Java tutorial
/* * Copyright 2013 The Netty Project * * The Netty Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package io.netty.util.concurrent; /** * Special {@link ProgressiveFuture} which is writable. */ public interface ProgressivePromise<V> extends Promise<V>, ProgressiveFuture<V> { /** * Sets the current progress of the operation and notifies the listeners that implement * {@link GenericProgressiveFutureListener}. */ ProgressivePromise<V> setProgress(long progress, long total); /** * Tries to set the current progress of the operation and notifies the listeners that implement * {@link GenericProgressiveFutureListener}. If the operation is already complete or the progress is out of range, * this method does nothing but returning {@code false}. */ boolean tryProgress(long progress, long total); @Override ProgressivePromise<V> setSuccess(V result); @Override ProgressivePromise<V> setFailure(Throwable cause); @Override ProgressivePromise<V> addListener(GenericFutureListener<? extends Future<? super V>> listener); @Override ProgressivePromise<V> addListeners(GenericFutureListener<? extends Future<? super V>>... listeners); @Override ProgressivePromise<V> removeListener(GenericFutureListener<? extends Future<? super V>> listener); @Override ProgressivePromise<V> removeListeners(GenericFutureListener<? extends Future<? super V>>... listeners); @Override ProgressivePromise<V> await() throws InterruptedException; @Override ProgressivePromise<V> awaitUninterruptibly(); @Override ProgressivePromise<V> sync() throws InterruptedException; @Override ProgressivePromise<V> syncUninterruptibly(); }