From 585a0185af082bc3999375bfcd78677f4dc25059 Mon Sep 17 00:00:00 2001
From: Christoph Helma <helma@in-silico.ch>
Date: Thu, 15 Mar 2012 13:13:44 +0100
Subject: metadata reload fixed

---
 lib/opentox.rb | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'lib/opentox.rb')

diff --git a/lib/opentox.rb b/lib/opentox.rb
index 9493362..4338302 100644
--- a/lib/opentox.rb
+++ b/lib/opentox.rb
@@ -27,8 +27,9 @@ module OpenTox
 
   # Get object metadata 
   # @return [Hash] Metadata
+  # TODO: rename to_hash? or store in object variables
   def metadata 
-    pull if @rdf.empty?
+    pull # force update
     metadata = {}
     @rdf.query([RDF::URI.new(@uri),nil,nil]).collect do |statement|
       metadata[statement.predicate] ||= []
@@ -41,9 +42,11 @@ module OpenTox
   # @param [RDF] Key from RDF Vocabularies
   # @return [Array] Values for supplied key
   def [](key)
-    pull if @rdf.empty?
+    pull # force update
     result = @rdf.query([RDF::URI.new(@uri),key,nil]).collect{|statement| statement.object}
-    result.size == 1 ? result.first : result
+    return nil if result.empty?
+    return result.first.to_s if result.size == 1 
+    return result.collect{|r| r.to_s}
   end
 
   # Save object at service
-- 
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