| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.car.hal; |
| |
| import com.android.car.vehiclenetwork.VehicleNetworkProto.VehiclePropConfig; |
| import com.android.car.vehiclenetwork.VehicleNetworkProto.VehiclePropValue; |
| |
| import java.io.PrintWriter; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * Common interface for all HAL service like sensor HAL. |
| * Each HAL service is connected with XyzService supporting XyzManager, |
| * and will translate HAL data into car api specific format. |
| */ |
| public abstract class HalServiceBase { |
| /** For dispatching events. Kept here to avoid alloc every time */ |
| private final LinkedList<VehiclePropValue> mDispatchList = new LinkedList<VehiclePropValue>(); |
| |
| public List<VehiclePropValue> getDispatchList() { |
| return mDispatchList; |
| } |
| |
| /** initialize */ |
| public abstract void init(); |
| |
| /** release and stop operation */ |
| public abstract void release(); |
| |
| /** |
| * return supported properties among all properties. |
| * @return null if no properties are supported |
| */ |
| /** |
| * Take supported properties from given allProperties and return List of supported properties. |
| * @param allProperties |
| * @return null if no properties are supported. |
| */ |
| public abstract List<VehiclePropConfig> takeSupportedProperties( |
| List<VehiclePropConfig> allProperties); |
| |
| public abstract void handleHalEvents(List<VehiclePropValue> values); |
| |
| public abstract void dump(PrintWriter writer); |
| } |