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/*
 * 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;

/**
 * Special {@link ProgressiveFuture} which is writable.
 */
public interface ProgressivePromise extends Promise, ProgressiveFuture {

    /**
     * Sets the current progress of the operation and notifies the listeners that implement
     * {@link GenericProgressiveFutureListener}.
     */
    ProgressivePromise setProgress(long progress, long total);

    /**
     * Tries to set the current progress of the operation and notifies the listeners that implement
     * {@link GenericProgressiveFutureListener}.  If the operation is already complete or the progress is out of range,
     * this method does nothing but returning {@code false}.
     */
    boolean tryProgress(long progress, long total);

    @Override
    ProgressivePromise setSuccess(V result);

    @Override
    ProgressivePromise setFailure(Throwable cause);

    @Override
    ProgressivePromise addListener(GenericFutureListener> listener);

    @Override
    ProgressivePromise addListeners(GenericFutureListener>... listeners);

    @Override
    ProgressivePromise removeListener(GenericFutureListener> listener);

    @Override
    ProgressivePromise removeListeners(GenericFutureListener>... listeners);

    @Override
    ProgressivePromise await() throws InterruptedException;

    @Override
    ProgressivePromise awaitUninterruptibly();

    @Override
    ProgressivePromise sync() throws InterruptedException;

    @Override
    ProgressivePromise syncUninterruptibly();
}