70 lines
1.8 KiB
Java
70 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.util.concurrent;
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import io.netty.util.internal.PlatformDependent;
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/**
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* The {@link CompleteFuture} which is failed already. It is
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* recommended to use {@link EventExecutor#newFailedFuture(Throwable)}
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* instead of calling the constructor of this future.
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*/
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public final class FailedFuture<V> extends CompleteFuture<V> {
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private final Throwable cause;
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/**
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* Creates a new instance.
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*
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* @param executor the {@link EventExecutor} associated with this future
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* @param cause the cause of failure
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*/
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public FailedFuture(EventExecutor executor, Throwable cause) {
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super(executor);
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if (cause == null) {
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throw new NullPointerException("cause");
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}
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this.cause = cause;
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}
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@Override
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public Throwable cause() {
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return cause;
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}
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@Override
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public boolean isSuccess() {
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return false;
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}
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@Override
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public Future<V> sync() {
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PlatformDependent.throwException(cause);
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return this;
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}
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@Override
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public Future<V> syncUninterruptibly() {
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PlatformDependent.throwException(cause);
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return this;
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}
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@Override
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public V getNow() {
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return null;
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}
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}
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