feature #661: Add VirtualNetwork type helper

src/oca/ruby/OpenNebula/VirtualNetwork.rb

@@ -30,6 +30,13 @@ module OpenNebula
             :rmleases   => "vn.rmleases"
         }
 
+        NETWORK_TYPES=%w{RANGED FIXED}
+
+        SHORT_NETWORK_TYPES={
+            "RANGED" => "R",
+            "FIXED"  => "F"
+        }
+
         # Creates a VirtualNetwork description with just its identifier
         # this method should be used to create plain VirtualNetwork objects.
         # +id+ the id of the network
@@ -111,6 +118,25 @@ module OpenNebula
             return rc
         end
 
+        #######################################################################
+        # Helpers to get Virtual Network information
+        #######################################################################
+
+        # Returns the type of the Virtual Network (numeric value)
+        def type
+            self['TYPE'].to_i
+        end
+
+        # Returns the type of the Virtual Network (string value)
+        def type_str
+            NETWORK_TYPES[type]
+        end
+
+        # Returns the state of the Virtual Network (string value)
+        def short_type_str
+            SHORT_NETWORK_TYPES[type_str]
+        end
+
     private
         def set_publish(published)
             return Error.new('ID not defined') if !@pe_id