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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.
from toscaparser.elements.statefulentitytype import StatefulEntityType
class RelationshipType(StatefulEntityType):
'''TOSCA built-in relationship type.'''
def __init__(self, type, capability_name=None, custom_def=None):
super(RelationshipType, self).__init__(type, self.RELATIONSHIP_PREFIX,
custom_def)
self.capability_name = capability_name
self.custom_def = custom_def
@property
def parent_type(self):
'''Return a relationship this reletionship is derived from.'''
prel = self.derived_from(self.defs)
if prel:
return RelationshipType(prel)
@property
def valid_target_types(self):
return self.entity_value(self.defs, 'valid_target_types')
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