Source Code for Module Products.ZenModel.CdefGraphPoint

 1  ############################################################################## 
 2  #  
 3  # Copyright (C) Zenoss, Inc. 2007, all rights reserved. 
 4  #  
 5  # This content is made available according to terms specified in 
 6  # License.zenoss under the directory where your Zenoss product is installed. 
 7  #  
 8  ############################################################################## 
 9   
10   
11  __doc__="""CdefGraphPoint 
12   
13  Handles GraphPoints that define an rrd CDEF 
14  """ 
15   
16  from Globals import InitializeClass 
17   
18  from Products.ZenModel.RpnGraphPoint import RpnGraphPoint 
19   
20   
21 -def manage_addCdefGraphPoint(context, id, REQUEST = None): 
22      ''' This is here so than zope will let us copy/paste/rename 
23      graphpoints. 
24      ''' 
25      gp = CdefGraphPoint(id) 
26      context._setObject(gp.id, gp) 
27      if REQUEST: 
28          return context.callZenScreen(REQUEST) 
29   
30   
31 -class CdefGraphPoint(RpnGraphPoint): 
32      meta_type = 'CdefGraphPoint' 
33   
34   
35 -    def getType(self): 
36          return 'CDEF' 
37   
38   
39 -    def getGraphCmds(self, cmds, context, rrdDir, addSummary, idx, 
40                          multiid=-1, prefix=''): 
41          ''' Build the graphing commands for this graphpoint 
42          ''' 
43          from Products.ZenUtils.Utils import unused 
44          unused(rrdDir) 
45          if not self.rpn: 
46              return cmds 
47          rpn = self.talesEval(self.rpn, context) 
48          return cmds + ['CDEF:%s=%s' % ( 
49                          self.getDsName(self.id, multiid, prefix), 
50                          self.getRpn(multiid, prefix))] 
51   
52   
53  InitializeClass(CdefGraphPoint) 
54