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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.Flux;
import reactor.core.publisher.Mono;

import java.time.Duration;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * Reactive interface for Redis based time-series collection.
 *
 * @author Nikita Koksharov
 *
 * @param  value type
 * @param  label type
 */
public interface RTimeSeriesReactive extends RExpirableReactive {

    /**
     * Returns iterator over collection elements
     *
     * @return iterator
     */
    Flux iterator();

    /**
     * Adds element to this time-series collection
     * by specified timestamp.
     *
     * @param timestamp object timestamp
     * @param object object itself
     * @return void
     */
    Mono add(long timestamp, V object);

    /**
     * Adds element with label to this time-series collection
     * by specified timestamp.
     *
     * @param timestamp object timestamp
     * @param object object itself
     * @param label object label
     * @return void
     */
    Mono add(long timestamp, V object, L label);

    /**
     * Adds all elements contained in the specified map to this time-series collection.
     * Map contains of timestamp mapped by object.
     *
     * @param objects - map of elements to add
     * @return void
     */
    Mono addAll(Map objects);

    /**
     * Adds all entries collection to this time-series collection.
     *
     * @param entries collection of time series entries
     * @return void
     */
    Mono addAll(Collection> entries);

    /**
     * Use {@link #add(long, Object, Duration)} instead
     *
     * @param timestamp - object timestamp
     * @param object - object itself
     * @param timeToLive - time to live interval
     * @param timeUnit - unit of time to live interval
     * @return void
     */
    @Deprecated
    Mono add(long timestamp, V object, long timeToLive, TimeUnit timeUnit);

    /**
     * Adds element to this time-series collection
     * by specified timestamp.
     *
     * @param timestamp object timestamp
     * @param object object itself
     * @param timeToLive time to live interval
     */
    Mono add(long timestamp, V object, Duration timeToLive);

    /**
     * Adds element with label to this time-series collection
     * by specified timestamp.
     *
     * @param timestamp object timestamp
     * @param object object itself
     * @param label object label
     * @param timeToLive time to live interval
     * @return void
     */
    Mono add(long timestamp, V object, L label, Duration timeToLive);

    /**
     * Use {@link #addAll(Map, Duration)} instead
     *
     * @param objects - map of elements to add
     * @param timeToLive - time to live interval
     * @param timeUnit - unit of time to live interval
     * @return void
     */
    @Deprecated
    Mono addAll(Map objects, long timeToLive, TimeUnit timeUnit);

    /**
     * Adds all elements contained in the specified map to this time-series collection.
     * Map contains of timestamp mapped by object.
     *
     * @param objects map of elements to add
     * @param timeToLive time to live interval
     */
    Mono addAll(Map objects, Duration timeToLive);

    /**
     * Adds all time series entries collection to this time-series collection.
     * Specified time to live interval applied to all entries defined in collection.
     *
     * @param entries collection of time series entries
     * @param timeToLive time to live interval
     * @return void
     */
    Mono addAll(Collection> entries, Duration timeToLive);

    /**
     * Returns size of this set.
     *
     * @return size
     */
    Mono size();

    /**
     * Returns object by specified timestamp or null if it doesn't exist.
     *
     * @param timestamp - object timestamp
     * @return object
     */
    Mono get(long timestamp);

    /**
     * Returns time series entry by specified timestamp or null if it doesn't exist.
     *
     * @param timestamp object timestamp
     * @return time series entry
     */
    Mono> getEntry(long timestamp);

    /**
     * Removes object by specified timestamp.
     *
     * @param timestamp - object timestamp
     * @return true if an element was removed as a result of this call
     */
    Mono remove(long timestamp);

    /**
     * Removes and returns object by specified timestamp.
     *
     * @param timestamp - object timestamp
     * @return object or null if it doesn't exist
     */
    Mono getAndRemove(long timestamp);

    /**
     * Removes and returns entry by specified timestamp.
     *
     * @param timestamp - object timestamp
     * @return entry or null if it doesn't exist
     */
    Mono> getAndRemoveEntry(long timestamp);

    /**
     * Removes and returns the head elements or {@code null} if this time-series collection is empty.
     *
     * @param count - elements amount
     * @return the head element,
     *         or {@code null} if this time-series collection is empty
     */
    Mono> pollFirst(int count);

    /**
     * Removes and returns head entries
     *
     * @param count - entries amount
     * @return collection of head entries
     */
    Mono>> pollFirstEntries(int count);

    /**
     * Removes and returns the tail elements or {@code null} if this time-series collection is empty.
     *
     * @param count - elements amount
     * @return the tail element or {@code null} if this time-series collection is empty
     */
    Mono> pollLast(int count);

    /**
     * Removes and returns tail entries
     *
     * @param count - entries amount
     * @return collection of tail entries
     */
    Mono>> pollLastEntries(int count);

    /**
     * Removes and returns the head element or {@code null} if this time-series collection is empty.
     *
     * @return the head element,
     *         or {@code null} if this time-series collection is empty
     */
    Mono pollFirst();

    /**
     * Removes and returns head entry or {@code null} if this time-series collection is empty.
     *
     * @return the head entry,
     *         or {@code null} if this time-series collection is empty
     */
    Mono> pollFirstEntry();

    /**
     * Removes and returns the tail element or {@code null} if this time-series collection is empty.
     *
     * @return the tail element or {@code null} if this time-series collection is empty
     */
    Mono pollLast();

    /**
     * Removes and returns the tail entry or {@code null} if this time-series collection is empty.
     *
     * @return the tail entry or {@code null} if this time-series collection is empty
     */
    Mono> pollLastEntry();

    /**
     * Returns the tail element or {@code null} if this time-series collection is empty.
     *
     * @return the tail element or {@code null} if this time-series collection is empty
     */
    Mono last();

    /**
     * Returns the tail entry or {@code null} if this time-series collection is empty.
     *
     * @return the tail entry or {@code null} if this time-series collection is empty
     */
    Mono> lastEntry();

    /**
     * Returns the head element or {@code null} if this time-series collection is empty.
     *
     * @return the head element or {@code null} if this time-series collection is empty
     */
    Mono first();

    /**
     * Returns the head entry or {@code null} if this time-series collection is empty.
     *
     * @return the head entry or {@code null} if this time-series collection is empty
     */
    Mono> firstEntry();

    /**
     * Returns timestamp of the head timestamp or {@code null} if this time-series collection is empty.
     *
     * @return timestamp or {@code null} if this time-series collection is empty
     */
    Mono firstTimestamp();

    /**
     * Returns timestamp of the tail element or {@code null} if this time-series collection is empty.
     *
     * @return timestamp or {@code null} if this time-series collection is empty
     */
    Mono lastTimestamp();

    /**
     * Returns the tail elements of this time-series collection.
     *
     * @param count - elements amount
     * @return the tail elements
     */
    Mono> last(int count);

    /**
     * Returns the tail entries of this time-series collection.
     *
     * @param count - entries amount
     * @return the tail entries
     */
    Mono>> lastEntries(int count);

    /**
     * Returns the head elements of this time-series collection.
     *
     * @param count - elements amount
     * @return the head elements
     */
    Mono> first(int count);

    /**
     * Returns the head entries of this time-series collection.
     *
     * @param count - entries amount
     * @return the head entries
     */
    Mono>> firstEntries(int count);

    /**
     * Removes values within timestamp range. Including boundary values.
     *
     * @param startTimestamp - start timestamp
     * @param endTimestamp - end timestamp
     * @return number of removed elements
     */
    Mono removeRange(long startTimestamp, long endTimestamp);

    /**
     * Returns ordered elements of this time-series collection within timestamp range. Including boundary values.
     *
     * @param startTimestamp - start timestamp
     * @param endTimestamp - end timestamp
     * @return elements collection
     */
    Mono> range(long startTimestamp, long endTimestamp);

    /**
     * Returns ordered elements of this time-series collection within timestamp range. Including boundary values.
     *
     * @param startTimestamp start timestamp
     * @param endTimestamp end timestamp
     * @param limit result size limit
     * @return elements collection
     */
    Mono> range(long startTimestamp, long endTimestamp, int limit);

    /**
     * Returns elements of this time-series collection in reverse order within timestamp range. Including boundary values.
     *
     * @param startTimestamp - start timestamp
     * @param endTimestamp - end timestamp
     * @return elements collection
     */
    Mono> rangeReversed(long startTimestamp, long endTimestamp);

    /**
     * Returns elements of this time-series collection in reverse order within timestamp range. Including boundary values.
     *
     * @param startTimestamp start timestamp
     * @param endTimestamp end timestamp
     * @param limit result size limit
     * @return elements collection
     */
    Mono> rangeReversed(long startTimestamp, long endTimestamp, int limit);

    /**
     * Returns ordered entries of this time-series collection within timestamp range. Including boundary values.
     *
     * @param startTimestamp - start timestamp
     * @param endTimestamp - end timestamp
     * @return elements collection
     */
    Mono>> entryRange(long startTimestamp, long endTimestamp);

    /**
     * Returns ordered entries of this time-series collection within timestamp range. Including boundary values.
     *
     * @param startTimestamp start timestamp
     * @param endTimestamp end timestamp
     * @param limit result size limit
     * @return elements collection
     */
    Mono>> entryRange(long startTimestamp, long endTimestamp, int limit);

    /**
     * Returns entries of this time-series collection in reverse order within timestamp range. Including boundary values.
     *
     * @param startTimestamp - start timestamp
     * @param endTimestamp - end timestamp
     * @return elements collection
     */
    Mono>> entryRangeReversed(long startTimestamp, long endTimestamp);

    /**
     * Returns entries of this time-series collection in reverse order within timestamp range. Including boundary values.
     *
     * @param startTimestamp start timestamp
     * @param endTimestamp end timestamp
     * @param limit result size limit
     * @return elements collection
     */
    Mono>> entryRangeReversed(long startTimestamp, long endTimestamp, int limit);

}