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package org.nd4j.linalg.primitives;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;

/**
 * Simple pair implementation
 *
 * @author [email protected]
 */
@AllArgsConstructor
@Data
@NoArgsConstructor
@Builder
public class Pair implements Serializable {
    private static final long serialVersionUID = 119L;

    protected K key;
    protected V value;

    public K getLeft() {
        return key;
    }

    public V getRight() {
        return value;
    }

    public K getFirst() {
        return key;
    }

    public V getSecond() {
        return value;
    }

    public void setFirst(K first) {
        key = first;
    }

    public void setSecond(V second) {
        value = second;
    }

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

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

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

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