cco/cybertools
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

added order and relevance attributes to Relation class

Browse source 
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2138 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm 2007-11-01 20:57:34 +00:00
parent 24206693f9
commit 2e4f320fe7
2 changed files with 16 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
relation/__init__.py
View file

@ -35,6 +35,9 @@ class Relation(Persistent):
implements(IPredicate, IRelation) implements(IPredicate, IRelation)
order = 0
relevance = 1.0
@classmethod @classmethod
def getPredicateName(cls): def getPredicateName(cls):
return '%s.%s' % (cls.__module__, cls.__name__) return '%s.%s' % (cls.__module__, cls.__name__)

11
relation/interfaces.py
View file

@ -32,6 +32,13 @@ class IRelation(Interface):
""" Base interface for relations. """ Base interface for relations.
""" """
order = Attribute('An integer that may be used for ordering relations. '
'The default should be 0, and there may be negative and '
'positive values.')
relevance = Attribute('A float greater than 0.0 and less or equal to '
'1.0 denoting the importance, relevance, or weight of a '
'relation. The default and standard value should be 1.0.')
def getPredicateName(): def getPredicateName():
""" Return the predicate of this relation as a string that may be """ Return the predicate of this relation as a string that may be
used for indexing. used for indexing.
@ -41,7 +48,9 @@ class IRelation(Interface):
""" Return True if this relation is valid. """ Return True if this relation is valid.
If the registry argument is provided the check should be done If the registry argument is provided the check should be done
with respect to this relation registry, e.g. to with respect to this relation registry. The validate() method
may be used for implementing checks against ontologies or other
kinds of restrictions.
""" """