Source Code for Module Ganga.GPIDev.Adapters.ApplicationRuntimeHandlers

 1  ################################################################################ 
 2  # Ganga Project. http://cern.ch/ganga 
 3  # 
 4  # $Id: ApplicationRuntimeHandlers.py,v 1.1 2008-07-17 16:40:52 moscicki Exp $ 
 5  ################################################################################ 
 6   
 7  """ Application adapter table is a mechanism to match application and backend handlers. 
 8  """ 
 9    
10 -class _ApplicationRuntimeHandlers: 
11 -    def __init__(self): 
12          self.handlers = {} 
13   
14 -    def add(self,application,backend,handler): 
15          self.handlers.setdefault(backend,{})[application] = handler 
16   
17 -    def get(self,application,backend): 
18          return self.handlers[backend][application] 
19   
20 -    def getAllBackends(self,application=None): 
21          if application is None: 
22              return self.handlers.keys() 
23          else: 
24              return [b for b in self.handlers.keys() if application in self.handlers[b]] 
25   
26 -    def getAllApplications(self,backend=None): 
27          if backend is None: 
28              apps = {} 
29   
30              for a in self.handlers.values(): 
31                  apps.update(a) 
32                   
33              return apps.keys() 
34          else: 
35              return self.handlers[backend].keys() 
36       
37  allHandlers = _ApplicationRuntimeHandlers() 
38       
39  if __name__ == '__main__': 
40      a = _ApplicationRuntimeHandlers() 
41      a.add('a','X',1) 
42      a.add('a','Y',1) 
43      a.add('b','X',1) 
44      a.add('c','Z',1) 
45   
46 -    def compare(alist,blist): 
47          print alist,blist 
48          alist.sort() 
49          blist.sort() 
50          assert(alist == blist) 
51   
52           
53      compare(a.getAllBackends(),['X','Y','Z']) 
54      compare(a.getAllApplications(), ['a','b','c']) 
55   
56      compare(a.getAllBackends('a'),['X','Y']) 
57      compare(a.getAllBackends('b'),['X']) 
58      compare(a.getAllBackends('c'),['Z']) 
59   
60      compare(a.getAllApplications('X'),['a','b']) 
61      compare(a.getAllApplications('Y'),['a']) 
62      compare(a.getAllApplications('Z'),['c']) 
63