Added serialization to EC

[nepi.git] / src / nepi / execution / attribute.py

diff --git a/src/nepi/execution/attribute.py b/src/nepi/execution/attribute.py
index 64a3d05..19fbfc2 100644 (file)
--- a/src/nepi/execution/attribute.py
+++ b/src/nepi/execution/attribute.py
@@ -39,8 +39,8 @@ class Flags:
     # Attribute value can be modified only before deployment
     Design  = 1 << 2 # 4
 
-    # Attribute value will be used only during the deployment face
-    Construct    = 1 << 3 | Design # 8 + 4
+    # Attribute value will be used at deployment time for initial configuration
+    Construct    = 1 << 3 #  8
 
     # Attribute provides credentials to access resources
     Credential  = 1 << 4  | Design # 16 + 4
@@ -48,6 +48,12 @@ class Flags:
     # Attribute is a filter used to discover resources
     Filter  = 1 << 5 | Design # 32 + 4
 
+    # Attribute Flag is reserved for internal RM usage (i.e. should be 
+    # transparent to the user)
+    Reserved  = 1 << 6 # 64
+
+    # Attribute global is set to all resources of rtype
+    Global  = 1 << 7 # 128
 
 class Attribute(object):
     """
@@ -85,7 +91,7 @@ class Attribute(object):
                 attributes.
         :type range: (int, int) or (float, float)
         
-        :param set_hook: Function that will be executed when ever a new 
+        :param set_hook: Function that will be executed whenever a new 
                 value is set for the attribute.
         :type set_hook: function
 
@@ -142,7 +148,7 @@ class Attribute(object):
     def has_flag(self, flag):
         """ Returns true if the attribute has the flag 'flag'
 
-        :param flag: Flag that need to be ckecked
+        :param flag: Flag to be checked
         :type flag: Flags
         """
         return (self._flags & flag) == flag
@@ -184,6 +190,7 @@ class Attribute(object):
         adequate validation"""
         return True
 
+    @property
     def has_changed(self):
         """ Returns true if the value has changed from the default """
         return self.value != self.default