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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) 2013-2024 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.api;

import reactor.core.publisher.Mono;

import java.util.concurrent.TimeUnit;

/**
 * Reactive interface of Redis based implementation of {@link java.util.concurrent.TransferQueue}
 *
 * @author Nikita Koksharov
 * @param  the type of elements held in this collection
 */
public interface RTransferQueueReactive extends RBlockingQueueReactive {

    /**
     * Tries to transfer the element to waiting consumer
     * which invoked {@link #take} or {@link #poll} method
     * at the moment of transfer.
     *
     * @param e element to transfer
     * @return {@code true} if element was transferred, otherwise
     *         {@code false}
     */
    Mono tryTransfer(V e);

    /**
     * Transfers the element to waiting consumer
     * which invoked {@link #take} or {@link #poll} method
     * at the moment of transfer.
     * Waits if necessary for a consumer.
     *
     * @param e the element to transfer
     * @throws ClassCastException if the class of the specified element
     *         prevents it from being added to this queue
     * @throws NullPointerException if the specified element is null
     * @throws IllegalArgumentException if some property of the specified
     *         element prevents it from being added to this queue
     */
    Mono transfer(V e);

    /**
     * Transfers the element to waiting consumer
     * which invoked {@link #take} or {@link #poll} method
     * at the moment of transfer.
     * Waits up to defined timeout if necessary for a consumer.
     *
     * @param e the element to transfer
     * @param timeout the maximum time to wait
     * @param unit the time unit
     * @return true if the element was transferred and false
     *         otherwise
     */
    Mono tryTransfer(V e, long timeout, TimeUnit unit);

}