# HG changeset patch
# User Nicolas Saunier <nicolas.saunier@polymtl.ca>
# Date 1289236852 18000
# Node ID 846fa9dc47de7c63162967ef14ebce98a23134c8
# Parent  ded58c42478359fd1a187532f03d44c626a11ac0
empty method for indicators

diff -r ded58c424783 -r 846fa9dc47de python/moving.py
--- a/python/moving.py	Sun Nov 07 04:21:26 2010 -0500
+++ b/python/moving.py	Mon Nov 08 12:20:52 2010 -0500
@@ -383,6 +383,9 @@
         self.values = values
         self.timeInterval = timeInterval
 
+    def empty(self):
+        return len(self.values) == 0
+
 class SeverityIndicator(TemporalIndicator):
     '''Class for severity indicators 
     field mostSevereIsMax is True