resource_type = RESOURCE_MAP.keys()[RESOURCE_MAP.values().index(res_type)]
resource_table = globals().get(resource_type + 'InstModel')
resource_table.objects.filter(instid=self.nf_inst_id, resourceid=res_id).delete()
resource_type = RESOURCE_MAP.keys()[RESOURCE_MAP.values().index(res_type)]
resource_table = globals().get(resource_type + 'InstModel')
resource_table.objects.filter(instid=self.nf_inst_id, resourceid=res_id).delete()