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# 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 logging
from toscaparser.entity_template import EntityTemplate
from toscaparser.properties import Property
SECTIONS = (DERIVED_FROM, PROPERTIES, REQUIREMENTS,
INTERFACES, CAPABILITIES, TYPE) = \
('derived_from', 'properties', 'requirements', 'interfaces',
'capabilities', 'type')
log = logging.getLogger('tosca')
class RelationshipTemplate(EntityTemplate):
'''Relationship template.'''
def __init__(self, relationship_template, name, custom_def=None):
super(RelationshipTemplate, self).__init__(name,
relationship_template,
'relationship_type',
custom_def)
self.name = name.lower()
def get_properties_objects(self):
'''Return properties objects for this template.'''
if self._properties is None:
self._properties = self._create_relationship_properties()
return self._properties
def _create_relationship_properties(self):
props = []
properties = {}
relationship = self.entity_tpl.get('relationship')
if relationship:
properties = self.type_definition.get_value(self.PROPERTIES,
relationship) or {}
if not properties:
properties = self.entity_tpl.get(self.PROPERTIES) or {}
if properties:
for name, value in properties.items():
props_def = self.type_definition.get_properties_def()
if props_def and name in props_def:
if name in properties.keys():
value = properties.get(name)
prop = Property(name, value,
props_def[name].schema, self.custom_def)
props.append(prop)
for p in self.type_definition.get_properties_def_objects():
if p.default is not None and p.name not in properties.keys():
prop = Property(p.name, p.default, p.schema, self.custom_def)
props.append(prop)
return props
def validate(self):
self._validate_properties(self.entity_tpl, self.type_definition)
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