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  from GraphPoint import GraphPoint 
20  from Globals import InitializeClass 
21   
22   
23 -def manage_addShiftGraphPoint(context, id, REQUEST = None): 
24      ''' This is here so than zope will let us copy/paste/rename 
25      graphpoints. 
26      ''' 
27      gp = ShiftGraphPoint(id) 
28      context._setObject(gp.id, gp) 
29      if REQUEST: 
30          return context.callZenScreen(REQUEST) 
31   
32   
33 -class ShiftGraphPoint(GraphPoint): 
34   
35      meta_type = 'ShiftGraphPoint' 
36   
37      vname = '' 
38      offset = 0 
39   
40      _properties = GraphPoint._properties + ( 
41          {'id':'vname', 'type':'string', 'mode':'w'}, 
42          {'id':'offset', 'type':'long', 'mode':'w'}, 
43          ) 
44   
45 -    def getDescription(self): 
46          return '%s' % self.offset 
47   
48   
49 -    def getType(self): 
50          return 'SHIFT' 
51   
52   
53 -    def getGraphCmds(self, cmds, context, rrdDir, addSummary, idx,  
54                          multiid=-1, prefix=''): 
55          ''' Build the graphing commands for this graphpoint 
56          ''' 
57          from Products.ZenUtils.Utils import unused 
58          unused(multiid, rrdDir) 
59          if not (self.rrdFile and self.dsName and self.cFunc): 
60              return cmds 
61           
62          offset = self.talesEval(self.offset, context) 
63   
64          return cmds + ['SHIFT:%s:%s' % ( 
65                              self.addPrefix(prefix, self.vname), offset or 0)] 
66   
67   
68  InitializeClass(ShiftGraphPoint) 
69