de.qaware.chronix.importer.csv.Pair.java Source code

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Here is the source code for de.qaware.chronix.importer.csv.Pair.java

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/*
 * Copyright (C) 2015 QAware GmbH
 *
 *    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 de.qaware.chronix.importer.csv;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;

/**
 * Created by f.lautenschlager on 05.05.2015.
 */

public final class Pair<T, R> {

    private final T first;
    private final R second;

    public static <T, R> Pair<T, R> of(T first, R second) {
        return new Pair<>(first, second);
    }

    private Pair(T first, R second) {
        this.first = first;
        this.second = second;
    }

    public T getFirst() {
        return first;
    }

    public R getSecond() {
        return second;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;

        if (o == null || getClass() != o.getClass())
            return false;

        Pair<?, ?> pair = (Pair<?, ?>) o;

        return new EqualsBuilder().append(first, pair.first).append(second, pair.second).isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder(17, 37).append(first).append(second).toHashCode();
    }

    @Override
    public String toString() {
        return "Pair{" + "first=" + first + ", second=" + second + '}';
    }
}