1 /* 2 * Copyright 2021 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.internal.telephony.data; 18 19 import android.annotation.CallbackExecutor; 20 import android.annotation.NonNull; 21 22 import com.android.internal.annotations.VisibleForTesting; 23 24 import java.util.concurrent.Executor; 25 26 /** 27 * This is the generic callback used for passing information between telephony data modules. 28 */ 29 public class DataCallback { 30 /** The executor of the callback. */ 31 private final @NonNull Executor mExecutor; 32 33 /** 34 * Constructor 35 * 36 * @param executor The executor of the callback. 37 */ DataCallback(@onNull @allbackExecutor Executor executor)38 public DataCallback(@NonNull @CallbackExecutor Executor executor) { 39 mExecutor = executor; 40 } 41 42 /** 43 * @return The executor of the callback. 44 */ 45 @VisibleForTesting getExecutor()46 public @NonNull Executor getExecutor() { 47 return mExecutor; 48 } 49 50 /** 51 * Invoke the callback from executor. 52 * 53 * @param runnable The callback method to invoke. 54 */ invokeFromExecutor(@onNull Runnable runnable)55 public void invokeFromExecutor(@NonNull Runnable runnable) { 56 mExecutor.execute(runnable); 57 } 58 } 59