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34 lines
982 B
C++
34 lines
982 B
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef PLATFORM_API_CANCELABLE_H_
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#define PLATFORM_API_CANCELABLE_H_
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namespace nearby {
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namespace api {
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// An interface to provide a cancellation mechanism for objects that represent
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// long-running operations.
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class Cancelable {
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public:
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virtual ~Cancelable() = default;
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virtual bool Cancel() = 0;
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};
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} // namespace api
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} // namespace nearby
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#endif // PLATFORM_API_CANCELABLE_H_
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