def to_sfa_xml(parent = nil, obj2id = {}, opts = {})
  if parent.nil?
    parent = Nokogiri::XML::Document.new
  end
  _to_sfa_xml(parent, obj2id, opts)
  parent
end