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Redis based In-Memory Data Grid for Java
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/**
 * Copyright (c) 2013-2021 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 java.util.Collection;

import io.reactivex.rxjava3.core.Single;

/**
 * RxJava2 interface for sorted set contained values of String type.
 * 
 * @author Nikita Koksharov
 *
 */
public interface RLexSortedSetRx extends RScoredSortedSetRx, RCollectionRx {

    /**
     * Removes values range starting with fromElement and ending with toElement.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @return number of elements removed
     */
    Single removeRange(String fromElement, boolean fromInclusive, String toElement, boolean toInclusive);

    /**
     * Removes tail values range starting with fromElement.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @return number of elements removed
     */
    Single removeRangeTail(String fromElement, boolean fromInclusive);

    /**
     * Removes head values range ending with toElement.
     * 
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @return number of elements removed
     */
    Single removeRangeHead(String toElement, boolean toInclusive);

    /**
     * Returns the number of tail values starting with fromElement.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @return number of elements
     */
    Single countTail(String fromElement, boolean fromInclusive);

    /**
     * Returns the number of head values ending with toElement.
     * 
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @return number of elements
     */
    Single countHead(String toElement, boolean toInclusive);

    /**
     * Returns tail values range starting with fromElement.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @return collection of elements
     */
    Single> rangeTail(String fromElement, boolean fromInclusive);

    /**
     * Returns head values range ending with toElement.
     * 
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @return collection of elements
     */
    Single> rangeHead(String toElement, boolean toInclusive);

    /**
     * Returns values range starting with fromElement and ending with toElement.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @return collection of elements
     */
    Single> range(String fromElement, boolean fromInclusive, String toElement, boolean toInclusive);

    /**
     * Returns tail values range starting with fromElement. 
     * Returned collection limited by count and starts with offset.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @param offset - offset of result collection
     * @param count - amount of result collection
     * @return collection of elements
     */
    Single> rangeTail(String fromElement, boolean fromInclusive, int offset, int count);

    /**
     * Returns head values range ending with toElement.
     * Returned collection limited by count and starts with offset.
     * 
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @param offset - offset of result collection
     * @param count - amount of result collection
     * @return collection of elements
     */
    Single> rangeHead(String toElement, boolean toInclusive, int offset, int count);

    /**
     * Returns values range starting with fromElement and ending with toElement.
     * Returned collection limited by count and starts with offset.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @param offset - offset of result collection
     * @param count - amount of result collection
     * @return collection of elements
     */
    Single> range(String fromElement, boolean fromInclusive, String toElement, boolean toInclusive, int offset, int count);

    /**
     * Returns the number of elements between fromElement and toElement.
     * 
     * @param fromElement - start element
     * @param fromInclusive - start element inclusive
     * @param toElement - end element
     * @param toInclusive - end element inclusive
     * @return number of elements
     */
    Single count(String fromElement, boolean fromInclusive, String toElement, boolean toInclusive);

}