/*
 * Copyright 2013-present Facebook, Inc.
 *
 * 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 com.facebook.buck.util.concurrent;

import java.util.concurrent.TimeUnit;

/**
 * Pairs a duration with a {@link TimeUnit}.
 * <p>
 * One might expect this to exist in Guava. There is an open issue for it:
 * http://code.google.com/p/guava-libraries/issues/detail?id=631.
 */
public class TimeSpan {

  private final long duration;
  private final TimeUnit unit;

  public TimeSpan(long duration, TimeUnit unit) {
    this.duration = duration;
    this.unit = unit;
  }

  public long getTimeSpanInMillis() {
    return TimeUnit.MILLISECONDS.convert(duration, unit);
  }

  public long getDuration() {
    return duration;
  }

  public TimeUnit getUnit() {
    return unit;
  }
}