| import json |
| from synchronizers.metronetwork.invokers.invoker import Invoker |
| from services.metronetwork.models import NetworkMultipointToMultipointConnection, NetworkEdgePort |
| |
| class NetworkMultipointToMultipointInvoker(Invoker): |
| |
| def __init__(self, **args): |
| pass |
| |
| # Method for handline pre save semantics |
| # content here would be model specific but could include handling Many-to-Many relationship |
| # creation - which must occur post save |
| # |
| # obj - Whatever obj was just saved |
| # returns - None - this is a pure invoke() call, return type is None |
| # |
| def presave(self, obj): |
| pass |
| |
| |
| # Method for handline post save semantics |
| # content here would be model specific but could include handling Many-to-Many relationship |
| # creation - which must occur post save |
| # |
| # obj - Whatever obj was just saved |
| # returns - N/A - this is a pure invoke() call |
| # |
| def postsave(self, obj): |
| # |
| # Ok - we need to handle the multipoint many-to-many relationships in here |
| # |
| # By design convnetion we will look for them in the 'backend_register' object field |
| # this is a json field that is general purpose - we will expect to find a JSON array |
| # called 'eps' that just containts a reference to a bunch of NetworkEdgePorts |
| # |
| # |
| scratchpad = json.loads(obj.eps_createbuffer) |
| eps = scratchpad['eps'] |
| |
| for ep in eps: |
| port = NetworkEdgePort.objects.get(pid=ep) |
| obj.eps.add(port) |