57 lines
1.8 KiB
Java
57 lines
1.8 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel;
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/**
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* ChannelFutureListener implementation which takes other {@link ChannelFuture}(s) and notifies them on completion.
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*/
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public final class ChannelPromiseNotifier implements ChannelFutureListener {
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private final ChannelPromise[] promises;
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/**
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* Create a new instance
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*
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* @param promises the {@link ChannelPromise}s to notify once this {@link ChannelFutureListener} is notified.
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*/
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public ChannelPromiseNotifier(ChannelPromise... promises) {
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if (promises == null) {
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throw new NullPointerException("promises");
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}
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for (ChannelPromise promise: promises) {
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if (promise == null) {
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throw new IllegalArgumentException("promises contains null ChannelPromise");
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}
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}
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this.promises = promises.clone();
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}
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@Override
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public void operationComplete(ChannelFuture cf) throws Exception {
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if (cf.isSuccess()) {
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for (ChannelPromise p: promises) {
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p.setSuccess();
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}
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return;
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}
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Throwable cause = cf.cause();
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for (ChannelPromise p: promises) {
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p.setFailure(cause);
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}
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}
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}
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