e8efcd82a8
Motivation: We can just use Objects.requireNonNull(...) as a replacement for ObjectUtil.checkNotNull(....) Modifications: - Use Objects.requireNonNull(...) Result: Less code to maintain.
70 lines
1.8 KiB
Java
70 lines
1.8 KiB
Java
/*
|
|
* Copyright 2012 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 io.netty.util.concurrent;
|
|
|
|
import static java.util.Objects.requireNonNull;
|
|
|
|
import io.netty.util.internal.PlatformDependent;
|
|
|
|
/**
|
|
* The {@link CompleteFuture} which is failed already. It is
|
|
* recommended to use {@link EventExecutor#newFailedFuture(Throwable)}
|
|
* instead of calling the constructor of this future.
|
|
*/
|
|
public final class FailedFuture<V> extends CompleteFuture<V> {
|
|
|
|
private final Throwable cause;
|
|
|
|
/**
|
|
* Creates a new instance.
|
|
*
|
|
* @param executor the {@link EventExecutor} associated with this future
|
|
* @param cause the cause of failure
|
|
*/
|
|
public FailedFuture(EventExecutor executor, Throwable cause) {
|
|
super(executor);
|
|
requireNonNull(cause, "cause");
|
|
this.cause = cause;
|
|
}
|
|
|
|
@Override
|
|
public Throwable cause() {
|
|
return cause;
|
|
}
|
|
|
|
@Override
|
|
public boolean isSuccess() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public Future<V> sync() {
|
|
PlatformDependent.throwException(cause);
|
|
return this;
|
|
}
|
|
|
|
@Override
|
|
public Future<V> syncUninterruptibly() {
|
|
PlatformDependent.throwException(cause);
|
|
return this;
|
|
}
|
|
|
|
@Override
|
|
public V getNow() {
|
|
return null;
|
|
}
|
|
}
|