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# Copyright 2013 IBM Corp.
#
# 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.
import six
from pycadf import cadftype
ATTACHMENT_KEYNAME_TYPEURI = "typeURI"
ATTACHMENT_KEYNAME_CONTENT = "content"
ATTACHMENT_KEYNAME_NAME = "name"
ATTACHMENT_KEYNAMES = [ATTACHMENT_KEYNAME_TYPEURI,
ATTACHMENT_KEYNAME_CONTENT,
ATTACHMENT_KEYNAME_NAME]
class Attachment(cadftype.CADFAbstractType):
# TODO(mrutkows): OpenStack / Ceilometer may want to define
# the set of approved attachment types in order to
# limit and validate them.
typeURI = cadftype.ValidatorDescriptor(ATTACHMENT_KEYNAME_TYPEURI,
lambda x: isinstance(
x, six.string_types))
content = cadftype.ValidatorDescriptor(ATTACHMENT_KEYNAME_CONTENT)
name = cadftype.ValidatorDescriptor(ATTACHMENT_KEYNAME_NAME,
lambda x: isinstance(x,
six.string_types))
def __init__(self, typeURI=None, content=None, name=None):
"""Create Attachment data type
:param typeURI: uri that identifies type of data in content
:param content: container that contains any type of data
:param contentType: name used to identify content.
"""
# Attachment.typeURI
if typeURI is not None:
setattr(self, ATTACHMENT_KEYNAME_TYPEURI, typeURI)
# Attachment.content
if content is not None:
setattr(self, ATTACHMENT_KEYNAME_CONTENT, content)
# Attachment.name
if name is not None:
setattr(self, ATTACHMENT_KEYNAME_NAME, name)
# self validate cadf:Attachment type against schema
def is_valid(self):
"""Validation to ensure Attachment required attributes are set.
"""
return (
self._isset(ATTACHMENT_KEYNAME_TYPEURI) and
self._isset(ATTACHMENT_KEYNAME_NAME) and
self._isset(ATTACHMENT_KEYNAME_CONTENT)
)
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