Package Products :: Package ZenRelations :: Module RelSchema
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Source Code for Module Products.ZenRelations.RelSchema

 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__="""$Id: ToManyRelationship.py,v 1.48 2003/11/12 22:05:48 edahl Exp $""" 
12   
13  __version__ = "$Revision: 1.48 $"[11:-2] 
14   
15   
16  RELMETATYPES = ( 
17      'ToOneRelationship', 'ToManyContRelationship', 'ToManyRelationship') 
18   
19 -class RelSchema:
20
21 - def __init__(self, remoteType, remoteClass, remoteName):
25
26 - def createRelation(self, name):
27 return self._relationClass(name)
28
29 - def checkType(self, relationship):
30 """Check that a relationship instance is of correct type""" 31 return isinstance(relationship, self._relationClass)
32 33
34 -class ToOne(RelSchema):
35 from ToOneRelationship import ToOneRelationship 36 _relationClass = ToOneRelationship
37
38 -class ToMany(RelSchema):
39 from ToManyRelationship import ToManyRelationship 40 _relationClass = ToManyRelationship
41
42 -class ToManyCont(RelSchema):
43 from ToManyContRelationship import ToManyContRelationship 44 _relationClass = ToManyContRelationship
45