# File rdf/redland/stream.rb, line 114
    def NodeIterator.create_finalizer(iterator)
      proc {|id| "Finalizer on #{id}"
        #puts "closing iterator"
        Redland::librdf_free_iterator(iterator)
      }
    end

# File rdf/redland/stream.rb, line 82
    def initialize(object,model=nil,creator2=nil,creator3=nil)
      @iterator = object
      @model = model
      @creator2 = creator2
      @creator3 = creator3
      
      # Test if the iterator has finished
      def end?()
        return (Redland.librdf_iterator_end(@iterator) != 0)
      end

      # Get the current object from the iterator
      def current
        my_node = Redland.librdf_iterator_get_object(@iterator)
        if my_node == "NULL" or my_node == nil
          return nil
        elsif is_literal?(my_node)
          return Literal.from_node(my_node)
        else
          return Resource.new(my_node,@model)
        end
      end

      # Move to the next iterator element
      def next()
        my_node=Redland.librdf_iterator_next(@iterator)
      end

      ObjectSpace.define_finalizer(self,NodeIterator.create_finalizer(@iterator))
    end

# File rdf/redland/stream.rb, line 94
      def current
        my_node = Redland.librdf_iterator_get_object(@iterator)
        if my_node == "NULL" or my_node == nil
          return nil
        elsif is_literal?(my_node)
          return Literal.from_node(my_node)
        else
          return Resource.new(my_node,@model)
        end
      end

# File rdf/redland/stream.rb, line 89
      def end?()
        return (Redland.librdf_iterator_end(@iterator) != 0)
      end

# File rdf/redland/stream.rb, line 106
      def next()
        my_node=Redland.librdf_iterator_next(@iterator)
      end