324 """Mixin class for appobjects defining the 'accepts' attribute describing |
324 """Mixin class for appobjects defining the 'accepts' attribute describing |
325 a set of supported entity type (Any by default). |
325 a set of supported entity type (Any by default). |
326 """ |
326 """ |
327 # XXX deprecated, no more necessary |
327 # XXX deprecated, no more necessary |
328 |
328 |
329 def get_schema_property(eschema, rschema, role, property): |
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330 # XXX use entity.e_schema.role_rproperty(role, rschema, property, tschemas[0]) once yams > 0.23.0 is out |
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331 if role == 'subject': |
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332 targetschema = rschema.objects(eschema)[0] |
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333 return rschema.rproperty(eschema, targetschema, property) |
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334 targetschema = rschema.subjects(eschema)[0] |
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335 return rschema.rproperty(targetschema, eschema, property) |
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336 |
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337 def compute_cardinality(eschema, rschema, role): |
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338 if role == 'subject': |
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339 targetschema = rschema.objects(eschema)[0] |
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340 return rschema.rproperty(eschema, targetschema, 'cardinality')[0] |
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341 targetschema = rschema.subjects(eschema)[0] |
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342 return rschema.rproperty(targetschema, eschema, 'cardinality')[1] |
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343 |
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