source: mauRepo/MolesManager/trunk/src/ea_model/iso_19115_2006_metadata_corrigendum/reference_system_information/rs_identifier.py @ 8160

Subversion URL: http://proj.badc.rl.ac.uk/svn/ndg/mauRepo/MolesManager/trunk/src/ea_model/iso_19115_2006_metadata_corrigendum/reference_system_information/rs_identifier.py@8160
Revision 8160, 1.8 KB checked in by mnagni, 8 years ago (diff)

This new DB library adds better hash algorithm and a bug fix for the classes eq method

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21from ea_model.iso_19115_2006_metadata_corrigendum.reference_system_information.md_identifier import  MD_Identifier
22from ascore.utils import has_value, collectionProofHash
23
24'''
25Created on 13-Mar-2012 11:08:06
26
27@author: mnagni
28'''
29
30class RS_Identifier(MD_Identifier):
31    '''
32        Represents a data entity defined in a UML diagram and supposed to
33        be persisted in a relational database.
34 
35        This class has been genererated automatically using the Apache Velocity project.
36    '''
37    '''
38        Please note that any access to the inner attributes should be done using
39        the given get/set methods and NOT accessing them directly.
40    '''
41    def __init__(self):
42        self._md_identifier = MD_Identifier()   
43
44        self.codeSpace = None
45        self.authority = None
46        self.version = None
47        self.code = None
48        super(RS_Identifier, self).__init__()
49
50    @property
51    def authority(self):       
52        return self._md_identifier.authority
53
54    @authority.setter
55    def authority(self, value): 
56            self._md_identifier.authority = value
57
58    @property
59    def code(self):     
60        return self._md_identifier.code
61
62    @code.setter
63    def code(self, value):     
64            self._md_identifier.code = value
65
66    def __key(self):
67        return (self.codeSpace, self.authority, self.version, self.code)
68
69    def __eq__(self, y):
70        if type(self) != type(y):
71            return False
72        '''
73        Cannot compare classes which do not define a "__key" attribute
74        '''
75        if hasattr(self, '_%s__key' % (type(self).__name__)) and hasattr(y, '_%s__key' % (type(y).__name__)):
76            return self.__key() == y.__key()
77        return id(self) == id(y)
78
79    def __hash__(self):
80        return collectionProofHash(self.__key())
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