gauge.h
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00001 /*
00002  * Copyright 2018 The Cartographer Authors
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #ifndef CARTOGRAPHER_METRICS_GAUGE_H_
00018 #define CARTOGRAPHER_METRICS_GAUGE_H_
00019 
00020 #include <map>
00021 #include <vector>
00022 
00023 namespace cartographer {
00024 namespace metrics {
00025 
00026 class Gauge {
00027  public:
00028   // Gauge instance that does nothing. Safe for use in static initializers.
00029   static Gauge* Null();
00030 
00031   virtual ~Gauge() = default;
00032   virtual void Increment() = 0;
00033   virtual void Increment(double by_value) = 0;
00034   virtual void Decrement() = 0;
00035   virtual void Decrement(double by_value) = 0;
00036   virtual void Set(double value) = 0;
00037 };
00038 
00039 }  // namespace metrics
00040 }  // namespace cartographer
00041 
00042 #endif  // CARTOGRAPHER_METRICS_GAUGE_H_


cartographer
Author(s): The Cartographer Authors
autogenerated on Thu May 9 2019 02:27:35