1 /* 2 * Copyright (C) 2018 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.dialer.common.concurrent; 18 19 import com.google.common.util.concurrent.FutureCallback; 20 import com.google.common.util.concurrent.MoreExecutors; 21 22 /** 23 * Returns a {@link FutureCallback} which does nothing on success and crashes the application on 24 * failure. 25 * 26 * <p>You generally shouldn't use this for futures which should be tied to UI, for those use {@link 27 * UiListener}. 28 * 29 * <p>Can be safely used with {@link MoreExecutors#directExecutor()} 30 */ 31 public final class DefaultFutureCallback<T> implements FutureCallback<T> { 32 33 @Override onSuccess(T unused)34 public void onSuccess(T unused) {} 35 36 @Override onFailure(Throwable throwable)37 public void onFailure(Throwable throwable) { 38 ThreadUtil.getUiThreadHandler() 39 .post( 40 () -> { 41 throw new RuntimeException(throwable); 42 }); 43 } 44 } 45