Redland::NodeIterator

# 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