/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.server.util;

import javax.annotation.Nullable;

import java.util.Date;

public class DateCollector {

  private long maxDate = 0L;

  public void add(@Nullable Date d) {
    if (d != null) {
      add(d.getTime());
    }
  }

  public void add(long date) {
    maxDate = Math.max(maxDate, date);
  }

  /**
   * The most recent collected date. Value is zero if no dates were collected.
   */
  public long getMax() {
    return maxDate;
  }
}