DelegatingChannelPromiseNotifier.java — netty Source File

Source Code

/*
 * Copyright 2017 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:
 *
 *   https://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.channel;

import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import io.netty.util.internal.PromiseNotificationUtil;
import io.netty.util.internal.UnstableApi;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import static io.netty.util.internal.ObjectUtil.checkNotNull;

@UnstableApi
public final class DelegatingChannelPromiseNotifier implements ChannelPromise, ChannelFutureListener {
    private static final InternalLogger logger =
            InternalLoggerFactory.getInstance(DelegatingChannelPromiseNotifier.class);
    private final ChannelPromise delegate;
    private final boolean logNotifyFailure;

    public DelegatingChannelPromiseNotifier(ChannelPromise delegate) {
        this(delegate, !(delegate instanceof VoidChannelPromise));
    }

    public DelegatingChannelPromiseNotifier(ChannelPromise delegate, boolean logNotifyFailure) {
        this.delegate = checkNotNull(delegate, "delegate");
        this.logNotifyFailure = logNotifyFailure;
    }

    @Override
    public void operationComplete(ChannelFuture future) throws Exception {
        InternalLogger internalLogger = logNotifyFailure ? logger : null;
        if (future.isSuccess()) {
            Void result = future.get();
            PromiseNotificationUtil.trySuccess(delegate, result, internalLogger);
        } else if (future.isCancelled()) {
            PromiseNotificationUtil.tryCancel(delegate, internalLogger);
        } else {
            Throwable cause = future.cause();
            PromiseNotificationUtil.tryFailure(delegate, cause, internalLogger);
        }
    }

// ... (167 more lines)