mirror of https://gitee.com/bigwinds/arangodb
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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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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/// http://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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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_BASICS_TIMED_ACTION_H
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#define ARANGODB_BASICS_TIMED_ACTION_H 1
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#include "Basics/Common.h"
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namespace arangodb {
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class TimedAction {
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public:
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TimedAction(TimedAction const&) = delete;
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TimedAction& operator=(TimedAction const&) = delete;
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TimedAction(std::function<void(double)> const& callback, double threshold)
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: _callback(callback), _threshold(threshold), _start(TRI_microtime()), _done(false) {}
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~TimedAction() {}
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public:
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double elapsed() const {
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return (TRI_microtime() - _start);
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}
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bool tick() {
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if (!_done) {
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if (elapsed() >= _threshold) {
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_done = true;
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_callback(_threshold);
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return true;
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}
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}
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return false;
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}
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private:
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std::function<void(double)> const _callback;
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double const _threshold;
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double _start;
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bool _done;
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};
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}
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#endif
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