def subjects(predicate,target)
if predicate.class == Uri
predicate = Node.new(predicate)
end
if target.class == Uri or target.class == String
target = Node.new(target)
end
my_iterator = Redland.librdf_model_get_sources(self.model,predicate.node,target.node)
raise RedlandError.new("Unable to create iterator") if !my_iterator
iterator = NodeIterator.new(my_iterator,self,predicate,target)
if block_given?
while not iterator.end?
yield iterator.current
iterator.next
end
else
return get_node_array(iterator)
end
end