Java tutorial
package com.romeikat.datamessie.core.statistics.task; /*- * ============================LICENSE_START============================ * data.messie (core) * ===================================================================== * Copyright (C) 2013 - 2017 Dr. Raphael Romeikat * ===================================================================== * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/gpl-3.0.html>. * =============================LICENSE_END============================= */ import java.time.LocalDate; import org.apache.commons.lang3.tuple.MutablePair; class SourceAndPublished extends MutablePair<Long, LocalDate> { private static final long serialVersionUID = 1L; public SourceAndPublished(final Long sourceId, final LocalDate published) { super(sourceId, published); } public Long getSourceId() { return getLeft(); } public LocalDate getPublished() { return getRight(); } }