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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

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/**
 * Copyright (c) 2013-2020 Nikita Koksharov
 *
 * Licensed 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.redisson.misc;

import org.redisson.api.RFuture;

/**
 * 
 * @author Nikita Koksharov
 *
 * @param  type
 */
public interface RPromise extends RFuture {

    /**
     * Marks this future as a success and notifies all
     * listeners.
     * 
     * @param result object
     * @return {@code true} if and only if successfully marked this future as
     *         a success. Otherwise {@code false} because this future is
     *         already marked as either a success or a failure.
     */
    boolean trySuccess(T result);

    /**
     * Marks this future as a failure and notifies all
     * listeners.
     * 
     * @param cause object
     * @return {@code true} if and only if successfully marked this future as
     *         a failure. Otherwise {@code false} because this future is
     *         already marked as either a success or a failure.
     */
    boolean tryFailure(Throwable cause);

    /**
     * Make this future impossible to cancel.
     *
     * @return {@code true} if and only if successfully marked this future as uncancellable or it is already done
     *         without being cancelled.  {@code false} if this future has been cancelled already.
     */
    boolean setUncancellable();

    @Override
    RPromise await() throws InterruptedException;

    @Override
    RPromise awaitUninterruptibly();

    @Override
    RPromise sync() throws InterruptedException;

    @Override
    RPromise syncUninterruptibly();

    boolean hasListeners();
    
}