def get_by_epr epr
    options = Openwsman::ClientOptions.new
    options.set_dump_request if Wbem.debug
#    puts "***\t@client.get_by_epr #{epr.GroupComponent}\n"
    doc = @client.get_from_epr( options, epr )
    unless doc
      raise RuntimeError.new "Identify failed: HTTP #{@client.response_code}, Err #{@client.last_error}:#{@client.fault_string}"
    end
    puts doc.to_xml if Wbem.debug
    if doc.fault?
      raise Openwsman::Fault.new(doc).to_s
    end
    klass = factory.class_for epr.classname
    klass.new self, epr, doc
  end
def get_by_epr epr
    options = Openwsman::ClientOptions.new
    options.set_dump_request if Wbem.debug
#    puts "***\t@client.get_by_epr #{epr.GroupComponent}\n"
    doc = @client.get_from_epr( options, epr )
    unless doc
      raise RuntimeError.new "Identify failed: HTTP #{@client.response_code}, Err #{@client.last_error}:#{@client.fault_string}"
    end
    puts doc.to_xml if Wbem.debug
    if doc.fault?
      raise Openwsman::Fault.new(doc).to_s
    end
    klass = factory.class_for epr.classname
    klass.new self, epr, doc
  end
Get Wbem::Instance by EndPointReference