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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains the examples which demonstrate how to use it in a normal Java application.

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package org.optaplanner.examples.common.util;

import java.util.Objects;

final class PairImpl implements Pair {

    private final A key;
    private final B value;

    public PairImpl(A key, B value) {
        this.key = key;
        this.value = value;
    }

    @Override
    public A getKey() {
        return key;
    }

    @Override
    public B getValue() {
        return value;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;
        PairImpl that = (PairImpl) o;
        return Objects.equals(key, that.key) && Objects.equals(value, that.value);
    }

    @Override
    public int hashCode() {
        return Objects.hash(key, value);
    }

    @Override
    public String toString() {
        return "(" + key + ", " + value + ")";
    }
}