1 /* 2 * Copyright 2012 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty.util.concurrent; 17 18 /** 19 * The {@link CompleteFuture} which is succeeded already. It is 20 * recommended to use {@link EventExecutor#newSucceededFuture(Object)} instead of 21 * calling the constructor of this future. 22 */ 23 public final class SucceededFuture<V> extends CompleteFuture<V> { 24 private final V result; 25 26 /** 27 * Creates a new instance. 28 * 29 * @param executor the {@link EventExecutor} associated with this future 30 */ 31 public SucceededFuture(EventExecutor executor, V result) { 32 super(executor); 33 this.result = result; 34 } 35 36 @Override 37 public Throwable cause() { 38 return null; 39 } 40 41 @Override 42 public boolean isSuccess() { 43 return true; 44 } 45 46 @Override 47 public V getNow() { 48 return result; 49 } 50 }