| /** |
| * 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 org.apache.aurora.common.quantity; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Provides a unit to allow conversions and unambiguous passing around of time {@link Amount}s. |
| * |
| * @author John Sirois |
| */ |
| public enum Time implements Unit<Time> { |
| NANOSECONDS(1, TimeUnit.NANOSECONDS, "ns"), |
| MICROSECONDS(1000, NANOSECONDS, TimeUnit.MICROSECONDS, "us"), |
| MILLISECONDS(1000, MICROSECONDS, TimeUnit.MILLISECONDS, "ms"), |
| SECONDS(1000, MILLISECONDS, TimeUnit.SECONDS, "secs"), |
| MINUTES(60, SECONDS, TimeUnit.MINUTES, "mins"), |
| HOURS(60, MINUTES, TimeUnit.HOURS, "hrs"), |
| DAYS(24, HOURS, TimeUnit.DAYS, "days"); |
| |
| private final double multiplier; |
| private final TimeUnit timeUnit; |
| private final String display; |
| |
| private Time(double multiplier, TimeUnit timeUnit, String display) { |
| this.multiplier = multiplier; |
| this.timeUnit = timeUnit; |
| this.display = display; |
| } |
| |
| private Time(double multiplier, Time base, TimeUnit timeUnit, String display) { |
| this(multiplier * base.multiplier, timeUnit, display); |
| } |
| |
| @Override |
| public double multiplier() { |
| return multiplier; |
| } |
| |
| /** |
| * Returns the equivalent {@code TimeUnit}. |
| */ |
| public TimeUnit getTimeUnit() { |
| return timeUnit; |
| } |
| |
| @Override |
| public String toString() { |
| return display; |
| } |
| } |