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/*
 *  ******************************************************************************
 *  *
 *  *
 *  * This program and the accompanying materials are made available under the
 *  * terms of the Apache License, Version 2.0 which is available at
 *  * https://www.apache.org/licenses/LICENSE-2.0.
 *  *
 *  *  See the NOTICE file distributed with this work for additional
 *  *  information regarding copyright ownership.
 *  * 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.
 *  *
 *  * SPDX-License-Identifier: Apache-2.0
 *  *****************************************************************************
 */

package org.nd4j.common.primitives;

import lombok.*;

import java.io.Serializable;

@AllArgsConstructor
@Data
@Builder
public class ImmutablePair implements Serializable {
    private static final long serialVersionUID = 119L;

    protected ImmutablePair() {
        //
    }

    @Setter(AccessLevel.NONE) protected K key;
    @Setter(AccessLevel.NONE) protected V value;

    public K getLeft() {
        return key;
    }

    public V getRight() {
        return value;
    }

    public K getFirst() {
        return key;
    }

    public V getSecond() {
        return value;
    }


    public static  ImmutablePair of(T key, E value) {
        return new ImmutablePair(key, value);
    }

    public static  ImmutablePair makePair(T key, E value) {
        return new ImmutablePair(key, value);
    }

    public static  ImmutablePair create(T key, E value) {
        return new ImmutablePair(key, value);
    }

    public static  ImmutablePair pairOf(T key, E value) {
        return new ImmutablePair(key, value);
    }
}