1 /* 2 * Copyright (C) 2015 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 package com.android.car; 18 19 import java.io.PrintWriter; 20 21 /** 22 * Base class for all Car specific services. 23 */ 24 public interface CarServiceBase { 25 26 /** 27 * service is started. All necessary initialization should be done and service should be 28 * functional after this. 29 */ init()30 void init(); 31 32 /** service should stop and all resources should be released. */ release()33 void release(); 34 35 /** Called when connection to Vehicle HAL was restored. */ vehicleHalReconnected()36 default void vehicleHalReconnected() {} 37 dump(PrintWriter writer)38 void dump(PrintWriter writer); 39 40 /** Called when we only want to dump metrics instead of everything else. */ dumpMetrics(PrintWriter writer)41 default void dumpMetrics(PrintWriter writer) {}; 42 } 43