1 /* 2 * Copyright (C) 2011 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.animation; 17 18 import com.google.common.util.concurrent.AbstractFuture; 19 20 /** 21 * Simple extension of {@link com.google.common.util.concurrent.AbstractFuture} which exposes a new 22 * release() method which calls the protected 23 * {@link com.google.common.util.concurrent.AbstractFuture#set(Object)} method internally. It 24 * also exposes the protected {@link AbstractFuture#setException(Throwable)} method. 25 */ 26 public class FutureWaiter extends AbstractFuture<Boolean> { 27 28 /** 29 * Release the Future currently waiting on 30 * {@link com.google.common.util.concurrent.AbstractFuture#get()}. 31 */ 32 public void release() { 33 super.set(true); 34 } 35 36 /** 37 * Used to indicate failure (when the result value is false). 38 */ 39 public void set(boolean result) { 40 super.set(result); 41 } 42 43 @Override 44 public boolean setException(Throwable throwable) { 45 return super.setException(throwable); 46 } 47 } 48
