Source Code for Module ZenModel.ShiftGraphPoint

 1  ########################################################################### 
 2  # 
 3  # This program is part of Zenoss Core, an open source monitoring platform. 
 4  # Copyright (C) 2007, Zenoss Inc. 
 5  # 
 6  # This program is free software; you can redistribute it and/or modify it 
 7  # under the terms of the GNU General Public License version 2 as published by 
 8  # the Free Software Foundation. 
 9  # 
10  # For complete information please visit: http://www.zenoss.com/oss/ 
11  # 
12  ########################################################################### 
13   
14  __doc__="""ShiftGraphPoint 
15   
16  Handles GraphPoints that define an rrd SHIFT 
17  """ 
18   
19  import os 
20  from GraphPoint import GraphPoint 
21  from Globals import InitializeClass 
22   
23   
24 -def manage_addShiftGraphPoint(context, id, REQUEST = None): 
25      ''' This is here so than zope will let us copy/paste/rename 
26      graphpoints. 
27      ''' 
28      gp = ShiftGraphPoint(id) 
29      context._setObject(gp.id, gp) 
30      if REQUEST: 
31          return context.callZenScreen(REQUEST) 
32   
33   
34 -class ShiftGraphPoint(GraphPoint): 
35   
36      meta_type = 'ShiftGraphPoint' 
37   
38      vname = '' 
39      offset = 0 
40   
41      _properties = GraphPoint._properties + ( 
42          {'id':'vname', 'type':'string', 'mode':'w'}, 
43          {'id':'offset', 'type':'long', 'mode':'w'}, 
44          ) 
45   
46 -    def getDescription(self): 
47          return '%s' % self.offset 
48   
49   
50 -    def getType(self): 
51          return 'SHIFT' 
52   
53   
54 -    def getGraphCmds(self, cmds, context, rrdDir, addSummary, idx,  
55                          multiid=-1, prefix=''): 
56          ''' Build the graphing commands for this graphpoint 
57          ''' 
58          if not (self.rrdFile and self.dsName and self.cFunc): 
59              return cmds 
60           
61          offset = self.talesEval(self.offset, context) 
62   
63          return cmds + ['SHIFT:%s:%s' % ( 
64                              self.addPrefix(prefix, self.vname), offset or 0)] 
65   
66   
67  InitializeClass(ShiftGraphPoint) 
68