Sean Condon | 0e89bda | 2017-03-21 14:23:19 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.incubator.net.l2monitoring.soam; |
| 17 | |
| 18 | import java.time.Duration; |
| 19 | import java.time.Instant; |
| 20 | |
| 21 | import com.google.common.base.MoreObjects; |
| 22 | |
| 23 | /** |
| 24 | * A utility class for specifying a Stop Time for Delay and Loss Measurements. |
| 25 | */ |
| 26 | public final class StopTime extends SoamTime { |
| 27 | |
| 28 | private StopTime(TimeOption option, Duration relativeStart, Instant absoluteStart) { |
| 29 | super(option, relativeStart, absoluteStart); |
| 30 | } |
| 31 | |
| 32 | public static final StopTime none() { |
| 33 | return new StopTime(StopTimeOption.NONE, null, null); |
| 34 | } |
| 35 | |
| 36 | public static final StopTime relative(Duration relativeStop) { |
| 37 | return new StopTime(StopTimeOption.RELATIVE, relativeStop, null); |
| 38 | } |
| 39 | |
| 40 | public static final StopTime absolute(Instant absoluteStop) { |
| 41 | return new StopTime(StopTimeOption.ABSOLUTE, null, absoluteStop); |
| 42 | } |
| 43 | |
| 44 | @Override |
| 45 | public String toString() { |
| 46 | if (option == StopTimeOption.NONE) { |
| 47 | return "none"; |
| 48 | } else if (option == StopTimeOption.ABSOLUTE) { |
| 49 | return MoreObjects.toStringHelper(getClass()).add("absolute", absoluteTime).toString(); |
| 50 | } else if (option == StopTimeOption.RELATIVE) { |
| 51 | return MoreObjects.toStringHelper(getClass()).add("relative", relativeTime).toString(); |
| 52 | } |
| 53 | return "unknown"; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Options for Stop Time. |
| 58 | */ |
| 59 | public enum StopTimeOption implements TimeOption { |
| 60 | NONE, |
| 61 | RELATIVE, |
| 62 | ABSOLUTE; |
| 63 | } |
| 64 | } |