io.github.chains_project.cs.commons.Pair Maven / Gradle / Ivy

Go to download
package io.github.chains_project.cs.commons;

import java.util.Objects;

public class Pair {
    private final L left;
    private final R right;

    public Pair(L left, R right) {
        this.left = left;
        this.right = right;
    }

    public L getLeft() {
        return left;
    }

    public R getRight() {
        return right;
    }

    @Override
    public String toString() {
        return "(" + left + ", " + right + ")";
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Pair pair = (Pair) o;

        if (!Objects.equals(left, pair.left)) return false;
        return Objects.equals(right, pair.right);
    }

    @Override
    public int hashCode() {
        int result = left != null ? left.hashCode() : 0;
        result = 31 * result + (right != null ? right.hashCode() : 0);
        return result;
    }
}