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From AviaE <...@git.apache.org>
Subject [GitHub] incubator-ariatosca pull request #189: ARIA-174 Refactor instantiation phase
Date Tue, 01 Aug 2017 22:30:10 GMT
Github user AviaE commented on a diff in the pull request:

    https://github.com/apache/incubator-ariatosca/pull/189#discussion_r130595794
  
    --- Diff: aria/orchestrator/topology/common.py ---
    @@ -0,0 +1,52 @@
    +# Licensed to the Apache Software Foundation (ASF) under one or more
    +# contributor license agreements.  See the NOTICE file distributed with
    +# this work for additional information regarding copyright ownership.
    +# The ASF licenses this file to You 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.
    +
    +
    +class _Handler(object):
    +    def __init__(self, topology, template):
    +        self._topology = topology
    +        self._model = template
    +
    +    def _coerce(self, *templates, **kwargs):
    +        for template in templates:
    +            self._topology.coerce(template)
    +
    +    def coerce(self):
    +        pass
    +
    +    def validate(self, **kwargs):
    +        pass
    +
    +    def _validate(self, *templates, **kwargs):
    +        for template in templates:
    +            self._topology.validate(template)
    +
    +    def dump(self, out_stream):
    +        pass
    +
    +
    +class _TemplateHandlerMixin(_Handler):
    +
    +    def instantiate(self, instance_cls):
    +        raise NotImplementedError
    +
    +
    +class _InstanceHandlerMixin(_Handler):
    +    pass
    +
    +
    +class _OperatorHolderHandlerMixin(_Handler):
    --- End diff --
    
    `OperationHolderHandlerMixin`, and please think of a better word than `Holder`.


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