| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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 org.apache.cassandra.net; |
| |
| import io.netty.channel.Channel; |
| import io.netty.channel.ChannelFuture; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.channel.ChannelPromise; |
| import io.netty.util.concurrent.Future; // checkstyle: permit this import |
| import io.netty.util.concurrent.GenericFutureListener; |
| import org.apache.cassandra.utils.concurrent.AsyncPromise; |
| |
| /** |
| * See {@link AsyncPromise} and {@link io.netty.channel.ChannelPromise} |
| * |
| * This class is all boiler plate, just ensuring we return ourselves and invoke the correct Promise method. |
| */ |
| public class AsyncChannelPromise extends AsyncPromise.WithExecutor<Void> implements ChannelPromise |
| { |
| private final Channel channel; |
| |
| @SuppressWarnings("unused") |
| public AsyncChannelPromise(Channel channel) |
| { |
| super(channel.eventLoop()); |
| this.channel = channel; |
| } |
| |
| AsyncChannelPromise(Channel channel, GenericFutureListener<? extends Future<? super Void>> listener) |
| { |
| super(channel.eventLoop(), listener); |
| this.channel = channel; |
| } |
| |
| public static AsyncChannelPromise withListener(ChannelHandlerContext context, GenericFutureListener<? extends Future<? super Void>> listener) |
| { |
| return withListener(context.channel(), listener); |
| } |
| |
| public static AsyncChannelPromise withListener(Channel channel, GenericFutureListener<? extends Future<? super Void>> listener) |
| { |
| return new AsyncChannelPromise(channel, listener); |
| } |
| |
| public static ChannelFuture writeAndFlush(ChannelHandlerContext context, Object message, GenericFutureListener<? extends Future<? super Void>> listener) |
| { |
| return context.writeAndFlush(message, withListener(context.channel(), listener)); |
| } |
| |
| public static ChannelFuture writeAndFlush(Channel channel, Object message, GenericFutureListener<? extends Future<? super Void>> listener) |
| { |
| return channel.writeAndFlush(message, withListener(channel, listener)); |
| } |
| |
| public static ChannelFuture writeAndFlush(ChannelHandlerContext context, Object message) |
| { |
| return context.writeAndFlush(message, new AsyncChannelPromise(context.channel())); |
| } |
| |
| public static ChannelFuture writeAndFlush(Channel channel, Object message) |
| { |
| return channel.writeAndFlush(message, new AsyncChannelPromise(channel)); |
| } |
| |
| public Channel channel() |
| { |
| return channel; |
| } |
| |
| public boolean isVoid() |
| { |
| return false; |
| } |
| |
| public ChannelPromise setSuccess() |
| { |
| return setSuccess(null); |
| } |
| |
| public AsyncChannelPromise setSuccess(Void v) |
| { |
| super.setSuccess(v); |
| return this; |
| } |
| |
| public boolean trySuccess() |
| { |
| return trySuccess(null); |
| } |
| |
| public AsyncChannelPromise setFailure(Throwable throwable) |
| { |
| super.setFailure(throwable); |
| return this; |
| } |
| |
| public AsyncChannelPromise sync() throws InterruptedException |
| { |
| super.sync(); |
| return this; |
| } |
| |
| public AsyncChannelPromise syncUninterruptibly() |
| { |
| super.syncUninterruptibly(); |
| return this; |
| } |
| |
| public AsyncChannelPromise await() throws InterruptedException |
| { |
| super.await(); |
| return this; |
| } |
| |
| public AsyncChannelPromise awaitUninterruptibly() |
| { |
| super.awaitUninterruptibly(); |
| return this; |
| } |
| |
| public AsyncChannelPromise addListener(GenericFutureListener<? extends Future<? super Void>> listener) |
| { |
| super.addListener(listener); |
| return this; |
| } |
| |
| public AsyncChannelPromise addListeners(GenericFutureListener<? extends Future<? super Void>>... listeners) |
| { |
| super.addListeners(listeners); |
| return this; |
| } |
| |
| public AsyncChannelPromise removeListener(GenericFutureListener<? extends Future<? super Void>> listener) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public AsyncChannelPromise removeListeners(GenericFutureListener<? extends Future<? super Void>>... listeners) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public ChannelPromise unvoid() |
| { |
| return this; |
| } |
| } |