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Java example source code file (DefaultProgressivePromise.java)
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The DefaultProgressivePromise.java Java example source code
/*
* Copyright 2013 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;
public class DefaultProgressivePromise<V> extends DefaultPromise implements ProgressivePromise {
/**
* Creates a new instance.
*
* It is preferable to use {@link EventExecutor#newProgressivePromise()} to create a new progressive promise
*
* @param executor
* the {@link EventExecutor} which is used to notify the promise when it progresses or it is complete
*/
public DefaultProgressivePromise(EventExecutor executor) {
super(executor);
}
protected DefaultProgressivePromise() { /* only for subclasses */ }
@Override
public ProgressivePromise<V> setProgress(long progress, long total) {
if (total < 0) {
// total unknown
total = -1; // normalize
if (progress < 0) {
throw new IllegalArgumentException("progress: " + progress + " (expected: >= 0)");
}
} else if (progress < 0 || progress > total) {
throw new IllegalArgumentException(
"progress: " + progress + " (expected: 0 <= progress <= total (" + total + "))");
}
if (isDone()) {
throw new IllegalStateException("complete already");
}
notifyProgressiveListeners(progress, total);
return this;
}
@Override
public boolean tryProgress(long progress, long total) {
if (total < 0) {
total = -1;
if (progress < 0 || isDone()) {
return false;
}
} else if (progress < 0 || progress > total || isDone()) {
return false;
}
notifyProgressiveListeners(progress, total);
return true;
}
@Override
public ProgressivePromise<V> addListener(GenericFutureListener> listener) {
super.addListener(listener);
return this;
}
@Override
public ProgressivePromise<V> addListeners(GenericFutureListener>... listeners) {
super.addListeners(listeners);
return this;
}
@Override
public ProgressivePromise<V> removeListener(GenericFutureListener> listener) {
super.removeListener(listener);
return this;
}
@Override
public ProgressivePromise<V> removeListeners(GenericFutureListener>... listeners) {
super.removeListeners(listeners);
return this;
}
@Override
public ProgressivePromise<V> sync() throws InterruptedException {
super.sync();
return this;
}
@Override
public ProgressivePromise<V> syncUninterruptibly() {
super.syncUninterruptibly();
return this;
}
@Override
public ProgressivePromise<V> await() throws InterruptedException {
super.await();
return this;
}
@Override
public ProgressivePromise<V> awaitUninterruptibly() {
super.awaitUninterruptibly();
return this;
}
@Override
public ProgressivePromise<V> setSuccess(V result) {
super.setSuccess(result);
return this;
}
@Override
public ProgressivePromise<V> setFailure(Throwable cause) {
super.setFailure(cause);
return this;
}
}
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