1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include "config/ConfigKey.h" 20 21 #include <utils/RefBase.h> 22 23 namespace android { 24 namespace os { 25 namespace statsd { 26 27 /** 28 * Callback for different subsystems inside statsd to implement to find out 29 * when a configuration has been added, updated or removed. 30 */ 31 class ConfigListener : public virtual RefBase { 32 public: 33 ConfigListener(); 34 virtual ~ConfigListener(); 35 36 /** 37 * A configuration was added or updated. 38 */ 39 virtual void OnConfigUpdated(const int64_t timestampNs, const ConfigKey& key, 40 const StatsdConfig& config, bool modularUpdate = true) = 0; 41 42 /** 43 * A configuration was removed. 44 */ 45 virtual void OnConfigRemoved(const ConfigKey& key) = 0; 46 }; 47 48 } // namespace statsd 49 } // namespace os 50 } // namespace android 51