def setExtVolAttr(self, vid, dict):
"""
set Extended Volume Attributes by dict
"""
thisExtVolAttr=ExtVolAttr(vid=vid)
thisExtVolAttr.setByDict(dict)
volCache = self.DbSession.query(ExtVolAttr).filter(ExtVolAttr.vid == vid).first()
if volCache:
volCache.copyObj(thisExtVolAttr)
self.DbSession.flush()
else:
volCache=self.DbSession.merge(thisExtVolAttr)
self.DbSession.flush()
self.DbSession.commit()
return thisExtVolAttr
