1 /* 2 * Copyright (C) 2019 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 package android.automotive.computepipe.runner; 17 18 import android.automotive.computepipe.runner.PipeState; 19 20 @VintfStability 21 interface IPipeStateCallback { 22 /** 23 * Callback that notifies a client about the state of a pipe 24 * 25 * Client installs IPipeStateHandler with the runner by invoking 26 * setPipeStateNotifier(). The runner invokes the method below to notify the 27 * client of any state changes. 28 * 29 * @param state is the state of the pipe. 30 */ handleState(in PipeState state)31 oneway void handleState(in PipeState state); 32 } 33