deb-python-pyvmomi/pyVmomi/StubAdapterAccessorImpl.py
2015-01-10 18:49:03 -06:00

49 lines
2.1 KiB
Python

# VMware vSphere Python SDK
# Copyright (c) 2008-2015 VMware, Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
from pyVmomi.VmomiSupport import GetVmodlType
class StubAdapterAccessorMixin:
def __init__(self):
self._pc = None
self._pcType = GetVmodlType("vmodl.query.PropertyCollector")
self._siType = GetVmodlType("vim.ServiceInstance")
## Retrieve a managed property
#
# @param self self
# @param mo managed object
# @param info property info
def InvokeAccessor(self, mo, info):
filterSpec = self._pcType.FilterSpec(
objectSet=[self._pcType.ObjectSpec(obj=mo, skip=False)],
propSet=[self._pcType.PropertySpec(all=False, type=mo.__class__,
pathSet=[info.name])],
)
## Cache the property collector if it isn't already
# No need to lock _pc since multiple instances of PropertyCollector on
# the client will talk to the same instance on the server.
if not self._pc:
si = self._siType("ServiceInstance", self)
self._pc = si.RetrieveContent().propertyCollector
result = self._pc.RetrievePropertiesEx(specSet=[filterSpec],
options=self._pcType.RetrieveOptions(maxObjects=1))
objectContent = result.objects[0]
if len(objectContent.propSet) > 0:
return objectContent.propSet[0].val
if len(objectContent.missingSet) > 0 and objectContent.missingSet[0].fault:
raise objectContent.missingSet[0].fault
return None