/*
* Copyright 2011 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 org.jboss.netty.channel;
/**
* The {@link CompleteChannelFuture} which is failed already. It is
* recommended to use {@link Channels#failedFuture(Channel, Throwable)}
* instead of calling the constructor of this future.
*/
public class FailedChannelFuture extends CompleteChannelFuture {
private final Throwable cause;
/**
* Creates a new instance.
*
* @param channel the {@link Channel} associated with this future
* @param cause the cause of failure
*/
public FailedChannelFuture(Channel channel, Throwable cause) {
super(channel);
if (cause == null) {
throw new NullPointerException("cause");
}
this.cause = cause;
}
public Throwable getCause() {
return cause;
}
public boolean isSuccess() {
return false;
}
public ChannelFuture rethrowIfFailed() throws Exception {
if (cause instanceof Exception) {
throw (Exception) cause;
}
if (cause instanceof Error) {
throw (Error) cause;
}
throw new RuntimeException(cause);
}
}