| Matteo Scandolo | fe74861 | 2020-01-28 14:54:05 -0800 | [diff] [blame^] | 1 | |
| 2 | # Copyright 2017-present Open Networking Foundation |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | |
| 16 | |
| 17 | from xosapi.orm import register_convenience_wrapper |
| 18 | from xosapi.convenience.service import ORMWrapperService |
| 19 | |
| 20 | class ORMWrapperOnosService(ORMWrapperService): |
| 21 | |
| 22 | """ Calling convention. Assume the subscribing service does approximately (needs some checks to see |
| 23 | if the methods exist before calling them) the following in its model_policy: |
| 24 | |
| 25 | if not eastbound_service.validate_links(self): |
| 26 | eastbound_service.acquire_service_instance(self) |
| 27 | """ |
| 28 | |
| 29 | def acquire_service_instance(self, subscriber_service_instance): |
| 30 | """ |
| 31 | Never acquire a ServiceInstance on the ONOS Service, |
| 32 | those are ONOS apps, simply return true |
| 33 | """ |
| 34 | return True |
| 35 | |
| 36 | def validate_links(self, subscriber_service_instance): |
| 37 | """ |
| 38 | In the case of the ONOS service there are no links between ServiceInstances and ONOSApps, |
| 39 | so alway return an empty list |
| 40 | """ |
| 41 | return [] |
| 42 | |
| 43 | register_convenience_wrapper("ONOSService", ORMWrapperOnosService) |