Java Code Examples for io.netty.channel.ChannelPromise#trySuccess()

private void fulfillConnectPromise(ChannelPromise promise, boolean wasActive) {
    if (promise == null) {
        // Closed via cancellation and the promise has been notified already.
        return;
    }

    // Get the state as trySuccess() may trigger an ChannelFutureListener that will close the Channel.
    // We still need to ensure we call fireChannelActive() in this case.
    boolean active = isActive();

    // trySuccess() will return false if a user cancelled the connection attempt.
    boolean promiseSet = promise.trySuccess();

    // Regardless if the connection attempt was cancelled, channelActive() event should be triggered,
    // because what happened is what happened.
    if (!wasActive && active) {
        pipeline().fireChannelActive();
    }

    // If a user cancelled the connection attempt, close the channel, which is followed by channelInactive().
    if (!promiseSet) {
        close(voidPromise());
    }
}
 

private void fulfillConnectPromise(ChannelPromise promise, boolean wasActive) {
    if (promise == null) {
        // Closed via cancellation and the promise has been notified already.
        return;
    }

    // trySuccess() will return false if a user cancelled the connection attempt.
    boolean promiseSet = promise.trySuccess();

    // Regardless if the connection attempt was cancelled, channelActive() event should be triggered,
    // because what happened is what happened.
    if (!wasActive && isActive()) {
        pipeline().fireChannelActive();
    }

    // If a user cancelled the connection attempt, close the channel, which is followed by channelInactive().
    if (!promiseSet) {
        close(voidPromise());
    }
}
 

private void fulfillConnectPromise(ChannelPromise promise, boolean wasActive) {
    if (promise == null) {
        // Closed via cancellation and the promise has been notified already.
        return;
    }
    active = true;

    // trySuccess() will return false if a user cancelled the connection attempt.
    boolean promiseSet = promise.trySuccess();

    // Regardless if the connection attempt was cancelled, channelActive() event should be triggered,
    // because what happened is what happened.
    if (!wasActive && isActive()) {
        pipeline().fireChannelActive();
    }

    // If a user cancelled the connection attempt, close the channel, which is followed by channelInactive().
    if (!promiseSet) {
        close(voidPromise());
    }
}
 

private void fulfillConnectPromise(ChannelPromise promise, boolean wasActive) {
            if (promise == null) {
                // Closed via cancellation and the promise has been notified already.关闭通过取消和承诺已经通知。
                return;
            }

            // Get the state as trySuccess() may trigger an ChannelFutureListener that will close the Channel.
            // We still need to ensure we call fireChannelActive() in this case.//获取trySuccess()的状态，可能触发一个ChannelFutureListener关闭该通道。
//在这种情况下，我们仍然需要确保调用fireChannelActive()。
//            通道状态
            boolean active = isActive();

            // trySuccess() will return false if a user cancelled the connection attempt.如果用户取消了连接尝试，trySuccess()将返回false。
            boolean promiseSet = promise.trySuccess();

            // Regardless if the connection attempt was cancelled, channelActive() event should be triggered,
            // because what happened is what happened.//不管连接尝试是否被取消，都会触发channelActive()事件，
//因为已经发生的就是已经发生的。
            if (!wasActive && active) {
//                管道触发渠道激活
                pipeline().fireChannelActive();
            }

            // If a user cancelled the connection attempt, close the channel, which is followed by channelInactive().如果用户取消了连接尝试，那么关闭通道，后面跟着channelInactive()。
            if (!promiseSet) {
                close(voidPromise());
            }
        }
 

@Override
public boolean trySuccess() {
  final boolean result = super.trySuccess();
  for (final ChannelPromise promise : promises) {
    promise.trySuccess();
  }
  return result;
}